一些JSON数据格式 来自：http://json.org/example.html

This page shows examples of messages formatted using JSON (JavaScript Object Notation).

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{    "glossary": {        "title": "example glossary","GlossDiv": {            "title": "S","GlossList": {                "GlossEntry": {                    "ID": "SGML","SortAs": "SGML","GlossTerm": "Standard Generalized Markup Language","Acronym": "SGML","Abbrev": "ISO 8879:1986","GlossDef": {                        "para": "A meta-markup language, used to create markup languages such as DocBook.","GlossSeeAlso": ["GML", "XML"]                    },"GlossSee": "markup"                }            }        }    }}

The same text expressed as XML:

<!DOCTYPE glossary PUBLIC "-//OASIS//DTD DocBook V3.1//EN"> <glossary><title>example glossary</title>  <GlossDiv><title>S</title>   <GlossList>    <GlossEntry ID="SGML" SortAs="SGML">     <GlossTerm>Standard Generalized Markup Language</GlossTerm>     <Acronym>SGML</Acronym>     <Abbrev>ISO 8879:1986</Abbrev>     <GlossDef>      <para>A meta-markup language, used to create markuplanguages such as DocBook.</para>      <GlossSeeAlso OtherTerm="GML">      <GlossSeeAlso OtherTerm="XML">     </GlossDef>     <GlossSee OtherTerm="markup">    </GlossEntry>   </GlossList>  </GlossDiv> </glossary>

---

{"menu": {  "id": "file",  "value": "File",  "popup": {    "menuitem": [      {"value": "New", "onclick": "CreateNewDoc()"},      {"value": "Open", "onclick": "OpenDoc()"},      {"value": "Close", "onclick": "CloseDoc()"}    ]  }}}

The same text expressed as XML:

<menu id="file" value="File">  <popup>    <menuitem value="New" onclick="CreateNewDoc()" />    <menuitem value="Open" onclick="OpenDoc()" />    <menuitem value="Close" onclick="CloseDoc()" />  </popup></menu>

 

///////////////////////////////////////////////////////////////////////////////////////////////////////////

代码表现：

String jsonStr = '{"menu": {' +
            '"id": "file",' +
            '"value": "File",' +
            '"popup": {' +
              '"menuitem": [' +
                '{"value": "New", "onclick": "CreateNewDoc()"},' +
                '{"value": "Open", "onclick": "OpenDoc()"},' +
                '{"value": "Close", "onclick": "CloseDoc()"}' +
              ']' +
            '}' +
          '}}';

JSONObject jsonObj = new JSONObject(jsonStr);

// grabbing the menu object
JSONObject menu = jsonObj.getJSONObject("menu");

// these 2 are strings
String id = menu.getString("id");
String value = menu.getString("value");

// the popop is another JSON object
JSONObject popup = menu.getJSONObject("popup");

// using JSONArray to grab the menuitems from under popop
JSONArray menuitemArr = popupObject.getJSONArray("menuitem"); 

// lets loop through the JSONArray and get all the items
for (int i =0; i < menuitemArr.length(); i++) {
    // printing the values to the logcat
    Log.v(menuitemArr.getJSONObject(i).getString("value").toString());
    Log.v(menuitemArr.getJSONObject(i).getString("onclick").toString());
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 

---

{"widget": {    "debug": "on",    "window": {        "title": "Sample Konfabulator Widget",        "name": "main_window",        "width": 500,        "height": 500    },    "image": {         "src": "Images/Sun.png",        "name": "sun1",        "hOffset": 250,        "vOffset": 250,        "alignment": "center"    },    "text": {        "data": "Click Here",        "size": 36,        "style": "bold",        "name": "text1",        "hOffset": 250,        "vOffset": 100,        "alignment": "center",        "onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"    }}}    

The same text expressed as XML:

