SSH框架搭建


一。加入struts2
1.在pom.xml中加入struts2的依賴
  <dependency>
    <groupId>org.apache.struts</groupId>
    <artifactId>struts2-core</artifactId>
    <version>2.5.13</version>
  </dependency>
2.在web.xml中加入過濾器
  <filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

二。加入spring框架,整合spring+struts2
1.加入spring的依賴,和struts與spring整合的依賴
  <!-- Spring -->
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
    <version>4.1.9.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-web</artifactId>
    <version>4.1.9.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.apache.struts</groupId>
    <artifactId>struts2-spring-plugin</artifactId>
    <version>2.5.13</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-orm</artifactId>
    <version>4.1.9.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aspects</artifactId>
    <version>4.1.9.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jdbc</artifactId>
    <version>4.1.9.RELEASE</version>
  </dependency>
  <!-- hibernate -->
  <dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-core</artifactId>
    <version>4.3.5.Final</version>
  </dependency>
  <!-- 數據庫連接池jar -->
  <dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-dbcp2</artifactId>
    <version>2.1.1</version>
  </dependency>
2.在web.xml中加入spring監聽,以及告訴監聽spring的配置文件
  <!-- 創建Spring的監聽器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- Spring的監聽器可以通過這個上下文參數來獲取application.xml文件的位置 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath*:application.xml</param-value>
  </context-param>

  <!-- Spring中提供了 org.springframework.orm.hibernate4.support.OpenSessionInViewFilter
  這個類來完成OpenSessionInViewer的操作 -->
  <!-- 這個過濾器是配合hibernate中級聯操作的延遲加載來使用的,一旦用了這個過濾器,就必須使用spring的事務管理 -->
  <filter>
    <filter-name>openSessionInViewerFilter</filter-name>
    <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
  </filter>

  <filter-mapping>
    <filter-name>openSessionInViewerFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
3.struts.xml文件修改
  <struts>

    <package>
      <constant name="struts.enable.DynamicMethodInvocation" value="true" />
      <!-- //2.5的版本后動態訪問url必須打開 -->
      <constant name="struts.objectFactory" value="spring" />
      <!-- //此處說明action由spring管理 -->
      <package name="my" namespace="/" extends="struts-default">
      <global-allowed-methods>regex:.*</global-allowed-methods>
      <!-- //2.5版本后訪問非execute方法要加入該配置 -->
      <action name="*_*" class="{1}Action" method="{2}">
        <result name="success">${successURL}</result>
        <result name="input">${inputURL}</result>
      </action>
    </package>
  </struts>

4.appliaction.xml也就是spring核心配置文件

5.各層用注解完成依賴注入
  @Repository:DAO層的注解申明
  @Service:業務層注解
  @Controller:控制層注解 @Controller("userAction")此處的名字要和struts.xml中Action的class屬性一致

 

實例:整合ssh,並完成前台發送請求后台,后台返回數據到前台的過程

  pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>SSHjava</groupId>
    <artifactId>SSHjava</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <build>
        <sourceDirectory>src</sourceDirectory>
        <resources>
            <resource>
                <directory>src</directory>
                <excludes>
                    <exclude>**/*.java</exclude>
                </excludes>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.5.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-war-plugin</artifactId>
                <version>3.0.0</version>
                <configuration>
                    <warSourceDirectory>WebContent</warSourceDirectory>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <dependencies>
        <!-- struts2 -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-core</artifactId>
            <version>2.5.13</version>
        </dependency>
        <!-- Spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-spring-plugin</artifactId>
            <version>2.5.13</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>4.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.9.RELEASE</version>
        </dependency>
        <!-- hibernate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.3.5.Final</version>
        </dependency>
        <!-- 數據庫連接池jar -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.1.1</version>
        </dependency>
        <!-- jstl -->
         <dependency> 
             <groupId>javax.servlet.jsp.jstl</groupId> 
             <artifactId>jstl</artifactId> 
             <version>1.2</version> 
         </dependency>
         <dependency>
             <groupId>taglibs</groupId>
             <artifactId>standard</artifactId> 
             <version>1.1.2</version> 
         </dependency> -
    </dependencies>
</project>

  web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
    id="WebApp_ID" version="3.1">
    <display-name>SSHjava06</display-name>
    <!-- 創建Spring的監聽器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- Spring的監聽器可以通過這個上下文參數來獲取application.xml文件的位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:application.xml</param-value>
    </context-param>
    
    <!-- Spring中提供了 org.springframework.orm.hibernate4.support.OpenSessionInViewFilter 
        這個類來完成OpenSessionInViewer的操作 -->
    <!-- 這個過濾器是配合hibernate中級聯操作的延遲加載來使用的,一旦用了這個過濾器,就必須使用spring的事務管理 -->
    <filter>
        <filter-name>openSessionInViewerFilter</filter-name>
        <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>openSessionInViewerFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <!-- struts2的過濾器 -->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <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>

  jdbc.properties

jdbc.driverClassName = oracle.jdbc.driver.OracleDriver
jdbc.url = jdbc:oracle:thin:@localhost:1521:orcl
jdbc.username = java
jdbc.password = java123

  application.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:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context.xsd
      http://www.springframework.org/schema/aop
      http://www.springframework.org/schema/aop/spring-aop.xsd
      http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 打開Spring的Annotation的支持 -->
    <context:annotation-config />
    <!-- 設定Spring去哪些包中查找Annotation -->
    <context:component-scan base-package="com" />
    <!-- 告訴spring${}取值的資源文件路徑 -->
    <context:property-placeholder location="classpath:jdbc.properties" />

