[转]android中解析后台返回的json字符串
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:
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。
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:
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// TODO 状态处理 500 200 int res = ; 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 * */ HttpResponse httpResponse = httpClient.execute(httpPost); StringBuilder builder = new StringBuilder(); BufferedReader bufferedReader2 = new BufferedReader( new InputStreamReader(httpResponse.getEntity().getContent())); String str2 = "" ; for (String s = bufferedReader2.readLine(); s != null ; s = bufferedReader2 .readLine()) { builder.append(s); } Log.i( "cat" , ">>>>>>" + builder.toString()); JSONObject jsonObject = new JSONObject(builder.toString()) .getJSONObject( "userbean" ); String Uid; String Showname; String Avtar; String State; 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 500 200 int res = ; 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 * */ HttpResponse httpResponse = httpClient.execute(httpPost); StringBuilder builder = new StringBuilder(); BufferedReader bufferedReader2 = new BufferedReader( new InputStreamReader(httpResponse.getEntity().getContent())); String str2 = "" ; for (String s = 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, */ JSONObject jsonObject = new JSONObject(builder.toString()) .getJSONObject( "calendar" ); JSONArray jsonArray = jsonObject.getJSONArray( "calendarlist" ); for ( int i=;i<jsonArray.length();i++){ JSONObject jsonObject2 = (JSONObject)jsonArray.opt(i); CalendarInfo calendarInfo = new CalendarInfo(); 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); } |