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在DEBUG环境下打印,在RELEASE环境下不打印
// MARK:- 自定义log
func ZJFLog<T>(message:T, file : String = #file, funcName : String = #function, lineNum : Int = #line ){
#if DEBUG
let fileName = (file as NSString).lastPathComponent
print("\(fileName):(\(lineNum))-\(message)")
#endif
}