SpringMVC（二）SpringMVC+MyBatis+Thymeleaf例項
阿新 • • 發佈：2018-11-30
SpringMVC例項
本文采用的環境是Spring Boot2+MyBatis+thymeleaf
資料庫建表
CREATE TABLE `t_person` (
`id` int(12) NOT NULL AUTO_INCREMENT,
`person_name` varchar(60) NOT NULL,
`note` varchar(256) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=25 DEFAULT CHARSET=utf8;
Maven依賴
<?xml version="1.0" encoding="UTF-8"?> application.properties配置檔案
#資料庫配置
spring.datasource.url=jdbc:mysql://192.168.3.253:3306/springboot_database?useUnicode=true&characterEncoding=utf8
spring.datasource.username=root
spring.datasource.password=123456
# spring.datasource.driver-class-name=com.mysql.jdbc.Driver
#指定資料連線池的型別
spring.datasource.type=org.apache.commons.dbcp2.BasicDataSource
#最大等待連線中的數量，設定0為沒有限
spring.datasource.dbcp2.max-idle=10
#最大連線活動數
spring.datasource.dbcp2.max-total=50
#最大等待毫秒數，單位ms，超過時間會出錯誤資訊
spring.datasource.dbcp2.max-wait-millis=10000
#資料庫連線池初始化連線數
spring.datasource.dbcp2.initial-size=5
#設定預設的隔離級別為讀寫提交
spring.datasource.dbcp2.default-transaction-isolation=2
spring.mvc.view.prefix=/
spring.mvc.view.suffix=.html
# mybatis配置
mybatis.mapper-locations=classpath:mapper/*.xml
mybatis.type-aliases-package: com.lay.mvc.entity
#駝峰命名轉換
mybatis.configuration.mapUnderscoreToCamelCase=true
#sql日誌
logging.level.com.lay.mvc.dao=trace
實體Entity
package com.lay.mvc.entity;
import com.lay.mvc.enumeration.SexEnum;
import org.apache.ibatis.type.Alias;
/**
* @Description:
* @Author: lay
* @Date: Created in 0:33 2018/11/11
* @Modified By:IntelliJ IDEA
*/
@Alias("person")
public class Person {
private static final long serialVersionUID = 3172000990909338544L;
private Long id = null;
private String personName = null;
private String note = null;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getNote() {
return note;
}
public void setNote(String note) {
this.note = note;
}
public String getPersonName() {
return personName;
}
public void setPersonName(String personName) {
this.personName = personName;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
}
資料訪問層DAO
package com.lay.mvc.dao;
import com.lay.mvc.entity.Person;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
import java.util.List;
/**
* @Description:
* @Author: lay
* @Date: Created in 0:35 2018/11/11
* @Modified By:IntelliJ IDEA
*/
@Mapper
@Repository
public interface PersonDao {
//獲取單個使用者
public Person getPerson(Long id);
//新增使用者
public int insertPerson(Person person);
//更新使用者
public int updatePerson(Person person);
//獲取全部使用者
public List<Person> getAllPersons();
//查詢使用者
public List<Person> findPersons(@Param("personName") String personName, @Param("note") String note);
//刪除使用者
public int deletePerson(Long id);
}
MyBatis Mappper對映檔案
路徑為/resources/mapper/personMapper.xml
<?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="com.lay.mvc.dao.PersonDao">
<select id="getPerson" parameterType="long" resultType="person">
select id,person_name,note from t_person where id=#{id}
</select>
<insert id="insertPerson" useGeneratedKeys="true" keyProperty="id" >
insert into t_person(person_name,note) values(#{personName},#{note})
</insert>
<update id="updatePerson">
update t_person
<set>
<if test="personName!=null">person_name=#{personName},</if>
<if test="note!=null">note=#{note}</if>
</set>
where id=#{id}
</update>
<select id="getAllPersons" resultType="person">
select id,person_name,note from t_person
</select>
<select id="findPersons" resultType="person">
select id,person_name,note from t_person
<where>
<if test="personName!=null">
and person_name=#{personName}
</if>
