Struts2方法调用

最新推荐文章于 2020-11-09 16:29:09 发布

yutao_Struggle

最新推荐文章于 2020-11-09 16:29:09 发布

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分类专栏： struts2 文章标签： struts配置笔记方法调用

本文链接：https://blog.youkuaiyun.com/yutao_Struggle/article/details/73384961

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struts配置

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <constant name="struts.enable.DynamicMethodInvocation" value="true" />
    <constant name="struts.devMode" value="true" />
    <!-- <constant name="struts.action.extension" value="jps"/> -->

    <package name="default" namespace="/" extends="struts-default">

        <!-- 定义mmethod的属性方法调用 -->
        <action name="login" class="com.yt.web.struts.controllers.LoginAction" method="regist">
        </action>
        <!-- 通配符方法调用 -->
        <action name="*" class="com.yt.web.struts.controllers.LoginAction" method="{1}">
        </action>
        <!-- 动态方法调用使用！将方法 -->       
        <action name="login1" class="com.yt.web.struts.controllers.LoginAction">
        </action>


        <!-- 不定义class，默认的ActionSupport处理 -->
        <action name="default" >
        <result>/index.jsp</result>
        </action>

    </package>
</struts>

Action

public class LoginAction implements Action{
    private String username;
    private String pass;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPass() {
        return pass;
    }

    public void setPass(String pass) {
        this.pass = pass;
    }

    @Override
    public String execute() throws Exception {
        System.out.println(username+""+pass);

        return null;
    }
    public String regist(){
        if(username==null||pass==null){
            System.out.println("用户名或密码错误");
            return NONE;
        }else{
            System.out.println("regist");
            return NONE;
        }

    }
    public String addUser(){
        System.out.println("User");
        return NONE;
    }

}

jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <form action="login" method="post">
        用户名：<input type="text"  name="username"/><br/>
        密码：<input type="password" name="pass"/><br/>
        <input type="submit" value="提交"/>
    </form>

    <!-- struts中定义method属性调用方法 -->
    <a href="${pageContext.request.contextPath}/login">普通调用</a>

    <!-- 通配符*方法调用 -->
    <a href="${pageContext.request.contextPath}/addUser">addUser</a>
    <a href="${pageContext.request.contextPath }/regist">regist</>

    <!-- 动态方法调用 -->
    <a href="${pageContext.request.contextPath }/login1!addUser">dyAddUser</a>
    <a href="${pageContext.request.contextPath }/login1!regist"/>dyRegist</a>
</body>
</html>