freeCodeCamp/guide/chinese/csharp/do-while-loop/index.md

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Do while loop 做循环

做循环

do while循环执行一次代码块,直到条件为假。它们是while循环的一个特例:它们执行一次代码块,然后直到条件为假。 do while循环的常见用法是输入检查。

do 
 { 
    //execute code block 
 
 
 } while(boolean expression); 
 
 
 string input = ""; 
 do 
 { 
    Console.WriteLine("Type A to continue: "); 
    input = Console.ReadLine(); 
 } while(input != "A"); 
 
 Console.WriteLine("Bye!"); 

输出:

> Type A to continue: b 
 > Type A to continue: g 
 > Type A to continue: A 
 > Bye! 

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