• SSM整合流程（整合配置、功能模块开发、接口测试）

    目录

    一、创建新的maven工程

    创建相应的功能模块

    添加相应的jar包

     二、SSM整合

    Spring：

    SpringConfig配置类

    MyBatis：

    MybatisConfig配置类

    JdbcConfig配置类

    jdbc.properties配置文件

    SpringMVC：

    ServletConfig配置类

    SpringMvcConfig配置类

    三、功能模块

    表与实体类：

    MySQL数据表字段及数据

    Book实体类

    dao（接口+自动代理）：

    BookDao接口

    service（接口+实现类）：

    BookService接口

    BookServiceImpl实现类

    基于Restful的Controller开发

    三、接口测试

    业务层接口测试（整合JUnit）:

    BookServiceTest测试类

    表现层接口测试（PostMan）：

    保存图书

    修改图书

    删除图书

    查询单个图书

    查询所有图书

    一、创建新的maven工程

    创建相应的功能模块

    添加相应的jar包

    1. <?xml version="1.0" encoding="UTF-8"?>
    2.  
    3. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    4.   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    5.   <modelVersion>4.0.0</modelVersion>
    6.  
    7.   <groupId>com.itheima</groupId>
    8.   <artifactId>springmvc_08_ssm</artifactId>
    9.   <version>1.0-SNAPSHOT</version>
    10.   <packaging>war</packaging>
    11.  
    12.   <dependencies>
    13.     <dependency>
    14.       <groupId>org.springframework</groupId>
    15.       <artifactId>spring-webmvc</artifactId>
    16.       <version>5.2.10.RELEASE</version>
    17.     </dependency>
    18.  
    19.     <dependency>
    20.       <groupId>org.springframework</groupId>
    21.       <artifactId>spring-jdbc</artifactId>
    22.       <version>5.2.10.RELEASE</version>
    23.     </dependency>
    24.  
    25.     <dependency>
    26.       <groupId>org.springframework</groupId>
    27.       <artifactId>spring-test</artifactId>
    28.       <version>5.2.10.RELEASE</version>
    29.     </dependency>
    30.  
    31.     <dependency>
    32.       <groupId>org.mybatis</groupId>
    33.       <artifactId>mybatis</artifactId>
    34.       <version>3.5.6</version>
    35.     </dependency>
    36.  
    37.     <dependency>
    38.       <groupId>org.mybatis</groupId>
    39.       <artifactId>mybatis-spring</artifactId>
    40.       <version>1.3.0</version>
    41.     </dependency>
    42.  
    43.     <dependency>
    44.       <groupId>mysql</groupId>
    45.       <artifactId>mysql-connector-java</artifactId>
    46.       <version>5.1.47</version>
    47.     </dependency>
    48.  
    49.     <dependency>
    50.       <groupId>com.alibaba</groupId>
    51.       <artifactId>druid</artifactId>
    52.       <version>1.1.16</version>
    53.     </dependency>
    54.  
    55.     <dependency>
    56.       <groupId>junit</groupId>
    57.       <artifactId>junit</artifactId>
    58.       <version>4.12</version>
    59.       <scope>test</scope>
    60.     </dependency>
    61.  
    62.     <dependency>
    63.       <groupId>javax.servlet</groupId>
    64.       <artifactId>javax.servlet-api</artifactId>
    65.       <version>3.1.0</version>
    66.       <scope>provided</scope>
    67.     </dependency>
    68.  
    69.     <dependency>
    70.       <groupId>com.fasterxml.jackson.core</groupId>
    71.       <artifactId>jackson-databind</artifactId>
    72.       <version>2.9.0</version>
    73.     </dependency>
    74.   </dependencies>
    75.  
    76.   <build>
    77.     <plugins>
    78.       <plugin>
    79.         <groupId>org.apache.tomcat.maven</groupId>
    80.         <artifactId>tomcat7-maven-plugin</artifactId>
    81.         <version>2.1</version>
    82.         <configuration>
    83.           <port>80</port>
    84.           <path>/</path>
    85.         </configuration>
    86.       </plugin>
    87.     </plugins>
    88.   </build>
    89. </project>

     二、SSM整合

    Spring：

    SpringConfig配置类

    1. import org.springframework.context.annotation.ComponentScan;
    2. import org.springframework.context.annotation.Configuration;
    3. import org.springframework.context.annotation.Import;
    4. import org.springframework.context.annotation.PropertySource;
    5. import org.springframework.transaction.annotation.EnableTransactionManagement;
    6.  
    7. @Configuration
    8. @ComponentScan({"com.itheima.service"})
    9. @PropertySource("classpath:jdbc.properties")
    10. @Import({JdbcConfig.class,MyBatisConfig.class})
    11. @EnableTransactionManagement
    12. public class SpringConfig {
    13. }

