Mongoose筆記

Mongoose筆記

十一月 09, 2017

MONGOOSE

連接

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var mongoose = require('mongoose');
var options = {
  useMongoClient: true,
  autoIndex: false, // Don't build indexes
  reconnectTries: Number.MAX_VALUE, // Never stop trying to reconnect
  reconnectInterval: 500, // Reconnect every 500ms
  poolSize: 10, // Maintain up to 10 socket connections
  // If not connected, return errors immediately rather than waiting for reconnect
  bufferMaxEntries: 0
};

mongoose.connect('mongodb://帳號:密碼@localhost:27017/資料庫名稱',options)
mongoose.Promise = global.Promise; //新版的一些問題

Schema設定

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//設定集合內容與屬性
var userDataSchema = new Schema({
  title: {type: String, required: true},
  content: String,
  author: String
},
  {collection: 'user-data'}  //設定集合名稱 預設是 UserData加S
);

var UserData = mongoose.model('UserData', userDataSchema); //以mongoose.model方式來宣告並使用

mongoose 搜尋 新增 修改 刪除

搜尋

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UserData.find()
  .then(function(doc){
    //do something
    })

新增

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var item = {
  titile : 'newtitle',
  content: 'someContent',
  author: 'someName'
}
var newData = new UserData(item);
newData.save();

修改

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var id = req.body.id;

UserData.findById(id,function(err,doc){
    if(err){
      console.log('error, no entry found');
    }
    doc.content = req.body.content;
    doc.title = req.body.title;
    doc.author = req.body.author;
    doc.save();
  });

刪除

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var id -req.body.id;

UserData.findByIdAndRemove(id),exec();

參閱

MONGOSE文件