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数据库允许空值(null)，往往是悲剧的开始（1分钟系列）
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<p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">数据库字段允许空值，会遇到一些问题，此处包含的一些知识点，和大家聊一聊。</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">数据准备</span><span style="font-size: 15px;letter-spacing: 1px;">：</span></strong><span style="font-size: 15px;letter-spacing: 1px;"></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="letter-spacing: 1px;">create table user (</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">id int,</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">name varchar(20),</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;color: rgb(255, 76, 0);"><em><span style="font-size: 12px;letter-spacing: 1px;">index(id)</span></em></span><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;"></span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">)engine=innodb;</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;"> </span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">insert into user values(1,'shenjian');</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">insert into user values(2,'zhangsan');</span></em></span></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="font-size: 12px;letter-spacing: 1px;">insert into user values(3,'lisi');</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">说明</span><span style="font-size: 15px;letter-spacing: 1px;">：</span></strong></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"></span><span style="font-size: 15px;letter-spacing: 1px;">id为索引，非唯一</span><span style="letter-spacing: 1px;font-size: 12px;">(non unique)</span><span style="font-size: 15px;letter-spacing: 1px;">，允许空</span><span style="letter-spacing: 1px;font-size: 12px;">(null)</span><span style="font-size: 15px;letter-spacing: 1px;">。</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">知识点1（热身）：</span></strong><strong><span style="font-size: 15px;letter-spacing: 1px;">负向查询不能命中索引，会导致全表扫描。</span></strong></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.27589743589743587" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FSTkJ6ic5JrAtMl5F6z8bdyhkCW66KOEVsbUIzy34rmPrpLab7SNcCiag/640?wx_fmt=png" data-type="png" data-w="975" style="width: 677px !important; height: auto !important; visibility: visible !important;" _width="677px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FSTkJ6ic5JrAtMl5F6z8bdyhkCW66KOEVsbUIzy34rmPrpLab7SNcCiag/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="letter-spacing: 1px;">explain select * from user where id!=1;</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">索引字段id上的不等于查询，如上图所示：</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）type=ALL，全表扫描；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）rows=3，全表只有3行；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">知识点2（划重点）：</span></strong><strong><span style="font-size: 15px;letter-spacing: 1px;">允许空值，不等于</span></strong><span style="font-size: 12px;"><strong><span style="letter-spacing: 1px;">(!=)</span></strong></span><strong><span style="font-size: 15px;letter-spacing: 1px;">查询，可能导致不符合预期的结果。</span></strong></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.44715447154471544" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F5MnZ8er4kLuQNQqSsEz0gyKTRYh3op0zXDuBrxicvrrZBr07M19ysCA/640?wx_fmt=png" data-type="png" data-w="492" style="width: 492px !important; height: auto !important; visibility: visible !important;" _width="492px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F5MnZ8er4kLuQNQqSsEz0gyKTRYh3op0zXDuBrxicvrrZBr07M19ysCA/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="letter-spacing: 1px;">insert into user(name) values('wangwu');</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">先构造一条id为NULL的数据，可以看到</span><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">共有4条记录</span><span style="font-size: 15px;letter-spacing: 1px;">。</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">select * from user where </span></em><span style="color: rgb(255, 76, 0);"><em><span style="letter-spacing: 1px;font-size: 12px;">id!=1</span></em></span><em><span style="letter-spacing: 1px;font-size: 12px;">;</span></em></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">再次执行不等于查询。</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">你猜结果集有几条记录（共4条，不等于排除1条）？</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">答</span><span style="font-size: 15px;letter-spacing: 1px;">错了！</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">结果集只有2条记录</span><span style="font-size: 15px;letter-spacing: 1px;">，空值记录记录并未出现在结果集里。</span></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.5648854961832062" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F5ncufBpZytNicTl3Xia3htiastbjxtq0Pu4zACcRf9yATZNlKqSYo2ZNQ/640?wx_fmt=png" data-type="png" data-w="524" style="width: 524px !important; height: auto !important; visibility: visible !important;" _width="524px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F5ncufBpZytNicTl3Xia3htiastbjxtq0Pu4zACcRf9yATZNlKqSYo2ZNQ/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">select * from user where id!=1 or id is null;</span></em></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">如果想到得到符合预期的结果集，必须加上一个or条件。</span></p><p style="line-height: 1.75em;"><span style="color: rgb(0, 82, 255);"><em><span style="font-size: 15px;letter-spacing: 1px;">画外音：</span></em></span><span style="color: rgb(0, 82, 255);"><em><span style="color: rgb(0, 82, 255);font-size: 15px;letter-spacing: 1px;">恶心不恶心，这个大坑你踩过没有？</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">知识点3（附加）：</span></strong><strong><span style="font-size: 15px;letter-spacing: 1px;">某些or条件，又可能导致全表扫描，此时应该优化为union。