Question

我正在从SharedPreference读取String数据。我的String的格式为

[{
    "name": "sdf",
    "phone": "2356235623",
    "no_people": "2"
}]

我想阅读此JSONobjects中存在的所有JSONArray。所以我将这个字符串转换为

到JSON数组

String tempData = addqueuetemp.getString("tempdata", "");
JSONArray cacheTemp=new JSONArray(tempData);

现在我将这个JSON数组解析为

 JSONArray cacheTemp=new JSONArray(tempQueue);
        for(int i=0;i<cacheTempQueue.length();i++){
            JSONObject tempObject=cacheTemp.getJSONObject(i);
            CurrentStatusEntry tempEntry=new CurrentStatusEntry();
            tempEntry.setName(tempObject.getString("name");
            current.add(tempEntry);
            adapter = new QueueAdapter(current, getActivity().getApplicationContext());
            recyclerView.setAdapter(adapter);
        }

但是我得到了错误

org.json.JSONException: Value {"name":"sdf","phone":"2356235623","no_people":"2"} at 0 of type java.lang.String cannot be converted to JSONObject

如何解决这个问题？

Answer 1

尝试

JSONObject obj1 = new JSONObject(result.toString());
JSONArray jsonArray = new JSONArray();
jsonArray.put(obj1);
JSONObject dataObj = new JSONObject();
dataObj.put("Data", jsonArray);
JSONArray Jarray = obj.getJSONArray("value");

Answer 2

使用此

JSONArray cacheTemp=new JSONArray(tempQueue);
    for(int i=0;i<cacheTemp.length();i++){
        JSONObject tempObject=cacheTemp.getJSONObject(i);
        CurrentStatusEntry tempEntry=new CurrentStatusEntry();
        tempEntry.setName(tempObject.getString("name");
        current.add(tempEntry);
        adapter = new QueueAdapter(current, getActivity().getApplicationContext());
        recyclerView.setAdapter(adapter);
    }

Answer 3

在循环中使用import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; public class StackOverFlow { public static void main(String[] args) { try { String sText = getFileText("C:/file.txt"); System.out.println("Text is: " + sText); } catch (FileNotFoundException e) { System.out.println("File not Found"); } catch (IOException e) { System.out.println("@Error while reading text: " + e.getMessage()); } } private static String getFileText(String filePath) throws FileNotFoundException, IOException { File file = new File(filePath); String line = null; StringBuilder stringBuilder = new StringBuilder(); String ls = System.getProperty("line.separator"); BufferedReader reader = null; try{ reader = new BufferedReader(new FileReader(file)); while ((line = reader.readLine()) != null) { stringBuilder.append(line); stringBuilder.append(ls); } reader.close(); }finally { reader.close(); } return new String(stringBuilder); } } JSONArray代替shell_exec()，然后将setAdateper代码放入外部循环。

shell_exec("/usr/bin/nohup curl -o /dev/null --data \"$data\" $url >/dev/null 2>&1 &");

值0不能转换为JSON对象

3 个答案: