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那些青春的歲月

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CREATE TABLE `teacher` (
`tid` int(11) NOT NULL AUTO_INCREMENT,
`tname` varchar(100) DEFAULT NULL,
PRIMARY KEY (`tid`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;

CREATE TABLE `student` (
`sid` int(11) NOT NULL AUTO_INCREMENT,
`sname` varchar(100) DEFAULT NULL,
`teacherid` int(11) DEFAULT NULL,
PRIMARY KEY (`sid`),
KEY `ftid` (`teacherid`),
CONSTRAINT `ftid` FOREIGN KEY (`teacherid`) REFERENCES `teacher` (`tid`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;

package org.abin.lee.bean;

public class Student implements java.io.Serializable{

private static final long serialVersionUID = 2664268794619785937L;
private int sid;
private String sname;
private int teacherId;
private Teacher teacher;

public Student() {
}

public int getSid() {
return sid;
}

public void setSid(int sid) {
this.sid = sid;
}

public String getSname() {
return sname;
}

public void setSname(String sname) {
this.sname = sname;
}

public Teacher getTeacher() {
return teacher;
}

public void setTeacher(Teacher teacher) {
this.teacher = teacher;
}

public int getTeacherId() {
return teacherId;
}

public void setTeacherId(int teacherId) {
this.teacherId = teacherId;
}

}

package org.abin.lee.bean;

import java.util.ArrayList;
import java.util.List;

public class Teacher implements java.io.Serializable{

private static final long serialVersionUID = -7053173500969534203L;
private int tid;
private String tname;
private List<Student> student=new ArrayList<Student>();

public Teacher() {
}

public int getTid() {
  return tid;
}
public void setTid(int tid) {
  this.tid = tid;
}
public String getTname() {
  return tname;
}
public void setTname(String tname) {
  this.tname = tname;
}

public List<Student> getStudent() {
return student;
}

public void setStudent(List<Student> student) {
this.student = student;
}

}

StudentMapper.xml（org.abin.lee.bean）
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"<mapper namespace="org.abin.lee.dao.StudentDao">
<parameterMap type="Student" id="parameterStudentMap">
    <parameter property="sid"/>
    <parameter property="sname"/>
    <parameter property="teacherId"/>
</parameterMap>

<insert id="insertStudent"    parameterMap="parameterStudentMap">
    <selectKey    keyProperty="sid" resultType="int" order="AFTER">
      SELECT LAST_INSERT_ID() AS ID
    </selectKey>
    INSERT INTO student(sname,teacherId)
    VALUES(#{sname},#{teacherId})
</insert>

<resultMap type="Student" id="StudentMap">
    <result property="sid" column="sid"/>
    <result property="sname" column="sname"/>
    <result property="teacherId" column="teacherId"/>
    <association property="teacher" javaType="Teacher" column="teacherId" select="org.abin.lee.dao.TeacherDao.getTeacher"/>
</resultMap>
<select id="getStudent" resultMap="StudentMap" parameterType="int">
    SELECT * FROM student
    WHERE sid=#{sid}
</select>

<select id="getStudentById" resultMap="StudentMap" parameterType="int">
    SELECT * FROM student
    WHERE teacherId=#{teacherId}
</select>

</mapper>

TeacherMapper.xml（org.abin.lee.bean）

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"<mapper namespace="org.abin.lee.dao.TeacherDao">
<parameterMap type="Teacher" id="parameterTeacherMap">
<parameter property="tid"/>
<parameter property="tname"/>
</parameterMap>

<insert id="insertTeacher" parameterMap="parameterTeacherMap">
    <selectKey    keyProperty="tid" resultType="int" order="AFTER">
      SELECT @@IDENTITY AS ID
    </selectKey>
    INSERT INTO teacher(tname)
    VALUES(#{tname})
</insert>

<resultMap type="Teacher" id="resultTeacherMap">
    <result property="tid" column="tid"/>
    <result property="tname" column="tname"/>
    <collection property="student" column="sid" select="org.abin.lee.dao.StudentDao.getStudentById"/>
</resultMap>

<select id="getTeacher" resultMap="resultTeacherMap" parameterType="int">
    SELECT *
    FROM teacher
    WHERE tid=#{id}
</select>