</span></strong></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.2698924731182796" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FW7DATAFr9u0fTwye60SwNZ3v9FDw0iaJLM473w2mFDZ4kSZU4sHeMeA/640?wx_fmt=png" data-type="png" data-w="930" style="width: 677px !important; height: auto !important; visibility: visible !important;" _width="677px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FW7DATAFr9u0fTwye60SwNZ3v9FDw0iaJLM473w2mFDZ4kSZU4sHeMeA/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><span style="font-size: 12px;"><em><span style="letter-spacing: 1px;">explain select * from user where id=1;</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">索引字段</span><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">id上的等值查询</span><span style="font-size: 15px;letter-spacing: 1px;">，<strong>能</strong>命中索引，如上图所示：</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）type=ref，走非唯一索引；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）rows=1，预估扫描1行；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.23027522935779818" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FF1eY51npQ7f3YI1MIgadXuESicIlAtHWhib9UuHJRLicHndHrpbTN9Edg/640?wx_fmt=png" data-type="png" data-w="1090" style="width: 677px !important; height: auto !important; visibility: visible !important;" _width="677px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FF1eY51npQ7f3YI1MIgadXuESicIlAtHWhib9UuHJRLicHndHrpbTN9Edg/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">explain select * from user where id is null;</span></em></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">索引字段</span><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">id上的null查询</span><span style="font-size: 15px;letter-spacing: 1px;">，也<strong>能</strong>命中索引，如上图所示：</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）type=ref，走非唯一索引；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）rows=1，预估扫描1行；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.27401415571284127" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FmfHoicE2oC05zHLibtSUD61QkHYB25VeK9CRyKZBdn1sZ4jeorH5UaqA/640?wx_fmt=png" data-type="png" data-w="989" style="width: 677px !important; height: auto !important; visibility: visible !important;" _width="677px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5FmfHoicE2oC05zHLibtSUD61QkHYB25VeK9CRyKZBdn1sZ4jeorH5UaqA/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">explain select * from user where id=1 or id is null;</span></em></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">如果放到一个SQL语句里</span><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">用or查询</span><span style="font-size: 15px;letter-spacing: 1px;">，则会<strong>全表扫描</strong>，如上图所示：</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）type=ALL，全表扫描；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）rows=4，全表只有4行；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><img class="rich_pages " data-ratio="0.25366695427092323" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F7bKCPtmQv3THXl51CN7TcbXDFMmDvARfYAZRYatJ6iciagE7mx3EfXJw/640?wx_fmt=png" data-type="png" data-w="1159" style="width: 677px !important; height: auto !important; visibility: visible !important;" _width="677px" src="https://mmbiz.qpic.cn/mmbiz_png/YrezxckhYOw70icmDQkm3CkvFHfuNGq5F7bKCPtmQv3THXl51CN7TcbXDFMmDvARfYAZRYatJ6iciagE7mx3EfXJw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" crossorigin="anonymous" data-fail="0"></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">explain select * from user where id=1 </span></em></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">union</span></em></p><p style="line-height: normal;"><em><span style="letter-spacing: 1px;font-size: 12px;">select * from user where id is null;</span></em></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">此时应该</span><span style="font-size: 15px;letter-spacing: 1px;color: rgb(255, 76, 0);">优化为union查询</span><span style="font-size: 15px;letter-spacing: 1px;">，又能够<strong>命中索引</strong>了，如上图所示：</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）type=ref，走非唯一索引；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）rows=1，预估扫描1行；</span></p><p style="line-height: 1.75em;"><span style="color: rgb(0, 82, 255);"><em><span style="font-size: 15px;letter-spacing: 1px;">画外音：</span></em></span><span style="color: rgb(0, 82, 255);"><em><span style="color: rgb(0, 82, 255);font-size: 15px;letter-spacing: 1px;">第三行临时表的ALL，是两次结果集的合并。</span></em></span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><strong><span style="font-size: 15px;letter-spacing: 1px;">总结</span></strong></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（1）<strong>负向比较</strong>（例如：</span><span style="font-size: 15px;letter-spacing: 1px;">!=）会引发<strong>全表扫描</strong>；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（2）如果允许空值，</span><strong><span style="font-size: 15px;letter-spacing: 1px;">不等于(!=)的查询，不会将空值行</span><span style="letter-spacing: 1px;font-size: 12px;">(row)</span><span style="font-size: 15px;letter-spacing: 1px;">包含进来</span></strong><span style="font-size: 15px;letter-spacing: 1px;">，此时的结果集往往是不符合预期的，此时往往要加上一个or条件，把空值</span><span style="letter-spacing: 1px;font-size: 12px;">(is null)</span><span style="font-size: 15px;letter-spacing: 1px;">结果包含进来；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（3）or可能会导致全表扫描，此时可以优化为union查询；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（4）建表时加上</span><strong><span style="font-size: 15px;letter-spacing: 1px;">默认</span><span style="letter-spacing: 1px;font-size: 12px;">(default)</span><span style="font-size: 15px;letter-spacing: 1px;">值</span></strong><span style="font-size: 15px;letter-spacing: 1px;">，这样能避免空值的坑；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;">（5）<strong>explain</strong>工具是一个好东西；</span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 1px;"> </span></p><p style="line-height: 1.75em;"><span style="font-size: 15px;letter-spacing: 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w = parseFloat(style.paddingLeft) + parseFloat(style.paddingRight) + parseFloat(style.borderLeftWidth) + parseFloat(style.borderRightWidth);
