structs2 项目开发总结
2016-12-17 18:07
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转载他人的文章：只为传播知识，谢谢合作！
http://blog.sina.com.cn/s/blog_6cbe0cff0101j6jl.html
request.getContextPath()
http://www.cnblogs.com/yqskj/articles/2226401.html
http://blog.csdn.net/clj198606061111/article/details/6712248
http://blog.csdn.net/znwnymys/article/details/52507136
http://blog.csdn.net/e421083458/article/details/8769256
管理员：
create database se ;
表 admin
create table admin (
id int not null primary key auto_increment ,
name varchar(45) not null ,
pwd varchar(45) not null
);
insert into admin values( 1 , '旺旺管员' , '123' );
------------------ -----------------------------------
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
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>
<base href="<%=basePath%>">
<title>后台管理系统</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript">
function form_submit(){
document.getElementById("login").submit();
}
function form_reset(){
document.getElementById("login").reset();
}
</script>
<style type="text/css">
body{
background-color: #111111;
}
</style>
</head>
<body>
<div align="center">
<s:form action="admin" id="login" theme="simple">
<table >
<tr>
<td background="images/login_07.gif" height="84px">
<table>
<tr height="30px">
<td>
用户名：
</td>
<td>
<input type="text" name="name" />
</td>
</tr>
<tr height="30px">
<td>
密 码：
</td>
<td>
<input type="password" name="pwd" />
</td>
</tr>
</table>
</td>
<td height="84px">
<div id="center_middle_right"></div>
</td>
<td background="images/login_09.gif" height="84px">
<table style="margin-top: 0px;">
<s:submit type="image" src="images/dl.gif" id="id_log"
method="adminLogin">
</s:submit>
</table>
<img src="images/cz.gif" width="60" height="20"
onclick="form_reset()"
style="margin-left: 3px; margin-top: 6px;">
</td>
</tr>
</table>
</s:form>
</div>
</body>
</html>
------------------------------------------------
web.xml文档代码：
<?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/javaeehttp://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>structs2_3</display-name>
<filter>
<!-- 指定Filter的名字，不能为空 -->
<filter-name>struts2</filter-name>
<!-- 指定Filter的实现类，此处使用的是Struts2提供的拦截器类 -->
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter>
<!-- 指定Filter的名字，不能为空 -->
<filter-name>strutsFilterDispatcher</filter-name>
<!-- 指定Filter的实现类，此处使用的是Struts2提供的拦截器类 -->
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<!-- Filter的名字，该名字必须是filter元素中已声明过的过滤器名字 -->
<filter-name>struts2</filter-name>
<!-- 定义Filter负责拦截的URL地址 -->
<url-pattern>*.action</url-pattern>
</filter-mapping>
<filter-mapping>
<!-- Filter的名字，该名字必须是filter元素中已声明过的过滤器名字 -->
<filter-name>strutsFilterDispatcher</filter-name>
<!-- 定义Filter负责拦截的URL地址 -->
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
-------------------------------
struts。xml 文档代码：
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.multipart.maxSize" value="1000701096" />
<package name="default" extends="struts-default">
<action name="admin" class="com.action.Login">
<result name="success">/admin/test.jsp</result>
<result name="loginerror">/admin/loginerror.jsp</result>
<result name="exit">/admin/index.jsp</result>
</action>
</package>
</struts>
---------------------------------------------------------
package com.action;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.ServletActionContext;
import com.dao.AdminDao;
//import com.model.User;
public class Login {
public String adminLogin() {// ��̨�����¼
HttpServletRequest request = ServletActionContext.getRequest();
String name = request.getParameter("name");
String password = request.getParameter("pwd");
if(AdminDao.login(name, password))
{
return "success";
}else {
return "loginerror";
}
}
public String exit(){
return "exit";
}
}
-------------------------------------------------------------------------
AdminDao类代码：
package com.dao;
import java.util.List;
import javax.jws.soap.SOAPBinding.Use;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import com.model.Admin;
import com.model.HibernateSessionFactory;
//import com.model.User;
public class AdminDao {
public static boolean login(String name,String pwd)
{
Session session=HibernateSessionFactory.getSession();
try {
Criteria criteria=session.createCriteria(Admin.class);
criteria.add(Restrictions.eq("name", name)).add(Restrictions.eq("pwd", pwd));
List<Admin> admins=criteria.list();
session.close();
if(admins.isEmpty())
{
return false;
}else {
return true;
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return false;
}
}
-----------------------------------------------------------------------
package com.model;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
/**
* Configures and provides access to Hibernate sessions, tied to the
* current thread of execution. Follows the Thread Local Session
* pattern, see {@linkhttp://hibernate.org/42.html }.
*/
public class HibernateSessionFactory {
/**
* Location of hibernate.cfg.xml file.
* Location should be on the classpath as Hibernate uses
* #resourceAsStream style lookup for its configuration file.
* The default classpath location of the hibernate config file is
* in the default package. Use #setConfigFile() to update
* the location of the configuration file for the current session.
*/
private static String CONFIG_FILE_LOCATION = "/hibernate.cfg.xml";
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
private static Configuration configuration = new Configuration();
private static org.hibernate.SessionFactory sessionFactory;
private static String configFile = CONFIG_FILE_LOCATION;
static {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
private HibernateSessionFactory() {
}
/**
* Returns the ThreadLocal Session instance. Lazy initialize
* the <code>SessionFactory</code> if needed.
*
* @return Session
* @throws HibernateException
*/
public static Session getSession() throws HibernateException {
Session session = (Session) threadLocal.get();
if (session == null || !session.isOpen()) {
if (sessionFactory == null) {
rebuildSessionFactory();
}
session = (sessionFactory != null) ? sessionFactory.openSession()
: null;
threadLocal.set(session);
}
return session;
}
/**
* Rebuild hibernate session factory
*
*/
public static void rebuildSessionFactory() {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err
.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
/**
* Close the single hibernate session instance.
*
* @throws HibernateException
*/
public static void closeSession() throws HibernateException {
Session session = (Session) threadLocal.get();
threadLocal.set(null);
if (session != null) {
session.close();
}
}
/**
* return session factory
*
*/
public static org.hibernate.SessionFactory getSessionFactory() {
return sessionFactory;
}
/**
* return session factory
*
* session factory will be rebuilded in the next call
*/
public static void setConfigFile(String configFile) {
HibernateSessionFactory.configFile = configFile;
sessionFactory = null;
}
/**
* return hibernate configuration
*
*/
public static Configuration getConfiguration() {
return configuration;
}
}
----------------------------------------------------------------------
hibernate.cfg.xml
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- 方言 -->
<property name="dialect">
org.hibernate.dialect.MySQLDialect
</property>
<!-- 链接地址 -->
<property name="connection.url">
jdbc:mysql://localhost:3306/se
</property>
<!-- 数据库user -->
<property name="connection.username">root</property>
<!-- 数据库user密码 -->
<property name="connection.password">123</property>
<!-- 连接driver -->
<property name="connection.driver_class">
com.mysql.jdbc.Driver
</property>
<property name="myeclipse.connection.profile">
com.mysql.jdbc.Driver
</property>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<!-- 映射文件 -->
<mapping resource="com/model/Admin.hbm.xml" />
</session-factory>
</hibernate-configuration>
-------------------------------------------------------
Admin.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<!-- 映射数据库的admin表 -->
<class name="com.model.Admin" table="admin" catalog="se">
<!-- 映射id字段 -->
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="identity" />
</id>
<!-- 映射name字段 -->
<property name="name" type="java.lang.String">
<column name="name" length="45" not-null="true" />
</property>
<!-- 映射pwd字段 -->
<property name="pwd" type="java.lang.String">
<column name="pwd" length="45" not-null="true" />
</property>
</class>
</hibernate-mapping>
----------------------------------------------------------------
package com.model;
public class Admin implements java.io.Serializable {
//ӳ��id
private Integer id;
//����Աname
private String name;
//����Ա����
private String pwd;
/** Ĭ�Ϲ��캯�� */
public Admin() {
}
/** ���캯�� */
public Admin(String name, String pwd) {
this.name = name;
this.pwd = pwd;
}
public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public String getPwd() {
return this.pwd;
}
public void setPwd(String pwd) {
this.pwd = pwd;
}
}
---------------------------------------------------------------------------------------
---------------------------------------------
-----------------------------------------
=================================
盖文档上传测试：
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!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">
<base href="<%=basePath%>">
<title>My JSP 'upload.jsp' starting page</title>
</head>
<body>
哈哈哈哈哈
<s:form action="uploadAction!excute.action" enctype="multipart/form-data" method="post">
<s:file name="file" ></s:file>
<!-- <s:file name="file"></s:file> -->
<!-- <s:file name="file"></s:file> -->
<s:submit label="上传"></s:submit>
</s:form>
</body>
</html>
--------------------------------------------------
<action name="uploadAction" class="com.action.UploadFileAction">
<result name="success">/admin/index.jsp</result>
</action>
--------------------------------------------------------------
package com.action;
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class UploadFileAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private File file;
private String fileContentType;
private String fileFileName;
public File getFile() {
return file;
}
public void setFile( File file) {
this.file = file;
}
public String getFileContentType() {
return fileContentType;
}
public void setFileContentType(String fileContentType) {
this.fileContentType = fileContentType;
}
public String getFileFileName() {
return fileFileName;
}
public void setFileFileName(String fileFileName) {
this.fileFileName = fileFileName;
}
public String excute() {
System.out.println("file："+ file.getAbsolutePath());
//拿到上下文路径
String path = ServletActionContext.getServletContext().getRealPath("/file2");
System.out.println("path："+ path);
if (file != null) {
File filetemp = new File(path);
if (!filetemp.exists()) {
//建立文件夹
filetemp.mkdir();
}
try {
File f = new File(filetemp, fileFileName);
System.out.println("上传的文件为："+fileFileName+" "+this.fileContentType);
FileUtils.copyFile( file, f);
}
catch (IOException e) {
e.printStackTrace();
}
}
System.out.println("上传成功");
return SUCCESS;
}
}
--------------------------------------------------
输出结果：
file：C:\Users\Administrator\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp2\work\Catalina\localhost\structs2_3\upload_479ffc4b_15920b239e3__8000_00000000.tmp
path：C:\Users\Administrator\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp2\wtpwebapps\structs2_3\file2
上传的文件为：博士报名.txt text/plain
上传成功
http://blog.sina.com.cn/s/blog_acdc06250101csrl.html 这是转载他人的文档， 传播知识，合作共赢！ 以下是转载他人的资料
http://blog.sina.com.cn/s/blog_5f9beca40101dgau.html
ServletActionContext的静态方法
-============================================================
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