添加逻辑并测试连接数据库

pages/mall/delivery/help-center.uvue

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+<template>
+  <view class="help-center-container">
+    <!-- 顶部导航栏 -->
+    <view class="header-bar">
+      <view class="nav-left" @click="goBack">
+        <text class="nav-icon">←</text>
+      </view>
+      <text class="page-title">帮助中心</text>
+      <view class="nav-right"></view>
+    </view>
+
+    <!-- 搜索框 -->
+    <view class="search-bar">
+      <view class="search-input-wrapper">
+        <text class="search-icon">🔍</text>
+        <input 
+          type="text" 
+          placeholder="搜索常见问题..." 
+          v-model="searchQuery"
+          @input="onSearch"
+          class="search-input"
+        />
+      </view>
+    </view>
+
+    <!-- 分类导航 -->
+    <view class="category-tabs">
+      <scroll-view scroll-x="true" class="tabs-scroll">
+        <view 
+          v-for="cat in categories" 
+          :key="cat.id"
+          class="tab-item"
+          :class="{ active: activeCategory === cat.id }"
+          @click="switchCategory(cat.id)"
+        >
+          {{ cat.name }}
+        </view>
+      </scroll-view>
+    </view>
+
+    <!-- 内容区域 -->
+    <view class="content-wrapper">
+      <!-- 筛选标签（仅在搜索时显示） -->
+      <view v-if="searchQuery" class="filter-tags">
+        <text class="tag">搜索结果：{{ searchResults.length }} 条</text>
+        <text class="clear-btn" @click="clearSearch">清除</text>
+      </view>
+
+      <!-- 常见问题列表 -->
+      <view v-if="currentQuestions.length > 0">
+        <view v-for="item in currentQuestions" :key="item.id" class="question-item">
+          <view class="question-header" @click="toggleExpand(item)">
+            <text class="question-text">{{ item.title }}</text>
+            <text class="expand-icon">{{ item.expanded ? '▲' : '▼' }}</text>
+          </view>
+          <view v-if="item.expanded" class="answer-content">
+            <text class="answer-text">{{ item.content }}</text>
+          </view>
+        </view>
+      </view>
+
+      <!-- 无结果提示 -->
+      <view v-else class="no-result">
+        <text class="no-result-icon">❓</text>
+        <text class="no-result-title">暂无匹配结果</text>
+        <text class="no-result-desc">请尝试更换关键词，或查看以下热门问题</text>
+        <view class="hot-questions">
+          <text class="hot-tag">热门问题：</text>
+          <text class="hot-item" @click="jumpToQuestion('q1')">如何接单？</text>
+          <text class="hot-item" @click="jumpToQuestion('q2')">配送超时怎么办？</text>
+          <text class="hot-item" @click="jumpToQuestion('q3')">如何联系客户？</text>
+        </view>
+      </view>
+    </view>
+
+    <!-- 底部联系客服 -->
+    <view class="contact-footer">
+      <view class="contact-card">
+        <text class="contact-title">需要人工帮助？</text>
+        <text class="contact-desc">7×24小时在线客服，为您解决配送中遇到的任何问题</text>
+        <button class="contact-btn" @click="contactCustomerService">联系客服</button>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script lang="uts">
+export default {
+  data() {
+    return {
+      searchQuery: '',
+      activeCategory: 'all',
+      categories: [
+        { id: 'all', name: '全部' },
+        { id: 'order', name: '订单相关' },
+        { id: 'delivery', name: '配送操作' },
+        { id: 'account', name: '账号与认证' },
+        { id: 'payment', name: '收入与结算' },
