printf And then I'm gonna use the same printf line after that to actually plop it into this formatted string.

我还是要用到,来把它转换成格式化字符串。

哈佛公开课 - 计算机科学课程节选

You could absolutely implement something more interesting and something even more animated like we saw on Wednesday or even earlier today, but it takes a little more than just a format string.

你绝对可以实施一些更有用的,和一些更愉快的东西，像我们周三或今天早些时候,看到的，但它不只是,格式化字符串。

哈佛公开课 - 计算机科学课程节选

It converts things into a string type.

它把东西转换为字符串的格式。

麻省理工公开课 - 计算机科学及编程导论课程节选

So the end result, because someone wrote this function years ago is that printf takes this thing, takes this thing, David plops David inside the middle of that formatted string and then renders the whole result.

基于这是某人多年以前写的程序,最终的结果是打印出这个，这个，在格式化字符串中间的,然后返回结果。

哈佛公开课 - 计算机科学课程节选

Glancing at the bottom, this is pretty arbitrary, but I chose to format my string as follows: % 1f so at the bottom here I'm printing out %.1f, which quick sanity check means print just one digit after the decimal place.

看下这个底部，这个是相当随意的，但我选择把我的字符串格式化成这样：,所以在这个底部我打印输出，提醒一下，这是一个只打印出,小数点后一位的方法。

哈佛公开课 - 计算机科学课程节选

And it boils down to modifying the format string with just a simple number.

它归结于是用一个简单的数字来,修改字符串的格式。

哈佛公开课 - 计算机科学课程节选

So this is a so-called format string.

这就是所谓的字符串格式。

哈佛公开课 - 计算机科学课程节选

So these format strings we saw earlier.

比如之前看到的格式化字符串。

哈佛公开课 - 计算机科学课程节选

It says, if I want to print out something I built in Cartesian form up here, says, again, I'm going to pass it in a pointer to the instance, that self thing, and then I'm going to return a string that I combine together with an open self and close paren, a comma in the middle, and getting the x-value and the y-value and converting them into strings before I put the whole thing together.

这不仅仅是个列表,它是怎么来做的？,流程是：如果我想要返回,一些已经在笛卡尔模式下建好的值，好，再说一遍，我首先要传入一个,指向实例的指针,也就是，然后我会返回一个,由开括号，闭括号,中间的一个逗号,以及提前转换为字符串格式的。

麻省理工公开课 - 计算机科学及编程导论课程节选