-3
你好,請標記爲複製排序JSONArray空字符串,並以降序排列
之前看到的問題,我有一個喬恩陣列
[
{
"ID":"1324"
"iname":"Abc",
"icounts":"234",
"ilikes":"098"
},
{
"ID":"1224"
"iname":"bcd",
"icounts":"", //icounts has empty value
"ilikes":"098"
},
{
"ID":"1367"
"iname":"Abc",
"icounts":"28",
"ilikes":"098"
},
{
"ID":"1098"
"iname":"Abc",
"icounts":"",
"ilikes":"098"
},
{
"ID":"1444"
"iname":"dfgbc",
"icounts":"222",
"ilikes":"098"
},
{
"ID":"1411"
"iname":"bwec",
"icounts":"444",
"ilikes":"9"
}
]
我有「ICOUNT」值按遞減順序
對它進行排序ArrayList<HashMap<String,String>> arrayList= ArrayList<HashMap<String,String>>;
String jsonString = EntityUtils.toString(hres.getEntity()); // in jsonString i am storing json response
JSONArray jarray = new JSONArray(jsonString);
for (int i = 0 ; i <jarray.length();i++)
{
JSONObject jobj = jarray.getJSONObject(i);
HashMap<String,String> map = new HashMap<String,String>();
map.put("ID", jobj.getString("ID"));
map.put("iname", jobj.getString("iname"));
map.put("icount", jobj.getString("icount"));
map.put("ilikes", jobj.getString("ilikes"));
arrayList.add(map);
Collections.sort(arrayList, new Comparator<HashMap<String, String>>() {
@Override
public int compare(HashMap<String, String> lhs, HashMap<String, String> rhs) {
return lhs.get("icounts").compareTo(rhs.get("icounts"));
}
});
}
由於空字段compareTo不正確排序 所以我想要按降序排序。 建議請
我不認爲你應該使用'HashMap'。你或許應該創建一個類爲您DATAS,與領域。然而從Raghu拉米·雷迪的效應初探似乎不錯。 – sonic