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				@@ -17,7 +17,10 @@ 
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				 // url编码 
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				 + (NSString *)encodeUrlStringWithString:(NSString *)urlString { 
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				-    NSString *encodedString  = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]]; 
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				+    urlString = [urlString stringByRemovingPercentEncoding]; 
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				+    NSMutableCharacterSet *charset = [[NSCharacterSet URLQueryAllowedCharacterSet] mutableCopy]; 
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				+    [charset addCharactersInString:@"#"]; // 需要#不被转义 
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				+    NSString *encodedString  = [urlString stringByAddingPercentEncodingWithAllowedCharacters:charset]; 
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				     return encodedString; 
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				 } 
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