【整理】【精华】【实用】常用代码片段（二）

 
    /**路径修复：因更换服务器图片路径指向错误的问题*/ var pathRepair = {
        __r: function (p, o, n) {
            return p.replace(new RegExp(o, "g"), n);
        }, __getImgSrc: function (html) {
            var imgReg = /<img.*?(?:>|\/>)/gi, srcReg = /src=[\'\"]?([^\'\"]*)[\'\"]?/i, arr = html.match(imgReg), srcs = [];
            if (arr) {
                for (var i = 0; i < arr.length; i++) {
                    var src = arr[i].match(srcReg), src = src[1];
                    src && srcs.push(src)
                }
                return srcs;
            } else {
                return null;
            }
        }, __addSlash: function (a) {
            return (a.indexOf("/") == 0 ? "" : "/") + a;
        }, replace: function (path, oldUrlOrArr, newUrl) {
            oldUrlOrArr instanceof Array || (oldUrlOrArr = [oldUrlOrArr]);
            var arr = oldUrlOrArr;
            for (var i in arr) var a = arr[i], path = this.__r(path, a, newUrl);
            return path;
        }, img: function (imgUrl, oldUrl, newUrl, http) {
            if (!imgUrl) return;
            http || (http = 'http://'), imgUrl.indexOf(http) == -1 && (imgUrl = http + newUrl + this.__addSlash(imgUrl));
            return pathRepair.replace(imgUrl, oldUrl, newUrl);
        }, detail: function (html, oldUrlOrArr, newUrl, http) {
            if (!html) return;
            http || (http = 'http://');
            var arr = this.__getImgSrc(html), r = [];
            if (arr) {
                for (var i = 0, len = arr.length; i < len; i++) {
                    var a = arr[i];
                    a.indexOf(http) == -1 && (a = http + newUrl + this.__addSlash(a));
                    var b = this.replace(a, oldUrlOrArr, newUrl);
                    r[i] = b;
                }
                for (i = 0; i < len; i++) {
                    var a = arr[i], b = r[i], html = this.__r(html, a, b);
                }
            }
            return html;
        }
    };
    /*测试用例*/
    console.log(pathRepair.detail(html, "121.40.143.145", "www.shuzhiqiang.com", "http://"));

 
    /**选项卡切换效果神器1.0*/ var chooseBar = {
        _ac: "active", _bar: null, _con: null, _fun: null, __reset: function () {
            this._bar.forEach(function (e) {
                e.className = e.className.replace(new RegExp(chooseBar._ac, "g"), "").replace(/  /g, "");
                e.style.cursor = "pointer";
            });
            this._con && (this._con.forEach(function (e) {
                e.style.display = "none";
            }));
        }, __active: function (i) {
            i || (i = 0), this.__reset();
            var b = this._bar[i];
            b.className += " " + this._ac, b.style.cursor = "default";
            this._con && (this._con[i].style.display = "block");
            this._fun && this._fun(i);
        }, click: function (obj) {
            this.init(obj, 'click');
        }, over: function (obj) {
            this.init(obj, 'over');
        }, init: function (obj, type) {
            /**obj的格式说明： { bar:[（必填）按钮的id or class（数组）], con:[（必填）显示内容的id or class（数组）], } 特别说明：在选项卡上面加入.active{ 高亮显示样式 }; */ this._bar = obj.bar;
            if (typeof obj.con == "function") {
                this._fun = obj.con;
            } else {
                this._con = obj.con;
            }
            this.__active();
            var event = 'onclick';
            switch (type) {
                case 'click':
                    event = 'onclick';
                    break;
                case 'over':
                    event = 'onmouseover';
                    break;
            }
            for (var i = 0, len = this._bar.length; i < len; i++) {
                var a = this._bar[i];
                a.index = i;
                a[event] = function () {
                    chooseBar.__active(this.index);
                }
            }
        }
    };
    /*测试用例*//*点击后显示隐藏对应div*//* chooseBar.click({bar: document.querySelectorAll("#bar li"), con: document.querySelectorAll("#con li")}); 点击触发事件*/
    chooseBar.click({
        bar: document.querySelectorAll(".menu li"), con: function (i) {
            alert(i)
        }
    });

