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<div id="abc">
<input name="a" type="checkbox" value="1"/>
<input name="a" type="checkbox" value="2"/>
<input name="a" type="checkbox" value="3"/>
</div>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script>
var obj=document.getElementById('abc').getElementsByTagName('input');
for(var i=0;i<obj.length;i++){
obj[i].onclick = function(){
var o=this;
return $.get("photo3.aspx",{"value":this.value},function(data){
if(data=="True")o.checked=o.checked
else o.checked=!o.checked
});
}
}
</script>
<%
if request("value") = 3 then
response.write( true)
else
response.write( false)
end if
%>
$.getJSON("employeeManage.do?dispatch=getEmployeeDetail&code="+ecode , "cache="+new Date(), function(json){
var roleArray = eval(json.role);
var obj = document.getElementsByName("checkbox");
for (var i = 0;i< obj.length;i++){
for(var j=0;j<roleArray.length;j++){
if(roleArray[j]==obj[i].value){
obj[i].checked=true;
break;
}
}
}
});
<%@ language="javascript" %>
<html>
<head>
<%
var cars;
cars=Request.Form("cars")
%>
</head>
<body>
<form action="test_checkbox.asp" method="post">
<p>请选择您喜欢的汽车:</p>
<input type="checkbox" name="cars"
<% if (cars=="Volvo") Response.Write("checked")%>
value="Volvo">Volvo
<br />
<input type="checkbox" name="cars"
<% if (cars=="Saab") Response.Write("checked")%>
value="Saab">Saab
<br />
<input type="checkbox" name="cars"
<% if (cars=="BMW") Response.Write("checked")%>
value="BMW">BMW
<br /><br />
<input type="submit" value="提交" />
</form>
<%
Response.Write(cars);
if (String(cars) != null)
Response.Write("<p>您喜欢的汽车是" + cars + "</p>")
%>
</body>
</html>
<div id="abc">
<input name="a" type="checkbox" value="1">
<input name="a" type="checkbox" value="2">
<input name="a" type="checkbox" value="3">
</div>
<script>
var obj=document.getElementById('abc').getElementsByTagName('input');
for(var i=0;i<obj.length;i++){
if(obj[i].checked == false ){
//alert(obj[i].value);
obj[i].onclick = function(){
if( this.value == 3 ){
this.checked = true ;
}else{
this.checked = false ;
}
}
}
}
//循环input,如果input的值为3则可以选中,否则不能选中
</script>