}
return w;
};
var getOuterH =function(dom){
var style=getComputedStyle(dom),
h=0;
if(!!style){
h = parseFloat(style.paddingTop) + parseFloat(style.paddingBottom) + parseFloat(style.borderTopWidth) + parseFloat(style.borderBottomWidth);
}
return h;
};
var insertAfter = function(dom,afterDom){
var _p = afterDom.parentNode;
if(!_p){
return;
}
if(_p.lastChild === afterDom){
_p.appendChild(dom);
}else{
_p.insertBefore(dom,afterDom.nextSibling);
}
};
var getQuery = function(name,url){
var u = arguments[1] || window.location.search,
reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"),
r = u.substr(u.indexOf("\?")+1).match(reg);
return r!=null?r[2]:"";
};
function setImgSize(item, widthNum, widthUnit, ratio, breakParentWidth) {
setTimeout(function () {
var img_padding_border = getOuterW(item) || 0;
var img_padding_border_top_bottom = getOuterH(item) || 0;
if (widthNum > getParentWidth(item) && !breakParentWidth) {
widthNum = getParentWidth(item);
}
height = (widthNum - img_padding_border) * ratio + img_padding_border_top_bottom;
if (isIE) {
var url = item.getAttribute('data-src');
item.src = url;
} else {
if(parseFloat(widthNum, 10) > 40 && height > 40 && breakParentWidth) {
item.className += ' img_loading';
}
item.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==";
}
item.style.cssText += ";width: " + widthNum + widthUnit + " !important;";
item.style.cssText += ";height: " + height + widthUnit + " !important;";
}, 10);
}
(function(){
var images = document.getElementsByTagName('img');
var length = images.length;
var max_width = getMaxWith();
for (var i = 0; i < length; ++i) {
if (window.__second_open__ && images[i].getAttribute('__sec_open_place_holder__')) {
continue;
}
var imageItem = images[i];
var src_ = imageItem.getAttribute('data-src');
var realSrc = imageItem.getAttribute('src');
if (!src_ || realSrc) continue;
var originWidth = imageItem.getAttribute('data-w');
var ratio_ = 1 * imageItem.getAttribute('data-ratio');
var height = 100;
if (ratio_ && ratio_ > 0) {
var parent_width = getParentWidth(imageItem) || max_width;
var initWidth = imageItem.style.width || imageItem.getAttribute('width') || originWidth || parent_width;
initWidth = parseFloat(initWidth, 10) > max_width ? max_width : initWidth;
if (initWidth) {
imageItem.setAttribute('_width', !isNaN(initWidth * 1) ? initWidth + 'px' : initWidth);
}
if (typeof initWidth === 'string' && initWidth.indexOf('%') !== -1) {
initWidth = parseFloat(initWidth.replace('%', ''), 10) / 100 * parent_width;
}
if (initWidth === 'auto') {
initWidth = originWidth;
}
var res = /^(\d+(?:\.\d+)?)([a-zA-Z%]+)?$/.exec(initWidth);
var widthNum = res && res.length >= 2 ? res[1] : 0;
var widthUnit = res && res.length >= 3 && res[2] ? res[2] : 'px';
setImgSize(imageItem, widthNum, widthUnit, ratio_, true);
(function (item, widthNumber, unit, ratio) {
setTimeout(function () {
setImgSize(item, widthNumber, unit, ratio, false);
});
})(imageItem, widthNum, widthUnit, ratio_);
} else {
imageItem.style.cssText += ";visibility: hidden !important;";
}
}
})();
window.__videoDefaultRatio=16/9;
window.__getVideoWh = function(dom){
var max_width = getMaxWith(),
width = max_width,
ratio_ = dom.getAttribute('data-ratio')*1,
arr = [4/3, 16/9],
ret = arr[0],
abs = Math.abs(ret - ratio_);
if (!ratio_) {
if (dom.getAttribute("data-mpvid")) {
ratio_ = 16/9;
} else {
ratio_ = 4/3;
}
} else {
for (var j = 1, jl = arr.length; j < jl; j++) {
var _abs = Math.abs(arr[j] - ratio_);
if (_abs < abs) {
abs = _abs;
ret = arr[j];
}
}
ratio_ = ret;
}
var parent_width = getParentWidth(dom)||max_width,
width = width > parent_width ? parent_width : width,
outerW = getOuterW(dom)||0,
outerH = getOuterH(dom)||0,
videoW = width - outerW,
videoH = videoW/ratio_,
height = videoH + outerH;
return {w:Math.ceil(width),h:Math.ceil(height),vh:videoH,vw:videoW,ratio:ratio_};
};
(function(){
var iframe = document.getElementsByTagName('iframe');
for (var i=0,il=iframe.length;i<il;i++) {
if (window.__second_open__ && iframe[i].getAttribute('__sec_open_place_holder__')) {
continue;
}
var a = iframe[i];
var src_ = a.getAttribute('src')||a.getAttribute('data-src')||"";
if(!/^http(s)*\:\/\/v\.qq\.com\/iframe\/(preview|player)\.html\?/.test(src_)
&& !/^http(s)*\:\/\/mp\.weixin\.qq\.com\/mp\/readtemplate\?t=pages\/video_player_tmpl/.test(src_)
){
continue;
}
var vid = getQuery("vid",src_);
if(!vid){
continue;
}
vid=vid.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"");
a.removeAttribute('src');
a.style.display = "none";
var obj = window.__getVideoWh(a),
videoPlaceHolderSpan = document.createElement('span'),
videoPlayerIconSpan = document.createElement('span'),
mydiv = document.createElement('img');
videoPlaceHolderSpan.className = "js_img_loading db";
videoPlaceHolderSpan.setAttribute("data-vid", vid);
videoPlayerIconSpan.className = 'wx_video_context db';
videoPlayerIconSpan.style.display = 'none';
videoPlayerIconSpan.innerHTML = '<span class="wx_video_thumb_primary"></span><button class="wx_video_play_btn">播放</button><span class="wx_video_mask"></span>';
mydiv.className = "img_loading";
mydiv.src="data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==";
videoPlaceHolderSpan.style.cssText = "width: " + obj.w + "px !important;";