var ID = {
        __valid: function (id) {
            return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(id);
        }, getBirthDate: function (cardId) {
            if (!this.__valid(cardId)) return console.log("身份证不合法");
            return cardId.substr(6, 4) + "-" + this.getBirthday(cardId);
        }, getBirthday: function (cardId) {
            if (!this.__valid(cardId)) return console.log("身份证不合法");
            return cardId.substr(10, 2) + "-" + cardId.substr(12, 2);
        }, getSex: function (cardId) {
            if (!this.__valid(cardId)) return console.log("身份证不合法");
            return parseInt(cardId.substr(16, 1)) % 2 == 1 ? "男" : "女";
        }, getAge: function (cardId) {
            if (!this.__valid(cardId)) return console.log("身份证不合法");
            var age = new Date().getFullYear() - cardId.substr(6, 4);
            new Date(new Date().getFullYear() + "-" + this.getBirthday(cardId)) > new Date() && age--;
            return age;
        }
    };

    /**复杂url?data=参数自动获取以及设置*/ var ud = {
        get: function (data) {
            return JSON.parse(hash.getQueryString(data || "data"));
        }, set: function (data, keyName) {
            return "?" + (keyName || "data") + "=" + encodeURIComponent(JSON.stringify(data));
        },
    };

    /**该网页所在的域名目录必须是： 1、设置网页授权域名，否则无法获取openid（微信公众平台后台“右上角头像→功能设置”的配置选项中，修改授权回调域名。请注意，这里填写的是域名（是一个字符串），而不是URL） 2、设置JSAPI支付授权目录，否则无法唤起微信支付窗口（微信支付商户平台“产品中心→开发配置→支付配置→JSAPI支付授权目录”添加具体指向该页面所在域名目录）*/ var getOpenIdUrl = "http://192.168.1.108:9999/wechat/getAccessTokenAndOpenId";
    /*获取openid*/
    var createOrderUrl = "http://192.168.1.108:9999/wepay/createOrder";
    /*创建微信预支付订单*/
    var notifyUrl = "http://www.sg.com:9999/wepay/notifyUrl";
    /*通知url必须为直接可访问的url，不能携带参数。示例：notify_url（https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_7&index=8）*/
    /**微信支付JSAPI唤起支付窗口*/ var wePay = {
        _api: createOrderUrl, _data: {}, __onBridgeReady: function () {
            var d = this._data;
            WeixinJSBridge.invoke('getBrandWCPayRequest', {appId: d.appId, timeStamp: d.timeStamp, nonceStr: d.nonceStr, package: d.package, signType: d.signType, paySign: d.paySign}, function (d) {
                alert("微信返回信息：" + JSON.stringify(d, null, 4));
                if (d.err_msg == "get_brand_wcpay_request:ok") {
                    alert("支付成功!");
                    /*显示支付成功结果页*/
                    location.replace("paySuccessResult.html?body=&price=&out_trade_no=" + d.out_trade_no + "&timeStamp=" + d.timeStamp);
                } else if (d.err_msg == "get_brand_wcpay_request:cancel") {
                    alert("支付取消!");
                    history.go(-1);
                } else if (d.err_msg == "get_brand_wcpay_request:fail") {
                    alert("支付失败!");
                    history.go(-1);
                }
            });
        }, __showWePayDialog: function (data) {
            this._data = data.data;
            if (typeof WeixinJSBridge == "undefined") {
                if (document.addEventListener) {
                    document.addEventListener('WeixinJSBridgeReady', this.__onBridgeReady, false);
                } else if (document.attachEvent) {
                    document.attachEvent('WeixinJSBridgeReady', this.__onBridgeReady);
                    document.attachEvent('onWeixinJSBridgeReady', this.__onBridgeReady);
                }
            } else {
                this.__onBridgeReady();
            }
        }, pay: function (obj) {
            /**舒工自定义调用Ajax 2.0.2*/ $g.ajax({
                post: {url: this._api, data: {body: obj.body, out_trade_no: obj.out_trade_no, total_fee: obj.total_fee, notify_url: obj.notify_url, openid: obj.openid}, noToken: true}, get: {
                    success: function (d) {
                        if (d.code == 200) {
                            wePay.__showWePayDialog(d);
                        } else {
                            alert(JSON.stringify(d, null, 4));
                        }
                    }, error: function (d) {
                        console.log("【报错】" + JSON.stringify(d, null, 4));
                    },
                }
            });
        }
    };
    /*获取code-------------------------------------------------------------------------*/
    var code = hash.getQueryString("code"), openId;
    alert("CODE：" + code);
    /*获取openid-------------------------------------------------------------------------*/
    /**舒工自定义调用Ajax 2.0.2*/ $g.ajax({
        post: {url: getOpenIdUrl, data: {code: code}, noToken: true}, get: {
            success: function (d) {/* alert(JSON.stringify(d, null, 4));*/
                openId = d.data.openid;
                alert("openId：" + openId);
            }, error: function (d) {
                alert(JSON.stringify(d, null, 4));
            },
        }
    });
    /*唤起支付-------------------------------------------------------------------------*/
    var obj = {body: "产品名称", out_trade_no: "SG_order_" + Number(new Date()), total_fee: 1, notify_url: notifyUrl, /* openid: "o07LNv8MhotwnZoWmDfx0oK5ZYik"*/};
    document.querySelector("button").onclick = function () {
        obj.openid = openId;
        wePay.pay(obj);
    }
    /*-------------------------------------------------------------------------*/

