使用手动配置的方式开发第一个Struts项目的步骤以及实例

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一先创建一个web工程

二引入struts的开发包到项目

从http://struts.apache.org下载

三编写login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>My JSP 'login.jsp' starting page</title>

<!--

-->

</head>

<body>

u:<input type="text" name="username"><br/>

p:<input type="password" name="password"><br/>

</form>

</body>

</html>

四编写ActonForm（用户表单）和Action（登录小队长）

package com.cakin.forms;

//这是一个用户表单，用于填充数据的

import org.apache.struts.action.ActionForm;

public class UserForm extends ActionForm {

//定义属性【属性名应该和jsp页面的控件名称一致】

//如果有人提出疑问：表单名字是不是一定要和控件名称一样？不一定，但要保证get和set方法的名字和

//控件名称一致

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;

}

package com.cakin.actions;

//这是一个action（表示小队长，需要继承Action）

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

import com.cakin.forms.UserForm;

public class LoginAction extends Action {

//我们需要重新编写一个方法：execute会被自动调用，有点类似servlet的service方法。

@Override

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response)

throws Exception {

//把form转成对应的UserForm对象

UserForm userForm=(UserForm)form;

//简单验证

if("123".equals(userForm.getPassword())){

return mapping.findForward("ok");

}

else{

return mapping.findForward("err");

}

五编写struts-config.xml文件，该文件用于配置action actionForm以及对应关系，跳转位置，一般放在/WEB-INF目录下

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

<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" "http://struts.apache.org/dtds/struts-config_1_3.dtd">;

<struts-config>

<form-beans>

<form-bean name="userForm" type="com.cakin.forms.UserForm"></form-bean>

</form-beans>

<action-mappings>

</action>

</action-mappings>

</struts-config>

六写出welcome.jsp页面

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>My JSP 'wel.jsp' starting page</title>

<!--

-->

</head>

<body>

welcome <br>

</body>

</html>

七配置web.xml中的ActionServlet

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

<web-app xmlns="http://java.sun.com/xml/ns/javaee"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; version="2.5" xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";>

<display-name />

<servlet-name>action</servlet-name>

<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>

<init-param>

<param-name>config</param-name>

<param-value>/WEB-INF/struts-config.xml</param-value>

</init-param>

<init-param>

<param-name>debug</param-name>

<param-value>3</param-value>

</init-param>