SpringBoot用JdbcTemplates访问Mysql实例代码

-- create table `account`DROP TABLE `account` IF EXISTSCREATE 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');

<dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-jdbc</artifactId>    </dependency>

<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>

<dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-web</artifactId>    </dependency>

spring.datasource.driver-class-name=com.mysql.jdbc.Driverspring.datasource.url=jdbc:mysql://localhost:3306/testspring.datasource.username=rootspring.datasource.password=123456

public class Account {  private int id ;  private String name ;  private double money;....省略了getter. setter}

public interface IAccountDAO {  int add(Account account);  int update(Account account);  int delete(int id);  Account findAccountById(int id);  List<Account> findAccountList();}

package com.forezp.dao.impl;import com.forezp.dao.IAccountDAO;import com.forezp.entity.Account;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.jdbc.core.BeanPropertyRowMapper;import org.springframework.jdbc.core.JdbcTemplate;import org.springframework.stereotype.Repository;import java.util.List;/** * Created by fangzhipeng on 2017/4/20. */@Repositorypublic class AccountDaoImpl implements IAccountDAO {  @Autowired  private JdbcTemplate jdbcTemplate;  @Override  public int add(Account account) {    return jdbcTemplate.update("insert into account(name, money) values(?, ?)",       account.getName(),account.getMoney());  }  @Override  public int update(Account account) {    return jdbcTemplate.update("UPDATE account SET NAME=? ,money=? WHERE id=?",        account.getName(),account.getMoney(),account.getId());  }  @Override  public int delete(int id) {    return jdbcTemplate.update("DELETE from TABLE account where id=?",id);  }  @Override  public Account findAccountById(int id) {    List<Account> list = jdbcTemplate.query("select * from account where id = ?", new Object[]{id}, new BeanPropertyRowMapper(Account.class));    if(list!=null && list.size()>0){      Account account = list.get(0);      return account;    }else{      return null;    }  }  @Override  public List<Account> findAccountList() {    List<Account> list = jdbcTemplate.query("select * from account", new Object[]{}, new BeanPropertyRowMapper(Account.class));    if(list!=null && list.size()>0){      return list;    }else{      return null;    }  }}

public interface IAccountService {  int add(Account account);  int update(Account account);  int delete(int id);  Account findAccountById(int id);  List<Account> findAccountList();}

@Servicepublic class AccountService implements IAccountService {  @Autowired  IAccountDAO accountDAO;  @Override  public int add(Account account) {    return accountDAO.add(account);  }  @Override  public int update(Account account) {    return accountDAO.update(account);  }  @Override  public int delete(int id) {    return accountDAO.delete(id);  }  @Override  public Account findAccountById(int id) {    return accountDAO.findAccountById(id);  }  @Override  public List<Account> findAccountList() {    return accountDAO.findAccountList();  }}

package com.forezp.web;import com.forezp.entity.Account;import com.forezp.service.IAccountService;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  IAccountService 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.findAccountById(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){    Account account=new Account();    account.setMoney(money);    account.setName(name);    account.setId(id);    int t=accountService.update(account);    if(t==1){      return account.toString();    }else {      return "fail";    }  }  @RequestMapping(value = "",method = RequestMethod.POST)  public String postAccount( @RequestParam(value = "name")String name,                 @RequestParam(value = "money" )double money){    Account account=new Account();    account.setMoney(money);    account.setName(name);    int t= accountService.add(account);    if(t==1){      return account.toString();    }else {      return "fail";    }  }}