首先简历数据库demo
(本文选mysql数据库)
数据库脚本:
CREATE TABLE 'ibatis' ( 'id' varchar(20) NOT NULL, 'name' varchar(20) default NULL, PRIMARY KEY ('id') ) ENGINE=InnoDB DEFAULT CHARSET=gb2312; insert into ibatis values("1","1"); insert into ibatis values("2","2");
domain对象:
package ch10.SpringAndIbatis; public class Ibatis{ private String id; private String name; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Ibatis(){ } public Ibatis(String id, String name) { super(); this.id = id; this.name = name; } }
package ch10.SpringAndIbatis; import java.util.List; public interface IDAO { public List getList(); public Ibatis getByName(String name); public Ibatis getById(String id); public void save(Ibatis ibatis); public void delete(String id); public void update(Ibatis ibatis); }
DAO实现类:
package ch10.SpringAndIbatis; import java.util.List; import org.springframework.orm.ibatis.support.SqlMapClientDaoSupport; public class TestDAO extends SqlMapClientDaoSupport implements IDAO { public void delete(String id) { getSqlMapClientTemplate().delete("deleteUser", id); } public Ibatis getById(String id) { return (Ibatis) getSqlMapClientTemplate().queryForObject( "getUserById", id); } public Ibatis getByName(String name) { return (Ibatis) getSqlMapClientTemplate().queryForObject( "getUserByName", name); } public List getList() { return getSqlMapClientTemplate().queryForList("getAllUsers", null); } public void save(Ibatis ibatis) { getSqlMapClientTemplate().insert("insertUser", ibatis); } public void update(Ibatis ibatis) { getSqlMapClientTemplate().update("updateUser", ibatis); } }
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE sqlMapConfig PUBLIC "-//iBATIS.com//DTD SQL Map Config 2.0//EN" "http://www.ibatis.com/dtd/sql-map-config-2.dtd"> <sqlMapConfig> <sqlMap resource="ch10/SpringAndIbatis/ibatis.xml" /> </sqlMapConfig>
<?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 type="ch10.SpringAndIbatis.Ibatis" alias="user"/> <resultMap id="ibatisTest" class="user" > <result column="id" property="id" jdbcType="VARCHAR" /> <result column="name" property="name" jdbcType="VARCHAR" /> </resultMap> <!-- 获得全查询列表 --> <select id="getAllUsers" resultMap="ibatisTest"> select * from Ibatis </select> <!-- 根据用户名获得用户对象 --> <select id="getUserByName" resultMap="ibatisTest"> select * from Ibatis where name=#value# </select> <!-- 根据id获得用户对象 --> <select id="getUserById" resultMap="ibatisTest"> select * from Ibatis where id=#value# </select> <!-- 新增用户对象 --> <insert id="insertUser" parameterClass="user"> insert into ibatis (id,name) values (#id#,#name#) </insert> <!-- 删除用户对象 --> <delete id="deleteUser"> delete from ibatis where id=#value# </delete> <!-- 更新用户对象 --> <delete id="updateUser" parameterClass="user"> update ibatis set name=#name# where id=#id# </delete> </sqlMap>
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName"> <value>com.mysql.jdbc.Driver</value> </property> <property name="username"> <value>root</value> </property> <property name="password"> <value>1234</value> </property> <property name="url"> <value>jdbc:mysql://localhost:3306/spring</value> </property> </bean> <bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean"> <!-- 此处应注入ibatis配置文件,而非sqlMap文件,否则会出现“there is no statement.....异常” --> <property name="configLocation"> <value>ch10/SpringAndIbatis/sqlMapConfig.xml</value> </property> </bean> <bean id="testDAO" class="ch10.SpringAndIbatis.TestDAO"> <property name="dataSource"> <ref bean="dataSource"/> </property> <property name="sqlMapClient"> <ref bean="sqlMapClient"/> </property> </bean> </beans>
package ch10.SpringAndIbatis; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class Test { /** */ /** * @param args */ public static void main(String[] args) { ApplicationContext context = new ClassPathXmlApplicationContext( "ch10/SpringAndIbatis/applicationContext.xml"); TestDAO testDAOImpl = (TestDAO) context.getBean("testDAO"); // 获得全查询列表 System.out.println("获得全查询列表"); List result = new ArrayList(); result = testDAOImpl.getList(); for (Iterator iter = result.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } // 根据用户名获得用户对象 System.out.println("根据用户名获得用户对象"); Ibatis ibatis = testDAOImpl.getByName("1"); System.out.println(ibatis.getName()); // 根据id获得用户对象 System.out.println("根据id获得用户对象"); Ibatis ibatis1 = testDAOImpl.getById("1"); System.out.println(ibatis.getName()); // 新增用户对象 System.out.println("-----------------"); System.out.println("新增用户对象前"); List result1 = new ArrayList(); result1 = testDAOImpl.getList(); for (Iterator iter = result1.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } testDAOImpl.save(new Ibatis("3", "3")); // 新增用户 System.out.println("新增用户对象后"); List result2 = new ArrayList(); result2 = testDAOImpl.getList(); for (Iterator iter = result2.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } System.out.println("-----------------"); // 删除用户对象 System.out.println("-----------------"); System.out.println("删除用户对象前"); List result3 = new ArrayList(); result3 = testDAOImpl.getList(); for (Iterator iter = result3.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } testDAOImpl.delete("3"); // 删除用户 System.out.println("删除用户对象后"); List result4 = new ArrayList(); result4 = testDAOImpl.getList(); for (Iterator iter = result4.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } System.out.println("-----------------"); // 更新用户对象 System.out.println("-----------------"); System.out.println("更新用户对象前"); List result5 = new ArrayList(); result5 = testDAOImpl.getList(); for (Iterator iter = result5.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } Ibatis ibatis3 = testDAOImpl.getById("1"); ibatis3.setName("new1"); testDAOImpl.update(ibatis3);// 更新用户对象 System.out.println("更新用户对象后"); List result6 = new ArrayList(); result6 = testDAOImpl.getList(); for (Iterator iter = result6.iterator(); iter.hasNext();) { Ibatis element = (Ibatis) iter.next(); System.out.println(element.getName()); } System.out.println("-----------------"); } }
测试结果: 获得全查询列表 1 2 根据用户名获得用户对象 1 根据id获得用户对象 1 ----------------- 新增用户对象前 1 2 新增用户对象后 1 2 3 ----------------- ----------------- 删除用户对象前 1 2 3 删除用户对象后 1 2 ----------------- ----------------- 更新用户对象前 1 2 更新用户对象后 new1 2 -----------------