文章标题
Struts的校验
2框架验证 Action:
package com.pb.web.action;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.opensymphony.xwork2.ActionSupport;
import com.pb.entity.User;
public class UserAction3 extends ActionSupport {
private User user;
public String register() throws Exception {
System.out.println("=========完成注册信息======");
return SUCCESS;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
对应的配置文件(在同一级目录下配置文件) <?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>
<!-- 用户名验证-->
<field name="user.username">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>用户名不能为空!</message>
</field-validator>
<field-validator type="stringlength">
<param name="minLength">4</param>
<param name="maxLength">16</param>
<param name="trim">true</param>
<message>用户名必须为${minLength}至${maxLength}个字符!,当前为${user.username}</message>
</field-validator>
</field>
<!--密码 -->
<field name="user.password">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>密码不能为空!</message>
</field-validator>
<field-validator type="stringlength">
<!--去掉前后的空格 -->
<param name="trim">true</param>
<param name="minLength">6</param>
<param name="maxLength">20</param>
<message>密码必须为${minLength}至${maxLength}个字符,当前为${user.password}</message>
</field-validator>
</field>
<!--年龄 -->
<field name="user.age">
<field-validator type="required">
<param name="trim">true</param>
<message>年龄不能为空</message>
</field-validator>
<field-validator type="int">
<param name="trim">true</param>
<param name="min">1</param>
<param name="max">200</param>
<message>年龄为${min}---${max}岁之间</message>
</field-validator>
</field>
<field name="user.email">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>邮箱不能为空</message>
</field-validator>
<field-validator type="email">
<param name="trim">true</param>
<message>邮箱格式不正确!</message>
</field-validator>
</field>
</validators>
对应的jsp
`这里写代码片`<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>注册页面</title>
</head>
<body>
<!-- 判断字段是否有错误信息-->
<s:if test="hasFieldErrors()">
<h1 align="center">输出错误字段信息</h1>
<div align="center" style="color:blue;">
使用s:fielderror输出全部的错误信息
<s:fielderror />
</div>
</s:if>
<h1>ActionName-validation.xml较验</h1>
<!-- 必须加上namespace不然不起作用-->
<s:form action="register3.action" method="post" namespace="/" >
<s:textfield label="用户名" name="user.username"/>
<s:password label="密码" name="user.password"/>
<s:textfield label="年龄" name="user.age" />
<s:textfield label="邮箱" name="user.email"/>
<s:submit value="提交" /><s:reset value="重置" /><br/>
</s:form>
<s:debug/>
</body>
</html>
3ActionSupport 太长了就不贴了(注意一下struts标签的select写法) 顺便贴一下工具类inputchecker工具类里面的方法 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |