mybatis的增刪改查
Posted 池鱼i_
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jar包需要三個 連接數據庫的以及mybatis的jar包
下面創建數據庫 複製到一個文檔裏面導入數據庫即可
/*
Navicat mysql Data Transfer
Source Server : localhost_3306
Source Server Version : 50731
Source Host : localhost:3306
Source Database : ssm_dome_tingche01
Target Server Type : MYSQL
Target Server Version : 50731
File Encoding : 65001
Date: 2021-07-12 16:49:15
*/
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for tbl_parking
-- ----------------------------
DROP TABLE IF EXISTS `tbl_parking`;
CREATE TABLE `tbl_parking` (
`pId` int(11) NOT NULL AUTO_INCREMENT,
`carNo` varchar(50) DEFAULT NULL,
`pMark` varchar(20) DEFAULT NULL,
PRIMARY KEY (`pId`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of tbl_parking
-- ----------------------------
INSERT INTO `tbl_parking` VALUES ('1', ' 浙A88888', '123456');
INSERT INTO `tbl_parking` VALUES ('2', '京A88888', '123456');
INSERT INTO `tbl_parking` VALUES ('3', '豫A88888', '123456');
INSERT INTO `tbl_parking` VALUES ('4', '貴A88888', '124566');
INSERT INTO `tbl_parking` VALUES ('5', '莞A88888', '123456');
-- ----------------------------
-- Table structure for tbl_parking_detail
-- ----------------------------
DROP TABLE IF EXISTS `tbl_parking_detail`;
CREATE TABLE `tbl_parking_detail` (
`pdId` int(11) NOT NULL AUTO_INCREMENT,
`pId` int(11) DEFAULT NULL,
`beginDate` datetime NOT NULL,
`endDate` datetime DEFAULT NULL,
`pDur` int(11) DEFAULT NULL,
`pCost` float DEFAULT NULL,
`pName` varchar(11) DEFAULT NULL,
PRIMARY KEY (`pdId`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of tbl_parking_detail
-- ----------------------------
INSERT INTO `tbl_parking_detail` VALUES ('2', '2', '2019-05-15 17:06:30', '2019-05-15 19:06:30', '2', '30', '張四');
INSERT INTO `tbl_parking_detail` VALUES ('3', '3', '2019-05-15 17:06:30', '2019-05-15 20:06:30', '1', '50', '李四');
INSERT INTO `tbl_parking_detail` VALUES ('4', '4', '2021-07-12 10:57:25', '2021-07-14 14:17:52', '48', '200', '趙四');
INSERT INTO `tbl_parking_detail` VALUES ('5', '5', '2021-07-22 14:17:37', '2021-07-23 14:17:40', '1', '5', '趙雲');
INSERT INTO `tbl_parking_detail` VALUES ('6', '1', '2019-05-15 17:06:30', '2019-05-15 18:06:30', '1', '11', 'dd');
mybatisUtils文件
package cn.hp.util;
import java.io.IOException;
import java.io.InputStream;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
public class MybatisUtils
private static SqlSessionFactory sessionFactory;
static
String resource="mybatis.xml";
try
InputStream is=Resources.getResourceAsStream(resource);
sessionFactory=new SqlSessionFactoryBuilder().build(is);
catch (IOException e)
// TODO Auto-generated catch block
e.printStackTrace();
public static SqlSession getSession()
return sessionFactory.openSession();
public static void closeSession(SqlSession session)
if(session!=null)
session.close();
mybatis.xml配置文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<typeAliases>
<package name="cn.hp.model"/>
</typeAliases>
<environments default="mysql">
<environment id="mysql">
<transactionManager type="JDBC"/>
<dataSource type="POOLED">
<property name="driver" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/ssm_dome_tingche01?characterEncoding=utf8"/>
<property name="username" value="root"/>
<property name="password" value="123456"/>
</dataSource>
</environment>
</environments>
<mappers>
<mapper resource="cn/hp/dao/ParkingMapper.xml"></mapper>
</mappers>
</configuration>ParkingMapp接口
package cn.hp.dao;
import cn.hp.model.ParkingInfo;
import org.apache.ibatis.annotations.Param;
import java.util.List;
