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Mybatis Jpa Extra

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提交 7f17a04c 编写于 作者: M MaxKey
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README.md
浏览文件 @ 7f17a04c
...@@ -5,11 +5,13 @@ ...@@ -5,11 +5,13 @@
2.用Interceptor实现数据库**SELECT分页查询**; 2.用Interceptor实现数据库**SELECT分页查询**;
3.提供mybatis-jpa-extra-spring-boot-starter,**简化SpringBoot集成**; 3.**链式**Query查询条件构造器;
## 1、JavaBean注释简单 4.提供starter,**简化SpringBoot集成**;
仅有6个注释 ## 1、JPA 2.1注释
仅支持6个注释
> * @Entity > * @Entity
> * @Table > * @Table
> * @Column > * @Column
...@@ -17,8 +19,9 @@ ...@@ -17,8 +19,9 @@
> * @GeneratedValue > * @GeneratedValue
> * @Transient > * @Transient
主键策略
@GeneratedValue有4中策略 支持3种主键策略，4种AUTO自动主键策略
1. **AUTO** 1. **AUTO**
...@@ -38,22 +41,13 @@ ...@@ -38,22 +41,13 @@
generator无，根据数据库自动生成方式 generator无，根据数据库自动生成方式
## 1、JavaBean JPA注释
```java ```java
package org.apache.mybatis.jpa.test.entity;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import org.apache.mybatis.jpa.persistence.JpaBaseEntity;
@Entity @Entity
@Table(name = "STUDENTS") @Table(name = "STUDENTS")
public class Students extends JpaBaseEntity implements Serializable{ public class Students extends JpaBaseEntity implements Serializable{
private static final long serialVersionUID = -6928570405840778151L;
@Id @Id
@Column @Column
...@@ -93,30 +87,10 @@ public class Students extends JpaBaseEntity implements Serializable{ ...@@ -93,30 +87,10 @@ public class Students extends JpaBaseEntity implements Serializable{
} }
``` ```
## 2、单表新增、修改、删除、查询、分页查询 ## 2、CURD、Qruey构造器查询和分页查询
```java ```java
package org.apache.mybatis.jpa.test; //新增数据
import java.sql.Types;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.mybatis.jpa.test.dao.service.StudentsService;
import org.apache.mybatis.jpa.test.entity.Students;
import org.apache.mybatis.jpa.util.WebContext;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class MyBatisTestRunner {
private static final Logger _logger = LoggerFactory.getLogger(MyBatisTestRunner.class);
public static ApplicationContext context;
public static StudentsService service;
@Test @Test
public void insert() throws Exception{ public void insert() throws Exception{
_logger.info("insert..."); _logger.info("insert...");
...@@ -135,6 +109,7 @@ public class MyBatisTestRunner { ...@@ -135,6 +109,7 @@ public class MyBatisTestRunner {
//service.remove(student.getId()); //service.remove(student.getId());
} }
//根据实体查询并更新
@Test @Test
public void merge() throws Exception{ public void merge() throws Exception{
_logger.info("merge..."); _logger.info("merge...");
...@@ -152,6 +127,7 @@ public class MyBatisTestRunner { ...@@ -152,6 +127,7 @@ public class MyBatisTestRunner {
_logger.info("insert id " + student.getId()); _logger.info("insert id " + student.getId());
} }
//springJDBC 的查询方式
@Test @Test
public void find() throws Exception{ public void find() throws Exception{
_logger.info("find..."); _logger.info("find...");
...@@ -168,6 +144,7 @@ public class MyBatisTestRunner { ...@@ -168,6 +144,7 @@ public class MyBatisTestRunner {
); );
} }
//根据ID查询
@Test @Test
public void get() throws Exception{ public void get() throws Exception{
_logger.info("get..."); _logger.info("get...");
...@@ -176,6 +153,7 @@ public class MyBatisTestRunner { ...@@ -176,6 +153,7 @@ public class MyBatisTestRunner {
_logger.info("Students "+student); _logger.info("Students "+student);
} }
//查询数据实体并更新
@Test @Test
public void update() throws Exception{ public void update() throws Exception{
_logger.info("get..."); _logger.info("get...");
