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Java开发之手把手教你搭建企业级工程SSM框架

2022-01-03 17:29DrLai Java教程

这篇文章主要为大家介绍Java教程中搭建企业级工程SSM框架，手把手的过程操作，有需要的朋友可以借鉴参考下，希望能够有所帮助

关于Spring + Spring MVC + MyBatis的搭建

 

1.在IDEA界面中创建MavenWeb工程

选中下图maven-archetype-webapp

Java开发之手把手教你搭建企业级工程SSM框架

 

2.在pom.xml中添加如下相关依赖

<?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>org.example</groupId>
  <artifactId>ssm</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>
  <name>ssm 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>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
  </properties>
  <dependencies>
    <!--springmvc-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.3.9</version>
    </dependency>
    <!--jdbc-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.3.9</version>
    </dependency>
    <!--Spring aop-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>5.3.9</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>5.3.9</version>
    </dependency>
    <!--Mybatis-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>2.0.6</version>
    </dependency>
    <!--mysql驱动-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.4.5</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.11</version>
    </dependency>
    <!--c3p0-->
    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1.2</version>
    </dependency>
    <!--lombok-->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.20</version>
    </dependency>
    <!--jstl-->
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <!--ServletAPI-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
    </dependency>
  </dependencies>
  <build>
    <finalName>ssm</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>
    <resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.xml</include>
        </includes>
      </resource>
    </resources>
  </build>
</project>

 

3.web.xml 配置 Spring MVC、Spring

设置字符编码过滤器、加载静态资源。

<!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> 
  <!--Spring监听-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--Spring MVC-->
  <servlet>
    <servlet-name>dispatcher</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc.xml</param-value>
    </init-param>
  </servlet>  
  <servlet-mapping>
    <servlet-name>dispatcher</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping> 
  <!--字符编码过滤器-->
  <filter>
    <filter-name>character</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>utf-8</param-value>
    </init-param>
    <init-param>
      <param-name>forceRequestEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>forceResponseEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>character</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!--加载静态资源-->
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.js</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.png</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.css</url-pattern>
  </servlet-mapping>
</web-app>

 

4.分别在main目录下创建resource包

并创建spring,springmvc,mybatis.xml文件

Java开发之手把手教你搭建企业级工程SSM框架

 

5.在spring.xml中连接数据库

将user和password改成自己的数据库用户名和密码，并将3306/后面改成连接数据库的包名，紧接着配置SqlSessionFactory,扫描Mapper接口，事务管理等。

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
 http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
 http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
 http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.3.xsd">
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="user" value="root"/>
        <property name="password" value="abcd1234"/>
        <property name="driverClass" value="com.mysql.cj.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/bjpower?
useUnicode=true&amp;characterEncoding=UTF-8"/>
    </bean>
    <!--SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="mapperLocations" value="classpath:com/south/repository/*.xml"></property>
        <property name="configLocation" value="classpath:mybatis.xml"></property>
    </bean>
    <!--扫描Mapper接口-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.south.repository"></property>
    </bean>
    <!--事务管理-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="*"/>
        </tx:attributes>
    </tx:advice>  
    <aop:config>
        <aop:pointcut id="txPoint" expression="execution(* com.south.service.impl.*.*(..))"></aop:pointcut>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"></aop:advisor>
    </aop:config>
 
</beans>

 

6.springmvc.xml中配置驱动和前后缀表达式

<?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:mvc="http://www.springframework.org/schema/mvc"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">   
    <mvc:annotation-driven></mvc:annotation-driven>
    <context:component-scan base-package="com.south"></context:component-scan>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>

 

7.配置打印sql语句和指定实体类，让idea搜索需要的javaBean

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
        <!-- 打印SQL-->
        <setting name="logImpl" value="STDOUT_LOGGING" />
    </settings>
    <typeAliases>
        <!-- 指定⼀个包名，MyBatis会在包名下搜索需要的JavaBean-->
        <package name="com.south.entity"/>
    </typeAliases>
</configuration>

 

8.创建与数据库相对应的实体类

Java开发之手把手教你搭建企业级工程SSM框架

 

9.Handler

package com.south.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.south.service.UserService;
@Controller
@RequestMapping("/user")
public class UserHandler {
    @Autowired
    private UserService userService;
    @GetMapping("/index")
    public ModelAndView index(){
        ModelAndView modelAndView=new ModelAndView();
        modelAndView.setViewName("index");
        modelAndView.addObject("list",userService.findAll());
        return modelAndView;
    }
}

 

10.Service及其接口

package com.south.service.impl;
import com.south.entity.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.south.repository.UserRepository;
import com.south.service.UserService;
import java.util.List;
@Service
public class UserServiceimpl implements UserService {
    @Autowired
    private UserRepository userRepository;
    @Override
    public List<User> findAll() {
        return userRepository.findAll();
    }
}
package com.south.service;
import com.south.entity.User; 
import java.util.List;
public interface UserService {
    public List<User> findAll();
}

 

11.Repository

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.south.repository.UserRepository">
    <select id="findAll" resultType="User">
        select * from t_user
    </select>
</mapper>

 

12.测试所用的jsp

<%@page contentType="text/html;charset=UTF-8" %>
<%@page isELIgnored="false" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
</head>
    <titie>Title</titie>
<body>
    <c:forEach items="${list}" var="user">
        ${user.id}-${user.username}-${user.password}-${user.age}<br/>
    </c:forEach>
</body>
</html>

最后放出根目录的图片，方便大家学习参考

Java开发之手把手教你搭建企业级工程SSM框架

以上就是Java教程手把手教你搭建企业级工程SSM框架的详细内容，更多关于Java教程搭建企业级SSM框架的资料请关注服务器之家其它相关文章！

原文链接：https://blog.csdn.net/DrLai/article/details/120011375

  • Java
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  • SSM框架

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