网络连接中有中文转码
NSString * encodingString = [string stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSString *msg = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
网络连接中有中文转码
NSString * encodingString = [string stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSString *msg = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];