C++ 字符串分割

#include #include #include #include #pragma hdrstop #pragma argsused using namespace std; typedef basic_string::size_type S_T; static const S_T npos = -1; vector split( const string & src, string delimit, string null_subst = "" ) { if ( src.empty() || delimit.empty() ) throw "split: empty string\0"; vector v; S_T deli_len = delimit.size(); long index = npos, last_search_position = 0; while ( (index = src.find( delimit, last_search_position ) ) != npos ) { if ( index == last_search_position ) v.push_back( null_subst ); else v.push_back( src.substr( last_search_position, index - last_search_position ) ); last_search_position = index + deli_len; } string last_one = src.substr( last_search_position ); v.push_back( last_one.empty() ? null_subst : last_one ); return(v); } vector splitUnicodeString( String & src, String delimit ) { vector resultVec; vector strVec = split( src.c_str(), delimit.c_str() ); for ( int i = 0; i < strVec.size(); i++ ) { String str( strVec[i].c_str() ); resultVec.push_back( str ); } return(resultVec); } int _tmain( int argc, _TCHAR* argv[] ) { String s = "a,bcd,efg"; String del = ","; vector strVec = splitUnicodeString( s, del ); for ( int i = 0; i < strVec.size(); i++ ) { ShowMessage( strVec[i] ); } return(0); }