本文实例讲述了layui.js实现的表单验证功能。分享给大家供大家参考，具体如下：
该示例可针对文本框，手机，邮箱，textarea等格式进行验证
首先引入如下文件：
<script src="layui/layui.js"></script> <script src="layui/lay/dest/layui.all.js"></script> <link rel="stylesheet" href="layui/css/layui.css" rel="external nofollow" rel="external nofollow" >
HTML代码：
<form class="layui-form" action=""> <div class="layui-form-item"> <label class="layui-form-label">反馈主题</label> <div class="layui-input-block"> <input name="title" class="layui-input" type="text" placeholder="请输入标题" autocomplete="off" lay-verify="title"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">姓名</label> <div class="layui-input-block"> <input name="fname" class="layui-input" type="text" placeholder="请输入姓名" autocomplete="off" lay-verify="fname"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">手机</label> <div class="layui-input-block"> <input name="phone" class="layui-input" type="tel" autocomplete="off" placeholder="请输入手机" lay-verify="phone"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">邮箱</label> <div class="layui-input-block"> <input name="email" class="layui-input" type="text" autocomplete="off" placeholder="请输入邮箱" lay-verify="email"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">单选框</label> <div class="layui-input-block"> <input name="sex" title="男" type="radio" checked="" value="男"> <input name="sex" title="女" type="radio" value="女"> <input name="sex" title="保密" type="radio" value="密"> </div> </div> <!--<div class="layui-form-item layui-form-text"> <label class="layui-form-label">普通文本域</label> <div class="layui-input-block"> <textarea class="layui-textarea" placeholder="请输入内容">请输入内容</textarea> </div> </div>--> <div class="layui-form-item layui-form-text"> <label class="layui-form-label">内容</label> <div class="layui-input-block"> <textarea class="layui-textarea layui-hide" name="contact" id="LAY_demo_editor" lay-verify="contact"></textarea> </div> </div> <div class="layui-form-item"> <div class="layui-input-block"> <button class="layui-btn" lay-filter="demo2" lay-submit="">跳转式提交</button> <button class="layui-btn" lay-filter="demo1" lay-submit="">立即提交</button> <button class="layui-btn layui-btn-primary" type="reset">重置</button> </div> </div> </form>
js验证代码
<script>
layui.use(['form', 'layedit', 'laydate'], function(){
var form = layui.form()
,layer = layui.layer
,layedit = layui.layedit
,laydate = layui.laydate;
//自定义验证规则
form.verify({
title: function(value){
if(value.length < 5){
return '标题至少得5个字符啊';
}
}, fname: function(value){
if(value.length < 4){
return '请输入至少4位的用户名';
}
}, contact: function(value){
if(value.length < 4){
return '内容请输入至少4个字符';
}
}
,phone: [/^1[3|4|5|7|8]d{9}$/, '手机必须11位，只能是数字！']
,email: [/^[a-z0-9._%-]+@([a-z0-9-]+.)+[a-z]{2,4}$|^1[3|4|5|7|8]d{9}$/, '邮箱格式不对']
});
//创建一个编辑器
layedit.build('LAY_demo_editor');
//监听提交
form.on('submit(demo1)', function(data){
layer.alert(JSON.stringify(data.field), {
title: '最终的提交信息'
})
return false;
});
});
</script>
完整示例代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>www.gimoo.net layui 表单验证</title>
<script src="layui/layui.js"></script>
<script src="layui/layui.all.js"></script>
<link rel="stylesheet" href="layui/css/layui.css" rel="external nofollow" rel="external nofollow" >
</head>
<body>
<form class="layui-form" action="">
<div class="layui-form-item">
<label class="layui-form-label">反馈主题</label>
<div class="layui-input-block">
<input name="title" class="layui-input" type="text" placeholder="请输入标题" autocomplete="off" lay-verify="title">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">姓名</label>
<div class="layui-input-block">
<input name="fname" class="layui-input" type="text" placeholder="请输入姓名" autocomplete="off" lay-verify="fname">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">手机</label>
<div class="layui-input-block">
<input name="phone" class="layui-input" type="tel" autocomplete="off" placeholder="请输入手机" lay-verify="phone">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">邮箱</label>
<div class="layui-input-block">
<input name="email" class="layui-input" type="text" autocomplete="off" placeholder="请输入邮箱" lay-verify="email">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">单选框</label>
<div class="layui-input-block">
<input name="sex" title="男" type="radio" checked="" value="男">
<input name="sex" title="女" type="radio" value="女">
<input name="sex" title="保密" type="radio" value="密">
</div>
</div>
<!--<div class="layui-form-item layui-form-text">
<label class="layui-form-label">普通文本域</label>
<div class="layui-input-block">
<textarea class="layui-textarea" placeholder="请输入内容">请输入内容</textarea>
</div>
</div>-->
<div class="layui-form-item layui-form-text">
<label class="layui-form-label">内容</label>
<div class="layui-input-block">
<textarea class="layui-textarea layui-hide" name="contact" id="LAY_demo_editor" lay-verify="contact"></textarea>
</div>
</div>
<div class="layui-form-item">
<div class="layui-input-block">
<button class="layui-btn" lay-filter="demo2" lay-submit="">跳转式提交</button>
<button class="layui-btn" lay-filter="demo1" lay-submit="">立即提交</button>
<button class="layui-btn layui-btn-primary" type="reset">重置</button>
</div>
</div>
</form>
<script>
layui.use(['form', 'layedit', 'laydate'], function(){
var form = layui.form()
,layer = layui.layer
,layedit = layui.layedit
,laydate = layui.laydate;
//自定义验证规则
form.verify({
title: function(value){
if(value.length < 5){
return '标题至少得5个字符啊';
}
}, fname: function(value){
if(value.length < 4){
return '请输入至少4位的用户名';
}
}, contact: function(value){
if(value.length < 4){
return '内容请输入至少4个字符';
}
}
,phone: [/^1[3|4|5|7|8]d{9}$/, '手机必须11位，只能是数字！']
,email: [/^[a-z0-9._%-]+@([a-z0-9-]+.)+[a-z]{2,4}$|^1[3|4|5|7|8]d{9}$/, '邮箱格式不对']
});
//创建一个编辑器
layedit.build('LAY_demo_editor');
//监听提交
form.on('submit(demo1)', function(data){
layer.alert(JSON.stringify(data.field), {
title: '最终的提交信息'
})
return false;
});
});
</script>
</body>
</html>
运行效果如下：
附：layui插件源码可点击此处本站下载。
另外，其他验证功能还可参考本站http://www.gimoo.net/article/96722.htm
希望本文所述对大家基于layui框架的程序设计有所帮助。
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