Mui-js获取单选框值

橙三吉。 提交于 2020-03-08 18:17:15
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
        <title></title>
        <script src="js/mui.min.js"></script>
        <link href="css/mui.min.css" rel="stylesheet" />
        <script type="text/javascript" charset="utf-8">
            mui.init();
        </script>

    </head>

    <body>
        <header class="mui-bar mui-bar-nav">
            <!--顶部导航栏-带返回键-->
            <a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
            <h1 class="mui-title">测试属性checkbox</h1>
        </header>
        <div class="mui-content">
            <div class="mui-input-row mui-radio mui-left"><!--mui-left表示复选框在左侧-->
                <label>王者</label>
                <input name="checkbox1" value="王者" type="radio"  class="rds"><!--checked="checked"默认选中;class="rds"方便获取dom节点-->
            </div>
            <div class="mui-input-row mui-radio mui-left"><!--mui-radio单选框-->
                <label>搬砖</label>
                <input name="checkbox1" value="搬砖" type="radio" class="rds"><!--注意单选框的name必须一致,表示是一个组内的选项-->
            </div>
            <button type="button" onclick="getVals();">获取值</button>
        </div>
        <script type="text/javascript">
            function getVals(){
                var res = getRadioRes('rds');
                if(res == null){
                    mui.toast('请选择');
                    return;
                }
                mui.toast(res);
            }
            function getRadioRes(className){
                var rdsObj = document.getElementsByClassName(className);/*获取值*/
                /*alert(rdsObj.length);测试一下找到几个节点*/
                var checkVal = null;
                for(i = 0; i< rdsObj.length; i++){
                    if(rdsObj[i].checked){
                        checkVal = rdsObj[i].value;
                    }
                }
                return checkVal;
            }
        </script>
    </body>

</html>

 

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