这篇文章主要讲解了“springboot整合mybatis并访问数据库的过程”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“springboot整合mybatis并访问数据库的过程”吧！
在pom文件引入mybatis-spring-boot-starter的依赖：
计算
安全
数据库
网络和加速
企业服务
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter<artifactId>
<version>1.3.0</version>
</dependency>引入数据库连接依赖：
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.29</version>
</dependency>application.properties配置文件中引入数据源：
spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver这样，springboot就可以访问数据了。
建表语句：
-- create table `account`
# DROP TABLE `account` IF EXISTS
CREATE TABLE `account` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) NOT NULL,
`money` double DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
INSERT INTO `account` VALUES ('1', 'aaa', '1000');
INSERT INTO `account` VALUES ('2', 'bbb', '1000');
INSERT INTO `account` VALUES ('3', 'ccc', '1000');这篇文篇通过注解的形式实现。
public class Account {
private int id ;
private String name ;
private double money;
setter...
getter...
}@Mapper
public interface AccountMapper {
@Insert("insert into account(name, money) values(#{name}, #{money})")
int add(@Param("name") String name, @Param("money") double money);
@Update("update account set name = #{name}, money = #{money} where id = #{id}")
int update(@Param("name") String name, @Param("money") double money, @Param("id") int id);
@Delete("delete from account where id = #{id}")
int delete(int id);
@Select("select id, name as name, money as money from account where id = #{id}")
Account findAccount(@Param("id") int id);
@Select("select id, name as name, money as money from account")
List<Account> findAccountList();
}@Service
public class AccountService {
@Autowired
private AccountMapper accountMapper;
public int add(String name, double money) {
return accountMapper.add(name, money);
}
public int update(String name, double money, int id) {
return accountMapper.update(name, money, id);
}
public int delete(int id) {
return accountMapper.delete(id);
}
public Account findAccount(int id) {
return accountMapper.findAccount(id);
}
public List<Account> findAccountList() {
return accountMapper.findAccountList();
}
}package com.forezp.web;
import com.forezp.entity.Account;
import com.forezp.service.AccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.List;
/**
* Created by fangzhipeng on 2017/4/20.
*/
@RestController
@RequestMapping("/account")
public class AccountController {
@Autowired
AccountService accountService;
@RequestMapping(value = "/list", method = RequestMethod.GET)
public List<Account> getAccounts() {
return accountService.findAccountList();
}
@RequestMapping(value = "/{id}", method = RequestMethod.GET)
public Account getAccountById(@PathVariable("id") int id) {
return accountService.findAccount(id);
}
@RequestMapping(value = "/{id}", method = RequestMethod.PUT)
public String updateAccount(@PathVariable("id") int id, @RequestParam(value = "name", required = true) String name,
@RequestParam(value = "money", required = true) double money) {
int t= accountService.update(name,money,id);
if(t==1) {
return "success";
}else {
return "fail";
}
}
@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
public String delete(@PathVariable(value = "id")int id) {
int t= accountService.delete(id);
if(t==1) {
return "success";
}else {
return "fail";
}
}
@RequestMapping(value = "", method = RequestMethod.POST)
public String postAccount(@RequestParam(value = "name") String name,
@RequestParam(value = "money") double money) {
int t= accountService.add(name,money);
if(t==1) {
return "success";
}else {
return "fail";
}
}
}通过postman测试通过。
感谢各位的阅读，以上就是“springboot整合mybatis并访问数据库的过程”的内容了，经过本文的学习后，相信大家对springboot整合mybatis并访问数据库的过程这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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原文链接：https://my.oschina.net/u/4588934/blog/4592677
