试试这个，
// Create JSONArray
JSONArray jArray = new JSONArray();
while (managedCursor.moveToNext())
{
final String number = managedCursor.getString(number1);
final String type2 = managedCursor.getString(type1);
final String date = managedCursor.getString(managedCursor.getColumnIndexOrThrow("date")).toString();
Date date1 = new Date(Long.valueOf(date));
final String fDate = date1.toString();
final String duration = managedCursor.getString(duration1);
String type = null;
// Create JSONObject
JSONObject item = new JSONObject();
// add the items to JSONObject
item.put("number", number);
item.put("type2", type2);
item.put("fDate", fDate);
item.put("duration", duration);
// add the JSONObject to JSONArray
jArray.put(item);
}
managedCursor.close();
System.out.println(jArray.toString());
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