Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

skd/service/versionser.go

@@ -0,0 +1,33 @@
+package service
+
+import (
+	"91porn-server/common"
+	"91porn-server/common/crypt"
+)
+
+func GetTFUrl(tf string) string {
+	if tf != "" {
+		type tfStc struct {
+			Url  string `json:"url"`
+			Name string `json:"name"`
+		}
+		var tfArr []tfStc
+		_ = crypt.JSON2Struct(tf, &tfArr)
+		if len(tfArr) == 0 {
+			return tf
+		}
+		weight := 100 / len(tfArr)
+		chioce := make([]common.Choice, len(tfArr))
+		for i := range tfArr {
+			chioce[i] = common.Choice{
+				Weight: weight,
+				Item:   tfArr[i].Url,
+			}
+		}
+		ch, _ := common.WeightedChoice(chioce)
+		if v, ok := ch.Item.(string); ok {
+			return v
+		}
+	}
+	return tf
+}