添加后台连接用的后端

shared/db/User.ts

@@ -87,6 +87,18 @@ export default class User extends BaseModel {
     const user = await UserModel.findOne({ uid }).select('uid tel').lean(lean);
     return user;
   }
+
+
+  public static async findUserByField(field: string, value?: Array<number|string>, lean = true) {
+    let searchObj = {};
+    if(field != 'all') {
+      searchObj[field] = {
+        $in: value
+      };
+    }
+    const user = await UserModel.find(searchObj).select('uid tel username').lean(lean);
+    return user;
+  }
 }
 
 export const UserModel = getModelForClass(User);