struts2与heibernate的整合

 一个简单的struts2与heibernate的入门整合案例

项目结构图

1.pom.xml

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
    <!-- 添加struts2依赖 -->
    <dependency>
      <groupId>org.apache.struts</groupId>
      <artifactId>struts2-core</artifactId>
      <version>2.5.18</version>
    </dependency>
    <!-- 添加Hibernate依赖 -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>3.6.10.Final</version>
    </dependency>

    <!-- 添加Log4J依赖 -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.16</version>
    </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-nop</artifactId>
      <version>1.6.4</version>
    </dependency>

    <!-- 添加javassist -->
    <dependency>
      <groupId>javassist</groupId>
      <artifactId>javassist</artifactId>
      <version>3.12.0.GA</version>
    </dependency>

    <!-- mysql数据库的驱动包 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.6</version>
    </dependency>
    <!-- 配置hibernate的c3p0数据库连接池 -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-c3p0</artifactId>
      <version>3.6.10.Final</version>
    </dependency>

    <!--servlet配置-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>servlet-api</artifactId>
      <version>2.5</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.1</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
  </dependencies>

 

 2.hibernate.cmd.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <!--SessionFactory用来创建Session对象，Session对象时操作数据库的核心-->
    <!--SessionFactory必要部分：1.连接数据库信息；2.hibernate的可选配置；3.映射文件配置-->
    <session-factory>
        <!-- 1.连接数据库的基本信息 -->
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.url">jdbc:mysql://127.0.0.1:3306/mybatis</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">root</property>

        <!-- 2.hibernate的可选配置 -->
        <!-- hibernate里的配置，数据库使用的方言，开发过程中要在控制台显示,sql -->
        <!--<property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>-->
        <property name="hibernate.show_sql">true</property>
       <!-- <property name="hibernate.format_sql">true</property>-->
        <property name="hibernate.hbm2ddl.auto">update</property>
        <!--绑定线程和session,实现一个session只有一个线程。-->
        <property name="hibernate.current_session_context_class">thread</property>


        <!-- c3p0的配置 -->
        <!-- hibernate.connection.provider_class使用c3p0数据库连接池的一个配置 -->
        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>

        <!--3.映射文件配置-->
        <!-- ORM映射关系 ,导入相应模型的绝对路径-->
        <mapping resource="user.hbm.xml"/>

    </session-factory>

</hibernate-configuration>

 

3.struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
        "http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
    <!--模块开发时引入其它模块-->
    <include file="struts/struts_user.xml"/>
</struts>

 

4.struts_user.xm

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
        "http://struts.apache.org/dtds/struts-2.5.dtd">

<struts>
    <!--开启动态访问action-->
    <constant name="struts.enable.DynamicMethodInvocation" value="true"/>

    <package name="demo01" extends="struts-default" namespace="/">
        <!--通配符配置的方式-->
        <action name="user_*" class="com.web.action.UserAction" method="{1}">
            <result name="users">/jsp/userlist.jsp</result>
            <allowed-methods>findAll</allowed-methods>
        </action>
    </package>
</struts>

 

5.user.hbm.xml

<?xml version="1.0" encoding="utf-8" ?>
        <!DOCTYPE hibernate-mapping PUBLIC
                "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
                "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.bean">
    <class name="User" table="sturts_user">
        <id name="uid" column="uid">
            <generator class="native"></generator>
        </id>
        <property name="uname" column="uname"></property>
        <property name="pwd" column="pwd"></property>
    </class>
</hibernate-mapping>

 

6.index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
    <H3>通配符访问</H3>
    <a href="/user_findAll">查询所有用户</a></br>
</body>
</html>

 

7.UserMapperImpl.java

package com.dao.impl;

import com.bean.User;
import com.dao.UserMapper;
import com.utils.HibernateUtils;
import org.hibernate.Transaction;
import org.hibernate.classic.Session;

import java.util.List;

public class UserMapperImpl implements UserMapper {

    public List<User> findAll(){
        Session session = HibernateUtils.getCurrnetSession();
        Transaction tx = session.beginTransaction();
        List<User> list = session.createQuery("from User").list();
        tx.commit();
        return list;
    }
}

 

8.UserAction.java

import com.bean.User;
import com.opensymphony.xwork2.ActionSupport;
import com.service.UserService;
import com.service.impl.UserServiceImpl;
import org.apache.struts2.ServletActionContext;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

public class UserAction  extends ActionSupport {
    private UserService userService=new UserServiceImpl();

    public String findAll(){
        List<User> userList = userService.findAll();
        System.out.println("UserAction:"+userList);
        HttpServletRequest request = ServletActionContext.getRequest();
        HttpSession session = request.getSession();
        session.setAttribute("userList",userList);
        session.setAttribute("test","testceshi");
        return "users";
    }
}

 

9.userlist.jsp

<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030" isELIgnored="false"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h3>用户列表</h3>
<table border="1px">
    <tr>
        <td>id</td>
        <td>名称</td>
        <td>密码</td>
    </tr>
    <c:forEach items="${userList}" var="user">
        <tr>
            <td>${user.uid}</td>
            <td>${user.uname}</td>
            <td>${user.pwd}</td>
        </tr>
    </c:forEach>
</table>
<h3>${test}</h3>
</body>
</html>