std::string字符串分割

std::vector<std::string> split(std::string str, std::string pat)
{
std::vector<std::string> bufStr;

while (true)
{
int index = str.find(pat);

std::string subStr = str.substr(0, index);
if (!subStr.empty())
bufStr.push_back(subStr);

str.erase(0, index + pat.size());

if (index == -1)
break;
}
return bufStr;
}

std::vector<std::string> plits = split("192.168.0.1", ".");
for (int i = 0; i < plits.size(); i++)
{
printf("###%s###", plits.at(i).c_str());
}