基本完成

lib/api/network/interceptor.dart

@@ -0,0 +1,64 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+
+import '../../providers/app_store.dart';
+import '../dto/base_dto.dart';
+
+///请求拦截器
+void onRequest(
+  RequestOptions options,
+  RequestInterceptorHandler handler,
+) async {
+  String token = await AppStore.getToken();
+  options.headers['Authorization'] = 'Bearer $token';
+  return handler.next(options);
+}
+
+///响应拦截器
+void onResponse(
+  Response<dynamic> response,
+  ResponseInterceptorHandler handler,
+) {
+  var apiResponse = ApiDto.fromJson(response.data);
+  if (apiResponse.code == 1) {
+    response.data = apiResponse.data;
+    return handler.next(response);
+  } else {
+    showError(apiResponse.message);
+    handler.reject(
+      DioException(
+        requestOptions: response.requestOptions,
+        response: response,
+        error: {'code': 0, 'message': apiResponse.message},
+      ),
+    );
+  }
+}
+
+///错误响应
+void onError(
+  DioException e,
+  ErrorInterceptorHandler handler,
+) {
+  var title = "";
+  if (e.type == DioExceptionType.connectionTimeout) {
+    title = "请求超时";
+  } else if (e.type == DioExceptionType.badResponse) {
+    if (e.response?.statusCode == 404) {
+      title = "接口404不存在";
+    } else {
+      title = "500";
+    }
+  } else if (e.type == DioExceptionType.connectionError) {
+    title = "网络连接失败";
+  } else {
+    title = "异常其他错误";
+  }
+  showError(title);
+  handler.next(e);
+}
+
+///显示错误信息
+void showError(String message) {
+  EasyLoading.showError(message);
+}