C++ unsigned char 和 char 的转换示例(数组没试)

#include <iostream>

using namespace std;

int main() {
    unsigned char uch = 233;
    char ch = (char)uch;
    unsigned char nuch = (unsigned char)ch;
    cout << (int)uch << endl;
    cout << (int)ch << endl;
    cout << (int)nuch << endl;
    return 0;
}