efats

lib/main.dart

@@ -1,5 +1,7 @@
 
 import 'package:farmer_client/models/Store.dart';
+import 'package:farmer_client/services/user.dart';
+import 'package:farmer_client/widgets/GradientButton.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -66,6 +68,10 @@ class _MyHomePageState extends State<MyHomePage> {
     });
   }
 
+  onTap() {
+    getSMSCaptch("17714208769");
+  }
+
   @override
   Widget build(BuildContext context) {
 
@@ -110,6 +116,11 @@ class _MyHomePageState extends State<MyHomePage> {
               '$_counter',
               style: Theme.of(context).textTheme.headline4,
             ),
+            GradientButton(
+              colors: const [Colors.orange, Colors.red],
+              child: const Text("Submit"),
+              onPressed: onTap,
+            ),
           ],
         ),
       ),

lib/services/user.dart

@@ -0,0 +1,8 @@
+
+import 'package:dio/dio.dart';
+import 'package:farmer_client/utils/Request.dart';
+import 'package:flutter/foundation.dart';
+
+Future getSMSCaptch(String phone) async {
+  return request('/sms-captcha', options: Options(method: 'POST'), queryParameters: { 'phone': phone });
+}

lib/utils/Request.dart

@@ -1,7 +1,8 @@
-
 import 'dart:convert';
 
 import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+import 'package:get/get.dart';
 
 class Response {
   late int code;
@@ -14,56 +15,66 @@ class Response {
     this.data,
   });
 
-  factory Response.fromJson(dynamic str) => Response.fromMap(jsonDecode(str) as Map<String, dynamic>);
+  factory Response.fromJson(dynamic str) =>
+      Response.fromMap(jsonDecode(str) as Map<String, dynamic>);
 
   factory Response.fromMap(Map<String, dynamic> resp) => Response(
-    code: resp['code'],
-    message: resp['message'],
-    data: resp['data'],
-  );
+        code: resp['code'],
+        message: resp['message'],
+        data: resp['data'],
+      );
 }
 
+final client = GetPlatform.isAndroid ? 'android' : 'ios';
+
 Dio createRequest() {
   var options = BaseOptions(
-    baseUrl: 'https://www.xx.com/api',
+    baseUrl: 'https://machine.njyunzhi.com/api/' + client + '/farmer',
     connectTimeout: 5000,
     receiveTimeout: 3000,
   );
 
   var dio = Dio(options);
-  dio.interceptors.add(InterceptorsWrapper(
-      onRequest:(options, handler){
-        // Do something before request is sent
-        return handler.next(options); //continue
-        // If you want to resolve the request with some custom data，
-        // you can resolve a `Response` object eg: `handler.resolve(response)`.
-        // If you want to reject the request with a error message,
-        // you can reject a `DioError` object eg: `handler.reject(dioError)`
-      },
-      onResponse:(response,handler) {
-        Response resp = Response.fromJson(response.data['data']);
-        if (resp.code == 1000) {
-          response.data = resp.data;
-          return handler.next(response);
-        } else {
-          return handler.reject(response.data);
-        }
-      },
-      onError: (DioError e, handler) {
-        // Do something with response error
-        return  handler.next(e);//continue
-        // If you want to resolve the request with some custom data，
-        // you can resolve a `Response` object eg: `handler.resolve(response)`.
-      }
-  ));
+  dio.interceptors.add(InterceptorsWrapper(onRequest: (options, handler) {
+    // Do something before request is sent
+    return handler.next(options); //continue
+    // If you want to resolve the request with some custom data，
+    // you can resolve a `Response` object eg: `handler.resolve(response)`.
+    // If you want to reject the request with a error message,
+    // you can reject a `DioError` object eg: `handler.reject(dioError)`
+  }, onResponse: (response, handler) {
+    var resp = response.data as Map<String, dynamic>;
+    if (resp['code'] == 1000) {
+      response.data = resp['data'];
+      return handler.next(response);
+    } else {
+      return handler.reject(response.data);
+    }
+  }, onError: (DioError e, handler) {
+    // Do something with response error
+    return handler.next(e); //continue
+    // If you want to resolve the request with some custom data，
+    // you can resolve a `Response` object eg: `handler.resolve(response)`.
+  }));
 
   return dio;
 }
 
 var instance = createRequest();
 
-Future request (RequestOptions options) async {
-  var resp = await instance.fetch(options);
+Future request(String path,
+    {data,
+    Map<String, dynamic>? queryParameters,
+    CancelToken? cancelToken,
+    Options? options,
+    ProgressCallback? onSendProgress,
+    ProgressCallback? onReceiveProgress}) async {
+
+  var resp = await instance.request(path,
+      data: data,
+      queryParameters: queryParameters,
+      cancelToken: cancelToken,
+      options: options);
 
   if (resp.data.runtimeType == String) {
     String dt = resp.data as String;

lib/widgets/GradientButton.dart

@@ -0,0 +1,88 @@
+
+
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
+class GradientButton extends StatelessWidget {
+  const GradientButton({
+    Key? key,
+    this.colors,
+    this.linearStart,
+    this.linearEnd,
+    required this.onPressed,
+    required this.child,
+    this.padding,
+    this.borderRadius = const BorderRadius.all(Radius.circular(2)),
+    this.textColor,
+    this.splashColor,
+    this.disabledColor,
+    this.disabledTextColor,
+    this.onHighlightChanged,
+  }) : super(key: key);
+
+  // 渐变色数组
+  final List<Color>? colors;
+  final Color? textColor;
+  final Color? splashColor;
+  final Color? disabledTextColor;
+  final Color? disabledColor;
+  final EdgeInsetsGeometry? padding;
+  final Alignment? linearStart;
+  final Alignment? linearEnd;
+
+  final Widget child;
+  final BorderRadius? borderRadius;
+
+  final GestureTapCallback? onPressed;
+  final ValueChanged<bool>? onHighlightChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    ThemeData theme = Theme.of(context);
+    //确保colors数组不空
+    List<Color> _colors =
+        colors ?? [theme.primaryColor, theme.primaryColorDark];
+    final radius = borderRadius;
+    bool disabled = onPressed == null;
+
+    return DecoratedBox(
+      decoration: BoxDecoration(
+        gradient: disabled ? null : LinearGradient(begin: linearStart??Alignment.topCenter, end: linearEnd??Alignment.bottomCenter, colors: _colors),
+        color: disabled ? disabledColor ?? theme.disabledColor : null,
+        borderRadius: radius,
+      ),
+      child: Material(
+        type: MaterialType.transparency,
+        borderRadius: radius,
+        clipBehavior: Clip.hardEdge,
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(minWidth: 88.0, minHeight: 36.0),
+          child: InkWell(
+            splashColor: splashColor ?? _colors.last,
+            highlightColor: Colors.transparent,
+            onHighlightChanged: onHighlightChanged,
+            onTap: onPressed,
+            child: Padding(
+              padding: padding ?? theme.buttonTheme.padding,
+              child: DefaultTextStyle(
+                style: const TextStyle(fontWeight: FontWeight.bold),
+                child: Center(
+                  child: DefaultTextStyle(
+                    style: theme.textTheme.button!.copyWith(
+                      color: disabled
+                          ? disabledTextColor ?? Colors.black38
+                          : textColor ?? Colors.white,
+                    ),
+                    child: child,
+                  ),
+                  widthFactor: 1,
+                  heightFactor: 1,
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}