Initial commit

springboot_08_ssmp/src/main/java/com/yv/Springboot08SsmpApplication.java

@@ -3,11 +3,14 @@ package com.yv;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * @author YoVinchen
+ */
 @SpringBootApplication
 public class Springboot08SsmpApplication {
 
-	public static void main(String[] args) {
-		SpringApplication.run(Springboot08SsmpApplication.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(Springboot08SsmpApplication.class, args);
+    }
 
 }

springboot_08_ssmp/src/main/java/com/yv/admain/Book.java

@@ -0,0 +1,18 @@
+package com.yv.admain;
+
+import lombok.Data;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 9:24
+ *
+ * lombok
+ */
+
+@Data
+public class Book {
+    private int id;
+    private String type;
+    private String name;
+    private String description;
+}

springboot_08_ssmp/src/main/java/com/yv/dao/BookDao.java

@@ -0,0 +1,14 @@
+package com.yv.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yv.admain.Book;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 9:31
+ */
+@Mapper
+public interface BookDao extends BaseMapper<Book> {
+
+}

springboot_08_ssmp/src/main/resources/application.yml

@@ -1,16 +1,19 @@
-# 配置相关配置
-#spring:
-#  datasource:
-#    driver-class-name: com.mysql.jdbc.Driver
-#    url: jdbc:mysql://localhost:3306/ssm_db?useSSL=false
-#    username: root
-#    password: 8520
-#    type: com.alibaba.druid.pool.DruidDataSource
-
+#数据库配置
 spring:
   datasource:
     druid:
       driver-class-name: com.mysql.jdbc.Driver
-      url: jdbc:mysql://localhost:3306/ssm_db?useSSL=false
+      url: jdbc:mysql://localhost:3306/ssm_db?useSSL=false&useUnicode=true&characterEncoding=utf8
       username: root
-      password: 8520
+      password: 8520
+
+#配置Mp相关配置
+mybatis-plus:
+  global-config:
+    db-config:
+      table-prefix: tbl_
+      id-type: auto
+
+#端口配置
+server:
+  port: 8080

springboot_08_ssmp/src/test/java/com/yv/SMMPApplicationTests.java

@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class Springboot08SsmpApplicationTests {
+class SMMPApplicationTests {
 
 	@Test
 	void contextLoads() {

springboot_08_ssmp/src/test/java/com/yv/dao/BookDaoTest.java

@@ -0,0 +1,82 @@
+package com.yv.dao;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.yv.admain.Book;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 9:33
+ */
+@SpringBootTest
+public class BookDaoTest {
+
+    @Autowired
+    private BookDao bookDao;
+
+    @Test
+    void contextLoads() {
+        System.out.println(bookDao.selectById(1));
+    }
+
+    @Test
+    void testSave() {
+        Book book = new Book();
+        book.setType("测试数据123");
+        book.setName("测试数据123");
+        book.setDescription("测试数据123");
+        bookDao.insert(book);
+    }
+
+    @Test
+    void testUpdate() {
+        Book book = new Book();
+        book.setId(14);
+        book.setType("测试数据abcdefg");
+        book.setName("测试数据123");
+        book.setDescription("测试数据123");
+        bookDao.updateById(book);
+    }
+
+    @Test
+    void testDelete() {
+        bookDao.deleteById(15);
+    }
+
+    @Test
+    void testGetAll() {
+        System.out.println(bookDao.selectList(null));
+    }
+
+    @Test
+    void testGetPage() {
+        IPage page = new Page(2, 5);
+        bookDao.selectPage(page, null);
+        System.out.println(page.getCurrent());
+        System.out.println(page.getSize());
+        System.out.println(page.getTotal());
+        System.out.println(page.getPages());
+        System.out.println(page.getRecords());
+    }
+
+    @Test
+    void testGetBy() {
+        QueryWrapper<Book> qw = new QueryWrapper<>();
+        qw.like("name", "Spring");
+        bookDao.selectList(qw);
+    }
+
+    @Test
+    void testGetBy2() {
+        String name = "1";
+        LambdaQueryWrapper<Book> lqw = new LambdaQueryWrapper<Book>();
+        //if(name != null) lqw.like(Book::getName,name);
+        lqw.like(name != null, Book::getName, name);
+        bookDao.selectList(lqw);
+    }
+}