package java_web;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class JDBC {
public static void main(String[] args) {
try {
Class.forName(
"com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/yy2018",
"root",
"root");
Statement sc = con.createStatement();
String sql =
"select * from user01";
ResultSet rs = sc.executeQuery(sql);
while(rs.next()){
System.out.println(
"提取账号: "+rs.getInt(
1)+
"提取密码: "+rs.getInt(
2));
}
if(rs!=
null){
rs.close();
}
if(sc!=
null){
sc.close();
}
if(con!=
null){
con.close();
}
}
catch (Exception e) {
e.printStackTrace();
}
}
}
永远不要太自以为是，谁知道自己在别人眼里是一副什么模样
