不同结构的JSON-Android
我得到了不同结构的JSON。一个是画廊,另一个不是 第一:(没有画廊) 第二个JSON(带图库) 我将此JSON放入如下数组:不同结构的JSON-Android,android,json,Android,Json,我得到了不同结构的JSON。一个是画廊,另一个不是 第一:(没有画廊) 第二个JSON(带图库) 我将此JSON放入如下数组: data = whole JSON file, which I get from web service JSONObject jRealObject = new JSONObject(data); title = jRealObject.getString("title").toString(); text = jRealObject.getString("full
data = whole JSON file, which I get from web service
JSONObject jRealObject = new JSONObject(data);
title = jRealObject.getString("title").toString();
text = jRealObject.getString("fulltext").toString();
JSONArray jArray = jRealObject.getJSONArray("gallery");
for (int i = 0; i < jArray.length(); i++) {
gallery.add(jArray.getString(i));
}
JSONArray jArray = jRealObject.getJSONArray("related_articles");
for (int i = 0; i < jArray.length(); i++) {
jRealObject = jArray.getJSONObject(i);
relatedId[i] = jRealObject.getString("id").toString();
relatedTitle[i] = jRealObject.getString("title").toString();
relatedImage[i] = jRealObject.getString("image_name").toString();
}
如何检查JSON中是否有“gallery”?JSONArray jArray=jRealObject.optJSONArray(“gallery”,null);
JSONArray jArray = jRealObject.optJSONArray("gallery",null);
if(jArray != null)
for (int i = 0; i < jArray.length(); i++) {
gallery.add(jArray.getString(i));
}
if(jArray!=null)
for(int i=0;i
您可以使用该库,该库是对对象的json解析,功能非常强大
这里有一个示例,您可以用json响应实现这个库
data = whole JSON file, which I get from web service
JSONObject jRealObject = new JSONObject(data);
title = jRealObject.getString("title").toString();
text = jRealObject.getString("fulltext").toString();
JSONArray jArray = jRealObject.getJSONArray("gallery");
for (int i = 0; i < jArray.length(); i++) {
gallery.add(jArray.getString(i));
}
JSONArray jArray = jRealObject.getJSONArray("related_articles");
for (int i = 0; i < jArray.length(); i++) {
jRealObject = jArray.getJSONObject(i);
relatedId[i] = jRealObject.getString("id").toString();
relatedTitle[i] = jRealObject.getString("title").toString();
relatedImage[i] = jRealObject.getString("image_name").toString();
}
W/System.err(30635): org.json.JSONException: No value for gallery
JSONArray jArray = jRealObject.optJSONArray("gallery",null);
if(jArray != null)
for (int i = 0; i < jArray.length(); i++) {
gallery.add(jArray.getString(i));
}