...@@ -192,6 +170,7 @@ public class MyBatisTestRunner { ...@@ -192,6 +170,7 @@ public class MyBatisTestRunner {
_logger.info("updateed2."); _logger.info("updateed2.");
} }
//根据ID删除
@Test @Test
public void remove() throws Exception{ public void remove() throws Exception{
_logger.info("remove..."); _logger.info("remove...");
...@@ -200,6 +179,7 @@ public class MyBatisTestRunner { ...@@ -200,6 +179,7 @@ public class MyBatisTestRunner {
service.remove(student.getId()); service.remove(student.getId());
} }
//根据ID集合批量删除
@Test @Test
public void batchDelete() throws Exception{ public void batchDelete() throws Exception{
_logger.info("batchDelete..."); _logger.info("batchDelete...");
...@@ -211,6 +191,7 @@ public class MyBatisTestRunner { ...@@ -211,6 +191,7 @@ public class MyBatisTestRunner {
service.deleteBatch(idList); service.deleteBatch(idList);
} }
//根据ID批量逻辑删除
@Test @Test
public void logicDelete() throws Exception{ public void logicDelete() throws Exception{
_logger.info("logicDelete..."); _logger.info("logicDelete...");
...@@ -221,7 +202,8 @@ public class MyBatisTestRunner { ...@@ -221,7 +202,8 @@ public class MyBatisTestRunner {
idList.add("dafd5ba4-d2e3-4656-bd42-178841e610fe"); idList.add("dafd5ba4-d2e3-4656-bd42-178841e610fe");
service.logicDelete(idList); service.logicDelete(idList);
} }
//根据ID批量删除
@Test @Test
public void batchDeleteByIds() throws Exception{ public void batchDeleteByIds() throws Exception{
_logger.info("batchDeleteByIds..."); _logger.info("batchDeleteByIds...");
...@@ -229,6 +211,7 @@ public class MyBatisTestRunner { ...@@ -229,6 +211,7 @@ public class MyBatisTestRunner {
service.deleteBatch("2,639178432667713536"); service.deleteBatch("2,639178432667713536");
} }
//分页查询
@Test @Test
public void queryPageResults() throws Exception{ public void queryPageResults() throws Exception{
_logger.info("queryPageResults..."); _logger.info("queryPageResults...");
...@@ -245,7 +228,8 @@ public class MyBatisTestRunner { ...@@ -245,7 +228,8 @@ public class MyBatisTestRunner {
_logger.info("Students "+s); _logger.info("Students "+s);
} }
} }
//mapper id分页查询
@Test @Test
public void queryPageResultsByMapperId() throws Exception{ public void queryPageResultsByMapperId() throws Exception{
_logger.info("queryPageResults by mapperId..."); _logger.info("queryPageResults by mapperId...");
...@@ -260,7 +244,7 @@ public class MyBatisTestRunner { ...@@ -260,7 +244,7 @@ public class MyBatisTestRunner {
_logger.info("Students "+s); _logger.info("Students "+s);
} }
} }
//根据实体查询
@Test @Test
public void query() throws Exception{ public void query() throws Exception{
_logger.info("findAll..."); _logger.info("findAll...");
...@@ -269,7 +253,21 @@ public class MyBatisTestRunner { ...@@ -269,7 +253,21 @@ public class MyBatisTestRunner {
_logger.info("Students "+s); _logger.info("Students "+s);
} }
} }
//根据链式条件构造器查询
//WHERE (stdMajor = '政治' and STDAGE > 30 and stdMajor in ( '政治' , '化学' ) or ( stdname = '周瑜' or stdname = '吕蒙' ) )
@Test
public void queryByQuery() throws Exception{
_logger.info("find...");
List<Students> allListStudents =service.query(
new Query().eq("stdMajor", "政治").and().gt("STDAGE", 30).and().in("stdMajor", new Object[]{"政治","化学"})
.or(new Query().eq("stdname", "周瑜").or().eq("stdname", "吕蒙")));
for (Students s : allListStudents) {
_logger.info("Students "+s);
}
}
//查询所有记录
@Test @Test
public void findAll() throws Exception{ public void findAll() throws Exception{
_logger.info("findAll..."); _logger.info("findAll...");
...@@ -279,29 +277,7 @@ public class MyBatisTestRunner { ...@@ -279,29 +277,7 @@ public class MyBatisTestRunner {
} }
} }
@Before //...