    <!-- spring管理數據庫鏈接 -->
    <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <!-- 配置連接池的初始值 -->
        <property name="initialSize" value="1" />
        <!-- 連接池的最大值 -->
        <!-- <property name="maxActive" value="500"/> -->
        <!-- 最大空閑時,當經過一個高峰之后,連接池可以將一些用不到的連接釋放,一直減少到maxIdle為止 -->
        <!-- <property name="maxIdle" value="2"/> -->
        <!-- 當最小空閑時,當連接少於minIdle時會自動去申請一些連接 -->
        <property name="minIdle" value="1" />
        <property name="maxTotal" value="100" />
        <property name="maxIdle" value="20" />
        <property name="maxWaitMillis" value="1000" />
    </bean>
    
    <!-- 創建Spring的SessionFactory工廠 -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean" >
        <!-- 注入數據源 -->
        <property name="dataSource" ref="dataSource" />
         <!-- 設置Spring去哪個包中查找相應的實體類 -->
        <property name="packagesToScan">
            <value>com.pojo</value>
        </property>
        <property name="hibernateProperties">
          <props>
              <prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop>
              <prop key="hibernate.show_sql">true</prop>
              <prop key="hibernate.format_sql">true</prop>
        <!-- <prop key="hibernate.hbm2ddl.auto">update</prop>自動根據實體類生成表結構 -->
          </props>
         </property>
    </bean>
    
    <!-- 配置Spring的事務處理  聲明式事務-->
        <!-- 創建事務管理器 -->
      <bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"/>
      </bean>
      <!--       打開事務注解開關  可以在代碼中直接聲明事務 必須放在AOP的配置前面才有效果-->
      <tx:annotation-driven transaction-manager="txManager"/>
      <!-- 配置AOP,Spring是通過AOP來進行事務管理的 -->
      <aop:config>
          <!-- 設置PointCut表示那些方法需要加入到事務管理 -->
        <aop:pointcut id="allMethods" expression="execution(* com.service.*.*(..))"/>
        <!-- 通過advisor來確定具體要加入事務控制的方法 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="allMethods"/>
      </aop:config>
    
      <!-- 配置哪些方法需要加入事務控制 -->
      <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
          <!-- 讓所有方法都加入事務管理,為了提高效率,可以把一些查詢之類的方法設置為只讀的事務 -->
          <tx:method name="*" propagation="REQUIRED" read-only="true"/>
          <!-- 以下方法都是可能涉及修改的方法,就無法設置為只讀 -->
          <tx:method name="add*" propagation="REQUIRED"/>
          <tx:method name="del*" propagation="REQUIRED"/>
          <tx:method name="update*" propagation="REQUIRED"/>
          <tx:method name="save*" propagation="REQUIRED"/>
          <tx:method name="modify*" propagation="REQUIRED"/>
        </tx:attributes>
      </tx:advice>

</beans>

  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>
    <!-- //2.5的版本后動態訪問url必須打開 -->
    <constant name="struts.enable.DynamicMethodInvocation" value="true" />
    <!-- //此處說明action由spring管理 -->
    <constant name="struts.objectFactory" value="spring" />
    <package name="my" namespace="/" extends="struts-default">
        <!-- //2.5版本后訪問非execute方法要加入該配置 -->
        <global-allowed-methods>regex:.*</global-allowed-methods>
        <action name="*_*" class="{1}Action" method="{2}">
            <result name="success">${successURL}</result>
            <result name="input">${inputURL}</result>
        </action>
    </package>
</struts>

  student.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"/>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <a href="stu_getall">查詢</a>
    <table>
        <c:forEach items="${list }" var="stu">
            <tr>
                <td>${stu.studentName }</td>
                <td>${stu.classinfo.className}</td>
            </tr>
        </c:forEach>
    </table>
</body>
</html>

  StudentAction.java

package com.control;

import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.spring.interceptor.ActionAutowiringInterceptor;
import com.pojo.Student;
import com.service.IStudentService;

@Controller("stuAction")
public class StudentAction {

    @Autowired
    IStudentService stuSer ;

    String successURL;//跳轉到成功結果的url路徑

    public String getSuccessURL() {
        return successURL;
    }
    public void setSuccessURL(String successURL) {
        this.successURL = successURL;
    }
    public void setStuSer(IStudentService stuSer) {
        this.stuSer = stuSer;
    }

    public String getall(){
        List<Student> list = stuSer.getAllStu();
Map req
= (Map) ActionContext.getContext().get("request"); req.put("list", list);
successURL
="/jsp/student.jsp";
return "success"; } }

  其他層代碼省略,另外BaseDao中方法替換

    @Override
    public Session getsSession(){
        //如果使用spring來管理事務,一定要用getCurrentSession()來獲取session
        return sessionFactory.getCurrentSession();
    }

 


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