<if test="note!=null">
and note=#{note}
</if>
</where>
</select>
<delete id="deletePerson" parameterType="long">
delete from t_person where id=#{id}
</delete>
</mapper>
服務層Service
package com.lay.mvc.service;
import com.lay.mvc.entity.Person;
import org.apache.ibatis.annotations.Param;
import java.util.List;
/**
* @Description:
* @Author: lay
* @Date: Created in 0:39 2018/11/11
* @Modified By:IntelliJ IDEA
*/
public interface PersonService {
//獲取單個使用者
public Person getPerson(Long id);
//新增使用者
public Person insertPerson(Person person);
//更新使用者名稱
public Person updatePerson(Long id, String personName);
//獲取全部使用者
public List<Person> getAllPersons();
//查詢使用者
public List<Person> findPersons(String personName,String note);
//刪除使用者
public int deletePerson(Long id);
}
服務層實現類ServiceImpl
package com.lay.mvc.service.impl;
import com.lay.mvc.dao.PersonDao;
import com.lay.mvc.entity.Person;
import com.lay.mvc.service.PersonService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* @Description:
* @Author: lay
* @Date: Created in 0:40 2018/11/11
* @Modified By:IntelliJ IDEA
*/
@Service
public class PersonServiceImpl implements PersonService {
@Autowired
PersonDao personDao ;
@Override
@Transactional
public Person getPerson(Long id) {
return personDao.getPerson(id);
}
@Override
@Transactional(isolation = Isolation.READ_COMMITTED, timeout = 1, propagation = Propagation.REQUIRES_NEW)
public Person insertPerson(Person person) {
personDao.insertPerson(person);
return person;
}
@Override
@Transactional
public Person updatePerson(Long id, String personName) {
Person person = this.getPerson(id);
if (person == null) {
return null;
}
person.setPersonName(personName);
personDao.updatePerson(person);
return person;
}
@Override
public List<Person> getAllPersons() {
return personDao.getAllPersons();
}
@Override
public List<Person> findPersons(String personName, String note) {
return personDao.findPersons(personName,note);
}
@Override
@Transactional
public int deletePerson(Long id) {
return personDao.deletePerson(id);
}
}
控制器Controller
package com.lay.mvc.controller;
import com.lay.mvc.entity.Person;
import com.lay.mvc.enumeration.SexEnum;
import com.lay.mvc.service.PersonService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
import javax.servlet.http.HttpServletRequest;
import java.util.List;
/**
* @Description:
* @Author: lay
* @Date: Created in 0:25 2018/11/11
* @Modified By:IntelliJ IDEA
*/
@RequestMapping(value = "/person")
@Controller
public class PersonController {
//注入使用者服務類
@Autowired
PersonService personService;
//獲取人員列表
@RequestMapping("/table")
public ModelAndView table() {
List<Person> personList = personService.getAllPersons();
ModelAndView mv = new ModelAndView();
mv.setViewName("person/table");
mv.addObject("personList", personList);
return mv;
}
@RequestMapping("/list")
@ResponseBody
public List<Person> list(
@RequestParam(value = "personName", required = false) String personName,
@RequestParam(value = "note", required = false) String note) {
List<Person> personList = personService.findPersons(personName, note);
return personList;
}
}
啟動類
配置Mapper掃描
package com.lay.mvc;
import org.apache.ibatis.annotations.Mapper;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
@SpringBootApplication
@MapperScan(basePackages = "com.lay.mvc.dao", annotationClass = Mapper.class)
public class MvcApplication {
public static void main(String[] args) {
SpringApplication.run(MvcApplication.class, args);
}
}
檢視頁面
目錄：/resources/templates/person/table
<!DOCTYPE html>
<html xmlns:th="ht