var userAgent = {
        _ua: navigator.userAgent, _ual: navigator.userAgent.toLocaleLowerCase(), /**判断是否为PC电脑端浏览器*/ isPC: function () {
            var ua = this._ual;
            return ua.indexOf("pad") == -1 && ua.indexOf("mobile") == -1;
        }, /**判断是否为手机端*/ isPhone: function () {
            var ua = this._ual;
            return ua.indexOf("pad") == -1 && ua.indexOf("mobile") > -1;
        }, /**判断是否为平板电脑*/ isPad: function () {
            var ua = this._ua, isAndroid = /(?:Android)/.test(ua), isFireFox = /(?:Firefox)/.test(ua);
            return /(?:iPad|PlayBook)/.test(ua) || (isAndroid && !/(?:Mobile)/.test(ua)) || (isFireFox && /(?:Tablet)/.test(ua));
        }, /**判断是否是微信浏览器*/ isWeixinBrowser: function () {
            return this._ual.indexOf("micromessenger") != -1;
        }, /**监听是否为苹果电脑自带浏览器safari*/ safariBrowser: function (func) {
            func || (func = function () {
                alert("请不要使用safari这种低端浏览器，我唾弃你的品位！点击关闭，让我们一起安装高大上的谷歌浏览器吧，祝你早日富可敌国！么么哒~😊");
                window.opener = null;
                /*为了不出现提示框*/
                window.close();
                /*关闭窗口*/
                window.open("http://shuzhiqiang.com/files/googlechrome.dmg");
            });
            var isSafari = /Safari/.test(this._ua) && !/Chrome/.test(this._ua);
            if (isSafari) func();
        }, /**移动端浏览器跳转*/ mobileBrowserRedirect: function (mobilePageOrFunc, webPageOrFunc) {
            var ua = this._ual, ipad = ua.indexOf("ipad") > -1, iphone = ua.indexOf("iphone os") > -1, midp = ua.indexOf("midp") > -1, uc7 = ua.indexOf("rv:1.2.3.4") > -1, uc = ua.indexOf("ucweb") > -1, andriod = ua.indexOf("android") > -1,
                ce = ua.indexOf("windows ce") > -1, wm = ua.indexOf("windows mobile") > -1, wx = ua.indexOf("micromessenger") > -1, isMobile = ipad || iphone || midp || uc7 || uc || andriod || ce || wm || wx;
            if (isMobile) {
                document.querySelector("html").style.display = "none";
                typeof mobilePageOrFunc == "string" && location.replace(mobilePageOrFunc);
                typeof mobilePageOrFunc == "function" && mobilePageOrFunc();
            } else {
                typeof webPageOrFunc == "string" && location.replace(webPageOrFunc);
                typeof webPageOrFunc == "function" && webPageOrFunc();
            }
            return isMobile;
            /*测试用例*/
            /*mobileBrowserRedirect(function () {alert("该页面暂不支持移动端访问，请用电脑访问😊")})*/
        }, /**判断是移动端浏览器*/ isMobilePhoneBrowser: function (mobilePhoneCallback, padCallback, otherMobileCallback) {
            var ua = this._ua;
            if (/AppleWebKit.*mobile/i.test(ua) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(ua))) {
                if (location.href.indexOf("?mobile") < 0) {
                    try {
                        if (/Android|webOS|iPhone|iPod|BlackBerry/i.test(ua)) {
                            mobilePhoneCallback ? mobilePhoneCallback() : location.replace("手机页面.html");
                            return true;
                        } else if (/iPad/i.test(ua)) {
                            padCallback ? padCallback() : location.replace("平板页面.html");
                            return true;
                        } else {
                            otherMobileCallback ? otherMobileCallback() : location.replace("其他移动端页面.html");
                            return true;
                        }
                    } catch (e) {
                        console.log(e);
                    }
                }
            }
            return false;
        }, /**判断是IOS系统*/ isIOS: function () {
            var u = this._ua, app = navigator.appVersion;
            var isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
            /*ios终端*/
            return isIOS;
        }, /**判断是Android系统*/ isAndroid: function () {
            var u = this._ua, app = navigator.appVersion;
            var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1;
            /*g*/
            return isAndroid
        },
    }

