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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                寫入控制臺 ``` Console.WriteLine("Hello World!"); ``` 讀取用戶在控制臺輸入的內容 ``` Console.ReadLine(); ``` 字符串中插入變量:string.format ``` string name = "dash"; int age = 20; string speak = string.Format("我的名字叫{0},今年{1}歲啦",name,age); Console.WriteLine("我的名字叫{0},今年{1}歲啦", name, age); Console.WriteLine(speak); Console.ReadLine(); ``` 定義空字符 ``` char c='\0'; //char c='';會報錯 //char c=' ';是空格 //String str='';是可以的 ``` ## **貨幣表示:** ``` Console.WriteLine("金額:{0:c}",100);//金額:¥100 Console.WriteLine("金額:{0:d2}", 5);//金額:05 d2:不足2位0填充 d3:不足3位0填充 Console.WriteLine("金額:{0:f1}", 1.54);//金額:1.5 f1:指定精度四舍五入顯示(保留1位小數) f2:指定精度四舍五入顯示(保留2位小數) ``` ## **百分數顯示** ``` Console.WriteLine("比率:{0:p}",0.1);//比率:%10.00 Console.WriteLine("比率:{0:p1}",0.1);//比率:%10.0 Console.WriteLine("比率:{0:p0}",0.1);//比率:%10 ```
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                              哎呀哎呀视频在线观看