您好，很高兴为您解答，方法好下：
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONStringer;
import android.util.Log;
public class JSON{
//========================================================================
/**
*
retrieveJSONArray(ArrayList<> jsonArray)
*
*
- Returns JSON formed Array from the ArrayList provided.
* - jsonArray will be ArrayList of array.
* - the elements provided in array will be arranged in consecutive keys
* - ex: [{"key0","1st element of array"},{"key1","2nd element of array"}]
*
*/
//========================================================================
public static String retrieveJSONArray(ArrayList
jsonArray){
try{
String[] jsonObject=new String[2];
JSONStringer stringer=new JSONStringer();
stringer.array();
int arrayLength=jsonArray.size();
for(int i=0;i
jsonObject=jsonArray.get(i);
stringer.object();
for(int j=0;j stringer.key("key"+j).value(jsonObject[j]);
stringer.endObject();
}
stringer.endArray();
return stringer.toString();
}catch(Exception e){
e.printStackTrace();
}
return null;
}
//========================================================================
/**
* retrieveJSONArray(ArrayList<
> jsonArray,String[] key)
*
*
- Returns JSON formed Array from the ArrayList provided.
* - jsonArray will be ArrayList of array.
* - the elements provided in array will be arranged in consecutive keys
* - ex: [{"key[0]","1st element of array"},{"key[1]","2nd element of array"}]
*
*/
//========================================================================
public static String retrieveJSONArray(ArrayList
jsonArray,String[] key){
try{
String[] jsonObject=new String[2];
JSONStringer stringer=new JSONStringer();
stringer.array();
int arrayLength=jsonArray.size();
for(int i=0;i
jsonObject=jsonArray.get(i);
stringer.object();
for(int j=0;j stringer.key(key[j]).value(jsonObject[j]);
stringer.endObject();
}
stringer.endArray();
return stringer.toString();
}catch(Exception e){
e.printStackTrace();
}
return null;
}
//========================================================================
/**
* retrieveJSONString(ArrayList<
> jsonArray)
*
*
- Returns JSON formed string from the ArrayList provided.
* - jsonArray will be ArrayList of array.
* - ex: {"key0":"1st element of array","key1":"2nd element of array"}
*
*/
//========================================================================
public static String retrieveJSONString(ArrayList
jsonObject){
try{
String[] arr_jsonObject=new String[2];
JSONStringer stringer=new JSONStringer();
stringer.object();
for(int i=0;i
arr_jsonObject=jsonObject.get(i);
stringer.key(arr_jsonObject[0]).value(arr_jsonObject[1]);
}
stringer.endObject();
return stringer.toString();
}catch(Exception e){
e.printStackTrace();
}
return null;
}
//========================================================================
/**
* Converts jsonArray to an arrayList of String[]. Where each row contains values in json
* String array, in increasing order of key values provided, without there key counterparts.
*
* For ex: if JSON string is [{"key00":"value00","key01":"value01"},{"key10":"value10","key11":"value11"}],
* then the rows of an array will be as follows
*
- First row : 1st element- value00, 2nd element - value01
* - Second row : 1st element- value10, 2nd element - value11
*
*
* */
//========================================================================
public static ArrayList convertJSONArraytoArrayList(String jsonArray,String[] key){
try{
JSONArray JsonArray=new JSONArray(jsonArray);
JSONObject JsonObject=new JSONObject();
int jsonArraySize=JsonArray.length();
String[] jsonObjectArray;
ArrayList jsonArrayList=new ArrayList();
for(int i=0;i
JsonObject=JsonArray.getJSONObject(i);
jsonObjectArray=new String[key.length];
for(int j=0;j jsonObjectArray[j]=JsonObject.getString(key[j]);
jsonArrayList.add(jsonObjectArray);
}
return jsonArrayList;
}catch(Exception e){
e.printStackTrace();
return null;
}
}
//========================================================================
/**
* Converts jsonString to an arrayList of String[].
*
* For ex: if JSON string is {"key00":"value00","key01":"value01"},
* then the rows of an array will be as follows
*
- First row : 1st element- value00
* - Second row : 1st element- value10
*
*
* */
//========================================================================
public static ArrayList convertJSONStringtoArrayList(String jsonString,String[] key){
try{
JSONObject jsonObject=new JSONObject(jsonString);
ArrayList jsonArrayList=new ArrayList();
for(int i=0;i jsonArrayList.add(new String[]{jsonObject.getString(key[i])});
return jsonArrayList;
}catch(Exception e){
e.printStackTrace();
return null;
}
}
}
如果我的回答没能帮助您，请继续追问。
转载，仅供参考。