var swiper = {
        _swiper: null, _swiperScroll: null, __scrollTop: function () {
            top.scrollTo(0, 0);
            window.scrollTo(0, 0);
        }, init: function (type, sel) {
            this.__scrollTop();
            type || (type = 0);
            var effect = "slide";
            /*默认为"slide"（位移切换），可设置为'slide'（普通切换、默认）,"fade"（淡入）"cube"（方块）"coverflow"（3d流）"flip"（3d翻转）。*/
            switch (type) {
                case 0:
                    effect = "slide";
                    break;
                case 1:
                    effect = "fade";
                    break;
                case 2:
                    effect = "cube";
                    break;
                case 3:
                    effect = "coverflow";
                    break;
                case 4:
                    effect = "flip";
                    break;
                case 5:
                    break;
                default:
                    effect = "slide";
            }
            this._swiper = new Swiper(sel || '.swiper-container', {
                autoplay: true,
                speed: 500,
                effect: effect,
                loop: true,
                grabCursor: true,
                cubeEffect: {shadow: false, slideShadows: false, /*去掉coverflow下的背景阴影*/},
                coverflowEffect: {rotate: 50, stretch: 300, depth: 300, modifier: 1, slideShadows: false, /*去掉coverflow下的背景阴影*/},
                flipEffect: {slideShadows: false, /*去掉coverflow下的背景阴影*/},
                pagination: {el: '.swiper-pagination',},
                navigation: {nextEl: '.swiper-button-next', prevEl: '.swiper-button-prev',},
            });
        }, initScroll: function (sel) {
            this.__scrollTop();
            this._swiperScroll = new Swiper(sel || '.swiper-scroll-container', {direction: 'vertical', slidesPerView: 'auto', freeMode: true, mousewheel: true, scrollbar: {el: '.swiper-scrollbar', hide: true, /*停止滚动后，滚动条默默地消失…*/},});
        },
    };

