<p>#include<br /> 使用命名空间标准;<br /> 虚无 print_utf8（无符...

#include
使用命名空间标准;
虚无 print_utf8（无符号 int 代码点）
{
如果（码点 <= 0x7F）
{
cout << static_cast（代码点）;
}
否则如果（码点 <= 0x7FF）
{
考特<< static_cast（0xC0 |（（代码点>> 6） & 0x1F））;
考特<< static_cast（0x80 |（codepoint & 0x3F））;
}
否则如果（码点 <= 0xFFFF）
{
考特<< static_cast（0xE0 |（（代码点>> 12）& 0x0F））;
考特<< static_cast（0x80 |（（代码点>> 6） & 0x3F））;
考特<< static_cast（0x80 |（codepoint & 0x3F））;
}
}
int main（）
{
长长总和 = 0;
cont unsigned int start = 0x4E00;
cont unsigned int end = 0x9FFF;
对于（无符号整数 ch = 开始;ch <= 结束;ch++）
{
total++;
print_utf8（ch）;
}
cout << “\n\n全部Unicode标准汉字输出完毕，总数量：” << total << endl;
返回0;
} <iostream> <char>`` <char> <char>`` <char> <char>`` <char>#include <iostream> using namespace std; void print_utf8(unsigned int codepoint) { if (codepoint <= 0x7F) { cout << static_cast<char>(codepoint); } else if (codepoint <= 0x7FF) { cout << static_cast<char>(0xC0 | ((codepoint >> 6) & 0x1F)); cout << static_cast<char>(0x80 | (codepoint & 0x3F)); } else if (codepoint <= 0xFFFF) { cout << static_cast<char>(0xE0 | ((codepoint >> 12) & 0x0F)); cout << static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F)); cout << static_cast<char>(0x80 | (codepoint & 0x3F)); } } int main() { long long total = 0; const unsigned int start = 0x4E00; const unsigned int end = 0x9FFF; for (unsigned int ch = start; ch <= end; ch++) { total++; print_utf8(ch); } cout << "\n\n全部Unicode标准汉字输出完毕，总数量：" << total << endl; return 0; }