Ibatis + MySql+Java实例详解

将以下jar包加入到工程，ibatis-2.3.0.677.jar和mysql-connector-java-5.0.8.jar。



属性文件:SqlMap.properties

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

SqlMapconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<properties resource="iBatis/entity/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="iBatis/entity/Student.xml" />
</sqlMapConfig>

Student.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap>
<typeAlias alias="Student" type="iBatis.entity.Student"/>
<select id="selectAllStudent" resultClass="Student">
select * from tb_student
</select>
<select id="selectStudentById" parameterClass="int" resultClass="Student">
select * from tb_student where id=#id#
</select>
<select id="selectStudentByName" parameterClass="String" resultClass="Student">
select id,name,birth,score from tb_student where name like '%$name$%'
</select>
<insert id="addStudent" parameterClass="Student">
insert into tb_student (name,birth,score) values (#name#,#birth#,#score#)
<selectKey resultClass="int" keyProperty="id">
select @@identity as inserted
</selectKey>
</insert>
<delete id="deleteStudentById" parameterClass="int">
delete from tb_student where id=#id#
</delete>
<update id="updateStudent" parameterClass="Student">
update tb_student set name=#name#,birth=#birth#,score=#score# where id=#id#
</update>
</sqlMap>

Student.java

package iBatis.entity;

import java.sql.Date;

public class Student {
private int id;
private String name;
private Date birth;
private float score;

public Student() {
}

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 Date getBirth() {
return birth;
}

public void setBirth(Date birth) {
this.birth = birth;
}

public float getScore() {
return score;
}

public void setScore(float score) {
this.score = score;
}

@Override
public String toString() {
return "id=" + id + "\t name=" + name + "\t birth=" + birth
+ "\t score=" + score + "\n";
}

}

IStudentDao.java

package iBatis.dao;

import java.util.List;
import iBatis.entity.Student;

public interface IStudentDao {
/*
* 添加学生信息
*/
public boolean addStudent(Student student);

/*
* 根据id删除学生信息
*/
public boolean deleteStudentById(int id);

/*
* 更新学生信息
*/
public boolean updateStudent(Student student);

/*
* 查询全部学生信息
*/
public List<Student> selectAllStudent();

/*
* 根据学生姓名模糊查询学生信息
*/
public List<Student> selectStudentByName(String name);

/*
* 根据学生id查询学生信息
*/
public Student selectStudentById(int id);

}

StudentDaoImpl.java

package iBatis.daoimpl;

import java.io.IOException;
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;
import iBatis.dao.IStudentDao;
import iBatis.entity.Student;

public class StudentDaoImpl implements IStudentDao {
private static SqlMapClient sqlMapClient = null;

// 读取配置文件
static {
try {
Reader reader = Resources
.getResourceAsReader("iBatis/entity/SqlMapConfig.xml");
sqlMapClient = SqlMapClientBuilder.buildSqlMapClient(reader);
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}

public boolean addStudent(Student student) {
Object object = null;
boolean flag = false;
try {
object = sqlMapClient.insert("addStudent", student);
// System.out.println("添加学生信息的返回值:" + object);
} catch (SQLException e) {
e.printStackTrace();
}
if (object != null) {
flag = true;
}
return flag;
}

public boolean deleteStudentById(int id) {
boolean flag = false;
Object object = null;
try {
object = sqlMapClient.delete("deleteStudentById", id);
// System.out.println("删除学生信息的返回值:" + object + ",这里返回的是影响的函数");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (object != null) {
flag = true;
}
return flag;
}

public boolean updateStudent(Student student) {
boolean flag = false;
Object object = false;
try {
object = sqlMapClient.update("updateStudent", student);
// System.out.println("更新学生信息的返回值:" + object );
} catch (SQLException e) {
e.printStackTrace();
}
if (object != null) {
flag = true;
}
return flag;
}

public List<Student> selectAllStudent() {
List<Student> students = null;
try {
students = sqlMapClient.queryForList("selectAllStudent");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return students;
}

public List<Student> selectStudentByName(String name) {
List<Student> students = null;
try {
students = sqlMapClient.queryForList("selectStudentByName", name);
} catch (SQLException e) {
e.printStackTrace();
}
return students;
}

public Student selectStudentById(int id) {
Student student = null;
try {
student = (Student) sqlMapClient.queryForObject(
"selectStudentById", id);
} catch (SQLException e) {
e.printStackTrace();
}
return student;
}

}

TestIbatis.java

package iBatis.test;

import java.sql.Date;
import java.util.List;

import iBatis.daoimpl.StudentDaoImpl;
import iBatis.entity.Student;

public class TestIbatis {
public static void main(String[] args) {
StudentDaoImpl studentDaoImpl = new StudentDaoImpl();

// 查询所有
System.out.println("查询初始数据表：");
List<Student> list1 = studentDaoImpl.selectAllStudent();
for (Student student : list1) {
System.out.println(student);
}

// 测试插入
System.out.println("测试插入：");
Student addStudent = new Student();
addStudent.setName("张三");
addStudent.setBirth(Date.valueOf("2011-09-02"));
addStudent.setScore(88);
System.out.println(studentDaoImpl.addStudent(addStudent));

addStudent.setName("李四");
addStudent.setBirth(Date.valueOf("1990-08-03"));
addStudent.setScore(98);
System.out.println(studentDaoImpl.addStudent(addStudent));

// 根据Id查询
System.out.println("根据Id查询：");
System.out.println(studentDaoImpl.selectStudentById(2));

// 根据姓名查询
System.out.println("根据姓名查询：");
List<Student> list = studentDaoImpl.selectStudentByName("四");
for (Student student : list) {
System.out.println(student);
}

// 查询所有
System.out.println("查询修改后数据表：");
List<Student> list2 = studentDaoImpl.selectAllStudent();
for (Student student : list2) {
System.out.println(student);
}

// 更新信息
System.out.println("更新信息：");
Student updateStudent = new Student();
updateStudent.setId(1);
updateStudent.setName("王五");
updateStudent.setBirth(Date.valueOf("1990-09-07"));
updateStudent.setScore(24);
System.out.println(studentDaoImpl.updateStudent(updateStudent));

// 查询所有
System.out.println("查询修改后数据表：");
List<Student> list3 = studentDaoImpl.selectAllStudent();
for (Student student : list3) {
System.out.println(student);
}

// 删除数据
System.out.println("删除数据：");
Boolean b = studentDaoImpl.deleteStudentById(1);
System.out.println("删除结果:" + b);

// 查询所有
System.out.println("查询修改后数据表：");
List<Student> list4 = studentDaoImpl.selectAllStudent();
for (Student student : list4) {
System.out.println(student);
}
}
}

转载：http://www.tuicool.com/articles/mQNnYnF