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			@@ -81,6 +81,7 @@ public class WxMpCardServiceImpl implements WxMpCardService { | 
		
		
	
		
			
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			    signParams[optionalSignParam.length + 1] = nonceStr; | 
		
		
	
		
			
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			    signParams[optionalSignParam.length + 2] = cardApiTicket; | 
		
		
	
		
			
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			    StringBuilder sb = new StringBuilder(); | 
		
		
	
		
			
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			    Arrays.sort(signParams); | 
		
		
	
		
			
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			    for (String a : signParams) { | 
		
		
	
		
			
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			      sb.append(a); | 
		
		
	
		
			
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			    } | 
		
		
	
	
		
			
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