将std :: string拆分为vector <string>的正确方法

Question

将字符串拆分为字符串向量的正确方法是什么。分隔符是空格或逗号。

Answer 1

vector<string> split(string str, string token){&nbsp; &nbsp; vector<string>result;&nbsp; &nbsp; while(str.size()){&nbsp; &nbsp; &nbsp; &nbsp; int index = str.find(token);&nbsp; &nbsp; &nbsp; &nbsp; if(index!=string::npos){&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; result.push_back(str.substr(0,index));&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; str = str.substr(index+token.size());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if(str.size()==0)result.push_back(str);&nbsp; &nbsp; &nbsp; &nbsp; }else{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; result.push_back(str);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; str = "";&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; return result;}split（“ 1,2,3”，“，”）==> [“ 1”，“ 2”，“ 3”]split（“ 1,2，”，“，”）==> [“ 1”，“ 2”，“”]split（“ 1token2token3”，“ token”）==> [“ 1”，“ 2”，“ 3”]