if(requestDictionary != nil)

{

//添加参数，将参数拼接在url后面

NSMutableString *paramsString = [NSMutableString string];

NSArray *allkeys = [requestDictionary allKeys];

for (NSString *key in allkeys) {

NSString *value = [requestDictionary objectForKey:key];

[paramsString appendFormat:@"&%@=%@", key, value];

}

NSLog(@"完整URL=%@?%@",url,paramsString);

}