一点都不复杂，按照url格式分析就可以了。
代码语言：javascript复制bool httpclient::urlparse(std::string urlin, urlitem & out) {
bool ret = false;
int i = 0;
if (_stricmp(urlin.substr(0, 4).c_str(), "http") != 0)
return false;
int lastpos = 0;
int pos = 0;
std::string childs[10];
std::string temp;
int idx = 0;
out.url = urlin;
// 查找‘?’
out.fullpath = urlin;
pos = urlin.find('?', 0);
if (pos >= 0) {
out.fullpath = urlin.substr(0, pos);
out.query = urlin.substr(pos 1);
}
// 分析query以 & 分割参数对，以=分割 k-v
lastpos = 0;
for (i = 0; i < out.query.length(); i ) {
if (out.query[i] == '&') {
temp = out.query.substr(lastpos, i - lastpos);
pos = temp.find('=', 0);
if (pos >= 0) {
out.param[temp.substr(0, pos)] = temp.substr(pos 1);
}
lastpos = i 1;
}
}
temp = out.query.substr(lastpos);
pos = temp.find('=', 0);
if (pos >= 0) {
out.param[temp.substr(0, pos)] = temp.substr(pos 1);
}
lastpos = 0;
idx = 0;
for (i = 0; i < out.fullpath.length(); i ) {
if (out.fullpath[i] == ':') {
childs[idx] = out.fullpath.substr(lastpos, i - lastpos);
lastpos = i 1;
idx ;
break;
}
}
out.prot = childs[0];
out.port = 80;
std::string fullpath = out.fullpath.substr(out.prot.length() 3);
pos = fullpath.find('/');
if (pos >= 0) {
out.host = fullpath.substr(0, pos);
out.path = fullpath.substr(pos);
}else if (pos = fullpath.find('\') >= 0) {
out.host = fullpath.substr(0, pos);
out.path = fullpath.substr(pos);
}
pos = out.host.find(':');
if (pos >= 0) {
out.port = atoi(out.host.substr(pos 1).c_str());
out.host = out.host.substr(0, pos);
}
pos = out.path.rfind('/');
if (pos >= 0) {
out.file = out.path.substr(pos 1);
}else if (pos = out.path.rfind('\') >= 0) {
out.file = out.path.substr(pos 1);
}
struct hostent *hptr;
char **pptr;
if ((hptr = gethostbyname(out.host.c_str())) != nullptr) {
if (hptr->h_name != nullptr)
out.officalhost = hptr->h_name;
for (pptr = hptr->h_aliases; *pptr != NULL; pptr )
out.aliases.push_back(*pptr);
switch (hptr->h_addrtype){
case AF_INET:
//case AF_INET6:
pptr = hptr->h_addr_list;
for (; *pptr != NULL; pptr ) {
out.ip.push_back(inet_ntoa(*((in_addr *)*pptr)));
}
break;
default:
break;
}
}
return ret;
}结果如图：
val.jpg