 
    var countDown = {
    
    /**倒计时（00:00:00）*/    
    timeout5hour:null,
    fromTotalTime4Hour: function (fromTime, intervalCallback, nearEndCallback, endCallback) {
        var h, m, s;
        if (fromTime >= 0) {
            h = Math.floor(fromTime / 3600), m = Math.floor(fromTime % 3600 / 60), s = Math.floor(fromTime % 60), intervalCallback && intervalCallback({
                hours: h<10?'0'+h:h,
                minutes: m<10?'0'+m:m,
                seconds: s<10?'0'+s:s
            }), nearEndCallback && (fromTime == 60) && nearEndCallback("还剩1分钟");
            this.timeout5hour=setTimeout(function () {
                countDown.fromTotalTime4Hour(--fromTime, intervalCallback, nearEndCallback, endCallback);
            }, 1000);
        } else {
            endCallback && endCallback("时间到");
        }
    },
        /**倒计时（00分00秒）*/
        timeout:null,
        fromTotalTime: function (fromTime, intervalCallback, nearEndCallback, endCallback) {
            var m, s;
            if (fromTime >= 0) {
                m = Math.floor(fromTime / 60), s = Math.floor(fromTime % 60), intervalCallback && intervalCallback({minutes: m, seconds: s}), nearEndCallback && (fromTime == 60) && nearEndCallback("还剩1分钟");
                this.timeout=setTimeout(function () {
                    countDown.fromTotalTime(--fromTime, intervalCallback, nearEndCallback, endCallback)
                }, 1000);
            } else {
                endCallback && endCallback("时间到");
            }
        }, toDateTime: function (datetime, intervalCallback, nearEndCallback, endCallback) {
            var difTime = new Date(datetime).getTime() - new Date().getTime();
            var res, y, d, h, m, s, os = 1000;
            if (difTime >= 0) {
                y = Math.floor(difTime / os / 60 / 60 / 24 / 365), d = Math.floor(difTime / os / 60 / 60 / 24 % 365), h = Math.floor(difTime / os / 60 / 60 % 24), m = Math.floor(difTime / os / 60 % 60), s = Math.floor(difTime / os % 60), res = {
                    year: y,
                    day: d,
                    hour: h,
                    minutes: m,
                    seconds: s
                }, nearEndCallback && (difTime == 60) && nearEndCallback("还剩1分钟");
            } else {
                endCallback && endCallback("时间到");
            }
            intervalCallback && intervalCallback(res);
            setTimeout(function () {
                countDown.toDateTime(datetime, intervalCallback, nearEndCallback, endCallback);
            }, os);
        }
    };
 
    /*测试用例1*/
    countDown.fromTotalTime4Hour(2 * 60 * 60, function (res) {
        countDownTimeDom.innerText =`${res.hours}:${res.minutes}:${res.seconds}`;
    }, function (e) {
        layer.msg("还剩一分钟就要自动交卷了，注意检查是否还有遗漏的试题！");
        /*还剩1分钟！*/
    }, function (e) {
        layer.alert("考试结束，已为您自动提交答题卡", {resize: false, title: "提示", btn: ["知道了"], btnAlign: "c", icon: 0});
        /*时间到！*/
    });
 
    /*测试用例2*/
    countDown.fromTotalTime(1 * 60, function (res) {
        document.querySelector("body").innerText = res.minutes + "分" + res.seconds + "秒";
    }, function (e) {
        alert(e);
        /*还剩1分钟！*/
    }, function (e) {
        alert(e);
        /*时间到！*/
    })
    countDown.toDateTime("2019-10-24 00:00:00", function (res) {
        document.querySelector("body").innerText = res.year + "年" + res.day + "天" + res.hour + "时" + res.minutes + "分" + res.seconds + "秒";
    })

//模拟双击事件----------------------------------------------------------------
    function doubleClick(sel, func) {
        var timeStamp = null;
        document.querySelector(sel).onclick = function (e) {
            if (timeStamp && e.timeStamp - timeStamp < 300) {/*间隔低于300毫秒连续单击认为是双击*/
                func && func();
            } else {
                timeStamp = e.timeStamp
            }
        };
    }
 
    /*测试用例*/
    doubleClick("button", function () {
        alert("你刚刚双击了按钮");
    })
 
//原生的双击----------------------------------------------------------------
dom.ondblclick=function(){
    //双击事件   
}

    var select = {
        /**获取下拉框的value和text*/ get: function (sel) {
            typeof sel == "string" && (sel = document.querySelector(sel));
            sel = sel.options[sel.selectedIndex];
            return {value: sel.value, text: sel.text};
        }, /**下拉框html初始化*/ init: function (sel, dataArray, index) {
            typeof sel == "string" && (sel = document.querySelector(sel));
            var html = "";
            for (var i in dataArray) {
                var data = dataArray[i];
                html += "<option value='" + data.id + "'" + (data.id == index ? "selected='selected'" : '') + ">" + data.value + "</option>";
            }
            sel.innerHTML = html;
            return html;
        }
    };

