使用Maven搭建SSM框架 IDEA

使用Maven搭建SSM框架，并测试使用

使用Maven搭建SSM框架（IDEA）

1. 创建Maven工程

2. 使用自己安装的Maven

3. 加入Maven依赖jar

<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>5.2.3.RELEASE</spring.version>
    <slf4j.version>1.6.6</slf4j.version>
    <log4j.version>1.2.17</log4j.version>
    <mysql.version>8.0.11</mysql.version>
    <mybatis.version>3.4.6</mybatis.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>compile</scope>
    </dependency>
    <!-- spring -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.6.8</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</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-context</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</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-instrument</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-jms</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-messaging</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-oxm</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <!-- spring mvc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <!-- MyBatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis.version}</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.1</version>
    </dependency>

    <!-- MySQL 驱动 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>${mysql.version}</version>
    </dependency>

    <!-- 连接池 -->
    <dependency>
      <groupId>commons-dbcp</groupId>
      <artifactId>commons-dbcp</artifactId>
      <version>1.4</version>
    </dependency>

    <dependency>
      <groupId>commons-logging</groupId>
      <artifactId>commons-logging</artifactId>
      <version>1.2</version>
    </dependency>

    <dependency>
      <groupId>commons-pool</groupId>
      <artifactId>commons-pool</artifactId>
      <version>1.6</version>
    </dependency>

    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>
    
    <!--  jstl和el表达式  -->
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <dependency>
      <groupId>taglibs</groupId>
      <artifactId>standard</artifactId>
      <version>1.1.2</version>
    </dependency>

    <dependency>
      <groupId>javax.el</groupId>
      <artifactId>javax.el-api</artifactId>
      <version>3.0.0</version>
      <scope>provided</scope>
    </dependency>

    <!-- 增加 jsp 的api -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.0</version>
      <scope>provided</scope>
    </dependency>

  </dependencies>

4. 在pom.xml中的build中加入以下代码

<!-- 如果不添加此节点mybatis的mapper.xml文件都会被漏掉。 -->
    <resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>
      <resource>
        <directory>src/main/resources</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>
    </resources>

5. 完善目录结构

6. 目录进行分层

7. 写好数据库配置文件，在resources目录下创建db.properties文件

driver=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://localhost:3306/studentmanage?useUnicode = true&characterEncoding = utf-8&useSSL = false&serverTimezone = GMT&allowPublicKeyRetrieval=true
user=java
password=123456

8. 加入Spring，在resources目录下创建spring.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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 加载数据库配置文件db.properties -->
    <context:property-placeholder location="classpath:db.properties" />

    <!-- 配置数据源信息 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <!-- 配置数据库信息 -->
        <property name="driverClassName" value="${driver}"/>
        <property name="url" value="${url}"/>
        <property name="username" value="${user}"/>
        <property name="password" value="${password}"/>
    </bean>

    <!-- 在SpringIOC容器中 创建MyBatis核心类 SqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 配置数据源 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 加载MyBatis全局配置文件 -->
        <property name="configLocation" value="classpath:sqlMapConfig.xml" />
        <!-- 加载 Mapper.xml路径 -->
        <property name="mapperLocations" value="classpath:pers/kuroko/mapper/*.xml"/>
    </bean>

    <!-- 配置mapper相关扫描器 将MyBatis的SQLSessionFactory交给Spring -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 指定批量产生mapper的包 -->
        <property name="basePackage" value="pers.kuroko.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>

    <!-- 依赖注入：给service注入dao(mapper)   这里是用于测试的service-->
    <bean id="testService" class="pers.kuroko.service.TestServiceImpl">
        <property name="stuMapper" ref="stuMapper" />
    </bean>

</beans>

9. 加入SpringMVC，在resources目录下创建springmvc.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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 配置视图解析器 -->
    <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 过滤静态资源，如果有的话可以使用 -->
    <mvc:default-servlet-handler />
<!--    <mvc:resources mapping="/images/**" location="/images/" />-->
<!--    <mvc:resources mapping="/css/**" location="/css/" />-->
<!--    <mvc:resources mapping="/js/**" location="/js/" />-->
<!--    <mvc:resources mapping="/lib/**" location="/lib/" />-->
<!--    <mvc:resources mapping="/api/**" location="/api/" />-->

    <!-- SpringMVC 基础配置 -->
    <mvc:annotation-driven />

    <!-- 将控制器所在包 加入 IOC 容器 开启注解扫描 -->
    <context:component-scan base-package="pers.kuroko.controller" />

</beans>

10. 加入MyBatis，在resources目录下创建sqlMapConfig.xml文件（MyBatis全局配置文件）

<?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>
    <!-- 配置别名信息 -->
    <typeAliases>
        <package name="pers.kuroko.entity"/>
    </typeAliases>
</configuration>

11. 在web.xml中进行配置Spring、SpringMVC

<!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 xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
  <display-name>Archetype Created Web Application</display-name>

  <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>

  <!-- 配置 Spring文件路径 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring.xml</param-value>
  </context-param>

  <!-- 配置spring监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!-- 增加转码过滤器  解决中文乱码问题 -->
  <filter>
    <filter-name>CharacterEncodingFilter</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>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>CharacterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!-- 配置 SpringMVC 前端控制器 -->
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 加载springmvc的配置文件 -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

</web-app>

测试使用

1. 创建一个数据库，并创建数据表

2. 在entity包中创建一个测试实体类Student，注意写好setter、getter和构造函数（空构造、参数构造）

3. 在mapper包中创建StuMapper接口、stuMapper.xml

<?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">
<!-- namespace：该mapper.xml映射文件的唯一标识 -->
<mapper namespace="pers.kuroko.mapper.StuMapper">
    <select id="queryStudentById" parameterType="int" resultType="Student">
        select * from student where id = #{id}
    </select>
</mapper>

4. 在service包中创建TestService接口和TestServiceImpl实现类，在实现类中定义mapper的对象，并需要存在相应的setter方法（也可使用注解）

5. 在controller包中创建一个TestController类，

package pers.kuroko.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import pers.kuroko.entity.Student;
import pers.kuroko.service.TestService;

import java.util.Map;

//指定在浏览器的路径
@RequestMapping("testController")
@Controller//注解，表明是Controller
public class TestController {
    
    

    //使用自动装配
    @Autowired
    @Qualifier("testService")
    private TestService testService;

    public void setTestService(TestService testService) {
    
    
        this.testService = testService;
    }

    @RequestMapping("queryStudentById/{id}")
    public String queryStudentById(@PathVariable("id") int id, Map<String, Object> map) {
    
    
        Student student = testService.queryStudentById(id);
        System.out.println(student);
        map.put("student", student);
        return "test";
    }

}

6. 在WEB-INF中创建pages文件夹，并在其中创建一个test.jsp文件

<%@ page contentType="text/html;charset=UTF-8" language="java"
    pageEncoding="utf-8" isELIgnored="false" %>
<%-- pageEncoding="utf-8" isELIgnored="false" 这个不加入的话可能会无法使用EL表达式 --%>
<html>
<head>
    <title>Test</title>
</head>
<body>
    1001号学生的信息：${requestScope.student.id}-${requestScope.student.name}-${requestScope.student.sex}-${requestScope.student.age}
</body>
</html>

7. 在WEB-INF下的index.jsp中写一个超链接用于测试

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<h2>Hello World!</h2>
    <a href="testController/queryStudentById/1001">查询</a>
</body>
</html>

8. 运行结果