mydiv.style.cssText += ";width: " + obj.w + "px";
videoPlaceHolderSpan.appendChild(videoPlayerIconSpan);
videoPlaceHolderSpan.appendChild(mydiv);
insertAfter(videoPlaceHolderSpan, a);
a.style.cssText += ";width: " + obj.w + "px !important;";
a.setAttribute("width",obj.w);
if(window.__zoom!=1){
a.style.display = "block";
videoPlaceHolderSpan.style.display = "none";
a.setAttribute("_ratio",obj.ratio);
a.setAttribute("_vid",vid);
}else{
videoPlaceHolderSpan.style.cssText += "height: " + obj.h + "px !important;";
mydiv.style.cssText += "height: " + obj.h + "px !important;";
a.style.cssText += "height: " + obj.h + "px !important;";
a.setAttribute("height",obj.h);
}
a.setAttribute("data-vh",obj.vh);
a.setAttribute("data-vw",obj.vw);
if(a.getAttribute("data-mpvid")){
a.setAttribute("data-src",location.protocol+"//mp.weixin.qq.com/mp/readtemplate?t=pages/video_player_tmpl&auto=0&vid="+vid);
}else{
a.setAttribute("data-src",location.protocol+"//v.qq.com/iframe/player.html?vid="+ vid + "&width="+obj.vw+"&height="+obj.vh+"&auto=0");
}
}
})();
(function(){
if(window.__zoom!=1){
if (!window.__second_open__) {
document.getElementById('page-content').style.zoom = window.__zoom;
var a = document.getElementById('activity-name');
var b = document.getElementById('meta_content');
if(!!a){
a.style.zoom = 1/window.__zoom;
}
if(!!b){
b.style.zoom = 1/window.__zoom;
}
}
var images = document.getElementsByTagName('img');
for (var i = 0,il=images.length;i<il;i++) {
if (window.__second_open__ && images[i].getAttribute('__sec_open_place_holder__')) {
continue;
}
images[i].style.zoom = 1/window.__zoom;
}
var iframe = document.getElementsByTagName('iframe');
for (var i = 0,il=iframe.length;i<il;i++) {
if (window.__second_open__ && iframe[i].getAttribute('__sec_open_place_holder__')) {
continue;
}
var a = iframe[i];
a.style.zoom = 1/window.__zoom;
var src_ = a.getAttribute('data-src')||"";
if(!/^http(s)*\:\/\/v\.qq\.com\/iframe\/(preview|player)\.html\?/.test(src_)
&& !/^http(s)*\:\/\/mp\.weixin\.qq\.com\/mp\/readtemplate\?t=pages\/video_player_tmpl/.test(src_)
){
continue;
}
var ratio = a.getAttribute("_ratio");
var vid = a.getAttribute("_vid");
a.removeAttribute("_ratio");
a.removeAttribute("_vid");
var vw = a.offsetWidth - (getOuterW(a)||0);
var vh = vw/ratio;
var h = vh + (getOuterH(a)||0)
a.style.cssText += "height: " + h + "px !important;"
a.setAttribute("height",h);
if (/^http(s)*\:\/\/v\.qq\.com\/iframe\/(preview|player)\.html\?/.test(src_)) {
a.setAttribute("data-src", location.protocol + "//v.qq.com/iframe/player.html?vid=" + vid + "&width=" + vw + "&height=" + vh + "&auto=0");
}
a.style.display = "none";
var parent = a.parentNode;
if(!parent){
continue;
}
for(var j=0,jl=parent.children.length;j<jl;j++){
var child = parent.children[j];
if(child.className.indexOf("img_loading")>=0 && child.getAttribute("data-vid")==vid){
child.style.cssText += "height: " + h + "px !important;";
child.style.display = "";
}
}
}
}
})();})();
var whiteList = 'rich_pages,blockquote_info,blockquote_biz,blockquote_other,blockquote_article,js_jump_icon,h5_image_link,js_banner_container,js_list_container,js_cover,js_tx_video_container,js_product_err_container,js_product_loop_content,js_product_container,img_loading,list-paddingleft-1,list-paddingleft-2,list-paddingleft-3,selectTdClass,noBorderTable,ue-table-interlace-color-single,ue-table-interlace-color-double,__bg_gif,weapp_text_link,weapp_image_link,js_img_loading,wx_video_context,db,wx_video_thumb_primary,wx_video_play_btn,wx_video_mask,qqmusic_area,tc,tips_global,unsupport_tips,qqmusic_wrp,appmsg_card_context,appmsg_card_active,qqmusic_bd,play_area,icon_qqmusic_switch,pic_qqmusic_default,qqmusic_thumb,access_area,qqmusic_songname,qqmusic_singername,qqmusic_source,js_audio_frame,share_audio_context,flex_context,pages_reset,share_audio_switch,icon_share_audio_switch,share_audio_info,flex_bd,share_audio_title,share_audio_tips,share_audio_progress_wrp,share_audio_progress,share_audio_progress_inner,share_audio_progress_buffer,share_audio_progress_loading,share_audio_progress_loading_inner,share_audio_progress_handle,share_audio_desc,share_audio_length_current,share_audio_length_total,video_iframe,vote_iframe,js_editor_vote_card,res_iframe,card_iframe,js_editor_card,weapp_display_element,js_weapp_display_element,weapp_card,app_context,weapp_card_bd,weapp_card_profile,radius_avatar,weapp_card_avatar,weapp_card_nickname,weapp_card_info,weapp_card_title,weapp_card_thumb_wrp,weapp_card_ft,weapp_card_logo,js_pay_btn,pay,pay__mask,wx_video_loading,js_redpacketcover,js_uneditable,js_uneditablemouseover,js_editor_qqmusic,js_editor_audio'.split(',');
var qaClassPrefix = 'qa__';
var dmClassPrefix = 'js_darkmode__';
var whiteListReg = [
new RegExp("^weui"),
new RegExp("^appmsg"),
new RegExp("^audio"),
new RegExp("^music"),
new RegExp("^cps_inner"),
new RegExp("^bizsvr_"),
new RegExp("^code-snippet"),
new RegExp("^" + qaClassPrefix),
new RegExp("^wx-edui-"),
new RegExp('^' + dmClassPrefix),
];case"hwb":
t=l.get.hwb(r),e="hwb";
break;
default:
t=l.get.rgb(r),e="rgb";
}
return t?{
model:e,
value:t
}:null;
},l.get.rgb=function(r){
if(!r)return null;
var e,a,o,i=/^#([a-f0-9]{3,4})$/i,l=/^#([a-f0-9]{6})([a-f0-9]{2})?$/i,s=/^rgba?(s([+-]?d+)s,s([+-]?d+)s,s([+-]?d+)s(?:,s([+-]?[d.]+)s)?)$/,u=/^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/,c=/(D+)/,h=[0,0,0,1];
if(e=r.match(l)){
for(o=e[2],e=e[1],a=0;3>a;a++){
var f=2*a;
h[a]=parseInt(e.slice(f,f+2),16);
}
o&&(h[3]=Math.round(parseInt(o,16)/255*100)/100);
}else if(e=r.match(i)){
for(e=e[1],o=e[3],a=0;3>a;a++)h[a]=parseInt(e[a]+e[a],16);
o&&(h[3]=Math.round(parseInt(o+o,16)/255*100)/100);
}else if(e=r.match(s)){
