FirstStrust2

来源：互联网发布：lg d2341软件编辑：程序博客网时间：2024/06/05 00:07

1.Today will show you the single example about strust2.

//Step One

<%@ 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>Start Strust2</title></head><body><!-- This is a Start page of strust2 --><a href="input.action"> Strust</a></body></html>

//Step Two

package iparhan.filter;import java.io.IOException;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.ServletException;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import javax.servlet.http.HttpServletRequest;public class FirstFilter implements Filter {public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {HttpServletRequest request2 = (HttpServletRequest) request;/** * 1.from index.jsp  to input.jsp *///1.getservletPathString realPath = request2.getServletPath();//the path after jumpString path = null;//2.judge itif("/input.action".equals(realPath)){path = "input.jsp";}/** * 2.from input.jsp t details.jsp */if("/save.action" .equals(realPath)){//1.get parameterString id = request.getParameter("id");String username = request.getParameter("username");String password = request.getParameter("password");String phono = request.getParameter("phono");//2. create aobjectDemoFilter demoFilter =  new DemoFilter(id, username, password, phono);//3.show itSystem.out.println(demoFilter);//4.save it  path = "details.jsp";//judge is it empty}if(path != null){request.getRequestDispatcher(path).forward(request, response);return;}chain.doFilter(request, response);}public void init(FilterConfig fConfig) throws ServletException {}@Overridepublic void destroy() {}}

//Step Thee

<%@ 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="save.action">Username :<input type="text" name="username"><br/>Password :<input type="text" name ="password"><br/> Phono :<input type="text" name ="phono" ><rbr/><input type="submit" value="Strust"></form></body></html>

//Step Four

package iparhan.filter;public class DemoFilter {private String id;private String username;private String password;private String phono;public String getId() {return id;}public void setId(String id) {this.id = id;}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 getPhono() {return phono;}public void setPhono(String phono) {this.phono = phono;}public DemoFilter(String id, String username, String password, String phono) {super();this.id = id;this.username = username;this.password = password;this.phono = phono;}public DemoFilter() {super();// TODO Auto-generated constructor stub}@Overridepublic String toString() {return "DemoFilter [id=" + id + ", username=" + username + ", password=" + password + ", phono=" + phono + "]";}}

//Step Five

<%@ 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>after save message</title></head><body>Id : ${requestScope.demoFilter.id }<br/>Username :${requestScope.demoFilter.username }<br/>Password: ${requestScope.demoFilter.password }<br/>Phono :${requestScope.demoFilter.phono }</body></html>

//Step Six

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">  <display-name>FirstFilter</display-name>  <welcome-file-list>    <welcome-file>index.html</welcome-file>      </welcome-file-list>  <filter>    <display-name>FirstFilter</display-name>    <filter-name>FirstFilter</filter-name>    <filter-class>iparhan.filter.FirstFilter</filter-class>  </filter>  <filter-mapping>    <filter-name>FirstFilter</filter-name>    <url-pattern>/FirstFilter</url-pattern>  </filter-mapping>  <filter-mapping>    <filter-name>FirstFilter</filter-name>    <url-pattern>*.action</url-pattern>  </filter-mapping></web-app>

It,s Over , if you finish it step by step and you will success. Good luck!

Iparhan_Java 2016-7-4

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