package com.mxy.jdbc;
import java.sql.*;
import java.util.Scanner;
public class JDBCTest08 {
public static void main(String[] args) {
//用户在控制台输入desc就是降序,输入asc就是升序
Scanner s = new Scanner(System.in);
System.out.println("输入desc或asc");
String keyWords = s.nextLine();
//执行sql
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
//注册驱动
Class.forName("com.mysql.jdbc.Driver");
//获取连接
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/book?useUnicode=true&characterEncoding=utf8&useSSL=false","root","123456");
String sql = "select prof_name from profession order by prof_name " + keyWords;
stmt = conn.createStatement();
//执行sql
rs = stmt.executeQuery(sql);
while(rs.next()){
System.out.println(rs.getString("prof_name"));
}
} catch (ClassNotFoundException | SQLException e) {
e.printStackTrace();
}finally {
if(rs != null){
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if(stmt != null){
try {
stmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if(conn != null){
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
}
JDBC Statement回顾
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转载自blog.csdn.net/qq_42650433/article/details/121365134
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