import java.util.Map;
public interface ParkingMapper
public List<ParkingInfo> findAll();
//查詢大於某個車費大於30的車
public List<ParkingInfo> findPCost(int pCost);
//查詢某個停車信息
public ParkingInfo findById(String id);
//根據車主名稱模糊查詢
public List<ParkingInfo> findParkName(String name);
//查詢大於某個車費大於30的車 以及車主姓名模糊查詢
public List<ParkingInfo> findPark(@Param("pCost")float pCost,@Param("pName")String pName);
//Map接受
public List<ParkingInfo> findParkByMap(Map<String, Object> map);
//刪除某個信息
public int deletePark(int pdid);
//修改某個信息
public int update(ParkingInfo pi);
//添加一條數據
public int add(ParkingInfo pi);
ParkingMapper.xml文件寫增刪改查sql語句
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.hp.dao.ParkingMapper">
<resultMap id="parkingList" type="cn.hp.model.ParkingInfo">
<result property="pdid" column="pdid"></result>
<result property="pid" column="pid"></result>
<result property="beginDate" column="beginDate"></result>
<result property="endDate" column="endDate"></result>
<result property="pDur" column="pDur"></result>
<result property="pCost" column="pCost"></result>
<result property="pName" column="pName"></result>
<result property="carNo" column="carNo"></result>
</resultMap>
<select id="findAll" resultMap="parkingList">
select d.*,p.carNo from tbl_parking_detail d,tbl_parking p where d.pid=p.pid
</select>
<select id="findPCost" parameterType="int" resultType="cn.hp.model.ParkingInfo">
select * from tbl_parking_detail where pCost>#pCost
</select>
<select id="findById" parameterType="String" resultType="cn.hp.model.ParkingInfo">
select * from tbl_parking_detail where pdid=#pdid
</select>
<select id="findParkName" resultType="cn.hp.model.ParkingInfo">
select * from tbl_parking_detail where pName like '%$pName%'
</select>
<select id="findPark" resultType="cn.hp.model.ParkingInfo">
select * from tbl_parking_detail where pName like '%$pName%' and pCost>#pCost
</select>
<select id="findParkByMap" parameterType="map" resultType="cn.hp.model.ParkingInfo">
select * from tbl_parking_detail where pDur=#pDur and pCost>#pCost
</select>
<delete id="deletePark" parameterType="cn.hp.model.ParkingInfo" >
delete from tbl_parking_detail where pdid=#pdid
</delete>
<update id="update" parameterType="cn.hp.model.ParkingInfo">
update tbl_parking_detail set pName =#pName where pdid=#pdid
</update>
<insert id="add" parameterType="cn.hp.model.ParkingInfo">
insert into tbl_parking_detail values (null,#pid,#beginDate,#endDate,#pDur,#pCost,#pName)
</insert>
</mapper>model類ParkingInfo
package cn.hp.model;
public class ParkingInfo
public int pdid;
public int pid;
public String beginDate;
public String endDate;
public int pDur;
public String pName;
public float pCost;
public String carNo;
public int getPdid()
return pdid;
public void setPdid(int pdid)
this.pdid = pdid;
public ParkingInfo(int pid, String beginDate, String endDate, int pDur, String pName, float pCost, String carNo)
this.pid = pid;
this.beginDate = beginDate;
this.endDate = endDate;
this.pDur = pDur;
this.pName = pName;
this.pCost = pCost;
this.carNo = carNo;
@Override
public String toString()
return "ParkingInfo" +
"pdid=" + pdid +
", pid=" + pid +
", beginDate='" + beginDate + '\\'' +
", endDate='" + endDate + '\\'' +
", pDur=" + pDur +
", pName='" + pName + '\\'' +
", pCost=" + pCost +
", carNo='" + carNo + '\\'' +
'';
public int getPid()
return pid;
public void setPid(int pid)
this.pid = pid;
public String getBeginDate()
return beginDate;
public void setBeginDate(String beginDate)
this.beginDate = beginDate;
public String getEndDate()
return endDate;
