c#语言,完成随机点餐功能,cs架构,SQLITE数据库
( 十个商家 几个菜品 代码 )
学渣一个 只为完成老师给的作业 不求完美只求过关
c#语言,完成随机点餐功能,cs架构,SQLITE数据库
( 十个商家 几个菜品 代码 )
学渣一个 只为完成老师给的作业 不求完美只求过关
其他人如果需要,完整代码:https://download.csdn.net/download/caozhy/11092305
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.Linq;
using System.Text;
namespace Q755018
{
class Program
{
static void Main(string[] args)
{
List<string> dishes = new List<string>();
List<string> shops = new List<string>();
SQLiteConnection conn = new SQLiteConnection("Data Source=Q755018DB.db;Version=3;");
conn.Open();
SQLiteCommand cmd = new SQLiteCommand("select * from dishes", conn);
var reader = cmd.ExecuteReader();
while (reader.Read())
dishes.Add(reader["dishname"].ToString().Trim());
reader.Close();
cmd.CommandText = "select * from shops";
reader = cmd.ExecuteReader();
while (reader.Read())
shops.Add(reader["shopname"].ToString().Trim());
reader.Close();
Console.Write("随机选一个店:");
Console.WriteLine(shops.OrderBy(x => Guid.NewGuid()).First());
Console.WriteLine("随机点五个菜:");
foreach (var item in dishes.OrderBy(x => Guid.NewGuid()).Take(5))
Console.WriteLine("\t" + item);
}
}
}