循环中的Cout不会按定义按字符打印char [英] Cout in loop doesn't print char by char as defined

问题描述

我最近开始在大学学习C ++，并决定在家里进步一点。我有个想法，就是编写一个程序，给定一段文本，然后逐个字符地打印出这样的文本（在这段视频中 SUPER.HOT聊天）。

I've recently started learning C++ at university and decided to advance a bit at home. I had the idea of making a program that, given a piece of text, would print out such text character by character with a small delay in-between (as seen in this video SUPER.HOT chat).

我尝试使用一个简单的过程来重新创建它：

I tried to recreate it using a simple procedure:

void typer(string text){

for (int i = 0; i < text.length(); i++){
    cout << text[i];
    usleep(100000);
}

但是当usleep（）设置为103900以下时，它将开始打印一次两个字符。我的意图是一次只打印1张，但是很快。

But when usleep() is set under 103900, it'll start printing out two characters at a time. My intention is to print only 1 at a time but very quickly.

有什么建议吗？ ：D

Any suggestions? :D

推荐答案

您需要刷新流，否则它将被缓存

You need to flush the stream, otherwise it will be cached

cout.flush();

http://www.cplusplus.com/reference/ostream/basic_ostream/flush/

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