<widget>    <debug>on</debug>    <window title="Sample Konfabulator Widget">        <name>main_window</name>        <width>500</width>        <height>500</height>    </window>    <image src="Images/Sun.png" name="sun1">        <hOffset>250</hOffset>        <vOffset>250</vOffset>        <alignment>center</alignment>    </image>    <text data="Click Here" size="36" style="bold">        <name>text1</name>        <hOffset>250</hOffset>        <vOffset>100</vOffset>        <alignment>center</alignment>        <onMouseUp>            sun1.opacity = (sun1.opacity / 100) * 90;        </onMouseUp>    </text></widget>

---

{"web-app": {  "servlet": [       {      "servlet-name": "cofaxCDS",      "servlet-class": "org.cofax.cds.CDSServlet",      "init-param": {        "configGlossary:installationAt": "Philadelphia, PA",        "configGlossary:adminEmail": "[e-mail]",        "configGlossary:poweredBy": "Cofax",        "configGlossary:poweredByIcon": "/images/cofax.gif",        "configGlossary:staticPath": "/content/static",        "templateProcessorClass": "org.cofax.WysiwygTemplate",        "templateLoaderClass": "org.cofax.FilesTemplateLoader",        "templatePath": "templates",        "templateOverridePath": "",        "defaultListTemplate": "listTemplate.htm",        "defaultFileTemplate": "articleTemplate.htm",        "useJSP": false,        "jspListTemplate": "listTemplate.jsp",        "jspFileTemplate": "articleTemplate.jsp",        "cachePackageTagsTrack": 200,        "cachePackageTagsStore": 200,        "cachePackageTagsRefresh": 60,        "cacheTemplatesTrack": 100,        "cacheTemplatesStore": 50,        "cacheTemplatesRefresh": 15,        "cachePagesTrack": 200,        "cachePagesStore": 100,        "cachePagesRefresh": 10,        "cachePagesDirtyRead": 10,        "searchEngineListTemplate": "forSearchEnginesList.htm",        "searchEngineFileTemplate": "forSearchEngines.htm",        "searchEngineRobotsDb": "WEB-INF/robots.db",        "useDataStore": true,        "dataStoreClass": "org.cofax.SqlDataStore",        "redirectionClass": "org.cofax.SqlRedirection",        "dataStoreName": "cofax",        "dataStoreDriver": "com.microsoft.jdbc.sqlserver.SQLServerDriver",        "dataStoreUrl": "jdbc:microsoft:sqlserver://LOCALHOST:1433;DatabaseName=goon",        "dataStoreUser": "sa",        "dataStorePassword": "dataStoreTestQuery",        "dataStoreTestQuery": "SET NOCOUNT ON;select test='test';",        "dataStoreLogFile": "/usr/local/tomcat/logs/datastore.log",        "dataStoreInitConns": 10,        "dataStoreMaxConns": 100,        "dataStoreConnUsageLimit": 100,        "dataStoreLogLevel": "debug",        "maxUrlLength": 500}},    {      "servlet-name": "cofaxEmail",      "servlet-class": "org.cofax.cds.EmailServlet",      "init-param": {      "mailHost": "mail1",      "mailHostOverride": "mail2"}},    {      "servlet-name": "cofaxAdmin",      "servlet-class": "org.cofax.cds.AdminServlet"},     {      "servlet-name": "fileServlet",      "servlet-class": "org.cofax.cds.FileServlet"},    {      "servlet-name": "cofaxTools",      "servlet-class": "org.cofax.cms.CofaxToolsServlet",      "init-param": {        "templatePath": "toolstemplates/",        "log": 1,        "logLocation": "/usr/local/tomcat/logs/CofaxTools.log",        "logMaxSize": "",        "dataLog": 1,        "dataLogLocation": "/usr/local/tomcat/logs/dataLog.log",        "dataLogMaxSize": "",        "removePageCache": "/content/admin/remove?cache=pages&id=",        "removeTemplateCache": "/content/admin/remove?cache=templates&id=",        "fileTransferFolder": "/usr/local/tomcat/webapps/content/fileTransferFolder",        "lookInContext": 1,        "adminGroupID": 4,        "betaServer": true}}],  "servlet-mapping": {    "cofaxCDS": "/",    "cofaxEmail": "/cofaxutil/aemail/*",    "cofaxAdmin": "/admin/*",    "fileServlet": "/static/*",    "cofaxTools": "/tools/*"},   "taglib": {    "taglib-uri": "cofax.tld",    "taglib-location": "/WEB-INF/tlds/cofax.tld"}}}

