Json string to JSONObject and JSONArray.

Specific conversion process

// JSONObject

String jsonMessage = "{\" \ ": \" 88 \ ", \" Mathematics \ ": \" 78 \ ", \" computer \": \ "99 \"}";
String value1 = null;
Try
{
// Convert a string to a jsonObject object
JSONObject myJsonObject = new JSONObject (jsonMessage );
// Obtain the corresponding value
Value1 = myJsonObject. getString ("Mathematics ");
}
Catch (JSONException e)
{
}
 
System. out. println ("value1 =" + value1 );

// JSONArray

JsonMessage = "[{'num': 'score ', 'foreign language': 88, 'hire': 65, 'geolocation ': 99, 'object': {'aaa ': '000000', 'bbb ': '000000', 'cccc': '000000'}, "+
"{'Num': 'interest ', 'foreign language': 28, 'hire': 45, 'geolocation ': 19, 'object': {'aaa ': '11a11', 'bbb ': '000000', 'cccc': '000000'}, "+
"{'Num': 'hobby ', 'foreign language': 48, 'hire': 62, 'geolocation ': 39, 'object': {'aaa ': '11c11', 'bbb ': '000000', 'cccc': '000000'}] ";
JSONArray myJsonArray;
Try
{
MyJsonArray = new JSONArray (jsonMessage );

For (int I = 0; I <myJsonArray. length (); I ++)
{
// Obtain every JsonObject
JSONObject myjObject = myJsonArray. getJSONObject (I );

// Obtain the value of each object
String numString = myjObject. getString ("num ");
Int englishScore = myjObject. getInt ("Foreign Language ");
Int historyScore = myjObject. getInt ("History ");
Int geographyScore = myjObject. getInt ("Geography ");
// Obtain the object of the object in the array
JSONObject myjObject2 = myjObject. getJSONObject ("object ");
String aaaString = myjObject2.getString ("aaa ");
System. out. println ("aaaString =" + aaaString );

System. out. println ("numString =" + numString );
System. out. println ("engishscore =" + engishscore );
System. out. println ("historyScore =" + historyScore );
System. out. println ("geographyScore =" + geographyScore );
}
}
Catch (JSONException e)
{
}