【字符串操作】截取字符串

#include <stdio.h>
#include <iostream>
#include <regex>
using namespace std;

void main()
{
string strsrc = "http://192.168.1.108:88/my/test/func?";

int pos = strsrc.rfind("/");
if (string::npos != pos)
{
string strfunc = strsrc.substr(pos+1).data();
strfunc = strfunc.erase(strfunc.length()-1, 1);<span style="white-space:pre">	</span>//FUNC
string strurl = strsrc.substr(0, pos);
}

int poshttp = strsrc.find("http://");
int posport = strsrc.rfind(":");
if (string::npos != poshttp && string::npos != posport && (posport - poshttp) > strlen("http://"))
{
string strip = strsrc.substr(poshttp+7, posport-poshttp-7);	//获取ip

string strport = strsrc.substr(posport+1).data();
int posported = strport.find("/");
if (string::npos != posported)
{
strport = strport.substr(0, posported);	//获得端口
int port;
sscanf(strport.data(), "%d", &port);	//端口转化为int
//scanf获取屏幕输出源
int abc =0 ;
abc++;
}
}
return;

}