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M
MybatisTraning
Commit a7a1bcd3 authored by zhuleizi's avatar zhuleizi
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朱雷子_Mybatis1/MybatisWork/.project deleted 100644 → 0
View file @ dc8be1f2
<?xml version="1.0" encoding="UTF-8"?>
++ /dev/null
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>MybatisWork</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.m2e.core.maven2Nature</nature>
</natures>
</projectDescription>
朱雷子_Mybatis1/MybatisWork/pom.xml deleted 100644 → 0
View file @ dc8be1f2
<project xmlns="http://maven.apache.org/POM/4.0.0"
++ /dev/null
<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>
<groupId>com.cesgroup</groupId>
<artifactId>mybatiswork</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>mybatiswork</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.17</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.8</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.54</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
朱雷子_Mybatis1/MybatisWork/src/main/java/com/cesgroup/mybatiswork/entity/People.java deleted 100644 → 0
View file @ dc8be1f2
package com.cesgroup.mybatiswork.entity;
++ /dev/null
package com.cesgroup.mybatiswork.entity;
import java.io.Serializable;
import com.alibaba.fastjson.JSONObject;
/**
* @author zlz
*
*/
public class People implements Serializable {
/**
*
*/
private static final long serialVersionUID = -9109516444665323692L;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public JSONObject getInfo() {
return info;
}
public void setInfo(JSONObject info) {
this.info = info;
}
@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", info=" + JSONObject.toJSONString(info) + "]";
}
int id;
String name;
JSONObject info;
}
\ No newline at end of file
朱雷子_Mybatis1/MybatisWork/src/main/java/com/cesgroup/mybatiswork/handle/MyTypeHandle.java deleted 100644 → 0
View file @ dc8be1f2
package com.cesgroup.mybatiswork.handle;
++ /dev/null
package com.cesgroup.mybatiswork.handle;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;
import com.alibaba.fastjson.JSONObject;
/**
* @author zlz
*
*/
public class MyTypeHandle extends BaseTypeHandler<JSONObject> {
@Override
public JSONObject getNullableResult(ResultSet rs, String cloumName) throws SQLException {
String infoJsonString = rs.getString(cloumName);
JSONObject infObject = null;
try {
infObject = JSONObject.parseObject(infoJsonString);
// System.out.println("----json串转json对象成功！----");
} catch (Exception e) {
System.err.println("json串转json对象失败！");
;
}
return infObject;
}
@Override
public JSONObject getNullableResult(CallableStatement arg0, int arg1) throws SQLException {
return null;
}
@Override
public void setNonNullParameter(PreparedStatement statement, int i, JSONObject infoObject, JdbcType jdbcType) throws SQLException {
try {
String userInfoString = JSONObject.toJSONString(infoObject);
statement.setString(i, userInfoString);
// System.out.println("----对象转化字符串成功！----："+userInfoString);
} catch (Exception e) {
System.out.println("----对象转化字符串失败！----");
}
}
@Override
public JSONObject getNullableResult(ResultSet arg0, int arg1) throws SQLException {
return null;
}
}
朱雷子_Mybatis1/MybatisWork/src/main/resource/Mymapper.xml deleted 100644 → 0
View file @ dc8be1f2
<?xml version="1.0" encoding="UTF-8" ?>
++ /dev/null
<?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:根标签，namespace：命名空间，随便写，一般保证命名空间唯一 -->
<mapper namespace="MyMapper">
<!-- statement，内容：sql语句。id：唯一标识，随便写，在同一个命名空间下保持唯一
resultType：sql语句查询结果集的封装类型,tb_user即为数据库中的表
-->
<select id="selectUser" resultType="com.cesgroup.mybatiswork.entity.User">
select * from mybatis where id = #{id}
</select>
<insert id="insert" parameterType="com.cesgroup.mybatiswork.entity.User">
INSERT INTO mybatis (id, name, info)
VALUES(#{id}, #{name}, #{info})
</insert>
<insert id="insertBatch">
INSERT INTO mybatis
(id, name, info)
VALUES
<foreach collection ="list" item="user" separator =",">
(#{user.id}, #{user.name}, #{user.info})
</foreach >
</insert>
</mapper>
\ No newline at end of file
朱雷子_Mybatis1/MybatisWork/src/main/resource/db.properties deleted 100644 → 0
View file @ dc8be1f2
driver=com.mysql.cj.jdbc.Driver
++ /dev/null
driver=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://localhost:3306/test
username=root
password=123456
\ No newline at end of file
朱雷子_Mybatis1/MybatisWork/src/main/resource/mybatis-config.xml deleted 100644 → 0
View file @ dc8be1f2
<?xml version="1.0" encoding="UTF-8" ?>
++ /dev/null
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!-- 根标签 -->
<configuration>
<properties resource="db.properties"></properties>
<typeHandlers>
<typeHandler handler="com.cesgroup.mybatiswork.handle.MyTypeHandle"></typeHandler>
</typeHandlers>
<!-- 环境，可以配置多个，default：指定采用哪个环境 -->
<environments default="dev">
<!-- id：唯一标识 -->
<environment id="dev">
<!-- 事务管理器，JDBC类型的事务管理器 -->
<transactionManager type="JDBC" />
<!-- 数据源，池类型的数据源 -->
<dataSource type="POOLED">
<property name="driver" value="${driver}" /> <!-- 配置了properties，所以可以直接引用 -->
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
</dataSource>
</environment>
</environments>
