feat(Feedback): 支持多图片上传并添加大小限制

refactor(JoinFamily): 使用原子类替换自定义样式

@@ -17,31 +17,45 @@
       <!-- Upload Screenshot Section -->
       <view class="mb-6">
         <view class="text-lg font-medium mb-2">上传截图 (可选)</view>
-        <view v-if="screenshot" class="mb-4">
-          <view class="relative inline-block">
+
+        <!-- 已上传图片显示 -->
+        <view class="flex flex-wrap gap-2 mb-4">
+          <view
+            v-for="(item, index) in screenshots"
+            :key="index"
+            class="relative"
+          >
             <image
-              :src="screenshot"
+              :src="item.url"
               class="w-24 h-24 rounded-lg object-cover"
               mode="aspectFill"
-              @tap="previewImage"
+              @tap="() => previewImage(index)"
             />
             <view
-              @click="deleteImage"
-              class="absolute -top-2 -right-2 w-5 h-5 bg-red-500 rounded-full flex items-center justify-center"
+              @click="() => deleteImage(index)"
+              class="absolute -top-2 -right-2 w-4 h-4 bg-red-500 rounded-full flex items-center justify-center"
             >
               <view class="text-white text-xs">×</view>
             </view>
           </view>
-        </view>
+          <!-- 上传按钮 -->
           <view
-          v-if="!screenshot"
-          class="border border-dashed border-gray-300 rounded-lg p-6 flex flex-col items-center justify-center"
+            v-if="screenshots.length < maxImages"
+            class="w-24 h-24 border border-dashed border-gray-300 rounded-lg flex flex-col items-center justify-center"
             @click="chooseImage"
           >
             <view class="text-gray-400 mb-2">
               <Photograph size="24" />
             </view>
-          <view class="text-center text-gray-400">添加图片</view>
+            <view class="text-center text-gray-400 text-xs">添加图片</view>
+          </view>
+        </view>
+
+        <!-- 提示信息 -->
+        <view class="text-xs text-gray-500 mt-2">
+          <view>• 图片大小不能超过10MB</view>
+          <view>• 最多只能上传3张图片</view>
+          <view>• 当前已上传 {{ screenshots.length }}/{{ maxImages }} 张</view>
         </view>
       </view>
 
@@ -54,6 +68,7 @@
             v-model="name"
             class="w-full text-gray-600 focus:outline-none"
             placeholder="请输入您的姓名"
+            :cursorSpacing="100"
           />
         </view>
       </view>
@@ -67,6 +82,7 @@
             v-model="contact"
             class="w-full text-gray-600 focus:outline-none"
             placeholder="请输入您的手机号或微信号"
+            :cursorSpacing="100"
           />
         </view>
       </view>
@@ -94,13 +110,15 @@
 import { ref } from 'vue';
 import Taro from '@tarojs/taro';
 import { Photograph } from '@nutui/icons-vue-taro';
+import BASE_URL from '@/utils/config';
 
 const feedbackText = ref('');
-const screenshot = ref('');
+const screenshots = ref([]);
 const name = ref('');
 const contact = ref('');
 const previewVisible = ref(false);
 const previewImages = ref([]);
+const maxImages = 3;
 
 /**
  * 显示提示信息
@@ -118,13 +136,34 @@ const showToast = (message, type = 'success') => {
  * 选择图片
  */
 const chooseImage = () => {
+  if (screenshots.value.length >= maxImages) {
+    showToast(`最多只能上传${maxImages}张图片`, 'error');
+    return;
+  }
+
+  const remainingCount = maxImages - screenshots.value.length;
   Taro.chooseImage({
-    count: 1,
+    count: remainingCount,
     sizeType: ['compressed'],
     sourceType: ['album', 'camera'],
     success: function (res) {
-      const tempFilePath = res.tempFilePaths[0];
-      screenshot.value = tempFilePath;
+      res.tempFilePaths.forEach(tempFilePath => {
+        // 检查文件大小（10MB = 10 * 1024 * 1024 bytes）
+        Taro.getFileInfo({
+          filePath: tempFilePath,
+          success: function (fileInfo) {
+            if (fileInfo.size > 10 * 1024 * 1024) {
+              showToast('图片大小不能超过10MB', 'error');
+              return;
+            }
+            uploadImage(tempFilePath);
+          },
+          fail: function () {
+            // 如果获取文件信息失败，直接上传
+            uploadImage(tempFilePath);
+          }
+        });
+      });
     },
     fail: function () {
       showToast('选择图片失败', 'error');
@@ -133,10 +172,53 @@ const chooseImage = () => {
 };
 
