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+# 复习之全文背诵2
+
+## com.mdd.config
+
+### 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[]{"/"};
+    }
+}
+
+```
+
+### 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 {
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry){
+        registry.addResourceHandler("/index.html").addResourceLocations("index.html");
+    }
+}
+
+```
+
+### 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 {
+}
+
+```
+
+### 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.domian");
+         return ssfb;
+     }
+
+     @Bean
+    public MapperScannerConfigurer mapperScannerConfigurer(){
+         MapperScannerConfigurer msc = new MapperScannerConfigurer();
+         msc.setBasePackage("com.mdd.mapper");
+         return msc;
+     }
+}
+
+```
+
+### 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:///ssm1");
+        ds.setUsername("root");
+        ds.setPassword("123456");
+        return ds;
+    }
+}
+
+```
+
+## controller
+
+### BookController
+
+```java
+package com.mdd.Controller;
+
+import com.mdd.domian.Book;
+import com.mdd.service.impl.BookServiceImpl;
+import org.apache.ibatis.annotations.Delete;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/books")
+public class BookController {
+    @Autowired
+    public BookServiceImpl bookService;
+
+    @GetMapping
+    public List<Book> getAll(){
+       return bookService.getAll();
+    }
+
+    @GetMapping("/{id}")
+    public List<Book> getAllByid(@PathVariable Integer id){
+        return bookService.getAllByid(id);
+    }
+
+    @PutMapping
+    public void updataAll(@RequestBody Book book){
+        bookService.updataAll(book);
+    }
+
+    @PostMapping
+    public void addAll(@RequestBody Book book){
+        bookService.addAll(book);
+    }
+
+    @DeleteMapping("/{id}")
+    public void delAll(@PathVariable Integer id){
+        bookService.delAll(id);
+    }
+}
+
+```
+
+## domain
+
+### Book
+
+```java
+package com.mdd.domian;
+
+public class Book {
+   private Integer id;
+   private String bookName;
+   private String author;
+   private String 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;
+    }
+
+    @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;
+    }
+}
+
+```
+
+## mapper
+
+### BookMapper（接口）
+
+```java
+package com.mdd.mapper;
+
+import com.mdd.domian.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 bookName, author, publisher from tb_book order by id desc")
+    List<Book> getAll();
+
+    @Select("select id, book_name bookName, author, publisher from tb_book where id=#{id} order by id desc")
+    List<Book> getAllByid(Integer id);
+
+    @Update("update tb_book set  book_name=#{bookName},author=#{author},publisher=#{publisher}  where id=#{id};")
+    void updataAll(Book book);
+
+    @Insert("insert into tb_book(book_name, author, publisher) VALUES (#{bookName}, #{author}, #{publisher})")
+    void addAll(Book book);
+
+    @Delete("delete from tb_book where id=#{id}")
+    void delAll(Integer id);
+}
+
+```
+
+## Service
+
+### Impl.BookServiceImpl
+
+```java
+package com.mdd.service.impl;
+
+import com.mdd.domian.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
+    public BookMapper bookMapper;
+
+    public List<Book> getAll() {
+        return bookMapper.getAll();
+    }
+
+    public List<Book> getAllByid(Integer id) {
+        return bookMapper.getAllByid(id);
+    }
+
+    public void updataAll(Book book) {
+        bookMapper.updataAll(book);
+    }
+
+    public void addAll(Book book) {
+        bookMapper.addAll(book);
+    }
+
+    public void delAll(Integer id) {
+        bookMapper.delAll(id);
+    }
+
+
+}
+
+```
+
+### BookService（接口）
+
+```java
+package com.mdd.service;
+
+import com.mdd.domian.Book;
+
+import java.util.List;
+
+public interface BookService {
+
+    List<Book> getAll();
+
+
+    List<Book> getAllByid(Integer id);
+
+
+    void updataAll(Book book);
+
+    void addAll(Book book);
+
+    void delAll(Integer id);
+}
+
+```
+