Struts2 模型验证实例

来源：互联网发布：mysql gtid主从区别编辑：程序博客网时间：2024/05/29 10:20

package com.model;public class User {    private String username;    private int age;    public String getUsername() {        return username;    }    public void setUsername(String username) {        this.username = username;    }    public int getAge() {        return age;    }    public void setAge(int age) {        this.age = age;    }}

package com.action;import com.model.User;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;public class Login extends ActionSupport implements ModelDriven<User>{    private User user=new User();    public User getUser() {        return user;    }    public void setUser(User user) {        this.user = user;    }    @Override    public User getModel() {        return user;    }    @Override    public String execute() throws Exception {        System.out.println(user.getUsername());        return super.execute();    }}

<?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="user.username">        <field-validator type="requiredstring">            <message>名字不能为空</message>        </field-validator>    </field>    <field name="user.age">        <field-validator type="int">            <param name="min">18</param>            <param name="max">60</param>            <message>年龄必须在${min}到${max}之间</message>        </field-validator>    </field></validators>

<%--  Created by IntelliJ IDEA.  User: root  Date: 16-9-8  Time: 下午3:10  To change this template use File | Settings | File Templates.--%><%@ page contentType="text/html;charset=UTF-8" language="java" %><%@taglib prefix="s" uri="/struts-tags" %><html><head>    <title>Modelindex</title></head><body><s:form action="login" method="POST">    <s:textfield name="user.username"  label="帐号"></s:textfield>    <s:textfield name="user.age"  label="年龄"></s:textfield>    <s:submit value="提交"></s:submit></s:form></body></html>

0 0