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@Table(name = "STUDENTS")  public class Students extends JpaBaseEntity implements Serializable{	private static final long serialVersionUID = -6928570405840778151L;		@Id	@Column	@GeneratedValue(strategy=GenerationType.AUTO,generator="snowflakeid")	//@GeneratedValue(strategy=GenerationType.SEQUENCE,generator="SEQ_MYBATIS_STUD")	//@GeneratedValue(strategy=GenerationType.IDENTITY,generator="SEQ_MYBATIS_STUD")	private String id;		@Column	private String stdNo;		@Column	private String stdName;		@Column	private String stdGender;		@Column	private int stdAge;		@Column	private String stdMajor;		@Column	private String stdClass;		@Column	private byte[] images;		public Students() {		super();	}	public get(){};	public void set(){};	//...}

package org.apache.mybatis.jpa.test;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	public void insert() throws Exception{		_logger.info("insert...");		Students student=new Students();		//student.setId("10024");		student.setStdNo("10024");		student.setStdGender("M");		student.setStdName("司马昭");		student.setStdAge(20);		student.setStdMajor("政治");		student.setStdClass("4");		service.insert(student);				Thread.sleep(1000);		_logger.info("insert id " + student.getId());		//service.remove(student.getId());	}		@Test	public void merge() throws Exception{		_logger.info("merge...");		Students student=new Students();		//student.setId("10024");		student.setStdNo("10024");		student.setStdGender("M");		student.setStdName("司马昭");		student.setStdAge(20);		student.setStdMajor("政治");		student.setStdClass("4");		service.merge(student);				Thread.sleep(1000);		_logger.info("insert id " + student.getId());	}		@Test	public void find() throws Exception{		_logger.info("find...");		_logger.info("find by filter  " 					+ service.find(" StdNo = '10024' or StdNo = '10004'")		);		_logger.info("find by filter with args " 				+ service.find(							" StdNo = ? or StdNo = ?  ",							new Object[]{"10024","10004"},							new int[]{Types.VARCHAR,Types.INTEGER}						)		);		}		@Test	public void get() throws Exception{		_logger.info("get...");		Students student=service.get("317d5eda-927c-4871-a916-472a8062df23");		System.out.println("Students "+student);		 _logger.info("Students "+student);	}		@Test	public void update() throws Exception{		_logger.info("get...");		Students student=service.get("317d5eda-927c-4871-a916-472a8062df23");		System.out.println("Students "+student);		 _logger.info("Students "+student);		 _logger.info("update...");		 student.setImages(null);		 service.update(student);		 _logger.info("updateed.");		 		 student.setImages("ssss".getBytes());		 service.update(student);		 _logger.info("updateed2.");	}		@Test	public void remove() throws Exception{		_logger.info("remove...");		Students student=new Students();		student.setId("921d3377-937a-4578-b1e2-92fb23b5e512");		service.remove(student.getId());	}		@Test	public void batchDelete() throws Exception{		_logger.info("batchDelete...");		List<String> idList=new ArrayList<String>();		idList.add("8584804d-b5ac-45d2-9f91-4dd8e7a090a7");		idList.add("ab7422e9-a91a-4840-9e59-9d911257c918");		idList.add("12b6ceb8-573b-4f01-ad85-cfb24cfa007c");		idList.add("dafd5ba4-d2e3-4656-bd42-178841e610fe");		service.deleteBatch(idList);	}		@Test	public void logicDelete() throws Exception{		_logger.info("logicDelete...");		List<String> idList=new ArrayList<String>();		idList.add("8584804d-b5ac-45d2-9f91-4dd8e7a090a7");		idList.add("ab7422e9-a91a-4840-9e59-9d911257c918");		idList.add("12b6ceb8-573b-4f01-ad85-cfb24cfa007c");		idList.add("dafd5ba4-d2e3-4656-bd42-178841e610fe");		service.logicDelete(idList);	}		@Test	public void batchDeleteByIds() throws Exception{		_logger.info("batchDeleteByIds...");		service.deleteBatch("2");		service.deleteBatch("2,639178432667713536");	}	@Test	public void queryPageResults() throws Exception{		_logger.info("queryPageResults...");		 Students student=new Students();		 //student.setId("af04d610-6092-481e-9558-30bd63ef783c");		 //student.setStdGender("M");		 //student.setStdMajor(政治");		 student.setPageSize(10);		 //student.setPageNumber(2);		 student.calculate(21);		 List<Students> allListStudents = 				 service.queryPageResults(student).getRows();		 for (Students s : allListStudents) {			 _logger.info("Students "+s);		 }	}		@Test	public void queryPageResultsByMapperId() throws Exception{		_logger.info("queryPageResults by mapperId...");		 Students student=new Students();		 student.setStdGender("M");		 //student.setStdMajor(政治");		 student.setPageSize(10);		 student.setPageNumber(2);		 List<Students> allListStudents = 				 service.queryPageResults("queryPageResults1",student).getRows();		 for (Students s : allListStudents) {			 _logger.info("Students "+s);		 }	}		@Test	public void query() throws Exception{		_logger.info("findAll...");		List<Students> allListStudents =service.query(null);		 for (Students s : allListStudents) {			 _logger.info("Students "+s);		 }	}		@Test	public void findAll() throws Exception{		_logger.info("findAll...");		List<Students> allListStudents =service.findAll();		 for (Students s : allListStudents) {			 _logger.info("Students "+s);		 }	}		@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");	}}

