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标题: struts2中jsp页面传值到action方式总结（1） [打印本页]

作者: look_w 时间: 2019-4-20 13:29 标题: struts2中jsp页面传值到action方式总结（1）

jsp页面跟通常的html传值一样通常有两种方式

1.form表单传值

2.url方式传值

通常后台接受前端传值都是用的 request.getParameter("username")

但是在struts框架下可以用set方法让action自动接收也更方便

所以 action接收值也有两种方式

1.request.getParameter("username")

2.set

下面记录多种组合方式,大家可以根据相应的情况选择使用:
方式一 jsp中form传值username,password, action中set方法接收

<%@taglib prefix="s" uri="/struts-tags" %>

<form action="getIp/login" method="post" name="form1">
         用户名：
         <s:textfield name="username" />
         <br />
         密码：
         <s:password name="password" />
         <br />
         <s:submit value="提交" />
      </form>

login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
      String path = request.getContextPath();
      String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<%@taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>login page</title>

</head>
<body>
      <form action="getIp/login" method="post" name="form1">
         用户名：
         <s:textfield name="username" />
         <br />
         密码：
         <s:password name="password" />
         <br />
         <s:submit value="提交" />
      </form>
</body>
</html>

loginAction.java

package action;

import com.opensymphony.xwork2.ActionSupport;

public class loginAction extends ActionSupport {
      /**
      * 登录
      */
      private static final long serialVersionUID = -6797327769546503535L;
      private String username;
      private String password;

      public String getUsername() {
         return username;
      }

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

      public String getPassword() {
         return password;
      }

      public void setPassword(String password) {
         this.password = password;
      }

      public String execute() {
         System.out.println("username:" + username);
         System.out.println("password:" + password);
         return SUCCESS;
      }

}

spring文件
action.xml

<?xml version="1.0" encoding="utf-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
      xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
      xmlns:mongo="http://www.springframework.org/schema/data/mongo"
      xmlns:context="http://www.springframework.org/schema/context"
      xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/s ... ing-context-3.1.xsd
      http://www.springframework.org/schema/aop
      http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">

   
   <bean id="login" class="action.loginAction">
      </bean>
</beans>

struts文件

action.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE struts PUBLIC
      "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
      "http://struts.apache.org/dtds/struts-2.1.7.dtd">
<struts>
      <package name="getIp" extends="json-default" namespace="/getIp">
      
         <action name="login"  class="login">
            <result type="json"></result>
         </action>
      </package>


</struts>

结果

成功传值

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