    MyBatis：

    MybatisConfig配置类

    1. import org.mybatis.spring.SqlSessionFactoryBean;
    2. import org.mybatis.spring.mapper.MapperScannerConfigurer;
    3. import org.springframework.context.annotation.Bean;
    4.  
    5. import javax.sql.DataSource;
    6.  
    7. public class MyBatisConfig {
    8.  
    9.     @Bean
    10.     public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource){
    11.         SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
    12.         factoryBean.setDataSource(dataSource);
    13.         factoryBean.setTypeAliasesPackage("com.itheima.domain");
    14.         return factoryBean;
    15.     }
    16.  
    17.     @Bean
    18.     public MapperScannerConfigurer mapperScannerConfigurer(){
    19.         MapperScannerConfigurer msc = new MapperScannerConfigurer();
    20.         msc.setBasePackage("com.itheima.dao");
    21.         return msc;
    22.     }
    23. }

    JdbcConfig配置类

    1. import com.alibaba.druid.pool.DruidDataSource;
    2. import org.springframework.beans.factory.annotation.Value;
    3. import org.springframework.context.annotation.Bean;
    4. import org.springframework.jdbc.datasource.DataSourceTransactionManager;
    5. import org.springframework.transaction.PlatformTransactionManager;
    6.  
    7. import javax.sql.DataSource;
    8.  
    9. public class JdbcConfig {
    10.     @Value("${jdbc.driver}")
    11.     private String driver;
    12.     @Value("${jdbc.url}")
    13.     private String url;
    14.     @Value("${jdbc.username}")
    15.     private String username;
    16.     @Value("${jdbc.password}")
    17.     private String password;
    18.  
    19.     @Bean
    20.     public DataSource dataSource(){
    21.         DruidDataSource dataSource = new DruidDataSource();
    22.         dataSource.setDriverClassName(driver);
    23.         dataSource.setUrl(url);
    24.         dataSource.setUsername(username);
    25.         dataSource.setPassword(password);
    26.         return dataSource;
    27.     }
    28.  
    29.     @Bean
    30.     public PlatformTransactionManager transactionManager(DataSource dataSource){
    31.         DataSourceTransactionManager ds = new DataSourceTransactionManager();
    32.         ds.setDataSource(dataSource);
    33.         return ds;
    34.     }
    35. }

    jdbc.properties配置文件

    1. jdbc.driver=com.mysql.jdbc.Driver
    2. jdbc.url=jdbc:mysql://localhost:3306/ssm_db
    3. jdbc.username=root
    4. jdbc.password=root

    SpringMVC：

    ServletConfig配置类

    1. import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
    2.  
    3. public class ServletConfig extends AbstractAnnotationConfigDispatcherServletInitializer {
    4.     protected Class<?>[] getRootConfigClasses() {
    5.         return new Class[]{SpringConfig.class};
    6.     }
    7.  
    8.     protected Class<?>[] getServletConfigClasses() {
    9.         return new Class[]{SpringMvcConfig.class};
    10.     }
    11.  
    12.     protected String[] getServletMappings() {
    13.         return new String[]{"/"};
    14.     }
    15. }

    SpringMvcConfig配置类

    1. import org.springframework.context.annotation.ComponentScan;
    2. import org.springframework.context.annotation.Configuration;
    3. import org.springframework.web.servlet.config.annotation.EnableWebMvc;
    4.  
    5. @Configuration
    6. @ComponentScan("com.itheima.controller")
    7. @EnableWebMvc
    8. public class SpringMvcConfig {
    9. }

    三、功能模块

    表与实体类：

    MySQL数据表字段及数据

     Book实体类

    1. public class Book {
    2.     private Integer id;
    3.     private String type;
    4.     private String name;
    5.     private String description;
    6.  
    7.     @Override
    8.     public String toString() {
    9.         return "Book{" +
    10.                 "id=" + id +
    11.                 ", type='" + type + '\'' +
    12.                 ", name='" + name + '\'' +
    13.                 ", description='" + description + '\'' +
    14.                 '}';
    15.     }
    16.  
    17.     public Integer getId() {
    18.         return id;
    19.     }
    20.  
    21.     public void setId(Integer id) {
    22.         this.id = id;
    23.     }
    24.  
    25.     public String getType() {
    26.         return type;
    27.     }
    28.  
    29.     public void setType(String type) {
    30.         this.type = type;
    31.     }
    32.  
    33.     public String getName() {
    34.         return name;
    35.     }
    36.  
    37.     public void setName(String name) {
    38.         this.name = name;
    39.     }
    40.  
    41.     public String getDescription() {
    42.         return description;
    43.     }
    44.  
    45.     public void setDescription(String description) {
    46.         this.description = description;
    47.     }
    48. }

    dao（接口+自动代理）：

    BookDao接口

    1. import com.itheima.domain.Book;
    2. import org.apache.ibatis.annotations.Delete;
    3. import org.apache.ibatis.annotations.Insert;
    4. import org.apache.ibatis.annotations.Select;
    5. import org.apache.ibatis.annotations.Update;
    6.  
    7. import java.util.List;
    8.  
    9. public interface BookDao {
    10.  
    11. //    两种方法
    12. //    @Insert("insert into tbl_book values(null,#{type},#{name},#{description})")
    13.     @Insert("insert into tbl_book (type,name,description) values(#{type},#{name},#{description})")
    14.     public void save(Book book);
    15.  
    16.     @Update("update tbl_book set type = #{type}, name = #{name}, description = #{description} where id = #{id}")
    17.     public void update(Book book);
    18.  
    19.     @Delete("delete from tbl_book where id = #{id}")
    20.     public void delete(Integer id);
    21.  
    22.     @Select("select * from tbl_book where id = #{id}")
    23.     public Book getById(Integer id);
    24.  
    25.     @Select("select * from tbl_book")
    26.     public List<Book> getAll();
    27. }

