Gwt Json

创建对象

private final RequestBuilder requestBuilder =

new RequestBuilder( RequestBuilder.GET, "search-results.js" );

请求

requestBuilder.sendRequest(null, new RequestCallback(){
public void onError(Request request, Throwable exception) {
displayRequestError(exception.toString());
resetSearchButtonCaption();
}

public void onResponseReceived(Request request, Response response) {
String responseText = response.getText(); //得到值
try {
JSONValue jsonValue = JSONParser.parse(responseText); //转为json数据

//操作数据

JSONArray jsonArray;
JSONObject jsonObject;
JSONString jsonString;

if ((jsonArray = jsonValue.isArray()) != null) {

}
} else if ((jsonObject = jsonValue.isObject()) != null) {

} else if ((jsonString = jsonValue.isString()) != null) {

}

} catch (JSONException e) {

System.out.println(ex.toString());
}
}
});