复制代码 代码如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<link href="css/ingrid.css" rel="stylesheet" type="text/css">
<script language="JavaScript" src="/UploadFiles/2021-04-02/jquery-1.3.2.js"> <SCRIPT LANGUAGE="JavaScript">
<!--
$("document").ready(function(){
$("#all").click(function(){
if(this.checked){
$("input[name='checkbox']").each(function(){this.checked=true;});
$("#btn1").attr("value","反选");
}else{
$("input[name='checkbox']").each(function(){this.checked=false;});
$("#btn1").attr("value","全选");
}
});
$("#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(){
$("[name='checkbox']").each(function(){
if($(this).attr("checked"))
{
$(this).removeAttr("checked");
}
else
{
$(this).attr("checked",'true');
}
})
})
$("#btn5").click(function(){
var str="";
$("[name='checkbox'][checked]").each(function(){
str+=$(this).val()+"/r/n";
})
alert(str);
})
})
//-->
</SCRIPT>
</HEAD>
<BODY>
<form name="form1" method="post" action="">
<input type="checkbox" id="all" name="all">
<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>
<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
<input type="checkbox" name="checkbox" value="checkbox7">
checkbox7
<input type="checkbox" name="checkbox" value="checkbox8">
checkbox8
</form>
</BODY>
</HTML>