增加spring boot mybatis 整合用例

README.md

@@ -54,7 +54,7 @@ spring-cloud：Finchley.SR2
 | [spring-boot-tomcat](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-tomcat) | spring-boot 整合外部容器（tomcat） | [Use Another Web Server](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#howto-use-another-web-server) |
 | [spring-boot-jsp](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-jsp) | spring-boot 整合 jsp               | [JSP Limitations](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-jsp-limitations) |
 | spring-boot-jpa                                              | spring-boot jpa 的使用             | [Spring Data JPA](https://docs.spring.io/spring-data/jpa/docs/2.1.3.RELEASE/reference/html/) |
-| spring-boot-mybatis                                          | spring-boot 整合 mybatis           | [Mybatis-Spring](http://www.mybatis.org/spring/zh/index.html) |
+| spring-boot-mybatis                                          | spring-boot 整合 mybatis           | [Mybatis-Spring](http://www.mybatis.org/spring/zh/index.html)<br/>[Mybatis-Spring-Boot-Autoconfigure](http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure/) |
 | spring-boot-druid-mybtais                                    | spring-boot 整合druid、mybatis     | [Alibaba druid](https://github.com/alibaba/druid/wiki/%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98) |
 | [spring-boot-redis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-redis) | spring-boot 整合 redis             | [Working with NoSQL Technologies](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-nosql) |
 | [spring-boot-mongodb](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-mongodb) | spring-boot 整合 mongodb           | [Working with NoSQL Technologies](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-nosql) |

spring-boot/spring-boot-mybatis/pom.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.1.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.heibaiying</groupId>
+    <artifactId>spring-boot-mybatis</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-boot-mybatis</name>
+    <description>mybatis project for Spring Boot</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <!--spring 1.5 x 以上版本对应 mybatis 1.3.x (1.3.1)
+        关于更多spring-boot 与 mybatis 的版本对应可以参见 <a href="http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure/">-->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>1.3.2</version>
+        </dependency>
+        <!--引入mysql驱动-->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.13</version>
+        </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>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-boot/spring-boot-mybatis/src/main/java/com/heibaiying/springboot/SpringBootMybatisApplication.java

@@ -0,0 +1,14 @@
+package com.heibaiying.springboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootMybatisApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootMybatisApplication.class, args);
+    }
+
+}
+

spring-boot/spring-boot-mybatis/src/main/java/com/heibaiying/springboot/bean/Programmer.java

@@ -0,0 +1,38 @@
+package com.heibaiying.springboot.bean;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+import java.util.Date;
+
+/**
+ * @author : heibaiying
+ * @description : 实体类
+ */
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+public class Programmer {
+
+    private int id;
+
+    private String name;
+
+    private int age;
+
+    private float salary;
+
+    private Date birthday;
+
+    public Programmer(String name, int age, float salary, Date birthday) {
+        this.name = name;
+        this.age = age;
+        this.salary = salary;
+        this.birthday = birthday;
+    }
+
+}

spring-boot/spring-boot-mybatis/src/main/java/com/heibaiying/springboot/dao/ProgrammerDao.java

@@ -0,0 +1,25 @@
+package com.heibaiying.springboot.dao;
+
+import com.heibaiying.springboot.bean.Programmer;
+import org.apache.ibatis.annotations.*;
+
+import java.util.List;
+
+/**
+ * @author : heibaiying
+ */
+@Mapper
+public interface ProgrammerDao {
+
+    @Insert("insert into programmer (name, age, salary, birthday) VALUES (#{name}, #{age}, #{salary}, #{birthday})")
+    void save(Programmer programmer);
+
+    @Select("select * from programmer where name = #{id}")
+    Programmer selectById(int id);
+
+    @Update("update programmer set name=#{name},age=#{age},salary=#{salary},birthday=#{birthday} where id=#{id}")
+    int modify(Programmer programmer);
+
+    @Delete(" delete from programmer where id = #{id}")
+    void delete(int id);
+}

spring-boot/spring-boot-mybatis/src/main/java/com/heibaiying/springboot/dao/ProgrammerMapper.java

@@ -0,0 +1,22 @@
+package com.heibaiying.springboot.dao;
+
+import com.heibaiying.springboot.bean.Programmer;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * @author : heibaiying
+ */
+
+@Mapper
+public interface ProgrammerMapper {
+
+    void save(Programmer programmer);
+
+    Programmer selectById(int id);
+
+    int modify(Programmer programmer);
+
+    void delete(int id);
+}