</mapper>

package org.abin.lee.dao;

import java.util.List;

import org.abin.lee.bean.Student;

public interface StudentDao {
void insertStudent(Student student);
List<Student> getStudent(int id);
List<Student> getStudentById(int teacherId);
}

package org.abin.lee.dao;

import org.abin.lee.bean.Teacher;

public interface TeacherDao {
void insertTeacher(Teacher teacher);
Teacher getTeacher(int id);
}

package org.abin.lee.dao.impl;

import java.util.List;

import org.abin.lee.bean.Student;
import org.abin.lee.dao.StudentDao;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class StudentDaoImpl extends HibernateDaoSupport implements StudentDao{

public List<Student> getStudent(int id) {
  List<Student> list=null;
  String hql="select o from Student o where o.id="+id;
  try {
   list=(List<Student>)this.getHibernateTemplate().find(hql);
  } catch (Exception e) {
   e.printStackTrace();
  }
  return list;
}

public List<Student> getStudentById(int teacherId) {
  List<Student> list=null;
  String hql="select o from Student o where o.id="+teacherId;
  try {
   list=(List<Student>)this.getHibernateTemplate().find(hql);
  } catch (Exception e) {
   e.printStackTrace();
  }
  return list;
}

public void insertStudent(Student student) {
  try {
   this.getHibernateTemplate().save(student);
  } catch (Exception e) {
   e.printStackTrace();
  }

}

}

package org.abin.lee.dao.impl;

import org.abin.lee.bean.Teacher;
import org.abin.lee.dao.TeacherDao;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class TeacherDaoImpl extends HibernateDaoSupport implements TeacherDao{

public Teacher getTeacher(int id) {
  Teacher teacher=null;
  String hql="select o from Teacher o where o.id="+id;
  try {
   teacher=(Teacher)this.getHibernateTemplate().find(hql);
   this.getHibernateTemplate().flush();
  } catch (Exception e) {
   e.printStackTrace();
  }
  return teacher;
}

public void insertTeacher(Teacher teacher) {
  try {
   this.getHibernateTemplate().save(teacher);
   this.getHibernateTemplate().flush();

  } catch (Exception e) {
   e.printStackTrace();
  }

}

}

package org.abin.lee.service;

import java.util.List;

import org.abin.lee.bean.Student;

public interface StudentService {

void insertStudent(Student student);
List<Student> getStudent(int id);
List<Student> getStudentById(int teacherId);

}

package org.abin.lee.service;

import org.abin.lee.bean.Teacher;

public interface TeacherService {

void insertTeacher(Teacher teacher);
Teacher getTeacher(int id);
}

package org.abin.lee.service.impl;

import java.util.List;

import org.abin.lee.bean.Student;
import org.abin.lee.dao.StudentDao;
import org.abin.lee.service.StudentService;

public class StudentServiceImpl implements StudentService{
private StudentDao studentDao;

public List<Student> getStudent(int id) {
return this.studentDao.getStudent(id);
}

public List<Student> getStudentById(int teacherId) {

return this.studentDao.getStudentById(teacherId);
}

public void insertStudent(Student student) {
this.studentDao.insertStudent(student);

}

public StudentDao getStudentDao() {
return studentDao;
}

public void setStudentDao(StudentDao studentDao) {
this.studentDao = studentDao;
}

}

package org.abin.lee.service.impl;

import org.abin.lee.bean.Teacher;
import org.abin.lee.dao.TeacherDao;
import org.abin.lee.service.TeacherService;

public class TeacherServiceImpl implements TeacherService{
private TeacherDao teacherDao;

public Teacher getTeacher(int id) {

return this.teacherDao.getTeacher(id);
}

public void insertTeacher(Teacher teacher) {
this.teacherDao.insertTeacher(teacher);

}

public TeacherDao getTeacherDao() {
return teacherDao;
}

public void setTeacherDao(TeacherDao teacherDao) {
this.teacherDao = teacherDao;
}

}

applicationContext-mapper.xml（org.abin.lee.spring）

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=" xmlns:xsi=" xmlns:context=" xmlns:aop=" xmlns:tx=" xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
            http://www.springframework.org/schema/context

<bean id="studentDao"
  class="org.mybatis.spring.mapper.MapperFactoryBean">
  <property name="sqlSessionFactory" ref="sqlSessionFactory" />
  <property name="mapperInterface"
   value="org.abin.lee.dao.StudentDao" />
</bean>

<bean id="teacherDao"
  class="org.mybatis.spring.mapper.MapperFactoryBean">
  <property name="sqlSessionFactory" ref="sqlSessionFactory" />
  <property name="mapperInterface"
   value="org.abin.lee.dao.TeacherDao" />
</bean>

