package com.red;import java.util.Date;
/*** Student实体类* @author Red**/
public class Student {
//保证一个无参数方法。反射机制private int sid=0;private String sname=null;private String major=null;private Date birth=null;private int score=0;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 String getMajor() {return major;}public void setMajor(String major) {this.major = major;}public Date getBirth() {return birth;}public void setBirth(Date birth) {this.birth = birth;}public int getScore() {return score;}public void setScore(int score) {this.score = score;}@Overridepublic String toString() { //重写toString方法，方便控制台显示String content="sid="+sid+"\tsname:"+sname+"\tmajor:"+major+"\tbirth:"+birth+"\tscore:"+score;return content;}}

package com.red;import java.util.List;
/*** 接口* @author Red**/
public interface IStudentDAO {public void addStudent(Student student);public void deleteStudentById(int id);public void updateStudentById(Student studnet);public List<Student> queryAllStudent();public List<Student> queryStudentByName(String name);public Student queryStudentById(int id);
}

package com.red;import java.io.Reader;
import java.sql.SQLException;
import java.util.List;import com.ibatis.common.resources.Resources;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ibatis.sqlmap.client.SqlMapClientBuilder;public class IStudentDAOImpl implements IStudentDAO {private static SqlMapClient sqlMapClient=null;static{try{Reader reader=Resources.getResourceAsReader("com/red/SqlMapConfig.xml");sqlMapClient = SqlMapClientBuilder.buildSqlMapClient(reader);reader.close();}catch (Exception e) {e.printStackTrace();}}public void addStudent(Student student) {try {sqlMapClient.insert("insertStudent", student);} catch (SQLException e) {e.printStackTrace();}}public void deleteStudentById(int id) {try {sqlMapClient.delete("deleteStudentById",id);} catch (SQLException e) {e.printStackTrace();}}public List<Student> queryAllStudent() {List<Student>     studentList=null;;try {studentList=sqlMapClient.queryForList("selectAllStudent");} catch (SQLException e) {e.printStackTrace();}return studentList;}public Student queryStudentById(int id) {Student student=null;try {student=(Student) sqlMapClient.queryForObject("selectStudentById",id);} catch (SQLException e) {e.printStackTrace();}return student;}/*** 模糊查询*/public List<Student> queryStudentByName(String name) {List<Student> studentList=null;try {studentList=sqlMapClient.queryForList("selectStudentByName", name);} catch (SQLException e) {e.printStackTrace();}return studentList;}public void updateStudentById(Student student) {try {sqlMapClient.update("updateStudentById", student);} catch (SQLException e) {e.printStackTrace();}}public static void main(String[] args) {IStudentDAO dao=new IStudentDAOImpl();/*** 查询所有的学生对象*/for(Student student:dao.queryAllStudent()){//遍历student对象
            System.out.println(student);}/*** 查询指定id的学生对象Student student=dao.queryStudentById(1);System.out.println(student);//以上两行代码可缩写为：System.out.println(dao.queryStudentById(1));*//*** 插入学生对象数据Student student=new Student();student.setSid(3);student.setSname("小明");student.setMajor("应用化学");student.setBirth(Date.valueOf("2013-09-09"));student.setScore(88);dao.addStudent(student);*//*** 删除指定id的学生数据dao.deleteStudentById(1);*//*** 修改数据对象Student student=new Student();student.setSid(3);student.setSname("朱小明");student.setMajor("嵌入式开发");student.setBirth(Date.valueOf("2013-09-09"));student.setScore(68);dao.updateStudentById(student);*//*** 模糊查询for(Student student:dao.queryStudentByName("t")){System.out.println(student);}*/}
}

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/ibatis
username=root
password=123456

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQLL Map Config 2.0//EN""http://ibatis.apache.org/dtd/sql-map-config-2.dtd"><sqlMapConfig><properties resource="com/red/SqlMap.properties"/><transactionManager type="JDBC"><dataSource type="SIMPLE"><property name="JDBC.Driver" value="${driver}"/><property name="JDBC.ConnectionURL" value="${url}"/><property name="JDBC.Username" value="${username}"/><property name="JDBC.Password" value="${password}"/></dataSource></transactionManager><sqlMap resource="com/red/Student.xml"/>
</sqlMapConfig>

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE sqlMapPUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN""http://ibatis.apache.org/dtd/sql-map-2.dtd"><sqlMap><typeAlias alias="student" type="com.red.Student"/><!-- 配置表和实体之间的映射关系 --><resultMap class="com.red.Student" id="student"><result property="sname" column="SNAME"/><result property="major" column="MAJOR"/><result property="birth" column="BIRTH"/><result property="score" column="SCORE"/></resultMap><select id="selectAllStudent" resultClass="student">SELECT SID,SNAME,MAJOR,BIRTH,SCORE FROM `ibatis`.`student`</select><select id="selectStudentById" parameterClass="int" resultClass="student">SELECT SID,SNAME,MAJOR,BIRTH,SCORE FROM `ibatis`.`student`WHERE SID=#sid#</select><insert id="insertStudent" parameterClass="student">INSERT INTO `ibatis`.`student`(SID,SNAME,MAJOR,BIRTH,SCORE)values(#sid#,#sname#,#major#,#birth#,#score#)</insert><delete id="deleteStudentById" parameterClass="int">DELETE FROM `ibatis`.`student`WHERE sid=#sid#</delete><update id="updateStudentById" parameterClass="student">UPDATE `ibatis`.`student` SETSNAME=#sname#,MAJOR=#major#,BIRTH=#birth#,SCORE=#score#WHERE sid=#sid#</update><select id="selectStudentByName" parameterClass="String" resultClass="student">SELECT SID,SNAME,MAJOR,BIRTH,SCORE FROM `ibatis`.`student`WHERE SNAME LIKE '%$sname$%'</select>
</sqlMap>