前端复选框处理(全选、全部选、反选、拼成字符串)

<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<script language="javascript">
//全选和全不选(第一个参数为复选框名称,第二个参数为是全选还是全不选)
function allCheck(name,boolValue) {
	debugger;
	var allvalue = document.getElementsByName(name); 
	for (var i = 0; i < allvalue.length; i++) {      
		if (allvalue[i].type == "checkbox")           
			allvalue[i].checked = boolValue;           
	}
	toMyString(name);
}
//反选 参数为复选框名称
function reserveCheck(name){
	var revalue = document.getElementsByName(name); 
	for(i=0;i<revalue.length;i++){
   		if(revalue[i].checked == true) 
			revalue[i].checked = false;
  		else 
			revalue[i].checked = true;
	}
}

//拼成字符串方便传递到后端控制层处理
function toMyString(name){
	var myvalue = document.getElementsByName(name); 
	var myName = "";
	for (var i = 0; i < myvalue.length; i++) {
		if(myvalue[i].checked){
			myName += myvalue[i].value+",";
		}
	}
	alert("myName:"+myName);
}
</script>
<body >
<div >
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择1
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择2
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择3
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择4
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择5
    <p></p>
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择6
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择7
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择8
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择9
    <label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择10
    <p></p>
    <a href="javascript:allCheck('choice',true)">全选</a> 
	<a href="javascript:allCheck('choice',false)">全不选</a> 
	<a href="javascript:reserveCheck('choice')">反选</a> 
</div>
</body>
</html>

在这里插入图片描述

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转载自blog.csdn.net/yeyiting/article/details/85052599