同时满足多个文本框不为空值按钮呈现可用激活状态disabled
更新:HHH   时间:2023-1-7


项目需要,自己写了一个jquery代码,该代码需要满足两个文本框都不为空值,按钮才可用激活状态。

请转载此文的朋友务必附带原文链接,谢谢。

原文链接:http://xuyran.blog.51cto.com/11641754/1827959

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
		<script src="../../js/jquery.js"></script>
		<script src="../../js/mui.min.js"></script>
		<link href="../../css/mui.min.css" rel="stylesheet" />
		<link rel="stylesheet" href="../../css/iconfont.css">
		<link rel="stylesheet" href="../../css/app.css">
		<title>红包设置</title>
        <script>
        	$(document).ready( function(){
        		 $(".mui-input-row input").keyup(function(){
        		 	var value2 = $(this).parent().siblings().find("input").val();
        		
	        if( this.value !=""&& value2 !=""){
	        	$(".sc-btn button").attr("disabled",false);
	        }else{$(".sc-btn button").attr("disabled",true);}
	      });

        		
});
        </script>
		<style>
		    html,body{background: #fef9f4;}
			.mui-content{padding-top: 20px;background: #fef9f4;}
			.mui-input-row,.mui-input-row:last-child{width: 90%;margin: auto;background: #FFFFFF;margin-bottom: 10px;}
			.mui-input-row label{font-family: "微软雅黑";}
			h3{text-align: center;font-weight: normal;padding: 40px 0 0;}
			.sc-btn{width: 90%;margin: auto;padding-top: 80px;}
			.mui-btn-block{padding: 10px 0;}
			.mui-btn-blue{background: #a02227;border: none;}
			.mui-btn-blue.focus-active{background: #a02227;}
		</style>
		
	</head>
	<body>
		<div class="mui-content">
		<div class="mui-input-row">
		    <label>红包个数</label>
		    <input type="text" placeholder="填写红包个数">
		</div>
		<div class="mui-input-row">
		    <label>单个金额</label>
		    <input type="text" placeholder="填写神灯币">
		</div>
		<h3>¥30个神灯币</h3>
		 <div class="sc-btn">
		  <button type="button" class="mui-btn mui-btn-blue mui-btn-block" disabled="disabled">付款</button>
		   </div>
		</div>
	</body>
</html>

效果预览:


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