JSON.simple

     <p>JSON.simple是一个简单的Java类库，用于解析和生成JSON文本。不依赖于其它类库，性能高。</p>    <ul>     <li>Full compliance with <a href="/misc/goto?guid=4959499401825879130" rel="nofollow">JSON specification</a> (RFC4627) and reliable (see <a href="/misc/goto?guid=4959499401915947562">compliance testing</a>) </li>    </ul>    <ul>     <li>Provides multiple functionalities such as encode, decode/parse and escape JSON text while keeping the library lightweight </li>    </ul>    <ul>     <li>Flexible, simple and easy to use by reusing Map and List interfaces </li>    </ul>    <ul>     <li>Supports streaming output of JSON text </li>    </ul>    <ul>     <li>Stoppable SAX-like interface for streaming input of JSON text (learn <a href="/misc/goto?guid=4959499401986005624" rel="nofollow">more</a>) </li>    </ul>    <ul>     <li>Heap based parser </li>    </ul>    <ul>     <li>High performance (see <a href="/misc/goto?guid=4959499402072930935">performance testing</a>) </li>    </ul>    <ul>     <li>No dependency on external libraries </li>    </ul>    <ul>     <li>Both of the source code and the binary are JDK1.2 compatible </li>    </ul>    <p>示例代码：</p>    <pre class="brush:java; toolbar: true; auto-links: false;">System.out.println("=======decode=======");                   String s="[0,{\"1\":{\"2\":{\"3\":{\"4\":[5,{\"6\":7}]}}}}]";   Object obj=JSONValue.parse(s);   JSONArray array=(JSONArray)obj;   System.out.println("======the 2nd element of array======");   System.out.println(array.get(1));   System.out.println();                   JSONObject obj2=(JSONObject)array.get(1);   System.out.println("======field \"1\"==========");   System.out.println(obj2.get("1"));                       s="{}";   obj=JSONValue.parse(s);   System.out.println(obj);                   s="[5,]";   obj=JSONValue.parse(s);   System.out.println(obj);                   s="[5,,2]";   obj=JSONValue.parse(s);   System.out.println(obj);</pre>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1324198061530" target="_blank">http://www.open-open.com/lib/view/home/1324198061530</a></p>    <p></p>