'commit'

SpringBootMybatis/SpringBootMybatis/src/main/java/com/wanman/springbootmybatis/mapper/ArticleMapper.java

@@ -4,9 +4,15 @@ import com.wanman.springbootmybatis.entity.Article;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
+import java.util.List;
+
 @Mapper
 public interface ArticleMapper {
     //根据ID查询
     @Select("select * from t_article where id = #{id}")
     public Article getArticleById(int id);
+
+    //查询所有
+    @Select("select * from t_article")
+    public List<Article> getAllArticle();
 }

SpringBootMybatis/SpringBootMybatis/src/main/resources/application.properties

@@ -3,4 +3,6 @@ spring.application.name=SpringBootMybatis
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
 spring.datasource.url=jdbc:mysql://10.10.14.210:22066/HuangHai_db?useUnicode=true&characterEncoding=utf-8&useSSL=false
 spring.datasource.username=root
-spring.datasource.password=DsideaL147258369
+spring.datasource.password=DsideaL147258369
+
+logging.level.com.wanman.springbootmybatis.mapper=debug

SpringBootMybatis/SpringBootMybatis/src/test/java/com/wanman/springbootmybatis/SpringBootMybatisApplicationTests.java

@@ -6,6 +6,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 @SpringBootTest
 class SpringBootMybatisApplicationTests {
@@ -14,9 +15,17 @@ class SpringBootMybatisApplicationTests {
     private ArticleMapper articleMapper;
 
     @Test
-    void contextLoads() {
+    void testGetArticleById() {
         Article brean = articleMapper.getArticleById(1);
         System.out.println(brean);
+
+
+    }
+
+    @Test
+    void testGetAllArticle() {
+        List<Article> list = articleMapper.getAllArticle();
+        System.out.println(list);
     }
 
 }