if后的语句没加花括号。那三个交换数的语句构成一个代码块。										
					
	
	
	
	      
				
											10楼表打击我么……
我的那个是因为格式错了所以才出错误的吗??										
					
	
	
	
	       2011-09-06 00:00
	    2011-09-06 00:00
   2011-09-06 08:37
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   2011-09-06 08:38
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 2011-09-06 08:48
	    2011-09-06 08:48
   2011-09-06 18:32
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   2011-09-06 19:21
	    2011-09-06 19:21
   2011-09-06 21:41
	    2011-09-06 21:41
   2011-09-07 11:23
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   2011-09-07 11:24
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   2011-09-07 11:44
	    2011-09-07 11:44