<mappers>
<mapper resource="MyMapper.xml" />
</mappers>
</configuration>
\ No newline at end of file
朱雷子_Mybatis1/MybatisWork/src/main/resource/mybatis.sql deleted 100644 → 0
View file @ dc8be1f2
/*
++ /dev/null
/*
Navicat Premium Data Transfer
Source Server : 本机
Source Server Type : MySQL
Source Server Version : 80015
Source Host : localhost:3306
Source Schema : test
Target Server Type : MySQL
Target Server Version : 80015
File Encoding : 65001
Date: 09/12/2019 10:25:06
*/
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for mybatis
-- ----------------------------
DROP TABLE IF EXISTS `mybatis`;
CREATE TABLE `mybatis` (
`id` int(32) NOT NULL,
`name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
`info` varchar(1000) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;
朱雷子_Mybatis1/MybatisWork/src/test/java/com/cesgroup/mybatiswork/AppTest.java deleted 100644 → 0
View file @ dc8be1f2
package com.cesgroup.mybatiswork;
++ /dev/null
package com.cesgroup.mybatiswork;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Resources;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.Before;
import org.junit.Test;
import com.alibaba.fastjson.JSONObject;
import com.cesgroup.mybatiswork.entity.People;
/**
* @author zlz
*
*/
public class AppTest {
private SqlSession sqlSession = null;
private SqlSessionFactory sqlSessionFactory;
@Before
public void configMybatis() {
// 指定全局配置文件
String resource = "mybatis-config.xml";
// 读取配置文件
InputStream inputStream;
try {
inputStream = Resources.getResourceAsStream(resource);
// 构建sqlSessionFactory
sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
// 获取sqlSession
// sqlSession= sqlSessionFactory.openSession(ExecutorType.BATCH,false);
sqlSession = sqlSessionFactory.openSession(false);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (sqlSession != null) {
// sqlSession.close();
}
}
}
/**
*
* 自定义解析器查询测试
*
* json串字段为 info
*/
@Test
public void testSelectUser() {
People user = sqlSession.selectOne("MyMapper.selectUser", 2);
System.out.println(user);
sqlSession.close();
}
/**
*
* 自定义类型解析器插入测试
*/
@Test
public void testInsertJsonObject() {
JSONObject userInfObject = new JSONObject();
userInfObject.put("address", "天地软件园");
userInfObject.put("telphone", "18623323323");
People user = new People();
user.setId(3);
user.setName("张三");
user.setInfo(userInfObject);
int a = sqlSession.insert("MyMapper.insert", user);
sqlSession.commit();
System.out.println("影响的行数:" + a);
}
/**
* 批量插入方法一（经测试该方法较快） 通过list方式批量插入 500条 378ms 5000条615ms 10000条897ms
*/
@Test
public void testInsertBatch() {
long start = System.currentTimeMillis();
List<People> list = new ArrayList<>();
for (int i = 1; i < 10000; i++) {
JSONObject userInfObject = new JSONObject();
userInfObject.put("address", "天地软件园");
userInfObject.put("telphone", "18623323323");
People user = new People();
user.setId(i);
user.setName("张三" + i);
user.setInfo(userInfObject);
list.add(user);
}
int a = sqlSession.insert("MyMapper.insertBatch", list);
sqlSession.commit();
long end = System.currentTimeMillis();
System.out.println("---------------" + "批量插入耗时一：" + (end - start) + "---------------");
}
/**
* 批量插入方法二 通过改变executor类型
*
* 500条 约375ms 5000条约912ms 10000条 1527ms
*/
@Test
public void testInsertBatchTwo() {
sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH, false);
long start = System.currentTimeMillis();
for (int i = 1; i < 10000; i++) {
JSONObject userInfObject = new JSONObject();
userInfObject.put("address", "天地软件园");
userInfObject.put("telphone", "18623323323");
People user = new People();
user.setId(i);
user.setName("张三" + i);
user.setInfo(userInfObject);
int a = sqlSession.insert("MyMapper.insert", user);
}
sqlSession.commit();
long end = System.currentTimeMillis();
System.out.println("---------------" + "批量插入耗时二：" + (end - start) + "---------------");
}
}
朱雷子_Mybatis1/MybatisWork/target/classes/META-INF/MANIFEST.MF deleted 100644 → 0
View file @ dc8be1f2
Manifest-Version: 1.0
++ /dev/null
Manifest-Version: 1.0
Built-By: Sakamoto
Build-Jdk: 1.8.0_211
Created-By: Maven Integration for Eclipse
朱雷子_Mybatis1/MybatisWork/target/classes/META-INF/maven/com.cesgroup/mybatiswork/pom.properties deleted 100644 → 0
View file @ dc8be1f2
#Generated by Maven Integration for Eclipse
++ /dev/null
#Generated by Maven Integration for Eclipse
#Mon Dec 09 21:05:59 CST 2019
version=0.0.1-SNAPSHOT
groupId=com.cesgroup
m2e.projectName=MybatisWork
m2e.projectLocation=D\:\\eclipse-workspace\\MybatisWork
artifactId=mybatiswork
朱雷子_Mybatis1/MybatisWork/target/classes/META-INF/maven/com.cesgroup/mybatiswork/pom.xml deleted 100644 → 0
View file @ dc8be1f2
<project xmlns="http://maven.apache.org/POM/4.0.0"
++ /dev/null
<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>
<groupId>com.cesgroup</groupId>
<artifactId>mybatiswork</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>mybatiswork</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.17</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.8</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.54</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
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