<mapper namespace="org.apache.mybatis.jpa.test.dao.persistence.StudentsMapper" >	<sql id="sql_condition">		WHERE	1	=	1    	<if test="id != null">			AND	ID	=	'${id}'		</if>		<if test="stdName != null  and stdName != '' ">			AND STDNAME like '%${stdName}%'		</if>		<if test="stdGender != null  and stdGender != '' ">			AND	STDGENDER	=	#{stdGender}		</if>		<if test="stdMajor != null">			<![CDATA[AND	STDMAJOR	= #{stdMajor}]]>		</if>	</sql>	    <select id="queryPageResults" parameterType="Students" resultType="Students">    	SELECT     		ID		   ,			STDNO      ,			STDNAME    ,			STDGENDER  ,			STDAGE     ,			STDMAJOR   ,			STDCLASS     	FROM STUDENTS     	<include refid="sql_condition"/>    </select>      <select id="queryPageResults1" parameterType="Students" resultType="Students">    	SELECT     		ID		   ,			STDNO      ,			STDNAME    ,			STDGENDER  ,			STDAGE     ,			STDMAJOR   ,			STDCLASS     	FROM STUDENTS     	<include refid="sql_condition"/>    </select>            <select id="queryBy" parameterType="Students" resultType="Students">    	SELECT     		ID		   ,			STDNO      ,			STDNAME    ,			STDGENDER  ,			STDAGE     ,			STDMAJOR   ,			STDCLASS     	FROM ROLES     	<include refid="sql_condition"/>    </select>      <delete id="delete" parameterType="Students" >    	DELETE FROM STUDENTS WHERE ID=#{id}    </delete>    

#spring.datasource.username=rootspring.datasource.password=maxkeyspring.datasource.url=jdbc:mysql://localhost/test?autoReconnect=true&characterEncoding=UTF-8&serverTimezone=UTCspring.datasource.driver-class-name=com.mysql.jdbc.Driverspring.datasource.type=com.alibaba.druid.pool.DruidDataSourcemybatis.dialect=mysqlmybatis.type-aliases-package=org.apache.mybatis.jpa.test.entitymybatis.mapper-locations=classpath*:/org/apache/mybatis/jpa/test/dao/persistence/xml/${mybatis.dialect}/*.xmlmybatis.table-column-escape=truemybatis.table-column-snowflake-datacenter-id=1mybatis.table-column-snowflake-machine-id=1#mybatis.table-column-escape-char=`