jquery1.11 操作checkbox:全选、取消全选、获取选择元素、获取取消选择元素(总结)

jquery1.11.1版本完成对checkbox的操作

1. 使用属性prop设置选中状态

2.使用:checked和:not(:checked)获取选中的元素

源码:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>测试CheckBox</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<style>
    div.content{
        width:30%;
        margin:auto;
        border:1px dotted #0000ff;
        background-color: #ffa0a0;
        padding:10px;
    }
    div.sel span{
        display: block;
    }
    .mt_s{
        margin-top:5px;
    }
</style>
</head>
<body>
    <div class="content">
        <h1>测试CheckBox</h1>
        <div class="sel mt_s">
            <span >按钮1<input type="checkbox" class="c1"></span>
            <span>按钮2<input type="checkbox" class="c2"></span>
            <span>按钮3<input type="checkbox" class="c3"></span>
            <span>按钮4<input type="checkbox" class="c4"></span>
            <span>按钮5<input type="checkbox" class="c5"></span>
        </div>
        <div class="op mt_s">
            <button onclick="selectAll(true)">全选</button>
            <button onclick="selectAll(false)">全消</button>
            <button onclick="getCheck(true)">获取选择数据</button>
            <button onclick="getCheck(false)">获取未选择数据</button>
        </div>
        <div class="sta mt_s">
            <span class="blue"><strong>结果:</strong></span><span class="status"></span>
        </div>
    </div>
<script src="http://apps.bdimg.com/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
    "use strict";
    //全选/取消全选
    function selectAll(bcheck){
        var sel = getsel();
        log(sel);
        sel.prop("checked",bcheck);
    }
    //获取选中/未选中的记录
    function getCheck(bcheck){
        var sel = getsel();
        var c;
        if(bcheck){
            c = sel.filter(":checked");
        }
        else{
            c = sel.filter(":not(:checked)");
        }
        setStatus(c);
    }

    //获取全部checkbox
    function getsel(){
        return $(".sel input:checkbox");
    }
    //更新查询结果
    function setStatus(s){
        var cName="";
        log(s);
        for(var i=0;i<s.length;i++){
            cName +=$(s[i]).attr("class");
            if(i<s.length-1){
                cName +=","
            }
        }
        cName = cName==""?"没有数据":cName;
        $(".status").text(cName);
    }
    //记录控制台信息
    function log(s){
        console.log(s);
    }
</script>
</body>
</html>
View Code

效果图:

原文地址:https://www.cnblogs.com/WebMobile/p/4158692.html