本文介绍如何利用jQuery EasyUI插件进行表单输入验证，包括文本长度、数值范围及日期选择等验证功能的实现。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script type="text/javascript" src="js/jquery-easyui-1.2.6/jquery-1.7.2.min.js"></script>
<link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.2.6/themes/default/easyui.css" />
<link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.2.6/themes/icon.css" />
<script type="text/javascript" src="js/jquery-easyui-1.2.6/jquery.easyui.min.js"></script>
<script type="text/javascript" src="js/jquery-easyui-1.2.6/locale/easyui-lang-zh_CN.js"></script>
<script>
$(function(){
//自定义校验起
$.extend($.fn.validatebox.defaults.rules,{
midLength:{
validator:function(value,param){
return value.length>=param[0] && value.length <=param[1];
},
message:''
},
equalLength:{
validator:function(value,param){
return value.length==param[0];
},
message:'密码必须为四位'
}
});
//数值验证组件
$('#age').numberbox({
min:0,
max:140,
required:true,
missingMessage:'年龄必填',
precision:0
});
//日期组件
$('#birthday').datebox({
required:true,
missingMessage:'生日必填！',
editable:false
});
$('#salary').numberbox({
min:1000,
max:20000,
required:true,
missingMessage:'薪资必填！',
precision:2
});
//日期控件组件
$('#startTime,#endTime').datebox({
required:true,
missingMessage:'时间必填',
editable:false
});
});
</script>
</head>
<body>
<div id="mydiv" class="easyui-panel" style="width:400px;height:350px" title="用户新增" >
<form action="" method="post">
<table>
<tr>
<td>用户名:</td>
<td><input type="text" name="username" class="easyui-validatebox" required=true validType="midLength[2,5]" missingMessage="用户名必填!" invalidMessage="用户名必须在2到5个字符之间!" value="" /></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="password" class="easyui-validatebox" required=true validType="equalLength[4]" missingMessage="密码必填!" value="" /></td>
</tr>
<tr>
<td>性别:</td>
<td>
男<input type="radio" checked="checked" name="sex" value="1" />
女<input type="radio" name="sex" value="2" />
</td>
</tr>
<tr>
<td>年龄:</td>
<td><input id="age" type="text" name="age" value="" /></td>
</tr>
<tr>
<td>出生日期:</td>
<td><input id="birthday" style="width:160px;" type="text" name="birthday" value="" /></td>
</tr>
<tr>
<td>所属城市:</td>
<td>
<input name="city" class="easyui-combobox" url="UserServlet?method=getCity" valueField="id" textField="name" value="" />
</td>
</tr>
<tr>
<td>薪水:</td>
<td><input id="salary" type="text" name="salary" value="" /></td>
</tr>
<tr>
<td>开始时间:</td>
<td><input id="startTime" style="width:160px;" type="text" name="startTime" value="" /></td>
</tr>
<tr>
<td>结束时间:</td>
<td><input id="endTime" style="width:160px;" type="text" name="endTime" value="" /></td>
</tr>
<tr>
<td>个人描述:</td>
<td><input type="text" name="description" class="easyui-validatebox" required=true validType="midLength[5,50]" missingMessage="个人描述必填!" invalidMessage="描述必须在5到50个字符之间!" value="" /></td>
</tr>
<tr align="center">
<td colspan="2">
<a class="easyui-linkbutton">保存</a>
</td>
</tr>
</table>
</form>
</div>
</body>
</html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script type="text/javascript" src="js/jquery-easyui-1.2.6/jquery-1.7.2.min.js"></script>
<link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.2.6/themes/default/easyui.css" />
<link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.2.6/themes/icon.css" />
<script type="text/javascript" src="js/jquery-easyui-1.2.6/jquery.easyui.min.js"></script>
<script type="text/javascript" src="js/jquery-easyui-1.2.6/locale/easyui-lang-zh_CN.js"></script>
<script>
$(function(){
//自定义校验起
$.extend($.fn.validatebox.defaults.rules,{
midLength:{
validator:function(value,param){
return value.length>=param[0] && value.length <=param[1];
},
message:''
},
equalLength:{
validator:function(value,param){
return value.length==param[0];
},
message:'密码必须为四位'
}
});
//数值验证组件
$('#age').numberbox({
min:0,
max:140,
required:true,
missingMessage:'年龄必填',
precision:0
});
//日期组件
$('#birthday').datebox({
required:true,
missingMessage:'生日必填！',
editable:false
});
$('#salary').numberbox({
min:1000,
max:20000,
required:true,
missingMessage:'薪资必填！',
precision:2
});
//日期控件组件
$('#startTime,#endTime').datebox({
required:true,
missingMessage:'时间必填',
editable:false
});
});
</script>
</head>
<body>
<div id="mydiv" class="easyui-panel" style="width:400px;height:350px" title="用户新增" >
<form action="" method="post">
<table>
<tr>
<td>用户名:</td>
<td><input type="text" name="username" class="easyui-validatebox" required=true validType="midLength[2,5]" missingMessage="用户名必填!" invalidMessage="用户名必须在2到5个字符之间!" value="" /></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="password" class="easyui-validatebox" required=true validType="equalLength[4]" missingMessage="密码必填!" value="" /></td>
</tr>
<tr>
<td>性别:</td>
<td>
男<input type="radio" checked="checked" name="sex" value="1" />
女<input type="radio" name="sex" value="2" />
</td>
</tr>
<tr>
<td>年龄:</td>
<td><input id="age" type="text" name="age" value="" /></td>
</tr>
<tr>
<td>出生日期:</td>
<td><input id="birthday" style="width:160px;" type="text" name="birthday" value="" /></td>
</tr>
<tr>
<td>所属城市:</td>
<td>
<input name="city" class="easyui-combobox" url="UserServlet?method=getCity" valueField="id" textField="name" value="" />
</td>
</tr>
<tr>
<td>薪水:</td>
<td><input id="salary" type="text" name="salary" value="" /></td>
</tr>
<tr>
<td>开始时间:</td>
<td><input id="startTime" style="width:160px;" type="text" name="startTime" value="" /></td>
</tr>
<tr>
<td>结束时间:</td>
<td><input id="endTime" style="width:160px;" type="text" name="endTime" value="" /></td>
</tr>
<tr>
<td>个人描述:</td>
<td><input type="text" name="description" class="easyui-validatebox" required=true validType="midLength[5,50]" missingMessage="个人描述必填!" invalidMessage="描述必须在5到50个字符之间!" value="" /></td>
</tr>
<tr align="center">
<td colspan="2">
<a class="easyui-linkbutton">保存</a>
</td>
</tr>
</table>
</form>
</div>
</body>
</html>
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