mongoose 的使用

 const mongoose = require('mongoose');
      mongoose
        .connect('mongodb://admin:sss.com@101.227.109.7:27017/GIS?authSource=admin', {
          useUnifiedTopology: true,
          useNewUrlParser: true,
        })
        .then(() => {
          console.log('连接成功');
        })
        .catch((e: any) => {
          console.log('连接错误：', e);
        });
      const Schema = mongoose.Schema;
      const grid1080_1920 = new Schema({
        _id: String,
        airport: String,
        camera_direction: String,
        point_data: Object,
        index_data: Object,
        gis_data: Object,
        camera_id: String,
      });

      const Blog = mongoose.model('grid1080_1920', grid1080_1920);

      let a = () => {
        return new Promise(function (resolve, reject) {
          Blog.find().then((data: any) => {
            resolve(data);
          });
        });
      };
      let sth = await a();
      mongoose.connection.close();
      ctx.body = sth;