package server import ( "net/url" "regexp" "strings" "git.pyer.club/kingecg/gologger" ) type UrlParamMatcher struct { Params []string Reg *regexp.Regexp } // 解析URL函数 // 参数: // // u:待解析的URL字符串 // // 返回值: // // 解析后的UrlParamMatcher结构体 func ParseUrl(u string) UrlParamMatcher { ret := UrlParamMatcher{} uo, _ := url.Parse(u) // 判断路径是否非空且非根路径 if uo.Path != "" && uo.Path != "/" { // 将路径按斜杠分割成切片 us := strings.Split(uo.Path, "/") for index, v := range us { // 判断是否以冒号开头 if strings.HasPrefix(v, ":") { // 去除冒号前缀 param := strings.TrimPrefix(v, ":") // 将参数添加到Params切片中 ret.Params = append(ret.Params, param) // 将参数名作为正则表达式的命名捕获组 us[index] = "(?P<" + param + ">.*)" } } // 如果存在参数,则将路径编译为正则表达式 if len(ret.Params) > 0 { ret.Reg, _ = regexp.Compile("^" + strings.Join(us, "/") + "$") } } return ret } func MatchUrlParam(u string, matcher *UrlParamMatcher) (map[string]string, bool) { l := gologger.GetLogger("URLMatcher") l.Debug("Match for ", u) if matcher.Reg != nil { uo, _ := url.Parse(u) if uo.Path == "" || uo.Path == "/" { return nil, false } matches := matcher.Reg.FindStringSubmatch(uo.Path) if len(matches) > 0 { params := make(map[string]string) for i, name := range matcher.Params { params[name] = matches[i+1] } return params, true } } return nil, false }