Persevere - REST JSON 数据库，JavaScript 的分布式计算和持久对象映射框架。它具有以下功能特性：    <br />    <ul>     <li>Create, read, update, and delete access to persistent data through a standard JSON <a href="/misc/goto?guid=4958191199706661666" rel="nofollow">HTTP/REST</a> web interface </li>     <li>Dynamic object persistence - expando objects, arrays, and JavaScript functions can be stored, for extensive JavaScript persistence support </li>     <li>Remote execution of JavaScript methods on the server through <a href="/misc/goto?guid=4959499358181798684" rel="nofollow">JSON-RPC</a> for a consistent client/server language platform </li>     <li>Flexible and fast indexed query capability through JSONQuery </li>     <li><a href="/misc/goto?guid=4959499405984632453" rel="nofollow">Comet</a>-based data monitoring capabilities through REST Channels with <a href="/misc/goto?guid=4959499406056693017" rel="nofollow">Bayeux</a> transport plugin/negotiation support </li>     <li>Data-centric capability-based object level security with user management, Persevere is designed to be accessed securely through Ajax with public-facing sites </li>     <li>Comprehensive referencing capabilities using <a href="/misc/goto?guid=4959499406138928505" rel="nofollow">JSON referencing</a>, including circular, multiple, lazy, non-lazy, cross-data source, and cross-site referencing for a wide variety of object structures </li>     <li>Data integrity and validation through <a href="/misc/goto?guid=4959499406212093670" rel="nofollow">JSON Schema</a> </li>     <li><a href="/misc/goto?guid=4959499406299964279" rel="nofollow">Class-based data hierarchy</a> - typed objects can have methods, inheritance, class-based querying </li>     <li>Pluggable data source architectures - SQL tables, XML files, remote web services can be used as data stores </li>     <li>Service discovery through Service Mapping Description</li>    </ul>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1324204877155" target="_blank">http://www.open-open.com/lib/view/home/1324204877155</a></p>