<p style="text-align: center;"><img alt="" src="https://simg.open-open.com/show/8b6dbbafd94e5f9bf087b7a0b31ef2d4.jpg" /></p>    <p> </p>    <p>Mongoose是MongoDB的一个对象模型工具，既类似ORM，让node.js操作MongoDB更加方便。</p>    <p>官方例子：</p>    <p>// 引入 mongoose 这个模块</p>    <p>var mongoose = require('mongoose');</p>    <p>// 连接对应的数据库：mongodb://localhost/test</p>    <p>mongoose.connect('mongodb://localhost/test');</p>    <p>// 创建了一个名为 Cat 的 model，mongoose 会将名词变为复数，在这里，collection 的名字会是 `cats`。</p>    <p>// model定义: 有一个 String 类型的 name</p>    <p>var Cat = mongoose.model('Cat', {name: String});</p>    <p>var kitty = new Cat({ name: 'Zildjian'});</p>    <p>// 调用 .save 方法后，mongoose 会去你的 mongodb 中的 test 数据库里，存入一条记录。</p>    <p>kitty.save(function (err) {</p>    <p>  if (err) {</p>    <p>    console.log(err);</p>    <p>  } else {</p>    <p>    console.log('meow');</p>    <p>  }</p>    <p>});</p>    <p> </p>    <h2>更新日志</h2>    <ul>     <li>fix(document): only invalidate in subdoc if using update validators #4681</li>     <li>fix(document): don't create subdocs when excluded in projection #4669</li>     <li>fix(document): ensure single embedded schema validator runs with correct context #4663</li>     <li>fix(document): make sure to depopulate top level for sharding #4658</li>     <li>fix(connection): throw more helpful error when .model() called incorrectly #4652</li>     <li>fix(populate): throw more descriptive error when trying to populate a virtual that doesn't have proper options #4602</li>     <li>fix(document): ensure subtype gets set properly when saving with a buffer id #4506</li>     <li>fix(query): handle setDefaultsOnInsert with defaults on doc arrays #4456</li>     <li>fix(drivers): make debug output better by calling toBSON() #4356</li>    </ul>    <h2>下载</h2>    <ul>     <li><a href="/misc/goto?guid=4958995264402075013" rel="nofollow"><strong>Source code</strong> (zip)</a></li>     <li><a href="/misc/goto?guid=4958995264513254000" rel="nofollow"><strong>Source code</strong> (tar.gz)</a></li>    </ul>    <p>本站原创，转载时保留以下信息：<br /> 本文转自：深度开源（open-open.com）<br /> 原文地址：<a href="http://www.open-open.com/news/view/6cba364e">http://www.open-open.com/news/view/6cba364e</a></p>