Posted on 2006-09-28 10:39 
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								#-------------------------------------------
						
				
		
		
				
						
								
										 # 获得最小和最大值之间随机数,位数不足补零
 #-------------------------------------------
 
								Function 
								getRandNumber 
								(
								$fMin
								, 
								$fMax
						
						
								) { 
  
								srand
								((double)
								microtime
								()*
								1000000
						
						
								);
  
								$fLen 
								= 
								"%0"
								.
								strlen
								(
								$fMax
								).
								"d"
						
						
								;
  Return 
								sprintf
								(
								$fLen
								, 
								rand
								(
								$fMin
								,
								$fMax
						
						
								));
 }