</beans>

applicationContext-resource.xml（org.abin.lee.spring）

<bean id="dataSource"
  class="org.apache.commons.dbcp.BasicDataSource"
  destroy-method="close">
  <property name="driverClassName"
   value="com.mysql.jdbc.Driver">
  </property>
  <property name="url" value="jdbc:mysql://localhost:3306/abin"></property>
  <property name="username" value="root"></property>
  <property name="password" value=""></property>
  <property name="maxActive" value="100"></property>
  <property name="maxIdle" value="30"></property>
  <property name="maxWait" value="500"></property>
  <property name="defaultAutoCommit" value="true"></property>
</bean>

<bean id="sqlSessionFactory"
  class="org.mybatis.spring.SqlSessionFactoryBean">
  <property name="dataSource" ref="dataSource" />
  <property name="configLocation"
   value="classpath:mybatis-config.xml" />
</bean>

</beans>

applicationContext-service.xml（org.abin.lee.spring）

</beans>

mybatis-config.xml（直接放在src目錄下面）

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"<configuration>

</configuration>

log4j.properties（直接放在src目錄下面）

log4j.rootLogger=INFO,stdout,logfile
//log4j.rootLogger=INFO,logfile

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n

log4j.appender.logfile=org.apache.log4j.RollingFileAppender
log4j.appender.logfile.File=../logs/contacts.log
log4j.appender.logfile.MaxFileSize=2048KB
log4j.appender.logfile.MaxBackupIndex=5
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss} (%c) - %m%n

下面是測試代碼：

package org.abin.lee.test;

import junit.framework.TestCase;

import org.abin.lee.bean.Student;
import org.abin.lee.bean.Teacher;
import org.abin.lee.service.StudentService;
import org.abin.lee.service.TeacherService;
import org.junit.Before;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TestStudent extends TestCase{

private StudentService studentService;
private TeacherService teacherService;
private ApplicationContext context;
@Before
public void setUp(){
  String[] xml=new String[3];
  xml[0]="org/abin/lee/spring/applicationContext-resource.xml";
  xml[1]="org/abin/lee/spring/applicationContext-mapper.xml";
  xml[2]="org/abin/lee/spring/applicationContext-service.xml";
  context=new ClassPathXmlApplicationContext(xml);
}

public void testStudent(){
  Teacher tea=new Teacher();
  tea.setTname("steven");
  teacherService=(TeacherService)context.getBean("teacherService");
  this.teacherService.insertTeacher(tea);
  Student stu=new Student();
  stu.setSname("john");
  stu.setTeacherId(tea.getTid());
  studentService=(StudentService)context.getBean("studentService");
  this.studentService.insertStudent(stu);
}
public StudentService getStudentService() {
  return studentService;
}
public void setStudentService(StudentService studentService) {
  this.studentService = studentService;
}
public TeacherService getTeacherService() {
  return teacherService;
}
public void setTeacherService(TeacherService teacherService) {
  this.teacherService = teacherService;
}

}

package org.abin.lee.test;

import java.util.List;

import junit.framework.TestCase;

import org.abin.lee.bean.Student;
import org.abin.lee.bean.Teacher;
import org.abin.lee.service.StudentService;
import org.abin.lee.service.TeacherService;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TestFind extends TestCase{
private StudentService studentService;
private TeacherService teacherService;
private ApplicationContext context;
@Before
public void setUp(){
  String[] xml=new String[3];
  xml[0]="org/abin/lee/spring/applicationContext-resource.xml";
  xml[1]="org/abin/lee/spring/applicationContext-mapper.xml";
  xml[2]="org/abin/lee/spring/applicationContext-service.xml";
  context=new ClassPathXmlApplicationContext(xml);
}
@Test
public void testFind(){
  teacherService=(TeacherService)context.getBean("teacherService");
  studentService=(StudentService)context.getBean("studentService");
  List<Student> list=this.studentService.getStudentById(4);
  Student stu=new Student();
  Teacher tea=new Teacher();
  for(int i=0;i<list.size();i++){
   System.out.println("666");
   stu=list.get(i);
   System.out.println("sid="+stu.getSid()+",sname="+stu.getSname()+",teacherid="+stu.getTeacherId());
   tea=stu.getTeacher();
   System.out.println("tid="+tea.getTid()+",tname="+tea.getTname());
  }
}
public StudentService getStudentService() {
  return studentService;
}
public void setStudentService(StudentService studentService) {
  this.studentService = studentService;
}
public TeacherService getTeacherService() {
  return teacherService;
}
public void setTeacherService(TeacherService teacherService) {
  this.teacherService = teacherService;
}

}

posted on 2012-06-03 18:36 abin 閱讀(4262) 評論(0) 編輯收藏

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