如何在c ++中将字符串转换为unsigned char数组 [英] How to convert a string to unsigned char array in c++

问题描述

string temp;
temp = line.substr(0, pos);

我需要将字符串temp转换为unsigned char数组。有人可以告诉我这是怎么做的吗？我尝试了下面链接中提到的方法，但是没有工作。

I need to convert the string temp to an unsigned char array. Could someone please tell me how this can be done? I tried the methods mentioned in the below link but they didn't work.

How to convert a string literal to Unsigned char in visual c++

unsigned char* val=new[temp.size() + 1](); //Error: Expected a type.
copy(temp.begin(), temp.end(), val);

推荐答案

char缓冲区，你不应该这样做，但这是堆栈溢出，我们必须回答。

It is ugly to put a string in a raw unsigned char buffer and you should not do that, but this is stack overflow and we have to answer.

unsigned char *val=new unsigned char[temp.length()+1];
strcpy((char *)val,temp.c_str());

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