spring_boot整合SSM

spring_boot整合SSM

1. 创建maven工程

2. 引入依赖

   <parent>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-parent</artifactId>
       <version>2.1.0.RELEASE</version>
   </parent>
   ​
   ​
   <properties>
       <!-- java版本 -->
       <java.version>1.8</java.version>
       <!-- 编译时的编码 -->
       <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
   </properties>
   ​
   ​
   <dependencies>
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-starter</artifactId>
       </dependency>
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-configuration-processor</artifactId>
       </dependency>
       <dependency>
           <groupId>org.mybatis.spring.boot</groupId>
           <artifactId>mybatis-spring-boot-starter</artifactId>
           <version>1.1.1</version>
       </dependency>
       <dependency>
           <groupId>mysql</groupId>
           <artifactId>mysql-connector-java</artifactId>
       </dependency>
       <dependency>
           <groupId>com.github.pagehelper</groupId>
           <artifactId>pagehelper</artifactId>
           <version>3.7.5</version>
       </dependency>
       <!--引入web配置 -->
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-starter-web</artifactId>
       </dependency>
       <!-- servlet依赖. -->
       <dependency>
           <groupId>javax.servlet</groupId>
           <artifactId>javax.servlet-api</artifactId>
           <scope>provided</scope>
       </dependency>
       <!-- JSTL -->
       <dependency>
           <groupId>javax.servlet</groupId>
           <artifactId>jstl</artifactId>
       </dependency>
       <!-- tomcat的支持. -->
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-starter-tomcat</artifactId>
           <scope>provided</scope>
       </dependency>
       <dependency>
           <groupId>org.apache.tomcat.embed</groupId>
           <artifactId>tomcat-embed-jasper</artifactId>
           <!--<scope>provided</scope> -->
       </dependency>
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-devtools</artifactId>
           <optional>true</optional><!-- optional=true,依赖不会传递，该项目依赖devtools；之后依赖myboot项目的项目如果想要使用devtools，需要重新引入 -->
       </dependency>
   </dependencies>
   <build>
       <plugins>
           <plugin>
               <artifactId>maven-compiler-plugin</artifactId>
               <configuration>
                   <source>${java.version}</source>
                   <target>${java.version}</target>
                   <encoding>${maven.compiler.encoding}</encoding>
               </configuration>
           </plugin>
       </plugins>
   </build>

3. 新增application.yml

   server:
       port: 8080
       servlet:
           init-parameters:
               development: true
           contextPath: /xxx
   #spring
   spring:
       mvc:
           view:
               prefix: /WEB-INF/page/
               suffix: .jsp
        datasource:
           url: jdbc:mysql://192.168.128.11:3306/j815?useUnicode=true&characterEncoding=utf-8
           username: root
           password: 123456
           driver-class-name: com.mysql.jdbc.Driver
   mybatis: 
         mapperLocations: classpath:mybatis/com/jkoss/examination/*/mapper/xml/*.xml

    

4. 在启动类类增加

   @MapperScan("com.jk.springboot.mapper")

5. 增加PageHelper的配置

   @Configuration
       public class HelperConfig {
           // 配置mybatis的分页插件pageHelper
           @Bean
           public PageHelper pageHelper() {
               PageHelper pageHelper = new PageHelper();
               Properties properties = new Properties();
               properties.setProperty("offsetAsPageNum", "true");
               properties.setProperty("rowBoundsWithCount", "true");
               properties.setProperty("reasonable", "true");
               properties.setProperty("dialect", "mysql"); // 配置mysql数据库的方言
               pageHelper.setProperties(properties);
               return pageHelper;
           }
       }

6.