for(a=0;3>a;a++)h[a]=parseInt(e[a+1],0);
e[4]&&(h[3]=parseFloat(e[4]));
}else{
if(!(e=r.match(u)))return(e=r.match(c))?"transparent"===e[1]?[0,0,0,0]:(h=n[e[1]])?(h[3]=1,
h):null:null;
for(a=0;3>a;a++)h[a]=Math.round(2.55*parseFloat(e[a+1]));
e[4]&&(h[3]=parseFloat(e[4]));
}
for(a=0;3>a;a++)h[a]=t(h[a],0,255);
return h[3]=t(h[3],0,1),h;
},l.get.hsl=function(r){
if(!r)return null;
var e=/^hsla?(s([+-]?(?:d.)?d+)(?:deg)?s,s([+-]?[d.]+)%s,s([+-]?[d.]+)%s(?:,s([+-]?[d.]+)s*)?)$/,n=r.match(e);
if(n){
var a=parseFloat(n[4]),o=(parseFloat(n[1])+360)%360,i=t(parseFloat(n[2]),0,100),l=t(parseFloat(n[3]),0,100),s=t(isNaN(a)?1:a,0,1);
return[o,i,l,s];
}
return null;
},l.get.hwb=function(r){
if(!r)return null;
var e=/^hwb(s([+-]?d[.]?d+)(?:deg)?s,s([+-]?[d.]+)%s,s([+-]?[d.]+)%s(?:,s([+-]?[d.]+)s*)?)$/,n=r.match(e);
if(n){
var a=parseFloat(n[4]),o=(parseFloat(n[1])%360+360)%360,i=t(parseFloat(n[2]),0,100),l=t(parseFloat(n[3]),0,100),s=t(isNaN(a)?1:a,0,1);
return[o,i,l,s];
}
return null;
},l.to.hex=function(){
var r=a(arguments);
return"#"+e(r[0])+e(r[1])+e(r[2])+(r[3]<1?e(Math.round(255*r[3])):"");
},l.to.rgb=function(){
var r=a(arguments);
return r.length<4||1===r[3]?"rgb("+Math.round(r[0])+", "+Math.round(r[1])+", "+Math.round(r[2])+")":"rgba("+Math.round(r[0])+", "+Math.round(r[1])+", "+Math.round(r[2])+", "+r[3]+")";
},l.to.rgb.percent=function(){
var r=a(arguments),t=Math.round(r[0]/255100),e=Math.round(r[1]/255100),n=Math.round(r[2]/255*100);
return r.length<4||1===r[3]?"rgb("+t+"%, "+e+"%, "+n+"%)":"rgba("+t+"%, "+e+"%, "+n+"%, "+r[3]+")";
},l.to.hsl=function(){
var r=a(arguments);
return r.length<4||1===r[3]?"hsl("+r[0]+", "+r[1]+"%, "+r[2]+"%)":"hsla("+r[0]+", "+r[1]+"%, "+r[2]+"%, "+r[3]+")";
},l.to.hwb=function(){
var r=a(arguments),t="";
return r.length>=4&&1!==r[3]&&(t=", "+r[3]),"hwb("+r[0]+", "+r[1]+"%, "+r[2]+"%"+t+")";
},l.to.keyword=function(r){
return o[r.slice(0,3)];
},l;
}(),u=function(){
function t(r){
var t=function(t){
return void 0===t||null===t?t:(arguments.length>1&&(t=Array.prototype.slice.call(arguments)),
r(t));
};
return"conversion"in r&&(t.conversion=r.conversion),t;
}
function e(r){
var t=function(t){
if(void 0===t||null===t)return t;
arguments.length>1&&(t=Array.prototype.slice.call(arguments));
var e=r(t);
if("object"===("undefined"==typeof e?"undefined":_typeof(e)))for(var n=e.length,a=0;n>a;a++)e[a]=Math.round(e[a]);
return e;
};
return"conversion"in r&&(t.conversion=r.conversion),t;
}
var n=function(){
function t(r,t){
return Math.pow(r[0]-t[0],2)+Math.pow(r[1]-t[1],2)+Math.pow(r[2]-t[2],2);
}
var e=r,n={};
for(var a in e)e.hasOwnProperty(a)&&(n[e[a]]=a);
var o={
rgb:{
channels:3,
labels:"rgb"
},
hsl:{
channels:3,
labels:"hsl"
},
hsv:{
channels:3,
labels:"hsv"
},
hwb:{
channels:3,
labels:"hwb"
},
cmyk:{
channels:4,
labels:"cmyk"
},
xyz:{
channels:3,
labels:"xyz"
},
lab:{
channels:3,
labels:"lab"
},
lch:{
channels:3,
labels:"lch"
},
hex:{
channels:1,
labels:["hex"]
},
keyword:{
channels:1,
labels:["keyword"]
},
ansi16:{
channels:1,
labels:["ansi16"]
},
ansi256:{
channels:1,
labels:["ansi256"]
},
hcg:{
channels:3,
labels:["h","c","g"]
},
apple:{
channels:3,
labels:["r16","g16","b16"]
},
gray:{
channels:1,
labels:["gray"]
}
};
for(var i in o)if(o.hasOwnProperty(i)){
if(!("channels"in o[i]))throw new Error("missing channels property: "+i);
if(!("labels"in o[i]))throw new Error("missing channel labels property: "+i);
if(o[i].labels.length!==o[i].channels)throw new Error("channel and label counts mismatch: "+i);
var l=o[i].channels,s=o[i].labels;
delete o[i].channels,delete o[i].labels,Object.defineProperty(o[i],"channels",{
value:l
}),Object.defineProperty(o[i],"labels",{
value:s
});
}
return o.rgb.hsl=function(r){
var t,e,n,a=r[0]/255,o=r[1]/255,i=r[2]/255,l=Math.min(a,o,i),s=Math.max(a,o,i),u=s-l;
return s===l?t=0:a===s?t=(o-i)/u:o===s?t=2+(i-a)/u:i===s&&(t=4+(a-o)/u),t=Math.min(60*t,360),
0>t&&(t+=360),n=(l+s)/2,e=s===l?0:.5>=n?u/(s+l):u/(2-s-l),[t,100e,100n];
},o.rgb.hsv=function(r){
var t,e,n,a,o,i=r[0]/255,l=r[1]/255,s=r[2]/255,u=Math.max(i,l,s),c=u-Math.min(i,l,s),h=function(r){
return(u-r)/6/c+.5;
};
return 0===c?a=o=0:(o=c/u,t=h(i),e=h(l),n=h(s),i===u?a=n-e:l===u?a=1/3+t-n:s===u&&(a=2/3+e-t),
0>a?a+=1:a>1&&(a-=1)),[360a,100o,100*u];
},o.rgb.hwb=function(r){
var t=r[0],e=r[1],n=r[2],a=o.rgb.hsl(r)[0],i=1/255*Math.min(t,Math.min(e,n));
return n=1-1/255Math.max(t,Math.max(e,n)),[a,100i,100*n];
},o.rgb.cmyk=function(r){
var t,e,n,a,o=r[0]/255,i=r[1]/255,l=r[2]/255;
return a=Math.min(1-o,1-i,1-l),t=(1-o-a)/(1-a)||0,e=(1-i-a)/(1-a)||0,n=(1-l-a)/(1-a)||0,
[100t,100e,100n,100a];
},o.rgb.keyword=function(r){
var a=n[r];
if(a)return a;
var o,i=1/0;
for(var l in e)if(e.hasOwnProperty(l)){
var s=e[l],u=t(r,s);
i>u&&(i=u,o=l);
}
return o;
},o.keyword.rgb=function(r){
return e[r];
},o.rgb.xyz=function(r){
var t=r[0]/255,e=r[1]/255,n=r[2]/255;
t=t>.04045?Math.pow((t+.055)/1.055,2.4):t/12.92,e=e>.04045?Math.pow((e+.055)/1.055,2.4):e/12.92,
n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92;
var a=.4124t+.3576e+.1805n,o=.2126t+.7152e+.0722n,i=.0193t+.1192e+.9505*n;
return[100a,100o,100*i];
},o.rgb.lab=function(r){
var t,e,n,a=o.rgb.xyz(r),i=a[0],l=a[1],s=a[2];
return i/=95.047,l/=100,s/=108.883,i=i>.008856?Math.pow(i,1/3):7.787i+16/116,l=l>.008856?Math.pow(l,1/3):7.787l+16/116,
s=s>.008856?Math.pow(s,1/3):7.787s+16/116,t=116l-16,e=500(i-l),n=200(l-s),[t,e,n];
},o.hsl.rgb=function(r){
var t,e,n,a,o,i=r[0]/360,l=r[1]/100,s=r[2]/100;
if(0===l)return o=255*s,[o,o,o];
e=.5>s?s(1+l):s+l-sl,t=2*s-e,a=[0,0,0];
for(var u=0;3>u;u++)n=i+1/3-(u-1),0>n&&n++,n>1&&n--,o=1>6n?t+6(e-t)n:1>2n?e:2>3n?t+(e-t)(2/3-n)6:t,
a[u]=255*o;
return a;
},o.hsl.hsv=function(r){
