C++用ofstream打开文件错误?

Question

我的代码是这样写的
ofstream ofile;
ofile.open("e:\CodeFile2.txt");
我的e盘里面给是有这个文件的.
但是每当运行到这里的时候就会包这样的错误

然后中段之后是这样子的:

Answer 1

Should write one more

Answer 2

In C/C++, it is an escape character, and the path must be double-written to represent the slash in the path.