public void initSpringContext(){
if(context!=null) return;
_logger.info("init Spring Context...");
SimpleDateFormat sdf_ymdhms =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String startTime=sdf_ymdhms.format(new Date());
try{
MyBatisTestRunner runner=new MyBatisTestRunner();
runner.init();
}catch(Exception e){
e.printStackTrace();
}
_logger.info("-- --Init Start at " + startTime+" , End at "+sdf_ymdhms.format(new Date()));
}
//Initialization ApplicationContext for Project
public void init(){
_logger.info("Application dir "+System.getProperty("user.dir"));
context = new ClassPathXmlApplicationContext(new String[] {"spring/applicationContext.xml"});
WebContext.applicationContext=context;
service =(StudentsService)WebContext.getBean("studentsService");
}
}
``` ```
## 3、映射文件配置 ## 3、映射文件配置
......
mybatis-jpa-extra-core/src/test/java/org/apache/mybatis/jpa/test/MyBatisTestRunner.java
浏览文件 @ 7f17a04c
...@@ -120,9 +120,7 @@ public class MyBatisTestRunner { ...@@ -120,9 +120,7 @@ public class MyBatisTestRunner {
@Test @Test
public void remove() throws Exception{ public void remove() throws Exception{
_logger.info("remove..."); _logger.info("remove...");
Students student=new Students(); service.remove("921d3377-937a-4578-b1e2-92fb23b5e512");
student.setId("921d3377-937a-4578-b1e2-92fb23b5e512");
service.remove(student.getId());
} }
@Test @Test
...@@ -190,7 +188,7 @@ public class MyBatisTestRunner { ...@@ -190,7 +188,7 @@ public class MyBatisTestRunner {
} }
@Test @Test
public void queryByEntity() throws Exception{ public void query() throws Exception{
_logger.info("find..."); _logger.info("find...");
List<Students> allListStudents =service.query(new Students("10024")); List<Students> allListStudents =service.query(new Students("10024"));
for (Students s : allListStudents) { for (Students s : allListStudents) {
...@@ -198,12 +196,13 @@ public class MyBatisTestRunner { ...@@ -198,12 +196,13 @@ public class MyBatisTestRunner {
} }
} }
//WHERE (stdMajor = '政治' and STDAGE > 30 and stdMajor in ( '政治' , '化学' ) or ( stdname = '周瑜' or stdname = '吕蒙' ) )
@Test @Test
public void queryByQuery() throws Exception{ public void queryByQuery() throws Exception{
_logger.info("find..."); _logger.info("find...");
List<Students> allListStudents =service.query( List<Students> allListStudents =service.query(
new Query().eq("stdMajor", "政治").and().gt("STDAGE", 30).and().in("stdMajor", new Object[]{"政治","化学"}) new Query().eq("stdMajor", "政治").and().gt("STDAGE", 30).and().in("stdMajor", new Object[]{"政治","化学"})
.or(new Query().eq("stdname", "周瑜"))); .or(new Query().eq("stdname", "周瑜").or().eq("stdname", "吕蒙")));
for (Students s : allListStudents) { for (Students s : allListStudents) {
_logger.info("Students "+s); _logger.info("Students "+s);
} }
......
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