var t,e,n=r[0],a=r[1]/100,o=r[2]/100,i=a,l=Math.max(o,.01);
return o=2,a=1>=o?o:2-o,i=1>=l?l:2-l,e=(o+a)/2,t=0===o?2i/(l+i):2a/(o+a),[n,100t,100*e];
},o.hsv.rgb=function(r){
var t=r[0]/60,e=r[1]/100,n=r[2]/100,a=Math.floor(t)%6,o=t-Math.floor(t),i=255n(1-e),l=255n(1-eo),s=255n(1-e(1-o));
switch(n*=255,a){
case 0:
return[n,s,i];
case 1:
return[l,n,i];
case 2:
return[i,n,s];
case 3:
return[i,l,n];
case 4:
return[s,i,n];
case 5:
return[n,i,l];
}
},o.hsv.hsl=function(r){
var t,e,n,a=r[0],o=r[1]/100,i=r[2]/100,l=Math.max(i,.01);
return n=(2-o)i,t=(2-o)l,e=ol,e/=1>=t?t:2-t,e=e||0,n/=2,[a,100e,100*n];
},o.hwb.rgb=function(r){
var t,e,n,a,o=r[0]/360,i=r[1]/100,l=r[2]/100,s=i+l;
s>1&&(i/=s,l/=s),t=Math.floor(6o),e=1-l,n=6o-t,0!==(1&t)&&(n=1-n),a=i+n*(e-i);
var u,c,h;
switch(t){
default:
case 6:
case 0:
u=e,c=a,h=i;
break;
case 1:
u=a,c=e,h=i;
break;
case 2:
u=i,c=e,h=a;
break;
case 3:
u=i,c=a,h=e;
break;
case 4:
u=a,c=i,h=e;
break;
case 5:
u=e,c=i,h=a;
}
return[255u,255c,255*h];
},o.cmyk.rgb=function(r){
var t,e,n,a=r[0]/100,o=r[1]/100,i=r[2]/100,l=r[3]/100;
return t=1-Math.min(1,a(1-l)+l),e=1-Math.min(1,o(1-l)+l),n=1-Math.min(1,i*(1-l)+l),
[255t,255e,255*n];
},o.xyz.rgb=function(r){
var t,e,n,a=r[0]/100,o=r[1]/100,i=r[2]/100;
return t=3.2406a+-1.5372o+i-.4986,e=a-.9689+1.8758o+.0415i,n=.0557a+o-.204+1.057*i,
t=t>.0031308?1.055Math.pow(t,1/2.4)-.055:12.92t,e=e>.0031308?1.055Math.pow(e,1/2.4)-.055:12.92e,
n=n>.0031308?1.055Math.pow(n,1/2.4)-.055:12.92n,t=Math.min(Math.max(0,t),1),e=Math.min(Math.max(0,e),1),
n=Math.min(Math.max(0,n),1),[255t,255e,255*n];
},o.xyz.lab=function(r){
var t,e,n,a=r[0],o=r[1],i=r[2];
return a/=95.047,o/=100,i/=108.883,a=a>.008856?Math.pow(a,1/3):7.787a+16/116,o=o>.008856?Math.pow(o,1/3):7.787o+16/116,
i=i>.008856?Math.pow(i,1/3):7.787i+16/116,t=116o-16,e=500(a-o),n=200(o-i),[t,e,n];
},o.lab.xyz=function(r){
var t,e,n,a=r[0],o=r[1],i=r[2];
e=(a+16)/116,t=o/500+e,n=e-i/200;
var l=Math.pow(e,3),s=Math.pow(t,3),u=Math.pow(n,3);
return e=l>.008856?l:(e-16/116)/7.787,t=s>.008856?s:(t-16/116)/7.787,n=u>.008856?u:(n-16/116)/7.787,
t=95.047,e=100,n*=108.883,[t,e,n];
},o.lab.lch=function(r){
var t,e,n,a=r[0],o=r[1],i=r[2];
return t=Math.atan2(i,o),e=360t/2/Math.PI,0>e&&(e+=360),n=Math.sqrt(oo+i*i),[a,n,e];
},o.lch.lab=function(r){
var t,e,n,a=r[0],o=r[1],i=r[2];
return n=i/3602Math.PI,t=oMath.cos(n),e=oMath.sin(n),[a,t,e];
},o.rgb.ansi16=function(r){
var t=r[0],e=r[1],n=r[2],a=1 in arguments?arguments[1]:o.rgb.hsv(r)[2];
if(a=Math.round(a/50),0===a)return 30;
var i=30+(Math.round(n/255)<<2|Math.round(e/255)<<1|Math.round(t/255));
return 2===a&&(i+=60),i;
},o.hsv.ansi16=function(r){
return o.rgb.ansi16(o.hsv.rgb(r),r[2]);
},o.rgb.ansi256=function(r){
var t=r[0],e=r[1],n=r[2];
if(t===e&&e===n)return 8>t?16:t>248?231:Math.round((t-8)/247*24)+232;
var a=16+36Math.round(t/2555)+6Math.round(e/2555)+Math.round(n/255*5);
return a;
},o.ansi16.rgb=function(r){
var t=r%10;
if(0===t||7===t)return r>50&&(t+=3.5),t=t/10.5*255,[t,t,t];
var e=.5(~~(r>50)+1),n=(1&t)e255,a=(t>>1&1)e255,o=(t>>2&1)e*255;
return[n,a,o];
},o.ansi256.rgb=function(r){
if(r>=232){
var t=10*(r-232)+8;
return[t,t,t];
}
r-=16;
var e,n=Math.floor(r/36)/5255,a=Math.floor((e=r%36)/6)/5255,o=e%6/5*255;
return[n,a,o];
},o.rgb.hex=function(r){
var t=((255&Math.round(r[0]))<<16)+((255&Math.round(r[1]))<<8)+(255&Math.round(r[2])),e=t.toString(16).toUpperCase();
return"000000".substring(e.length)+e;
},o.hex.rgb=function(r){
var t=r.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
if(!t)return[0,0,0];
var e=t[0];
3===t[0].length&&(e=e.split("").map(function(r){
return r+r;
}).join(""));
var n=parseInt(e,16),a=n>>16&255,o=n>>8&255,i=255&n;
return[a,o,i];
},o.rgb.hcg=function(r){
var t,e,n=r[0]/255,a=r[1]/255,o=r[2]/255,i=Math.max(Math.max(n,a),o),l=Math.min(Math.min(n,a),o),s=i-l;
return t=1>s?l/(1-s):0,e=0>=s?0:i===n?(a-o)/s%6:i===a?2+(o-n)/s:4+(n-a)/s+4,e/=6,
e%=1,[360e,100s,100*t];
},o.hsl.hcg=function(r){
var t=r[1]/100,e=r[2]/100,n=1,a=0;
return n=.5>e?2te:2t(1-e),1>n&&(a=(e-.5n)/(1-n)),[r[0],100n,100*a];
},o.hsv.hcg=function(r){
var t=r[1]/100,e=r[2]/100,n=t*e,a=0;
return 1>n&&(a=(e-n)/(1-n)),[r[0],100n,100a];
},o.hcg.rgb=function(r){
var t=r[0]/360,e=r[1]/100,n=r[2]/100;
if(0===e)return[255n,255n,255*n];
var a=[0,0,0],o=t%1*6,i=o%1,l=1-i,s=0;
switch(Math.floor(o)){
case 0:
a[0]=1,a[1]=i,a[2]=0;
break;
case 1:
a[0]=l,a[1]=1,a[2]=0;
break;
case 2:
a[0]=0,a[1]=1,a[2]=i;
break;
case 3:
a[0]=0,a[1]=l,a[2]=1;
break;
case 4:
a[0]=i,a[1]=0,a[2]=1;
break;
default:
a[0]=1,a[1]=0,a[2]=l;
}
return s=(1-e)n,[255(ea[0]+s),255(ea[1]+s),255(e*a[2]+s)];
},o.hcg.hsv=function(r){
var t=r[1]/100,e=r[2]/100,n=t+e*(1-t),a=0;
return n>0&&(a=t/n),[r[0],100a,100n];
},o.hcg.hsl=function(r){
var t=r[1]/100,e=r[2]/100,n=e(1-t)+.5t,a=0;
return n>0&&.5>n?a=t/(2n):n>=.5&&1>n&&(a=t/(2(1-n))),[r[0],100a,100n];
},o.hcg.hwb=function(r){
var t=r[1]/100,e=r[2]/100,n=t+e*(1-t);
return[r[0],100(n-t),100(1-n)];
},o.hwb.hcg=function(r){
var t=r[1]/100,e=r[2]/100,n=1-e,a=n-t,o=0;
return 1>a&&(o=(n-a)/(1-a)),[r[0],100a,100o];
},o.apple.rgb=function(r){
return[r[0]/65535255,r[1]/65535255,r[2]/65535*255];
},o.rgb.apple=function(r){
return[r[0]/25565535,r[1]/25565535,r[2]/255*65535];
},o.gray.rgb=function(r){
return[r[0]/100255,r[0]/100255,r[0]/100*255];
},o.gray.hsl=o.gray.hsv=function(r){
return[0,0,r[0]];
},o.gray.hwb=function(r){
return[0,100,r[0]];
},o.gray.cmyk=function(r){
return[0,0,0,r[0]];
},o.gray.lab=function(r){
return[r[0],0,0];
},o.gray.hex=function(r){
var t=255&Math.round(r[0]/100*255),e=(t<<16)+(t<<8)+t,n=e.toString(16).toUpperCase();
return"000000".substring(n.length)+n;
},o.rgb.gray=function(r){
var t=(r[0]+r[1]+r[2])/3;
return[t/255*100];
