package text02;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import com.alibaba.druid.pool.DruidDataSource;
public class DRUID01 {
public static void main(String[] args) throws SQLException {
DruidDataSource druidDataSource = new DruidDataSource();
druidDataSource.setDriverClassName("com.mysql.jdbc.Driver");
druidDataSource.setUrl("jdbc:mysql://localhost:3306/jdbc?useSSL=false");
Connection connection = druidDataSource.getConnection("root","root");
//增删改查
//增
/*
Statement statement = connection.createStatement();
String sql = "insert into users values(3,\"abc\",\"aasd\",\"asd\")";
int executeUpdate = statement.executeUpdate(sql);
System.out.println("成功增加"+executeUpdate+"条数据");
*/
//删
/*
Statement statement = connection.createStatement();
String sql = "delete from users where id = 1";
int executeUpdate = statement.executeUpdate(sql);
System.out.println("成功删除"+executeUpdate+"条数据");
*/
/*
* 改
Statement statement = connection.createStatement();
String sql = "update users set name = \"asadasd\" where id =1";
int executeUpdate = statement.executeUpdate(sql);
System.out.println("成功修改"+executeUpdate+"条数据");
*/
//查询
Statement statement = connection.createStatement();
String sql = "select * from users";
ResultSet resultSet = statement.executeQuery(sql);
while(resultSet.next()) {
System.out.println(resultSet.getString("name"));
}
resultSet.close();
statement.close();
connection.close();
druidDataSource.close();
}
}
druid--jdbc基础操作一
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转载自blog.csdn.net/xiaosuanmiao123/article/details/81174149
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