android解析JSON数据

xuxl00 2012-02-24

json数据格式解析我自己分为两种;

一种是普通的,一种是带有数组形式的;

普通形式的:

服务器端返回的json数据格式如下:

{"userbean":{"Uid":"100196","Showname":"\u75af\u72c2\u7684\u7334\u5b50","Avtar":null,"State":1}}

分析代码如下:

//TODO状态处理500200

intres=0;

res=httpClient.execute(httpPost).getStatusLine().getStatusCode();

if(res==200){

/*

*当返回码为200时,做处理

*得到服务器端返回json数据,并做处理

**/

HttpResponsehttpResponse=httpClient.execute(httpPost);

StringBuilderbuilder=newStringBuilder();

BufferedReaderbufferedReader2=newBufferedReader(

newInputStreamReader(httpResponse.getEntity().getContent()));

Stringstr2="";

for(Strings=bufferedReader2.readLine();s!=null;s=bufferedReader2

.readLine()){

builder.append(s);

}

Log.i("cat",">>>>>>"+builder.toString());

JSONObjectjsonObject=newJSONObject(builder.toString())

.getJSONObject("userbean");

StringUid;

StringShowname;

StringAvtar;

StringState;

Uid=jsonObject.getString("Uid");

Showname=jsonObject.getString("Showname");

Avtar=jsonObject.getString("Avtar");

State=jsonObject.getString("State");

带数组形式的:

服务器端返回的数据格式为:

{"calendar":

{"calendarlist":

[

{"calendar_id":"1705","title":"(\u4eb2\u5b50)ddssd","category_name":"\u9ed8\u8ba4\u5206\u7c7b","showtime":"1288927800","endshowtime":"1288931400","allDay":false},

{"calendar_id":"1706","title":"(\u65c5\u884c)","category_name":"\u9ed8\u8ba4\u5206\u7c7b","showtime":"1288933200","endshowtime":"1288936800","allDay":false}

]

}

}

分析代码如下:

//TODO状态处理500200

intres=0;

res=httpClient.execute(httpPost).getStatusLine().getStatusCode();

if(res==200){

/*

*当返回码为200时,做处理

*得到服务器端返回json数据,并做处理

**/

HttpResponsehttpResponse=httpClient.execute(httpPost);

StringBuilderbuilder=newStringBuilder();

BufferedReaderbufferedReader2=newBufferedReader(

newInputStreamReader(httpResponse.getEntity().getContent()));

Stringstr2="";

for(Strings=bufferedReader2.readLine();s!=null;s=bufferedReader2

.readLine()){

builder.append(s);

}

Log.i("cat",">>>>>>"+builder.toString());

/**

*这里需要分析服务器回传的json格式数据,

*/

JSONObjectjsonObject=newJSONObject(builder.toString())

.getJSONObject("calendar");

JSONArrayjsonArray=jsonObject.getJSONArray("calendarlist");

for(inti=0;i<jsonArray.length();i++){

JSONObjectjsonObject2=(JSONObject)jsonArray.opt(i);

CalendarInfocalendarInfo=newCalendarInfo();

calendarInfo.setCalendar_id(jsonObject2.getString("calendar_id"));

calendarInfo.setTitle(jsonObject2.getString("title"));

calendarInfo.setCategory_name(jsonObject2.getString("category_name"));

calendarInfo.setShowtime(jsonObject2.getString("showtime"));

calendarInfo.setEndtime(jsonObject2.getString("endshowtime"));

calendarInfo.setAllDay(jsonObject2.getBoolean("allDay"));

calendarInfos.add(calendarInfo);

}

总结,普通形式的只需用JSONObject,带数组形式的需要使用JSONArray将其变成一个list。

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