目錄
十一、完善dao類、service類、action類以及jsp頁面
一、Maven創建Web工程
第一步:一定要選擇maven-archetype-webapp | |||
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第二步:我是用的自己安裝的maven,並且使用了該maven路徑下的settings.xml文件,我在該文件中配置了阿里雲鏡像,下載速度會較快 | |||
第三步:右下角點擊Auto-Import | |||
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第四步:完成後目錄結構如下,發現並沒有java、resources目錄結構 | |||
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第五步:創建java、resources目錄。在main文件夾上右鍵選擇New→Directory,按shift選中java和resources,最後按Enter | |||
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第五步:在java目錄下創建四個包,分別爲action、dao、model、service。resources右鍵→New→File創建jdbc.properties、applicationContext.xml和struts.xml文件。完成後目錄結構如下。 | |||
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二、數據庫準備
在MySQL中創建一個名爲db_sshdemo數據庫,並創建一張user_tb表,往表中添加一條數據
DROP TABLE IF EXISTS `user_tb`;
CREATE TABLE `user_tb` (
`userid` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(255) DEFAULT NULL,
`password` varchar(255) DEFAULT NULL,
PRIMARY KEY (`userid`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
三、配置pom.xml
文件,添加Maven依賴
<?xml version="1.0" encoding="UTF-8"?>
<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>com.hedong</groupId>
<artifactId>MySSH</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>MySSH Maven Webapp</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<spring.version>5.0.2.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<!-- 單元測試-->
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- hibernate-->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.12.Final</version>
</dependency>
<!-- struts2-->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.5.14.1</version>
</dependency>
<!-- struts2-spring整合-->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>2.5.14.1</version>
</dependency>
<!-- spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring aop包 註釋方式使用事務管理 可以不引用-->
<dependency>
<groupId>aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.5.0</version>
</dependency>
<dependency>
<groupId>aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.5.0</version>
</dependency>
<!-- 添加對數據庫的支持 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.15</version>
</dependency>
<!--c3p0數據庫連接池 -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
</dependencies>
<build>
<finalName>MySSH</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
<!-- 解決Maven項目編譯後classes文件中沒有.xml問題 -->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</build>
</project>
四、配置web.xml
文件
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!-- 指定spring的配置文件-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 配置struts2的前端攔截-->
<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>
<!-- 監聽-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>
五、配置jdbc.properties文件
mysql.driverClassName = com.mysql.jdbc.Driver
mysql.url = jdbc:mysql://localhost:3306/數據庫名?useUnicode=true&&characterEncoding=UTF-8
mysql.username = username
mysql.password = password
六、配置applicationContext.xml文件
<?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: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/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 自動掃描-->
<context:component-scan base-package="com.hedong.dao"/>
<context:component-scan base-package="com.hedong.service"/>
<context:component-scan base-package="com.hedong.action"/>
<!-- 讀取jdbc配置文件-->
<bean id="configurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties"/>
</bean>
<!-- 配置c3p0數據源-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${mysql.driverClassName}"/>
<property name="jdbcUrl" value="${mysql.url}"/>
<property name="user" value="${mysql.username}"/>
<property name="password" value="${mysql.password}"/>
<property name="maxPoolSize" value="50"/>
<property name="minPoolSize" value="5"/>
<property name="initialPoolSize" value="5"/>
</bean>
<!-- hibernate管理-->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<!-- 引用上文配置的數據源-->
<property name="dataSource" ref="dataSource"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.autoReconnect">true</prop>
<prop key="hibernate.connection.autocommit">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="max_fetch_depth">3</prop>
<prop key="hibernate.connection.url">jdbc:mysql://localhost:3306/db_sshdemo</prop>
<prop key="hibernate.connection.driver_class">com.mysql.cj.jdbc.Driver</prop>
<!-- 解決session關閉問題 -->
<prop key="hibernate.enable_lazy_load_no_trans">true</prop>
</props>