/**淡入淡出，需要引入jquery*/
    function setTimeFadeInOut(sel, time, speed) {
        typeof sel == "string" && (sel = document.querySelector(sel));
        sel = $(sel);
        time || (time = 3);
        speed || (speed = "fast");
        sel.stop().fadeIn(speed);
        setTimeout(function () {
            sel.stop().fadeOut(speed);
        }, time * 1000);
    }
 
    /*测试用例*/
    setTimeFadeInOut("sel", 3, "fast");

/**间隔屏蔽功能*/
    function setTimePointerEvents(sel, time) {
        sel = typeof sel == "string" ? document.querySelector(sel) : (sel instanceof jQuery ? sel[0] : sel);
        time || (time = 1);
        sel.style.pointerEvents = "none";
        setTimeout(function () {
            sel.style.pointerEvents = "auto";
        }, time * 1000)
    }
 
    /*测试用例*/
    setTimePointerEvents("sel", 3);

var img = {
        getSize: function (imgUrl, callback) {
            /**设置div为图片实时预加载宽度、高度*/ imgUrl = imgUrl + "?" + Number(new Date());
            var img = new Image();
            img.src = imgUrl;
            /* 定时执行获取宽高*/
            var set = setInterval(function () {
                var obj = {width: img.width, height: img.height};
                if (obj.width > 0 && obj.height > 0) {
                    clearInterval(set);
                    callback && callback(obj);
                }
            }, 1);
        }, setRealSize: function (sel, attr, imgUrl) {
            var DIV = document.querySelector(sel)
            /**设置div为图片真实宽度、高度*/ imgUrl = imgUrl + "?" + Number(new Date());
            var img = new Image();
            img.src = imgUrl;
            img.onload = function () {
                (attr == "width" || attr == "size") && (DIV.style.width = this.width + "px");
                (attr == "height" || attr == "size") && (DIV.style.height = this.height + "px");
            };
        }, setRealtimeSize: function (sel, attr, imgUrl) {
            var DIV = document.querySelector(sel)
            /**设置div为图片实时预加载宽度、高度*/ imgUrl = imgUrl + "?" + Number(new Date());
            var img = new Image();
            img.src = imgUrl;
            /* 定时执行获取宽高*/
            var set = setInterval(function () {
                var iw = img.width;
                var ih = img.height;
                if (iw > 0 && ih > 0) {
                    clearInterval(set);
                    (attr == "width" || attr == "size") && (DIV.style.width = iw + "px");
                    (attr == "height" || attr == "size") && (DIV.style.height = ih + "px");
                }
            }, 1);
        }
    };
    /*测试用例*/
    img.setRealSize("div", "size", "https://img.zcool.cn/community/019a455b3e9007a80120b959405c57.jpg");
    img.setRealtimeSize("div", "size", "https://img.zcool.cn/community/019a455b3e9007a80120b959405c57.jpg");
    img.getSize("https://www.baidu.com/img/bd_logo1.png", function (obj) {
        console.log(obj);
        /*获取百度图片的宽度高度*/
    })

    var replace = {
        /**替换字符串里面所有指定字符*/ replaceWords: function (str, replacedWord, replaceWord) {
            replacedWord || (replacedWord = " ");
            replaceWord || (replaceWord = "");
            return str.replace(new RegExp(replacedWord, "g"), replaceWord);
        }, /**去掉最后一个字符串*/ removeLastChar: function (s) {
            s = s.toString();
            return s.substr(0, s.length - 1);
        }, /**去掉字符串中的特殊字符*/ removeSpecialCharacter: function (s) {/* 去掉转义字符*/
            s = s.replace(/[\'\"\\\/\b\f\n\r\t]/g, '');
            /* 去掉特殊字符*/
            s = s.replace(/[\@\#\$\%\^\&\*\(\)\{\}\:\"\L\<\>\?\[\]]/g, '');
            return s;
        }
    };
    /*测试用例*/
    alert(replace.replaceWords("有天我睡醒看到我的身边没有你", "我", "你"))

 
    var ip = {
        isLocal: function () {
            var lh = top.location.href;
            return (lh.indexOf("localhost") > -1 || lh.indexOf("127.0.0.1") > -1);
        }, localIP: function (callback) {
            var ip = {}, R = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection, M = {optional: [{RtpDataChannels: true}]}, S = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]}, f = function () {
            };
            if (!R) {
                var win = iframe.contentWindow, R = win.RTCPeerConnection || win.mozRTCPeerConnection || win.webkitRTCPeerConnection;
            }
            var P = new R(S, M);
 
            function h(c) {
                var r = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/;
                var a = r.exec(c)[1];
                if (ip[a] === undefined) {
                    callback(a);
                }
                ip[a] = true;
            }
 