},o;
}(),a=function(){
function r(){
for(var r={},t=Object.keys(o),e=t.length,n=0;e>n;n++)r[t[n]]={
distance:-1,
parent:null
};
return r;
}
function t(t){
var e=r(),n=[t];
for(e[t].distance=0;n.length;)for(var a=n.pop(),i=Object.keys(o[a]),l=i.length,s=0;l>s;s++){
var u=i[s],c=e[u];
-1===c.distance&&(c.distance=e[a].distance+1,c.parent=a,n.unshift(u));
}
return e;
}
function e(r,t){
return function(e){
return t(r(e));
};
}
function a(r,t){
for(var n=[t[r].parent,r],a=o[t[r].parent][r],i=t[r].parent;t[i].parent;)n.unshift(t[i].parent),
a=e(o[t[i].parent][i],a),i=t[i].parent;
return a.conversion=n,a;
}
var o=n;
return function(r){
for(var e=t(r),n={},o=Object.keys(e),i=o.length,l=0;i>l;l++){
var s=o[l],u=e[s];
null!==u.parent&&(n[s]=a(s,e));
}
return n;
};
}(),o={},i=Object.keys(n);
return i.forEach(function(r){
o[r]={},Object.defineProperty(o[r],"channels",{
value:n[r].channels
}),Object.defineProperty(o[r],"labels",{
value:n[r].labels
});
var i=a(r),l=Object.keys(i);
l.forEach(function(n){
var a=i[n];
or=e(a),or.raw=t(a);
});
}),o;
}(),c=[].slice,h=["keyword","gray","hex"],f={};
Object.keys(u).forEach(function(r){
f[c.call(u[r].labels).sort().join("")]=r;
});
var g={};
return t.prototype={
toString:function(){
return this.string();
},
toJSON:function(){
return this[this.model]();
},
string:function(r){
var t=this.model in s.to?this:this.rgb();
t=t.round("number"==typeof r?r:1);
var e=1===t.valpha?t.color:t.color.concat(this.valpha);
return s.tot.model;
},
percentString:function(r){
var t=this.rgb().round("number"==typeof r?r:1),e=1===t.valpha?t.color:t.color.concat(this.valpha);
return s.to.rgb.percent(e);
},
array:function(){
return 1===this.valpha?this.color.slice():this.color.concat(this.valpha);
},
object:function(){
for(var r={},t=u[this.model].channels,e=u[this.model].labels,n=0;t>n;n++)r[e[n]]=this.color[n];
return 1!==this.valpha&&(r.alpha=this.valpha),r;
},
unitArray:function(){
var r=this.rgb().color;
return r[0]/=255,r[1]/=255,r[2]/=255,1!==this.valpha&&r.push(this.valpha),r;
},
unitObject:function(){
var r=this.rgb().object();
return r.r/=255,r.g/=255,r.b/=255,1!==this.valpha&&(r.alpha=this.valpha),r;
},
round:function(r){
return r=Math.max(r||0,0),new t(this.color.map(n(r)).concat(this.valpha),this.model);
},
alpha:function(r){
return arguments.length?new t(this.color.concat(Math.max(0,Math.min(1,r))),this.model):this.valpha;
},
red:a("rgb",0,o(255)),
green:a("rgb",1,o(255)),
blue:a("rgb",2,o(255)),
hue:a(["hsl","hsv","hsl","hwb","hcg"],0,function(r){
return(r%360+360)%360;
}),
saturationl:a("hsl",1,o(100)),
lightness:a("hsl",2,o(100)),
saturationv:a("hsv",1,o(100)),
value:a("hsv",2,o(100)),
chroma:a("hcg",1,o(100)),
gray:a("hcg",2,o(100)),
white:a("hwb",1,o(100)),
wblack:a("hwb",2,o(100)),
cyan:a("cmyk",0,o(100)),
magenta:a("cmyk",1,o(100)),
yellow:a("cmyk",2,o(100)),
black:a("cmyk",3,o(100)),
x:a("xyz",0,o(100)),
y:a("xyz",1,o(100)),
z:a("xyz",2,o(100)),
l:a("lab",0,o(100)),
a:a("lab",1),
b:a("lab",2),
keyword:function(r){
return arguments.length?new t(r):u[this.model].keyword(this.color);
},
hex:function(r){
return arguments.length?new t(r):s.to.hex(this.rgb().round().color);
},
rgbNumber:function(){
var r=this.rgb().color;
return(255&r[0])<<16|(255&r[1])<<8|255&r[2];
},
luminosity:function(){
for(var r=this.rgb().color,t=[],e=0;evar n=r[e]/255;
t[e]=.03928>=n?n/12.92:Math.pow((n+.055)/1.055,2.4);
}
return.2126t[0]+.7152t[1]+.0722*t[2];
},
contrast:function(r){
var t=this.luminosity(),e=r.luminosity();
return t>e?(t+.05)/(e+.05):(e+.05)/(t+.05);
},
level:function(r){
var t=this.contrast(r);
return t>=7.1?"AAA":t>=4.5?"AA":"";
},
isDark:function(){
var r=this.rgb().color,t=(299r[0]+587r[1]+114*r[2])/1e3;
return 128>t;
},
isLight:function(){
return!this.isDark();
},
negate:function(){
for(var r=this.rgb(),t=0;3>t;t++)r.color[t]=255-r.color[t];
return r;
},
lighten:function(r){
var t=this.hsl();
return t.color[2]+=t.color[2]*r,t;
},
darken:function(r){
var t=this.hsl();
return t.color[2]-=t.color[2]*r,t;
},
saturate:function(r){
var t=this.hsl();
return t.color[1]+=t.color[1]*r,t;
},
desaturate:function(r){
var t=this.hsl();
return t.color[1]-=t.color[1]*r,t;
},
whiten:function(r){
var t=this.hwb();
return t.color[1]+=t.color[1]*r,t;
},
blacken:function(r){
var t=this.hwb();
return t.color[2]+=t.color[2]*r,t;
},
grayscale:function(){
var r=this.rgb().color,e=.3r[0]+.59r[1]+.11*r[2];
return t.rgb(e,e,e);
},
fade:function(r){
return this.alpha(this.valpha-this.valpha*r);
},
opaquer:function(r){
return this.alpha(this.valpha+this.valpha*r);
},
rotate:function(r){
var t=this.hsl(),e=t.color[0];
return e=(e+r)%360,e=0>e?360+e:e,t.color[0]=e,t;
},
mix:function(r,e){
if(!r||!r.rgb)throw new Error('Argument to "mix" was not a Color instance, but rather an instance of '+("undefined"==typeof r?"undefined":_typeof(r)));
var n=r.rgb(),a=this.rgb(),o=void 0===e?.5:e,i=2o-1,l=n.alpha()-a.alpha(),s=((il===-1?i:(i+l)/(1+i*l))+1)/2,u=1-s;
return t.rgb(sn.red()+ua.red(),sn.green()+ua.green(),sn.blue()+ua.blue(),n.alpha()o+a.alpha()(1-o));
}
},Object.keys(u).forEach(function(r){
if(-1===h.indexOf(r)){
var e=u[r].channels;
t.prototype[r]=function(){
if(this.model===r)return new t(this);
if(arguments.length)return new t(arguments,r);
var n="number"==typeof arguments[e]?e:this.valpha;
return new t(i(uthis.model.raw(this.color)).concat(n),r);
},t[r]=function(n){
return"number"==typeof n&&(n=l(c.call(arguments),e)),new t(n,r);
};
}
}),t;
