SpringMVC第四天(SSM整合)
SSM整合流程
1.创建工程
2.SSM整合
①Spring
SpringConfig
package com.cacb.config;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.PropertySource;
@Configuration
@ComponentScan("com.cacb.service")
@PropertySource("jdbc.properties")
@Import({JdbcConfig.class,MybatisConfig.class})
public class SpringConfig {
}
②MyBatis
MybatisConfig
package com.cacb.config;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import javax.sql.DataSource;
public class MybatisConfig {
@Bean
public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource){
SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
factoryBean.setDataSource(dataSource);
factoryBean.setTypeAliasesPackage("com.cacb.domain");
return factoryBean;
}
@Bean
public MapperScannerConfigurer mapperScannerConfigurer(){
MapperScannerConfigurer msc = new MapperScannerConfigurer();
msc.setBasePackage("com.cacb.dao");
return msc;
}
}
JdbcConfig
package com.cacb.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import javax.sql.DataSource;
public class JdbcConfig {
@Value("${jdbc.driver}")
private String driver;
@Value("${jdbc.url}")
private String url;
@Value("${jdbc.username}")
private String username;
@Value("${jdbc.password}")
private String password;
@Bean
public DataSource dataSource(){
DruidDataSource dataSource = new DruidDataSource();
dataSource.setDriverClassName(driver);
dataSource.setUrl(url);
dataSource.setUsername(username);
dataSource.setPassword(password);
return dataSource;
}
}
jbdc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:"//localhost:3306/cary_cacb
jdbc.username=
jdbc.password=③SpringMVC
ServletConfig
package com.cacb.config;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class ServletConfig extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class[] getRootConfigClasses() {
return new Class[]{SpringConfig.class};
}
@Override
protected Class[] getServletConfigClasses() {
return new Class[]{SpringMvcConfig.class};
}
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
}
SpringMvcConfig
package com.cacb.config;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@Configuration
@ComponentScan("com.cacb.controller")
@EnableWebMvc
public class SpringMvcConfig {
}
3.功能模块
表与实体块
package com.cacb.domain;
public class Book {
private Integer id;
private String type;
private String name;
private String description;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String toString() {
return "Book{" +
"id=" + id +
", type='" + type + '\'' +
", name='" + name + '\'' +
", description='" + description + '\'' +
'}';
}
}
dao(接口+自动代理)
package com.cacb.dao;
import com.cacb.domain.Book;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import java.util.List;
public interface BookDao {
@Insert("insert into tbl_book values(null,#{type},#{name},#{description})")
public void save(Book book);
@Update("update tbl_boook set type=#{type},name=#{name},description=#{description} where id = #{id}")
public void update(Book book);
@Delete("delete from tbl_book where id = #{id}")
public void delete(Integer id);
@Select("select * from tbl_book where id = #{id}")
public Book getById(Integer id);
@Select("select * from tbl_book")
public List getAll();
}
service(接口+实现类)
package com.cacb.service;
import com.cacb.domain.Book;
import java.util.List;
public interface BookService {
public boolean save(Book book);
public boolean update(Book book);
public boolean delete(Integer id);
public Book getById(Integer id);
public List getAll();
}
package com.cacb.service.impl;
import com.cacb.dao.BookDao;
import com.cacb.domain.Book;
import com.cacb.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class BookServiceImpl implements BookService {
@Autowired
private BookDao bookDao;
@Override
public boolean save(Book book) {
bookDao.save(book);
return true;
}
@Override
public boolean update(Book book) {
bookDao.update(book);
return true;
}
@Override
public boolean delete(Integer id) {
bookDao.delete(id);
return true;
}
@Override
public Book getById(Integer id) {
bookDao.getById(id);
return null;
}
@Override
public List getAll() {
bookDao.getAll();
return null;
}
}
业务层接口测试
package com.cacb.service;
import com.cacb.config.SpringConfig;
import com.cacb.domain.Book;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = SpringConfig.class)
public class BookServiceTest {
@Autowired
private BookService bookService;
@Test
public void testGetById(){
Book book = bookService.getById(1);
System.out.println(book);
}
}controller
package com.cacb.controller;
import com.cacb.domain.Book;
import com.cacb.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
@RequestMapping("/books")
public class BookController {
@Autowired
private BookService bookService;
@PostMapping
public boolean save(@RequestBody Book book) {
return bookService.save(book);
}
@PutMapping
public boolean update(@RequestBody Book book) {
return bookService.update(book);
}
@DeleteMapping( "/{id}")
public boolean delete(@PathVariable Integer id) {
return bookService.delete(id);
}
@GetMapping("/{id}")
public Book getById(@PathVariable Integer id) {
return bookService.getById(id);
}
@GetMapping
public List getAll() {
return bookService.getAll();
}
}