fix 删除爬虫的问题

backend/services/msg_handler/msg_spider.go

@@ -0,0 +1,24 @@
+package msg_handler
+
+import (
+	"crawlab/model"
+	"crawlab/utils"
+	"github.com/globalsign/mgo/bson"
+	"github.com/spf13/viper"
+	"path/filepath"
+)
+
+type Spider struct {
+	SpiderId string
+}
+
+func (s *Spider) Handle() error {
+	// 移除本地的爬虫目录
+	spider, err := model.GetSpider(bson.ObjectIdHex(s.SpiderId))
+	if err != nil {
+		return err
+	}
+	path := filepath.Join(viper.GetString("spider.path"), spider.Name)
+	utils.RemoveFiles(path)
+	return nil
+}