模版：XxxAction-validation.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC 
	"-//OpenSymphony Group//XWork Validator 1.0//EN" 
	"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<-- 1.必填字符串校验器 -->
<validators>
	<field name="name">
		<field-validator type="requiredstring">
			<!--去空格-->
			<param name="trim">true</param>
			<message>姓名是必需的！</message>
		</field-validator>
	</field>
</validators>

<-- 2.必填校验器 -->
<validators>
	<field name="name">
		<field-validator type="required">
			<message>姓名是必需的！</message>
		</field-validator>
	</field>
</validators>

<-- 3.整数校验器 -->
<validators>
	<field name="age">
		<field-validator type="int">
			<param name="min">18</param>
			<param name="max">100</param>
			<message>年龄必须在18至100之间</message>
		</field-validator>
	</field>
</validators>

<-- 4.日期校验器 -->
<validators>
	<field name="date">
		<field-validator type="date">
			<param name="min">1980-01-01</param>
			<param name="max">2009-12-31</param>
			<message>日期必须在1980-01-01至2009-12-31之间</message>
		</field-validator>
	</field>
</validators>

<-- 5.邮件地址校验器 -->
<validators>
	<field name="email">
		<field-validator type="email">
			<message>必须输入有效的电子邮件地址 </message>
		</field-validator>
	</field>
</validators>

<-- 6.网址校验器 -->
<validators>
	<field name="url">
		<field-validator type="url">
			<message>必须输入有效的网址 </message>
		</field-validator>
	</field>
</validators>

<-- 7.字符串长度校验器 -->
<validators>
	<field name="password">
		<field-validator type="stringlength">
			<param name="minLength">6</param>
			<param name="maxLength">20</param>
			<message>密码长度必须在6到20之间</message>
		</field-validator>
	</field>
</validators>

<-- 8.正则表达式校验器 -->
<validators>
	<field name="xh">
		<field-validator type="regex">
			<param name="expression"><![CDATA[(d{6})]]></param>
			<message>学号必须是6位的数字</message>
		</field-validator>
	</field>
</validators>

（编辑：李大同）

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