集成MySQL以及MyBatis Plus并在单元测试中查询数据通过

db/init.sql

+# 创建用户表
+CREATE TABLE user (
+    id BIGINT(20) PRIMARY KEY NOT NULL COMMENT '主键',
+    name VARCHAR(30) DEFAULT NULL COMMENT '姓名',
+    age INT(11) DEFAULT NULL COMMENT '年龄',
+    email VARCHAR(50) DEFAULT NULL COMMENT '邮箱',
+    manager_id BIGINT(20) DEFAULT NULL COMMENT '直属上级id',
+    create_time DATETIME DEFAULT NULL COMMENT '创建时间'
+) ENGINE=INNODB CHARSET=UTF8;
+
+# 初始化数据
+INSERT INTO user (id, name, age, email, manager_id, create_time) VALUES (1087982257332887553, '大boss', 40, 'boss@baomidou.com', NULL, '2019-01-11 14:20:20'),(1088248166370832385, '王天风', 25, 'wtf@baomidou.com', 1087982257332887553, '2019-02-05 11:12:22'),(1088250446457389058, '李艺伟', 28, 'lyw@baomidou.com', 1088248166370832385, '2019-02-14 08:31:16'),(1094590409767661570, '张雨琪', 31, 'zjq@baomidou.com', 1088248166370832385, '2019-01-14 09:15:15'),(1094592041087729666, '刘红雨', 32, 'lhm@baomidou.com', 1088248166370832385, '2019-01-14 09:48:16');

pom.xml

@@ -24,6 +24,23 @@
             <artifactId>spring-boot-starter-hateoas</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.2.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

src/main/java/cloud/epx/framework/learningdeploy/LearningDeployApplication.java → src/main/java/cloud/epx/framework/learning/deploy/LearningDeployApplication.java

-package cloud.epx.framework.learningdeploy;
+package cloud.epx.framework.learning.deploy;
 
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
+@MapperScan("cloud.epx.framework.learning.deploy.dao")
 public class LearningDeployApplication {
 
     public static void main(String[] args) {

src/main/java/cloud/epx/framework/learning/deploy/dao/UserMapper.java

+package cloud.epx.framework.learning.deploy.dao;
+
+import cloud.epx.framework.learning.deploy.entity.User;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+ * @Description UserMapper
+ * @Author wangjian
+ * @Date 2019/9/23 6:45 下午
+ */
+public interface UserMapper extends BaseMapper<User> {
+}

src/main/java/cloud/epx/framework/learning/deploy/entity/User.java

+package cloud.epx.framework.learning.deploy.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+/**
+ * @Description 用户表实体类
+ * @Author wangjian
+ * @Date 2019/9/23 6:42 下午
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class User {
+    private Long id;
+    private String name;
+    private Integer age;
+    private String email;
+    private Long managerId;
+    private LocalDateTime createTime;
+}

src/main/resources/application.properties

-

src/main/resources/application.yaml

+server:
+  port: 8081
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: root
+    password: 123456
+    url: jdbc:mysql://${MYSQL-HOST:127.0.0.1}:${MYSQL-PORT:3306}/${MYSQL-DB:learning}?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true
+logging:
+  level:
+    root: warn
+    cloud.epx.framework.learning.deploy.dao: trace
+  pattern:
+    console: '%p%m%n'

src/test/java/cloud/epx/framework/learningdeploy/LearningDeployApplicationTests.java → src/test/java/cloud/epx/framework/learning/deploy/LearningDeployApplicationTests.java

-package cloud.epx.framework.learningdeploy;
+package cloud.epx.framework.learning.deploy;
 
+import cloud.epx.framework.learning.deploy.dao.UserMapper;
+import cloud.epx.framework.learning.deploy.entity.User;
+import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import javax.annotation.Resource;
+import java.util.List;
+
 @RunWith(SpringRunner.class)
 @SpringBootTest
 public class LearningDeployApplicationTests {
 
+    @Resource
+    UserMapper userMapper;
+
     @Test
     public void contextLoads() {
+        List<User> users = userMapper.selectList(null);
+        Assert.assertEquals(5, users.size());
+
+        users.forEach(System.out::println);
+
     }
 
 }