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int x = 16;
decimal y = 3.57m;
string h = String.Format( "item {0} sells at {1:C}", x, y );
Console.WriteLine(h);
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item 16 sells at £¤3.57
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Console.WriteLine( "Hello {0} {1} {2} {3} {4} {5} {6} {7} {8}", 123,
45.67, true, 'Q', 4, 5, 6, 7, '8');
string u = String.Format("Hello {0} {1} {2} {3} {4} {5} {6} {7} {8}",
123, 45.67, true, 'Q', 4, 5, 6, 7, '8');
Console.WriteLine(u);
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Hello 123 45.67 True Q 4 5 6 7 8
Hello 123 45.67 True Q 4 5 6 7 8
2 ×Ö·û´®¸ñʽ
String.FormatºÍWriteLine¶¼×ñÊØÍ¬ÑùµÄ¸ñʽ»¯¹æÔò¡£¸ñʽ»¯µÄ¸ñʽÈçÏ£º"{ N [, M ][:
formatString ]}", arg1, ... argN£¬ÔÚÕâ¸ö¸ñʽÖУº
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3£© formatStringÊÇÁíÍâÒ»¸ö¿ÉÑ¡µÄ²ÎÊý£¬±íʾ¸ñʽ´úÂë
argN±íʾҪ¸ñʽ»¯µÄ±í´ïʽ£¬ºÍNÊǶÔÓ¦µÄ¡£
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Óï¾ä»á²úÉúͬÑùµÄÊä³ö:
public class TestConsoleApp
{
     public static void Main(string[] args)
     {
         Console.WriteLine(123);
         Console.WriteLine("{0}", 123);
 


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