}(),e=new RegExp(Object.keys(r).join("|"),"ig"),n="#666",a="data-darkmode-color",o="data-darkmode-bgcolor",i="data-darkmode-bgimage",l=window.dmClassPrefix,s=new RegExp(l+"\d+","g"),u=window.getInnerHeight&&window.getInnerHeight()||window.innerHeight||document.documentElement.clientHeight,c=navigator.userAgent,h=/windowssnt/i.test(c)&&!/WindowssPhone/i.test(c)||/macsos/i.test(c)&&!/(iPhone|iPad|iPod|iOS)/i.test(c),f=0,g=[],b=[],d=["mpcps","iframe"],v=[],p=[],m=["",""],y=!0,w=function(r,t){
return r+": "+t+" !important;";
},M=function(r){
var t;
return(t=[r]).concat.apply(t,_toConsumableArray(r.querySelectorAll("*")));
},k=function(r){
return r&&document.head.insertAdjacentHTML("beforeend",'");
},x=function(r,e,n){
var a=r.rgb().array(),l=r.hsl().array(),s=r.alpha(),u=(299a[0]+587a[1]+114*a[2])/1e3,c=250,h=190,f=void 0;
if(n.isBgColor)if(0===l[1]&&l[2]>40||u>c)f=t.hsl(0,0,Math.min(100,114-l[2]));else if(u>h){
var g=1e3h/(299a[0]+587a[1]+114a[2]);
f=t.rgb(a[0]g,a[1]g,a[2]*g);
}else l[2]<26&&(l[2]=26,f=t.hsl.apply(t,_toConsumableArray(l)));else if(n.isTextColor||n.isBorderColor){
var b=!1,d=e.getAttribute(o);
if(!e.getAttribute(i)){
if(d){
var v=t(d).rgb().array();
b=(299v[0]+587v[1]+114*v[2])/1e3>h-20;
}
(!b&&l[2]<40||b&&c>u&&u>=h)&&(l[2]=90-l[2],f=t.hsl.apply(t,_toConsumableArray(l)));
}
}
return f&&f.alpha(s).rgb();
},A=function(s){
if(d.indexOf(s.nodeName.toLowerCase())>-1||Array.prototype.some.call(s.classList,function(r){
return g.indexOf(r)>-1||b.some(function(t){
return t.test(r);
});
}))return"";
var u=s.style,c="";
try{
!function(){
var l=!1;
(u.cssText&&u.cssText.split(";")||[]).map(function(r){
var t=r.indexOf(":");
return[r.slice(0,t).toLowerCase(),r.slice(t+1)].map(function(r){
return(r||"").replace(/^[suFEFFxA0]+|[suFEFFxA0]+$/g,"");
});
}).filter(function(r){
var t=_slicedToArray(r,1),e=t[0];
return["-webkit-border-image","border-image","color","background-color","background-image","background","border","border-top","border-right","border-bottom","border-left","border-color","border-top-color","border-right-color","border-bottom-color","border-left-color"].indexOf(e)>-1;
}).sort(function(r){
var t=_slicedToArray(r,1),e=t[0];
return"color"===e?(l=!0,0):-1;
}).forEach(function(u){
var h=_slicedToArray(u,2),f=h[0],g=h[1],b=!1;
g=g.replace(e,function(t){
return"rgb("+r[t.toLowerCase()].toString()+")";
});
var d=/rgba?(2+)/gi;
d.test(g)&&!function(){
var r=!1;
g=g.replace(d,function(e){
var n=/^background/.test(f),l="color"===f,u=/^border/.test(f),c=x(t(e),s,{
isBgColor:n,
isTextColor:l,
isBorderColor:u
});
return c&&!r&&(n||l)&&!function(){
r=!0;
var t=n?o:a,e=c.toString();
M(s).forEach(function(r){
r.setAttribute(t,e),n&&r.getAttribute(i)&&r.removeAttribute(i);
});
}(),c&&(b=!0),c||e;
}).replace(/s?!s?important/gi,"");
}();
var v=.15;
(/^background/.test(f)||/^(-webkit-)?border-image/.test(f))&&/url(3*)/i.test(g)&&(b=!0,
g=g.replace(/^(.?)url((4))(.*)$/i,function(r,t,e,n){
return"1"!==s.getAttribute(i)&&M(s).forEach(function(r){
return r.setAttribute(i,"1");
}),t+"linear-gradient(rgba(0, 0, 0, "+v+"), rgba(0, 0, 0, "+v+")), url("+e+")"+n;
}),!s.getAttribute(a)&&!l&&(c+=w("color",n))),b&&(c+=w(f,g));
});
}();
}catch(v){
console.error(v);
}
if(c){
h&&s.setAttribute("data-style",u.cssText);
var p=""+l+f++;
return s.classList.add(p),"."+p+"{"+c+"}";
}
return"";
},O=function(r){
if(null!==m)try{
r?v.forEach(function(r){
if(r.className&&"string"==typeof r.className&&(r.className=r.className.replace(s,"")),
y){
var t=r.getBoundingClientRect(),e=t.top,n=t.bottom;
0>=e&&0>=n?m[1]+=A(r):e>0&&u>e||n>0&&u>n?(p.push(r),m[0]+=A(r)):(y=!1,k(m[0]),p.forEach(function(r){
r.style.visibility="visible";
}),m[0]="",m[1]+=A(r));
}else m[1]+=A(r);
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end:0,
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file:n||"",
line:t||"",
col:r||"",
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msg:e.message,
stack:o.info,
file:o.file,
line:o.line,
col:o.col,
client_version:"",
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};
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file:o.file||"",
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}
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mid:"",
view:"wap",
_cache:{},
_info:{},
_hookCallback:null,
ignorePath:!0,
"throw":function(e,o){
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},
onError:function(o,t){
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init:function(o,n,t){
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},
hook:function(o){
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o.mid=window.PAGE_MID;
}
o.uin||(o.uin=window.user_uin||0);
var n=[o.mid,o.name,o.key].join("|");
if(!this._cache||!this._cache[n])return this._cache&&(this._cache[n]=!0),this._xhr(o),
e.BadJs;
},
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var o;
if(window.ActiveXObject)try{
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}catch(n){
try{
o=new ActiveXObject("Microsoft.XMLHTTP");
}catch(t){
o=!1;
}
}else window.XMLHttpRequest&&(o=new XMLHttpRequest);
var r="";
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if(o&&o.open)o.open("POST","https://badjs.weixinbridge.com/report",!0),o.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8"),
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var a=new Image;
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},
report:function(e,n,t){
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},
mark:function(e){
this._info=i(this._info,e);
},
nocache:function(){
return this._cache=!1,e.BadJs;
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},window.addEventListener&&window.addEventListener("error",e.BadJs.winErr),e.BadJs;
}
}(WX_BJ_REPORT),window.WX_BJ_REPORT=WX_BJ_REPORT,__moonf__(); }, 25);
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var ua = navigator.userAgent;
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