import lombok

pom.xml

@@ -25,6 +25,10 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jdbc</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
@@ -34,6 +38,16 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.1.4</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>1.1.10</version>
+        </dependency>
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>

src/main/java/com/example/springbootdemo/controller/HelloController.java

@@ -5,6 +5,7 @@ import com.example.springbootdemo.zxyTeST.sql.dao.ColorRepository;
 import com.example.springbootdemo.zxyTeST.sql.entity.ArmGrabEntity;
 import com.example.springbootdemo.zxyTeST.sql.entity.Color;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.EmptyResultDataAccessException;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -32,10 +33,16 @@ public class HelloController {
     }
     @RequestMapping("/jdbc")
     public String jdbc() {
-        String sql = "select color_name from wb_tbl_color where color_id = ?";
-        String color_name = (String)jdbcTemplate.queryForObject(
-                sql, new Object[] { 2314 }, String.class);
-        return color_name;
+        String sql = "select color_name from wb_tbl_color where color_id = ? and color_type = ?";
+        try {
+            String color_name = jdbcTemplate.queryForObject(
+                    sql, new Object[] { 2314, 1 }, String.class);
+            return color_name;
+        } catch (EmptyResultDataAccessException e) {
+            return "hha我snull";
+        }
+
+
     }
 
 

src/main/java/com/example/springbootdemo/entity/FootScanEntity.java

@@ -0,0 +1,24 @@
+package com.example.springbootdemo.entity;
+
+import lombok.Data;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import java.io.Serializable;
+
+/**
+ * @author zhangxiaoyu
+ * @version 1.0
+ * @date 2021/5/31 下午5:14
+ */
+@Entity
+@Data
+@Table(name = "wb_tbl_foot_scan")
+public class FootScanEntity implements Serializable {
+    @Id
+    @GeneratedValue
+    private Integer footScanId;
+    private String deviceCode;
+}

src/main/java/com/example/springbootdemo/mapper/FootScanMapper.java

@@ -0,0 +1,12 @@
+package com.example.springbootdemo.mapper;
+
+import org.springframework.stereotype.Repository;
+
+/**
+ * @author zhangxiaoyu
+ * @version 1.0
+ * @date 2021/5/31 下午5:20
+ */
+@Repository
+public interface FootScanMapper {
+}

src/main/java/com/example/springbootdemo/zxyTeST/druid/MyDataSource.java

@@ -0,0 +1,38 @@
+package com.example.springbootdemo.zxyTeST.druid;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.support.http.StatViewServlet;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.web.servlet.ServletRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import javax.sql.DataSource;
+import java.sql.SQLException;
+
+/**
+ * @author zhangxiaoyu
+ * @version 1.0
+ * @date 2021/5/31 下午2:25
+ */
+//@Configuration
+public class MyDataSource {
+//    @ConfigurationProperties(prefix = "spring.datasource")
+    @Bean
+    public DataSource dataSource() throws SQLException {
+        DruidDataSource druidDataSource = new DruidDataSource();
+        // jiaru jiankong
+        druidDataSource.setFilters("stat,wall");
+        return  druidDataSource;
+    }
+    @Bean
+    public ServletRegistrationBean servletRegistrationBean() {
+        StatViewServlet statViewServlet = new StatViewServlet();
+        ServletRegistrationBean registrationBean = new ServletRegistrationBean(statViewServlet,"/druid/*");
+        registrationBean.addInitParameter("loginUsername","zxy");
+        registrationBean.addInitParameter("loginPassword","111123");
+
+        return registrationBean;
+    }
+
+}

src/main/resources/application-dev.yml

@@ -11,12 +11,20 @@ server:
   port: 8082
 spring:
   datasource:
-    url: jdbc:mysql://192.168.2.130:3306/ceshi?zeroDateTimeBehavior=convertToNull&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
-    username: root
-    password: 123456
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    druid:
+      filters: stat,wall
+      stat-view-servlet:
+        enabled: true
+        login-username: zxy
+        login-password: 123456
+      driver-class-name: com.mysql.cj.jdbc.Driver
+      url: jdbc:mysql://192.168.2.130:3306/ceshi?zeroDateTimeBehavior=convertToNull&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+      username: root
+      password: 123456
   jpa:
     database-platform: org.hibernate.dialect.MySQL5InnoDBDialect
     open-in-view: false
   freemarker:
     cache: false
+mybatis:
+#  config-location:

src/main/resources/mapper/ColorMapper.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="">
+    <!--namespace根据自己需要创建的的mapper的路径和名称填写-->
+</mapper>

src/test/java/com/example/springbootdemo/SpringbootdemoApplicationTests.java

@@ -1,13 +1,25 @@
 package com.example.springbootdemo;
 
+import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.jdbc.core.JdbcTemplate;
 
+import javax.sql.DataSource;
+
+@Slf4j
 @SpringBootTest
 class SpringbootdemoApplicationTests {
-
+    @Autowired
+    JdbcTemplate jdbcTemplate;
+    @Autowired
+    DataSource dataSource;
     @Test
     void contextLoads() {
+        Long count = jdbcTemplate.queryForObject("select count(*) from wb_tbl_color",Long.class);
+        log.info("记录 all count {}",count);
+        log.info("数据源类型 {}",dataSource.getClass());
     }
 
 }