spring-boot/spring-boot-mybatis/src/main/resources/application.yml

@@ -0,0 +1,55 @@
+spring:
+  datasource:
+    url: jdbc:mysql://127.0.0.1:3306/mysql?useUnicode=true&characterEncoding=utf-8
+    username: root
+    password: root
+    driver-class-name: com.mysql.cj.jdbc.Driver
+
+    # 如果不想配置数据源的话,以下关于连接池的配置就不是必须的
+    # spring-boot 2 默认采用高性能的 Hikari 作为连接池 更多配置可以参考 https://github.com/brettwooldridge/HikariCP#configuration-knobs-baby
+    type: com.zaxxer.hikari.HikariDataSource
+    hikari:
+      # 池中维护的最小空闲连接数
+      minimum-idle: 10
+      # 池中最大连接数，包括闲置和使用中的连接
+      maximum-pool-size: 20
+      # 此属性控制从池返回的连接的默认自动提交行为。默认为true
+      auto-commit: true
+      # 允许最长空闲时间
+      idle-timeout: 30000
+      # 此属性表示连接池的用户定义名称，主要显示在日志记录和JMX管理控制台中，以标识池和池配置。 默认值：自动生成
+      pool-name: custom-hikari
+      #此属性控制池中连接的最长生命周期，值0表示无限生命周期，默认1800000即30分钟
+      max-lifetime: 1800000
+      # 数据库连接超时时间,默认30秒，即30000
+      connection-timeout: 30000
+      # 连接测试sql 这个地方需要根据数据库方言差异而配置 例如 oracle 就应该写成  select 1 from dual
+      connection-test-query: SELECT 1
+
+# mybatis 相关配置
+mybatis:
+    # 指定 sql xml 文件的位置
+    mapper-locations: classpath*:mappers/*.xml
+    configuration:
+      # 当没有为参数提供特定的 JDBC 类型时，为空值指定 JDBC 类型。
+      # oracle数据库建议配置为JdbcType.NULL, 默认是Other
+      jdbc-type-for-null: 'null'
+      # 是否打印sql语句 调试的时候可以开启
+      log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
+
+
+# 注 1
+  # oracle
+  # driver="oracle.jdbc.driver.OracleDriver"
+  # url="jdbc:oracle:thin:@localhost:1521:数据库名"
+  # mysql
+  # driver="com.mysql.jdbc.Driver"
+  # url="jdbc:mysql://localhost/数据库名?[后接参数]"
+
+
+# 注 2
+  # mybatis 配置更多说明可以参考settings  http://www.mybatis.org/mybatis-3/zh/configuration.html
+
+
+# 注 3
+  # spring boot 2.0 默认采用Hikari 作为连接池 github地址 https://github.com/brettwooldridge/HikariCP

spring-boot/spring-boot-mybatis/src/main/resources/mappers/ProgrammerMapper.xml

@@ -0,0 +1,22 @@
+<?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="com.heibaiying.springboot.dao.ProgrammerMapper">
+
+    <insert id="save">
+        insert into programmer (name, age, salary, birthday) VALUES (#{name}, #{age}, #{salary}, #{birthday})
+    </insert>
+
+    <select id="selectById" resultType="com.heibaiying.springboot.bean.Programmer">
+      select * from programmer where name = #{id}
+    </select>
+
+    <update id="modify">
+        update programmer set name=#{name},age=#{age},salary=#{salary},birthday=#{birthday} where id=#{id}
+    </update>
+
+    <delete id="delete">
+        delete from programmer where id = #{id}
+    </delete>
+
+</mapper>

spring-boot/spring-boot-mybatis/src/main/resources/sql/programmer.sql

@@ -0,0 +1,8 @@
+--  建表语句
+create table if not exists programmer (
+  id       int primary key auto_increment,
+  name     varchar(20),
+  age      tinyint,
+  salary   float,
+  birthday datetime
+)

spring-boot/spring-boot-mybatis/src/test/java/com/heibaiying/springboot/MybatisAnnotationTest.java

@@ -0,0 +1,49 @@
+package com.heibaiying.springboot;
+
+import com.heibaiying.springboot.bean.Programmer;
+import com.heibaiying.springboot.dao.ProgrammerDao;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Date;
+
+/***
+ * @description: 注解Sql测试类
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class MybatisAnnotationTest {
+
+    @Autowired
+    private ProgrammerDao programmerDao;
+
+    @Test
+    public void save() {
+        programmerDao.save(new Programmer("xiaominng", 12, 3467.34f, new Date()));
+        programmerDao.save(new Programmer("xiaominng", 12, 3467.34f, new Date()));
+    }
+
+    @Test
+    public void modify() {
+        programmerDao.modify(new Programmer(1, "xiaolan", 21, 347.34f, new Date()));
+    }
+
+    @Test
+    public void selectByCondition() {
+        Programmer programmers = programmerDao.selectById(1);
+        System.out.println(programmers);
+    }
+
+    @Test
+    public void delete() {
+        programmerDao.delete(3);
+        Programmer programmers = programmerDao.selectById(3);
+        Assert.assertNull(programmers);
+    }
+
+}
+

spring-boot/spring-boot-mybatis/src/test/java/com/heibaiying/springboot/MybatisXmlTest.java

@@ -0,0 +1,50 @@
+package com.heibaiying.springboot;
+
+import com.heibaiying.springboot.bean.Programmer;
+import com.heibaiying.springboot.dao.ProgrammerDao;
+import com.heibaiying.springboot.dao.ProgrammerMapper;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Date;
+import java.util.List;
+
+/***
+ * @description: xml Sql测试类
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class MybatisXmlTest {
+
+    @Autowired
+    private ProgrammerMapper mapper;
+
+    @Test
+    public void save() {
+        mapper.save(new Programmer("xiaominng", 12, 3467.34f, new Date()));
+        mapper.save(new Programmer("xiaominng", 12, 3467.34f, new Date()));
+    }
+
+    @Test
+    public void modify() {
+        mapper.modify(new Programmer(1, "xiaohong", 112, 347.34f, new Date()));
+    }
+
+    @Test
+    public void selectByCondition() {
+        Programmer programmers = mapper.selectById(1);
+        System.out.println(programmers);
+    }
+
+    @Test
+    public void delete() {
+        mapper.delete(2);
+        Programmer programmers = mapper.selectById(2);
+        Assert.assertNull(programmers);
+    }
+}
+