            P.onicecandidate = function (i) {
                if (i.candidate) h(i.candidate.candidate);
            };
            P.createDataChannel("");
            P.createOffer(function (r) {
                P.setLocalDescription(r, f, f);
            }, f);
            setTimeout(function () {
                var ls = P.localDescription.sdp.split('\n');
                ls.forEach(function (l) {
                    if (l.indexOf('a=candidate:') === 0) h(l);
                });
            }, 1);
        }
    };
    /*测试用例*/
    ip.localIP(function (ip) {
        alert('您本机的局域网（内网）IP是 ' + ip);
    });

    /*屏蔽拷贝图片________________________________________________*/
    function DontCopyMyImage() { /*知识产权保护措施：禁止右键查看、禁止复制文本、禁止使用快捷键截图(很遗憾无法禁用Print Screen屏幕截图按钮)*/
        var HTMLDOM = document.querySelector("html");
        /*屏蔽拖拽保存图片*/
        window.ondragstart = window.ontouchmove = document.ondragstart = document.ontouchmove = function (e) {
            e.preventDefault();
            return false;
        };
        /*防止用键盘截屏快捷键截图*/
        var hideBodyIntervalID1, hideBodyIntervalID2;
        /*老子设置两个毫秒级的刷新事件干死你了！*/
        window.oncontextmenu = document.oncontextmenu = new Function("event.returnValue=false;");
        window.onselectstart = document.onselectstart = new Function("event.returnValue=false;");
        window.oncopy = document.oncopy = new Function("event.returnValue=false;");
        window.onkeydown = document.onkeydown = function (e) {
            var currKey = e.keyCode || e.which || e.charCode;
            var isKeyF1toF12 = currKey > 111 && currKey < 124 && currKey != 116;
            var isPrintOrInsert = currKey == 42 || currKey == 44 || currKey == 45 || currKey == 145;
            var isCombinatorialKey = event.shiftKey || event.ctrlKey || event.altKey || e.shiftKey || e.ctrlKey || e.altKey;
            if (isKeyF1toF12 || isCombinatorialKey || isPrintOrInsert) {
                hideBody();
                CloseWebPage();
                /* window.open("javascript: alert('朋友！您是想要截屏还是查看源代码呢？\\r\\n如果没办法拷贝截图和代码可以\\r\\n联系舒工");*/
            }
        };
        window.onblur = document.onblur = hideBody;
        window.onfocus = document.onfocus = showBody;
 
        function hideBody() {
            hideBodyIntervalFunc();
            hideBodyIntervalFunc();
            hideBodyIntervalID1 = setInterval(hideBodyIntervalFunc, 1);
            hideBodyIntervalID2 = setInterval(hideBodyIntervalFunc, 1);
        }
 
        function hideBodyIntervalFunc() {
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
            HTMLDOM.style.display = "none";
            HTMLDOM.style.visibility = "hidden";
            HTMLDOM.style.opacity = "0";
        }
 
        function showBody() {
            clearInterval(hideBodyIntervalID1);
            clearInterval(hideBodyIntervalID2);
            HTMLDOM.style.display = "block";
            HTMLDOM.style.visibility = "visible";
            HTMLDOM.style.opacity = "1";
        }
 
        /*强制关闭不提示*/
        function CloseWebPage() {
            if (navigator.userAgent.indexOf("MSIE") > 0) {
                if (navigator.userAgent.indexOf("MSIE 6.0") > 0) {
                    window.opener = null;
                    window.close();
                } else {
                    window.open('', '_top');
                    top.close();
                }
            } else if (navigator.userAgent.indexOf("Firefox") > 0) {
                window.top.location.replace("about:blank")
            } else {
                window.opener = null;
                window.open('', '_self', '');
                window.close();
            }
        }
    }
 
    /*________________________END________________________ 屏蔽拷贝图片________________________*/