Swift开启打印信息

func Sprint(message: N, fileName: String = #file, methodName: String = #function, lineNumber: Int = #line){
    
    #if DEBUGSWIFT // 若是Debug模式下，则打印
    
    print("\(fileName as NSString)\n方法:\(methodName)\n行号:\(lineNumber)\n打印信息\(message)");
    #endif
}

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如上可看到不错的日志显示