 /**
+ * 上传图片到服务器
+ */
+const uploadImage = (filePath) => {
+  // 显示上传中提示
+  Taro.showLoading({
+    title: '上传中',
+    mask: true
+  });
+
+  wx.uploadFile({
+    url: BASE_URL + '/admin/?m=srv&a=upload',
+    filePath,
+    name: 'file',
+    header: {
+      'content-type': 'multipart/form-data',
+    },
+    success: function (res) {
+      let upload_data = JSON.parse(res.data);
+      Taro.hideLoading({
+        success: () => {
+          if (res.statusCode === 200) {
+            screenshots.value.push({
+              url: upload_data.data.src,
+              localPath: filePath
+            });
+            showToast('上传成功', 'success');
+          } else {
+            showToast('服务器错误,稍后重试！', 'error');
+          }
+        },
+      });
+    },
+    fail: function (res) {
+      Taro.hideLoading({
+        success: () => {
+          showToast('上传失败,稍后重试！', 'error');
+        }
+      });
+    }
+  });
+};
+
+/**
  * 预览图片
  */
-const previewImage = () => {
-  previewImages.value = [{ src: screenshot.value }];
+const previewImage = (index) => {
+  previewImages.value = screenshots.value.map(item => ({ src: item.url }));
   previewVisible.value = true;
 };
 
@@ -150,8 +232,9 @@ const closePreview = () => {
 /**
  * 删除图片
  */
-const deleteImage = () => {
-  screenshot.value = '';
+const deleteImage = (index) => {
+  screenshots.value.splice(index, 1);
+  showToast('图片已删除', 'success');
 };
 
 /**
@@ -176,7 +259,7 @@ const submitFeedback = () => {
 
   // 提交成功后清空表单
   feedbackText.value = '';
-  screenshot.value = '';
+  screenshots.value = [];
   name.value = '';
   contact.value = '';
 };

@@ -36,34 +36,3 @@
   font-weight: 700;
   margin-bottom: 1rem;
 }
\ No newline at end of file
-
-.identity-grid {
-  display: grid;
-  grid-template-columns: repeat(2, 1fr);
-  gap: 1rem;
-}
-
-.identity-item {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 1rem;
-  border: 1px solid #e5e7eb;
-  border-radius: 0.5rem;
-}
-
-.identity-item-selected {
-  border-color: #3b82f6;
-  background-color: #eff6ff;
-}
-
-.identity-item-content {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-}
-
-.identity-item-icon {
-  font-size: 1.5rem;
-  margin-bottom: 0.5rem;
-}
\ No newline at end of file

@@ -33,7 +33,7 @@
         </view>
       </view>
       <!-- Help text -->
-      <view class="text-gray-500 text-center text-sm mb-8">
+      <view class="text-gray-500 text-center text-sm mb-4">
         没有口令？请联系您的大家长获取
       </view>
       <!-- Role selection -->
@@ -41,20 +41,20 @@
         <h3 class="identity-title">
           选择您的身份
         </h3>
-        <view class="identity-grid">
+        <view class="flex gap-2 flex-wrap">
           <view
             v-for="role in familyRoles"
             :key="role.id"
+            @click="selectedRole = role.id"
             :class="[
-              'identity-item',
-              { 'identity-item-selected': selectedRole === role.id }
+              'w-[calc(49%-4rpx)] py-3 rounded-lg border text-center flex flex-col items-center gap-1',
+              selectedRole === role.id
+                ? 'border-blue-500 bg-blue-50 text-blue-500'
+                : 'border-gray-200 text-gray-700'
             ]"
-            @click="selectedRole = role.id"
           >
-            <view class="identity-item-content">
-              <My size="20" class="identity-item-icon" />
-              <span class="identity-item-label">{{ role.label }}</span>
-            </view>
+            <My size="20" />
+            <span class="text-sm">{{ role.label }}</span>
           </view>
         </view>
       </view>
@@ -63,7 +63,7 @@
         @click="handleJoinFamily"
         :disabled="!isComplete"
         :class="[
-          'w-full py-4 text-white text-lg font-medium rounded-lg mt-auto text-center',
+          'w-full py-3 text-white text-lg font-medium rounded-lg mt-auto text-center',
           isComplete ? 'bg-blue-500' : 'bg-gray-300'
         ]"
       >