diff --git "a/03 \350\265\226\345\277\203\345\246\215/20240110 \346\262\241\346\234\211R\345\222\214Code\347\211\210\347\232\204ssm\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md" "b/03 \350\265\226\345\277\203\345\246\215/20240110 \346\262\241\346\234\211R\345\222\214Code\347\211\210\347\232\204ssm\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md" new file mode 100644 index 0000000000000000000000000000000000000000..2118fbf860b6a08446a13bb4baa46deb8f6607ed --- /dev/null +++ "b/03 \350\265\226\345\277\203\345\246\215/20240110 \346\262\241\346\234\211R\345\222\214Code\347\211\210\347\232\204ssm\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md" @@ -0,0 +1,321 @@ +## 没有R和Code版的ssm图书管理系统 + +### com.mdd.config + +#### JdbcConfig + +```java +package com.mdd.config; + +import com.alibaba.druid.pool.DruidDataSource; +import org.springframework.context.annotation.Bean; + +import javax.sql.DataSource; + +public class JdbcConfig { + @Bean + public DataSource dataSource(){ + DruidDataSource ds = new DruidDataSource(); + ds.setDriverClassName("com.mysql.cj.jdbc.Driver"); + ds.setUrl("jdbc:mysql:///ssm"); + ds.setUsername("root"); + ds.setPassword("root"); + return ds; + } +} +``` + +#### MybatisConfig + +```java +package com.mdd.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 sqlSessionFactoryBean(DataSource dataSource){ + SqlSessionFactoryBean ssfb = new SqlSessionFactoryBean(); + ssfb.setDataSource(dataSource); + ssfb.setTypeAliasesPackage("com.mdd.domain"); + return ssfb; + } + @Bean + public MapperScannerConfigurer mapperScannerConfigurer(){ + MapperScannerConfigurer msc = new MapperScannerConfigurer(); + msc.setBasePackage("com.mdd.mapper"); + return msc; + } +} +``` + +#### SpringConfig + +```java +package com.mdd.config; + +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Import; + +@Configuration +@ComponentScan({"com.mdd.service","com.mdd.mapper"}) +@Import({JdbcConfig.class, MybatisConfig.class}) +public class SpringConfig { +} +``` + +#### SpringMvcConfig + +```java +package com.mdd.config; + +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; +import org.springframework.web.servlet.config.annotation.EnableWebMvc; +import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; +import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; + +@Configuration +@ComponentScan("com.mdd.controller") +@EnableWebMvc +public class SpringMvcConfig implements WebMvcConfigurer { + public void addResourceHandlers(ResourceHandlerRegistry registry) { + registry.addResourceHandler("/index.html").addResourceLocations("/index.html"); + } +} +``` + +#### WebConfig + +```java +package com.mdd.config; + +import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer; + +public class WebConfig extends AbstractAnnotationConfigDispatcherServletInitializer { + protected Class[] getRootConfigClasses() { + return new Class[]{SpringConfig.class}; + } + + protected Class[] getServletConfigClasses() { + return new Class[]{SpringMvcConfig.class}; + } + + protected String[] getServletMappings() { + return new String[]{"/"}; + } +} +``` + +### com.mdd.controller + +#### BookController + +```java +package com.mdd.controller; + +import com.mdd.domain.Book; +import com.mdd.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; + @GetMapping + public List getBook(){ + return bookService.getBook(); + } + @PostMapping + public void insertBook(@RequestBody Book book){ + bookService.insertBook(book); + } + @DeleteMapping("/{id}") + public void deleteBook(@PathVariable Integer id){ + bookService.deleteBook(id); + } + @PutMapping + public void updateBook(@RequestBody Book book){ + bookService.updateBook(book); + } + @GetMapping("/{id}") + public List selectById(@PathVariable Integer id){ + return bookService.selectById(id); + } +} +``` + +### com.mdd.domain + +#### Book + +```java +package com.mdd.domain; + +public class Book { + private Integer id; + private String bookName; + private String author; + private String publisher; + + @Override + public String toString() { + return "Book{" + + "id=" + id + + ", bookName='" + bookName + '\'' + + ", author='" + author + '\'' + + ", publisher='" + publisher + '\'' + + '}'; + } + + public Integer getId() { + return id; + } + + public void setId(Integer id) { + this.id = id; + } + + public String getBookName() { + return bookName; + } + + public void setBookName(String bookName) { + this.bookName = bookName; + } + + public String getAuthor() { + return author; + } + + public void setAuthor(String author) { + this.author = author; + } + + public String getPublisher() { + return publisher; + } + + public void setPublisher(String publisher) { + this.publisher = publisher; + } + + public Book() { + } + + public Book(Integer id, String bookName, String author, String publisher) { + this.id = id; + this.bookName = bookName; + this.author = author; + this.publisher = publisher; + } +} +``` + +### com.mdd.mapper + +#### BookMapper接口 + +```java +package com.mdd.mapper; + +import com.mdd.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 BookMapper { + @Select("select id,book_name as bookName,author,publisher from tb_book;") + List getBook(); + + @Insert("insert into tb_book(book_name,author,publisher) values (#{bookName},#{author},#{publisher})") + void insertBook(Book book); + + @Delete("delete from tb_book where id = #{id};") + void deleteBook(Integer id); + + @Update("update tb_book set book_name = #{bookName},author = #{author},publisher = #{publisher} where id = #{id};") + void updateBook(Book book); + + @Select("select id,book_name as bookName,author,publisher from tb_book where id = #{id};") + List selectById(Integer id); +} +``` + +### com.mdd.service + +#### BookService接口 + +```java +package com.mdd.service; + +import com.mdd.domain.Book; + +import java.util.List; + +public interface BookService { + List getBook(); + + void insertBook(Book book); + + void deleteBook(Integer id); + + void updateBook(Book book); + + List selectById(Integer id); +} +``` + +### com.mdd.service.impl + +#### BookServiceImpl + +```java +package com.mdd.service.impl; + +import com.mdd.domain.Book; +import com.mdd.mapper.BookMapper; +import com.mdd.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 BookMapper bookMapper; + public List getBook() { + return bookMapper.getBook(); + } + + public void insertBook(Book book) { + bookMapper.insertBook(book); + } + + public void deleteBook(Integer id) { + bookMapper.deleteBook(id); + } + + public void updateBook(Book book) { + bookMapper.updateBook(book); + } + + public List selectById(Integer id) { + return bookMapper.selectById(id); + } +} +``` +