</property>
<!-- 包掃描的方式加載註解類 -->
<property name="packagesToScan">
<list>
<value>com.hedong.model</value>
</list>
</property>
</bean>
<!-- 用註解來實現事務管理-->
<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
這時候注意界面上方會出現一個黃色的提示條,點擊“Configure application context”,選擇create new application context···,選擇applicationContext.xml後點擊"ok"
七、配置struts.xml文件
<?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>
<!-- 修改常量管理struts 中的action的工程,這個常量的使用,必須引入 spring和struts的整合包,不然spring無法管理struts2 Action 中的實體類-->
<constant name="struts.objectFactory" value="spring" />
<package name="user" extends="struts-default" namespace="/">
<action name="saveUser" class="userAction" method="saveUser">
<result name="success">/success.jsp</result>
</action>
</package>
</struts>
八、測試MySQL數據庫連接
第一步:右上角打開MySQL |
第二步:測試連接,連接成功後點擊OK,會看到連接好的Mysql出現在了右上角 |
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九、配置Project structure
第一步:左上角File→Project structure→Facets,點擊+號,添加Struts2,並選擇Web,點擊ok | |
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第二步:這時可以看到Struts已經被添加到Web下方,繼續點擊右邊的+號,選中所有的xml,點擊ok | |
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第三步:回到Facets,點擊+號添加hibernate,並選擇自己的項目,點擊ok | |
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第四步:點擊Apply→OK | |
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十、逆向生成Model實體以及映射文件
第一步:按照圖中步驟生成實體以及映射文件 | |
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第二步:可以看到在model包下生成了實體類,在resources文件夾下生成了User.hbm.xml映射文件。至於兩個文件爲什麼不在一個目錄下我也不清楚。同時,我們發現aplicationContext.xml文件中自動生成了一個User.hmb.xml映射文件的路徑。 | |
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第三步:根據個人習慣,我習慣將User.hbm.xml文件放在實體model目錄下,於是將其移動到model目錄中,可以發現aplicationContext.xml文件中對應的路徑映射自動發生了變化。 | |
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十一、完善dao類、service類、action類以及jsp頁面
UserDao.java
package com.hedong.dao;
import com.hedong.model.User;
public interface UserDao {
void addUser(User user);
}
UserDaoImpl.java
package com.hedong.dao;
import com.hedong.model.User;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Repository;
import javax.annotation.Resource;
@Repository("userDao")
public class UserDaoImpl implements UserDao {
//spring注入
@Resource(name = "sessionFactory")
private SessionFactory sessionFactory;
@Override
public void addUser(User user) {
// 使用getCurrentSession獲取session
Session session = sessionFactory.getCurrentSession();
session.save(user);
}
}
UserService.java
package com.hedong.service;
import com.hedong.model.User;
public interface UserService {
void addUser(User user);
}
UserServiceImpl.java
package com.hedong.service;
import com.hedong.dao.UserDao;
import com.hedong.model.User;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.annotation.Resource;
@Service("usersService")
public class UserServiceImpl implements UserService {
//注入dao
@Resource
private UserDao userDao;
//注入事務管理
@Transactional(rollbackFor = {Exception.class,RuntimeException.class})
@Override
public void addUser(User user) {
userDao.addUser(user);
}
}
UserAction.java
package com.hedong.action;
import com.hedong.model.User;
import com.hedong.service.UserService;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import javax.annotation.Resource;
@Controller("userAction")
@Scope("prototype")
public class UserAction extends ActionSupport implements ModelDriven<User> {
//注入bean
@Resource
private UserService userService;
//用於封裝模型
private User user = new User();
//獲取名字的方法
public String saveUser(){
userService.addUser(user);
return SUCCESS;
}
@Override
public User getModel() {
return user;
}
}
addUser.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<form action="${pageContext.request.contextPath}/saveUser.action" method="post">
用戶名:<input type="text" name="username"><br>
密碼:<input type="password" name="password"><br>
<input type="submit" value="提交">
</form>
</body>
</html>
success.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
添加成功!!
</body>
</html>
完成後項目結構如下
十二、配置Tomcat
第一步:右上角選擇Add Configuration ,點擊+號→Tomcat Server→Local | |
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第二步:在彈出的界面選擇Deployment,再點擊右邊的+號選擇Artfacts,選擇自己的項目(帶有exploded)點OK | |
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第三步:點擊server,按如圖所示配置,最後點擊Apply→OK | |
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十三、測試
點擊右上角Tomcat旁邊綠色三角形啓動Tomcat |
打開adduser.jsp頁面輸入賬號密碼點擊提交 |
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提示添加成功 |
查看數據庫表記錄,確認添加成功 |
至此,SSH框架整合結束!