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
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<!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";}
h2{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
>
<
h2
>￥30个神灯币</
h2
>
<
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
>
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效果预览：
本文转自 小旭依然 51CTO博客，原文链接:
http://blog.51cto.com/xuyran/1827959
