JDBC测试用例

package com.example.demo;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.test.context.junit4.SpringRunner;

import javax.annotation.Resource;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

@RunWith(SpringRunner.class)
@SpringBootTest
public class MySpringBootApplicationTests {

    @Resource
    private JdbcTemplate jdbcTemplate;
    @Test
    public void contextLoads() {
        String sql = "select id,name,password from ay_user";
        List<AyUser> userList =  jdbcTemplate.query(sql, new RowMapper<AyUser>(){
                    @Override
                    public AyUser mapRow(ResultSet rs, int rowNum) throws SQLException {
                        AyUser user = new AyUser();
                        user.setId(rs.getString("id"));
                        user.setName(rs.getString("name"));
                        user.setPassword(rs.getString("password"));
                        return user;
                    }
                });
        System.out.println("查询成功：");
        for(AyUser user:userList){
            System.out.println("【id】: " + user.getId() + "；【name】: " + user.getName());
        }

    }

}
package com.example.demo;

import org.jun