refactor(data): 优化数据读取和删除逻辑

controller/dataController.go

@@ -12,6 +12,7 @@ import (
 )
 
 func ReadDataHandler(c *gin.Context) {
+	//解析输入数据
 	input := struct {
 		Token string `form:"token" binding:"required"`
 	}{}
@@ -20,12 +21,11 @@ func ReadDataHandler(c *gin.Context) {
 		return
 	}
 
-	lLen := global.RDB.LLen(global.RCtx, fmt.Sprintf("list:%s", input.Token))
-	if lLen.Val() == 0 {
+	retData := global.RDB.LPop(global.RCtx, fmt.Sprintf("list:%s", input.Token)).Val()
+	if retData == "null" {
 		c.JSON(http.StatusOK, gin.H{"result": "数据库没有数据"})
 		return
 	}
-	retData := global.RDB.BLPop(global.RCtx, 0, fmt.Sprintf("list:%s", input.Token)).Val()[1]
 
 	c.String(http.StatusOK, retData)
 }