    service（接口+实现类）：

    BookService接口

    1. import com.itheima.domain.Book;
    2. import org.springframework.transaction.annotation.Transactional;
    3.  
    4. import java.util.List;
    5.  
    6. @Transactional
    7. public interface BookService {
    8.  
    9.     /**
    10.      * 保存
    11.      * @param book
    12.      * @return
    13.      */
    14.     public boolean save(Book book);
    15.  
    16.     /**
    17.      * 修改
    18.      * @param book
    19.      * @return
    20.      */
    21.     public boolean update(Book book);
    22.  
    23.     /**
    24.      * 按id删除
    25.      * @param id
    26.      * @return
    27.      */
    28.     public boolean delete(Integer id);
    29.  
    30.     /**
    31.      * 按id查询
    32.      * @param id
    33.      * @return
    34.      */
    35.     public Book getById(Integer id);
    36.  
    37.     /**
    38.      * 查询全部
    39.      * @return
    40.      */
    41.     public List<Book> getAll();
    42. }

    BookServiceImpl实现类

    1. import com.itheima.dao.BookDao;
    2. import com.itheima.domain.Book;
    3. import com.itheima.service.BookService;
    4. import org.springframework.beans.factory.annotation.Autowired;
    5. import org.springframework.stereotype.Service;
    6.  
    7. import java.util.List;
    8.  
    9. @Service
    10. public class BookServiceImpl implements BookService {
    11.     @Autowired
    12.     private BookDao bookDao;
    13.  
    14.     public boolean save(Book book) {
    15.         bookDao.save(book);
    16.         return true;
    17.     }
    18.  
    19.     public boolean update(Book book) {
    20.         bookDao.update(book);
    21.         return true;
    22.     }
    23.  
    24.     public boolean delete(Integer id) {
    25.         bookDao.delete(id);
    26.         return true;
    27.     }
    28.  
    29.     public Book getById(Integer id) {
    30.         return bookDao.getById(id);
    31.     }
    32.  
    33.     public List<Book> getAll() {
    34.         return bookDao.getAll();
    35.     }
    36. }

    基于Restful的Controller开发

    1. import com.itheima.domain.Book;
    2. import com.itheima.service.BookService;
    3. import org.springframework.beans.factory.annotation.Autowired;
    4. import org.springframework.web.bind.annotation.*;
    5.  
    6. import java.util.List;
    7.  
    8. @RestController
    9. @RequestMapping("/books")
    10. public class BookController {
    11.  
    12.     @Autowired
    13.     private BookService bookService;
    14.  
    15.     @PostMapping
    16.     public boolean save(@RequestBody Book book) {
    17.         return bookService.save(book);
    18.     }
    19.  
    20.     @PutMapping
    21.     public boolean update(@RequestBody Book book) {
    22.         return bookService.update(book);
    23.     }
    24.  
    25.     @DeleteMapping("/{id}")
    26.     public boolean delete(@PathVariable Integer id) {
    27.         return bookService.delete(id);
    28.     }
    29.  
    30.     @GetMapping("/{id}")
    31.     public Book getById(@PathVariable Integer id) {
    32.         return bookService.getById(id);
    33.     }
    34.  
    35.     @GetMapping
    36.     public List<Book> getAll() {
    37.         return bookService.getAll();
    38.     }
    39. }

    三、接口测试

    业务层接口测试（整合JUnit）:

    BookServiceTest测试类

    1. import com.itheima.config.SpringConfig;
    2. import com.itheima.domain.Book;
    3. import org.junit.Test;
    4. import org.junit.runner.RunWith;
    5. import org.springframework.beans.factory.annotation.Autowired;
    6. import org.springframework.test.context.ContextConfiguration;
    7. import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    8.  
    9. import java.util.List;
    10.  
    11. @RunWith(SpringJUnit4ClassRunner.class)
    12. @ContextConfiguration(classes = SpringConfig.class)
    13. public class BookServiceTest {
    14.  
    15.     @Autowired
    16.     private BookService bookService;
    17.  
    18.     @Test
    19.     public void testGetById(){
    20.         Book book = bookService.getById(1);
    21.         System.out.println(book);
    22.     }
    23.  
    24.     @Test
    25.     public void testGetAll(){
    26.         List<Book> all = bookService.getAll();
    27.         System.out.println(all);
    28.     }
    29. }

     测试结果

    表现层接口测试（PostMan）：

    保存图书

     PostMan及MySQL变化

     修改图书

      PostMan及MySQL变化

     删除图书

      PostMan及MySQL变化

     查询单个图书

       PostMan变化

     查询所有图书

     

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  • 原文地址：https://blog.csdn.net/m0_61961937/article/details/125529208