学步园

#include <iostream>
#include <string>
#include <vector>
using namespace std;

 void str_split(const string& input, const string& delimiters,
		 vector<string>& results)
 {
	 string::size_type pos;
	 size_t size=input.size();
	 for(size_t i=0;i<size;++i)
	 {
		 pos=input.find(delimiters,i); //从第i个位置查找delimiters分割符第一次出现的位置；
		 if(pos<size)
		 {
			 string s=input.substr(i,pos-i);//把从i开始，长度为pos-i的元素拷贝给s;
			 results.push_back(s);
			 i=pos;
		 }
	 }

 }

 int main()
 {
	 string str;
	 cout<<"Please input str:"<<endl;
	 getline(cin,str);
	 string delimiters;
	 cout<<"Please input pattern"<<endl;
	 getline(cin,delimiters);
	 vector<string> results;
	 str_split(str,delimiters,results);

	 cout<<"The result:"<<endl;
	 for(size_t i=0;i<results.size();++i)
	 {
		 cout<<results[i]<<endl;
	 }
	 cin.get();

	 return 0;
 }