day27-struts2---day02（ 类型转换，数据校验，国际化，拦截器）

类型转换器：

数据校验：

数据校验案例：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
  		"-//Apache Struts//XWork Validator 1.0.3//EN"
  		"http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
<validators>
	<field name="name">
		<field-validator type="requiredstring">
			<message>姓名不能够为空！</message>
		</field-validator>
		<field-validator type="stringlength">
			<param name="minLength">4</param>
			<param name="maxLength">16</param>
			<message>姓名长度必须在${minLength}-${maxLength}之间</message>
		</field-validator>
	</field>
	
	<field name="age">
		<field-validator type="required">
			<message>年龄不能够为空！</message>
		</field-validator>
		<field-validator type="int">
			<param name="min">4</param>
			<param name="max">16</param>
			<message>年龄大小必须在${min}-${max}之间</message>
		</field-validator>
	</field>
	
	<field name="birthday">
		<field-validator type="required">
			<message>生日不能够为空！</message>
		</field-validator>
		<field-validator type="date">
			<param name="min">1990-1-1</param>
			<param name="max">2016-12-12</param>
			<message>生日必须在${min}-${max}之间</message>
		</field-validator>
	</field>
	
	<field name="email">
		<field-validator type="email">
			<message>邮箱格式不正确！</message>
		</field-validator>
	</field>
	
	<field name="password">
		<field-validator type="required">
			<message>密码不能够为空！</message>
		</field-validator>
	</field>
	
	<field name="repassword">
		<field-validator type="fieldexpression">
			<param name="expression">password == repassword</param>
			<message>两次密码不一致！</message>
		</field-validator>
	</field>
	
</validators>

国际化：

拦截器：

拦截器案例：