笔记

MongoDB 保存二进制文件

MongoDB, 笔记

MongoDB 保存二进制文件

  • 定义
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'use strict';

var async = require('async');
var mongodb = require('./mongodb');

var Schema = mongodb.mongoose.Schema;

var playersSchema = new Schema({
  id: { type: String, unique: true },
  binData: { type: Buffer}, // 存档二进制文件数据
}, { versionKey: false });

// 创建模块
module.exports = mongodb.mongo_connection.model('players', playersSchema, 'players');
  • 保存
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exports.upload = async function(req, res) {
  log.info(' upload begin');
  try{
    if(!req.body.id) return res.status(200).send({});
    var id = req.body.id;
    var player = await players.findOne({id: id});
    if(!player) return res.status(200).send({});
    // 读取文件
    var fileName = req.files[0].path;
    var data=fs.readFileSync(fileName);
    player.binData = data;
    await player.save();
    return res.status(200).send({});
  }catch (exp){
    log.error(' upload error:' + exp);
    return res.status(200).send({});
  }
};