The same file expressed as XML:

<?xml version="1.0" encoding="ISO-8859-1"?><!DOCTYPE web-app    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"    "http://java.sun.com/j2ee/dtds/web-app_2.2.dtd"><web-app>    <servlet>        <servlet-name>            cofaxCDS        </servlet-name>        <servlet-class>            org.cofax.cds.CDSServlet        </servlet-class>         <init-param>          <param-name>configGlossary:installationAt</param-name>      <param-value>Philadelphia, PA</param-value>        </init-param>        <init-param>          <param-name>configGlossary:adminEmail</param-name>      <param-value>[e-mail]</param-value>        </init-param>        <init-param>          <param-name>configGlossary:poweredBy</param-name>      <param-value>Cofax</param-value>        </init-param>        <init-param>          <param-name>configGlossary:poweredByIcon</param-name>      <param-value>/images/cofax.gif</param-value>        </init-param>        <init-param>          <param-name>configGlossary:staticPath</param-name>      <param-value>/content/static</param-value>        </init-param>     <init-param>          <param-name>templateProcessorClass</param-name>      <param-value>org.cofax.WysiwygTemplate</param-value>        </init-param>    <init-param>          <param-name>templateLoaderClass</param-name>      <param-value>org.cofax.FilesTemplateLoader</param-value>        </init-param>         <init-param>          <param-name>templatePath</param-name>      <param-value>templates</param-value>        </init-param>        <init-param>          <param-name>templateOverridePath</param-name>      <param-value></param-value>        </init-param>     <init-param>          <param-name>defaultListTemplate</param-name>      <param-value>listTemplate.htm</param-value>        </init-param>       <init-param>          <param-name>defaultFileTemplate</param-name>      <param-value>articleTemplate.htm</param-value>        </init-param>       <init-param>          <param-name>useJSP</param-name>      <param-value>false</param-value>        </init-param>    <init-param>          <param-name>jspListTemplate</param-name>      <param-value>listTemplate.jsp</param-value>        </init-param>       <init-param>          <param-name>jspFileTemplate</param-name>      <param-value>articleTemplate.jsp</param-value>        </init-param>     <init-param>          <param-name>cachePackageTagsTrack</param-name>      <param-value>200</param-value>        </init-param>    <init-param>          <param-name>cachePackageTagsStore</param-name>      <param-value>200</param-value>        </init-param>    <init-param>          <param-name>cachePackageTagsRefresh</param-name>      <param-value>60</param-value>        </init-param>     <init-param>          <param-name>cacheTemplatesTrack</param-name>      <param-value>100</param-value>        </init-param>    <init-param>          <param-name>cacheTemplatesStore</param-name>      <param-value>50</param-value>        </init-param>    <init-param>          <param-name>cacheTemplatesRefresh</param-name>      <param-value>15</param-value>        </init-param>    <init-param>          <param-name>cachePagesTrack</param-name>      <param-value>200</param-value>        </init-param>    <init-param>          <param-name>cachePagesStore</param-name>      <param-value>100</param-value>        </init-param>    <init-param>          <param-name>cachePagesRefresh</param-name>      <param-value>10</param-value>        </init-param>    <init-param>          <param-name>cachePagesDirtyRead</param-name>      <param-value>10</param-value>        </init-param>     <init-param>          <param-name>searchEngineListTemplate</param-name>      <param-value>forSearchEnginesList.htm</param-value>        </init-param>       <init-param>          <param-name>searchEngineFileTemplate</param-name>      <param-value>forSearchEngines.htm</param-value>        </init-param>       <init-param>          <param-name>searchEngineRobotsDb</param-name>      <param-value>WEB-INF/robots.db</param-value>        </init-param>    <init-param>          <param-name>useDataStore</param-name>      <param-value>true</param-value>        </init-param>     <init-param>          <param-name>dataStoreClass</param-name>      <param-value>org.cofax.SqlDataStore</param-value>        </init-param>        <init-param>          <param-name>redirectionClass</param-name>      <param-value>org.cofax.SqlRedirection</param-value>        </init-param>        <init-param>          <param-name>dataStoreName</param-name>      <param-value>cofax</param-value>        </init-param>        <init-param>          <param-name>dataStoreDriver</param-name>      <param-value>com.microsoft.jdbc.sqlserver.SQLServerDriver</param-value>        </init-param>         <init-param>          <param-name>dataStoreUrl</param-name>      <param-value>jdbc:microsoft:sqlserver://LOCALHOST:1433;DatabaseName=goon</param-value>        </init-param>        <init-param>          <param-name>dataStoreUser</param-name>      <param-value>sa</param-value>        </init-param>         <init-param>          <param-name>dataStorePassword</param-name>      <param-value></param-value>        </init-param>         <init-param>          <param-name>dataStoreTestQuery</param-name>      <param-value>SET NOCOUNT ON;select test='test';</param-value>        </init-param>         <init-param>          <param-name>dataStoreLogFile</param-name>      <param-value>/usr/local/tomcat/logs/datastore.log</param-value>        </init-param>         <init-param>          <param-name>dataStoreInitConns</param-name>      <param-value>10</param-value>        </init-param>         <init-param>          <param-name>dataStoreMaxConns</param-name>      <param-value>100</param-value>        </init-param>         <init-param>          <param-name>dataStoreConnUsageLimit</param-name>      <param-value>100</param-value>        </init-param> <init-param>          <param-name>dataStoreLogLevel</param-name>      <param-value>debug</param-value>        </init-param>     <init-param>          <param-name>maxUrlLength</param-name>      <param-value>500</param-value>        </init-param>    </servlet>     <servlet>        <servlet-name>            cofaxEmail        </servlet-name>        <servlet-class>            org.cofax.cds.EmailServlet        </servlet-class>         <init-param>          <param-name>mailHost</param-name>      <param-value>mail1</param-value>        </init-param>        <init-param>          <param-name>mailHostOverride</param-name>      <param-value>mail2</param-value>        </init-param>    </servlet>    <servlet>        <servlet-name>            cofaxAdmin        </servlet-name>        <servlet-class>            org.cofax.cds.AdminServlet        </servlet-class>    </servlet>    <servlet>         <servlet-name>             fileServlet         </servlet-name>         <servlet-class>             org.cofax.cds.FileServlet         </servlet-class>    </servlet>   <servlet>        <servlet-name>            cofaxTools        </servlet-name>        <servlet-class>            org.cofax.cms.CofaxToolsServlet        </servlet-class>         <init-param>          <param-name>templatePath</param-name>          <param-value>toolstemplates/</param-value>        </init-param>         <init-param>          <param-name>log</param-name>          <param-value>1</param-value>        </init-param>         <init-param>          <param-name>logLocation</param-name>          <param-value>/usr/local/tomcat/logs/CofaxTools.log</param-value>        </init-param>         <init-param>          <param-name>logMaxSize</param-name>          <param-value></param-value>        </init-param>         <init-param>          <param-name>dataLog</param-name>          <param-value>1</param-value>        </init-param>         <init-param>          <param-name>dataLogLocation</param-name>          <param-value>/usr/local/tomcat/logs/dataLog.log</param-value>        </init-param>         <init-param>          <param-name>dataLogMaxSize</param-name>          <param-value></param-value>        </init-param>         <init-param>          <param-name>removePageCache</param-name>          <param-value>/content/admin/remove?cache=pages&id=</param-value>        </init-param>         <init-param>          <param-name>removeTemplateCache</param-name>          <param-value>/content/admin/remove?cache=templates&id=</param-value>        </init-param>         <init-param>          <param-name>fileTransferFolder</param-name>          <param-value>/usr/local/tomcat/webapps/content/fileTransferFolder</param-value>        </init-param>         <init-param>          <param-name>lookInContext</param-name>          <param-value>1</param-value>        </init-param>        <init-param>          <param-name>adminGroupID</param-name>          <param-value>4</param-value>        </init-param>        <init-param>          <param-name>betaServer</param-name>          <param-value>true</param-value>        </init-param>    </servlet>    <servlet-mapping>    <servlet-name>    cofaxCDS    </servlet-name>    <url-pattern>    /    </url-pattern>    </servlet-mapping>    <servlet-mapping>    <servlet-name>    cofaxEmail    </servlet-name>    <url-pattern>    /cofaxutil/aemail/*    </url-pattern>    </servlet-mapping>    <servlet-mapping>        <servlet-name>        cofaxAdmin        </servlet-name>        <url-pattern>        /admin/*        </url-pattern>    </servlet-mapping>    <servlet-mapping>         <servlet-name>         fileServlet         </servlet-name>         <url-pattern>         /static/*         </url-pattern>     </servlet-mapping>  <servlet-mapping>        <servlet-name>        cofaxTools        </servlet-name>        <url-pattern>        /tools/*        </url-pattern>    </servlet-mapping>   <taglib>      <taglib-uri>cofax.tld</taglib-uri>      <taglib-location>/WEB-INF/tlds/cofax.tld</taglib-location>   </taglib></web-app>

