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<mce:script src=
"jquery.js"
mce_src=
"jquery.js"
></mce:script><!--这是载入jquery.js文件,如果不使用jquery可以去掉-->
<mce:script type=
"text/javascript"
><!--
function
chk(){
var
obj=document.getElementsByName(
'test'
);
//选择所有name="'test'"的对象,返回数组
//取到对象数组后,我们来循环检测它是不是被选中
var
s=
''
;
for
(
var
i=0; i<obj.length; i++){
if
(obj[i].checked) s+=obj[i].value+
','
;
//如果选中,将value添加到变量s中
}
//那么现在来检测s的值就知道选中的复选框的值了
alert(s==
''
?
'你还没有选择任何内容!'
:s);
}
function
jqchk(){
//jquery获取复选框值
var
chk_value =[];
$(
'input[name="test"]:checked'
).each(
function
(){
chk_value.push($(
this
).val());
});
alert(chk_value.length==0 ?
'你还没有选择任何内容!'
:chk_value);
}
// --></mce:script>
对checkbox的其他几个操作
1. 全选
2. 取消全选
3. 选中所有奇数
4. 反选
5. 获得选中的所有值
js代码
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
>
<html xmlns=
"http://www.w3.org/1999/xhtml"
>
<head>
<meta http-equiv=
"Content-Type"
content=
"text/html; charset=utf-8"
/>
<title>louis-blog >> jQuery 对checkbox的操作</title>
<mce:script type=
'text/javascript'
src=
"http://leotheme.cn/wp-includes/js/jquery/jquery.js"
mce_src=
"http://leotheme.cn/wp-includes/js/jquery/jquery.js"
></mce:script>
<SCRIPT LANGUAGE=
"JavaScript"
>
<!--
$(
"document"
).ready(
function
(){
$(
"#btn1"
).click(
function
(){
$(
"[name='checkbox']"
).attr(
"checked"
,
'true'
);
//全选
})
$(
"#btn2"
).click(
function
(){
$(
"[name='checkbox']"
).removeAttr(
"checked"
);
//取消全选
})
$(
"#btn3"
).click(
function
(){
$(
"[name='checkbox']:even"
).attr(
"checked"
,
'true'
);
//选中所有奇数
})
$(
"#btn4"
).click(
function
(){
$(
"[name='checkbox']"
).each(
function
(){
//反选
if
($(
this
).attr(
"checked"
)){
$(
this
).removeAttr(
"checked"
);
}
else
{
$(
this
).attr(
"checked"
,
'true'
);
}
})
})
$(
"#btn5"
).click(
function
(){
//输出选中的值
var
str=
""
;
$(
"[name='checkbox'][checked]"
).each(
function
(){
str+=$(
this
).val()+
"/r/n"
;
//alert($(this).val());
})
alert(str);
})
})
-->
</SCRIPT>
</HEAD>
<body style=
"text-align:center;margin: 0 auto;font-size: 12px;"
mce_style=
"text-align:center;margin: 0 auto;font-size: 12px;"
>
<div style=
"border: 1px solid #999; width: 500px; padding: 15px; background: #eee; margin-top: 150px;"
>
<form name=
"form1"
method=
"post"
action=
""
>
<input type=
"button"
id=
"btn1"
value=
"全选"
>
<input type=
"button"
id=
"btn2"
value=
"取消全选"
>
<input type=
"button"
id=
"btn3"
value=
"选中所有奇数"
>
<input type=
"button"
id=
"btn4"
value=
"反选"
>
<input type=
"button"
id=
"btn5"
value=
"获得选中的所有值"
>
<br /><br />
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox1"
>
checkbox1
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox2"
>
checkbox2
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox3"
>
checkbox3
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox4"
>
checkbox4
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox5"
>
checkbox5
<input type=
"checkbox"
name=
"checkbox"
value=
"checkbox6"
>
checkbox6
</form>
</div>
</body>
</HTML>
|
本文转自 IT阿飞 51CTO博客,原文链接:http://blog.51cto.com/itafei/1941884