cocos2d-x 中英文字符串截取

#pragma mark 获取字符串长度

int RoutesController::strLength(const std::string &str)

{

if (typeid(str) == typeid(std::string) && str.length()> 0) {

intlen = str.length();

std::vector <<spanclass="s4">std::string> dump;

int i= 0;

while(i < len) {

if (~(str.at(i) >> 8) ==0) {

dump.push_back(str.substr(i,3));

i = i +3;

} else {

dump.push_back(str.substr(i,1));

i = i +1;

}

}

return dump.size();

} else {

printf("str is notstringn");

return 0;

}

}