增加快捷调用

example/lib/sample/dio/net.dart

+import 'package:flutter_clx_base/api/base_dio.dart';
+import 'dio_utils.dart';
+
+void get(url, queryParameters, successCallback, errorCallback) {
+  DioUtils.instance.request(
+      requestUrl: url,
+      queryParameters: queryParameters,
+      method: Method.get,
+      successCallback: successCallback,
+      errorCallback: errorCallback);
+}
+
+void post(url, data, successCallback, errorCallback) {
+  DioUtils.instance.request(
+      requestUrl: url,
+      method: Method.post,
+      data: data,
+      successCallback: successCallback,
+      errorCallback: errorCallback);
+}