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阿尔萨斯
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android解析json数据

 
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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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