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  • Mongodb数据操作基础

    var mongodb = require('mongodb');
    var server = new mongodb.Server('localhost', 27017, {auto_reconnect: true});
    var db = new mongodb.Db('exampleDb', server);
    // open database connection
    db.open(function(err, db) {
      if(!err) {
         // access or create widgets collection
         db.collection('widgets', function(err, collection) {
           // remove all widgets documents
                  collection.remove(null,{safe : true}, function(err, result) {
              if (!err) {
                console.log('result of remove ' + result);
                // create two records
                var widget1 = {title : 'First Great widget',
                             desc : 'greatest widget of all',
                             price : 14.99};
                var widget2 = {title : 'Second Great widget',
                             desc : 'second greatest widget of all',
                             price : 29.99};
                collection.insert(widget1);
                collection.insert(widget2, {safe : true}, function(err, result) {
                   if(err) {
                      console.log(err);
                   } else {
                      console.log(result);
                      //close database
                      db.close();
                   }
                });
              }
           });
         });
      }
    });
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  • 原文地址:https://www.cnblogs.com/wangwenfei/p/mongodb.html
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