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The action and label values only need to be provided if they are not the same as theid.

{"menu": {    "header": "SVG Viewer",    "items": [        {"id": "Open"},        {"id": "OpenNew", "label": "Open New"},        null,        {"id": "ZoomIn", "label": "Zoom In"},        {"id": "ZoomOut", "label": "Zoom Out"},        {"id": "OriginalView", "label": "Original View"},        null,        {"id": "Quality"},        {"id": "Pause"},        {"id": "Mute"},        null,        {"id": "Find", "label": "Find..."},        {"id": "FindAgain", "label": "Find Again"},        {"id": "Copy"},        {"id": "CopyAgain", "label": "Copy Again"},        {"id": "CopySVG", "label": "Copy SVG"},        {"id": "ViewSVG", "label": "View SVG"},        {"id": "ViewSource", "label": "View Source"},        {"id": "SaveAs", "label": "Save As"},        null,        {"id": "Help"},        {"id": "About", "label": "About Adobe CVG Viewer..."}    ]}}

The same message expressed as XML:

<menu>    <header>Adobe SVG Viewer</header>    <item action="Open" id="Open">Open</item>    <item action="OpenNew" id="OpenNew">Open New</item>    <separator/>    <item action="ZoomIn" id="ZoomIn">Zoom In</item>    <item action="ZoomOut" id="ZoomOut">Zoom Out</item>    <item action="OriginalView" id="OriginalView">Original View</item>    <separator/>    <item action="Quality" id="Quality">Quality</item>    <item action="Pause" id="Pause">Pause</item>    <item action="Mute" id="Mute">Mute</item>    <separator/>    <item action="Find" id="Find">Find...</item>    <item action="FindAgain" id="FindAgain">Find Again</item>    <item action="Copy" id="Copy">Copy</item>    <item action="CopyAgain" id="CopyAgain">Copy Again</item>    <item action="CopySVG" id="CopySVG">Copy SVG</item>    <item action="ViewSVG" id="ViewSVG">View SVG</item>    <item action="ViewSource" id="ViewSource">View Source</item>    <item action="SaveAs" id="SaveAs">Save As</item>    <separator/>    <item action="Help" id="Help">Help</item>    <item action="About" id="About">About Adobe CVG Viewer...</item></menu>