减少正则表达式的编译,提高运行效率

models/video.go

@@ -15,9 +15,14 @@ import (
 	"github.com/spf13/viper"
 )
 
+var (
+	imageRegexp = regexp.MustCompile(`image.gameuiux.cn`)
+	urlRegexp   = regexp.MustCompile(`^https?://image.gameuiux.cn/`)
+)
+
 func GetVideoM3U8(content string) (playinfo *vod20170321.GetPlayInfoResponseBody, err error) {
-	if len(regexp.MustCompile(`image.gameuiux.cn`).FindStringSubmatch(content)) > 0 {
-		key := regexp.MustCompile(`^https?://image.gameuiux.cn/`).ReplaceAllString(content, "")
+	if len(imageRegexp.FindStringSubmatch(content)) > 0 {
+		key := urlRegexp.ReplaceAllString(content, "")
 		// 连接点播服务的OSS
 		client, _err := vod20170321.NewClient(&openapi.Config{
 			AccessKeyId:     tea.String(viper.GetString("video.accessID")),