public void setEndDate(String endDate)
this.endDate = endDate;
public int getpDur()
return pDur;
public void setpDur(int pDur)
this.pDur = pDur;
public String getpName()
return pName;
public void setpName(String pName)
this.pName = pName;
public float getpCost()
return pCost;
public void setpCost(float pCost)
this.pCost = pCost;
public String getCarNo()
return carNo;
public void setCarNo(String carNo)
this.carNo = carNo;
public ParkingInfo(int pdid, int pid, String beginDate, String endDate, int pDur, String pName, float pCost, String carNo)
this.pdid = pdid;
this.pid = pid;
this.beginDate = beginDate;
this.endDate = endDate;
this.pDur = pDur;
this.pName = pName;
this.pCost = pCost;
this.carNo = carNo;
public ParkingInfo()
最後就是測試類了：
package cn.hp.test;
import cn.hp.dao.ParkingMapper;
import cn.hp.model.ParkingInfo;
import cn.hp.util.MybatisUtils;
import org.apache.ibatis.session.SqlSession;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class Test01
public static void main(String[] args)
// test1();
// test2();
// test3();
// test4();
// test5();
// test6();
// test7();
// test8();
test9();
private static void test9()
SqlSession session =MybatisUtils.getSession();
int i= session.getMapper(ParkingMapper.class).add(new ParkingInfo(1,"2019-05-15-17:06:30","2019-05-15-18:06:30",1,"dd",11,"sss"));
if (i>0)
System.out.println("修改ok");
session.commit();
private static void test8()
SqlSession session =MybatisUtils.getSession();
ParkingInfo pi= session.getMapper(ParkingMapper.class).findById("2");
pi.setpName("張四");
int result=session.getMapper(ParkingMapper.class).update(pi);
if (result>0)
System.out.println("修改ok");
session.commit();
private static void test7()
SqlSession session =MybatisUtils.getSession();
int result= session.getMapper(ParkingMapper.class).deletePark(1);
if (result>0)
System.out.println("刪除ok");
session.commit();
private static void test6()
SqlSession session =MybatisUtils.getSession();
Map<String, Object> map = new HashMap<String, Object>();
map.put("pDur",1);
map.put("pCost",30);
List<ParkingInfo> parkingInfoList= session.getMapper(ParkingMapper.class).findParkByMap(map);
for (ParkingInfo s:parkingInfoList)
System.out.println(s.getpCost()+"\\t"+s.getpName());
private static void test5()
SqlSession session =MybatisUtils.getSession();
List<ParkingInfo> parkingInfoList= session.getMapper(ParkingMapper.class).findPark(30,"趙");
for (ParkingInfo s:parkingInfoList)
System.out.println(s.getpCost()+"\\t"+s.getpName());
private static void test4()
SqlSession session =MybatisUtils.getSession();
List<ParkingInfo> parkingInfoList= session.getMapper(ParkingMapper.class).findParkName("四");
for (ParkingInfo s:parkingInfoList)
System.out.println(s.getPdid()+"\\t"+s.getpName());
private static void test3()
SqlSession session =MybatisUtils.getSession();
ParkingInfo si= session.getMapper(ParkingMapper.class).findById("2");
System.out.println(si.getPdid()+"\\t"+si.getPid()+"\\t"+si.beginDate+"\\t"+si.endDate+"\\t"+si.pDur+"\\t"+si.pCost);
private static void test2()
SqlSession session =MybatisUtils.getSession();
List<ParkingInfo> parkingInfoList= session.getMapper(ParkingMapper.class).findPCost(30);
for (ParkingInfo s:parkingInfoList)
System.out.println(s.getPdid()+"\\t"+s.getpCost());
private static void test1()
SqlSession session =MybatisUtils.getSession();
List<ParkingInfo> parkingInfoList= session.getMapper(ParkingMapper.class).findAll();
for (ParkingInfo s:parkingInfoList)
System.out.println(s.getPdid()+"\\t"+s.getCarNo());
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