+        { id: 'vehicle', name: '车辆管理' }
+      ],
+      questions: [
+        {
+          id: 'q1',
+          title: '如何接单？',
+          content: '1. 进入【任务列表】页面\n2. 查看“待接单”任务\n3. 点击任务卡片 → 点击【接受订单】按钮\n4. 系统将自动分配该订单给您，状态变为“已接单”\n⚠️ 注意：同一时间只能接1个订单，接单后需在15分钟内取货。',
+          category: ['order', 'delivery'],
+          expanded: false
+        },
+        {
+          id: 'q2',
+          title: '配送超时怎么办？',
+          content: '若因交通堵塞、客户联系不上等不可抗力导致超时，请在送达后点击【异常上报】→ 选择原因并上传凭证（如截图、通话记录），系统将审核后减免处罚。建议提前10分钟联系客户确认收货时间。',
+          category: ['delivery'],
+          expanded: false
+        },
+        {
+          id: 'q3',
+          title: '如何联系客户？',
+          content: '在【任务详情】页点击【联系客户】→ 选择【拨打电话】或【发送短信】。系统会隐藏真实号码，保护双方隐私。首次联系建议使用语音电话，确保沟通效率。',
+          category: ['delivery', 'order'],
+          expanded: false
+        },
+        {
+          id: 'q4',
+          title: '如何修改个人信息？',
+          content: '进入【个人中心】→ 点击头像 → 【编辑资料】→ 修改姓名/电话/身份证号等信息 → 提交后等待审核（通常2小时内完成）。注意：身份证信息需上传清晰照片。',
+          category: ['account'],
+          expanded: false
+        },
+        {
+          id: 'q5',
+          title: '配送费如何计算？',
+          content: '基础配送费 = 距离费（¥1.5/km） + 时间费（¥0.5/分钟） + 服务费（¥2~5，根据时段浮动）\n例如：3km + 15分钟 = 3×1.5 + 15×0.5 + 3 = ¥15\n实际金额以订单详情页为准。',
+          category: ['payment'],
+          expanded: false
+        },
+        {
+          id: 'q6',
+          title: '车辆信息如何绑定？',
+          content: '【个人中心】→ 【车辆管理】→ 【添加车辆】→ 输入车牌号、车型、行驶证照片 → 提交审核。审核通过后，系统将自动关联您的配送任务。未绑定车辆无法接单。',
+          category: ['vehicle'],
+          expanded: false
+        },
+        {
+          id: 'q7',
+          title: '如何查看收入明细？',
+          content: '【个人中心】→ 【收入明细】→ 可按日/周/月筛选 → 查看每笔订单的配送费、奖励、扣款及到账时间。支持导出Excel报表（需企业版权限）。',
+          category: ['payment'],
+          expanded: false
+        },
+        {
+          id: 'q8',
+          title: '任务被取消了怎么办？',
+          content: '若客户取消订单，您将收到系统通知。已完成取货的订单，可申请补偿（路径：任务详情 → 【申请补偿】）；未取货的订单无补偿。每月最多3次无责取消不计入考核。',
+          category: ['order'],
+          expanded: false
+        },
+        {
+          id: 'q9',
+          title: '导航功能不准确？',
+          content: '请检查：① 手机GPS权限是否开启；② 是否使用最新版APP；③ 在【设置】→ 【地图偏好】中切换高德/百度地图。仍无效请反馈至客服，并提供截图+坐标。',
+          category: ['delivery'],
+          expanded: false
+        },
+        {
+          id: 'q10',
+          title: '如何提升评分？',
+          content: '评分由客户评价（70%）+ 系统考核（30%）组成。建议：① 准时送达（≤预计时间）；② 礼貌沟通；③ 主动拍照上传（取货/送达）；④ 避免频繁拒单。当前平均分：4.8/5.0',
+          category: ['delivery', 'account'],
+          expanded: false
+        }
+      ]
+    }
+  },
+  computed: {
+    currentQuestions() {
+      if (this.searchQuery) {
+        return this.searchResults
+      }
+      return this.questions.filter(q => 
+        this.activeCategory === 'all' || q.category.includes(this.activeCategory)
+      )
+    },
+    searchResults() {
+      const query = this.searchQuery.toLowerCase()
+      return this.questions.filter(q => 
+        q.title.toLowerCase().includes(query) || 
+        q.content.toLowerCase().includes(query)
+      )
+    }
+  },
+  methods: {
+    goBack() {
+      uni.navigateBack()
+    },
+
+    onSearch() {
+      // 实时搜索（可加防抖）
+      if (!this.searchQuery) {
+        this.activeCategory = 'all'
+      }
+    },
+
+    clearSearch() {
+      this.searchQuery = ''
+      this.activeCategory = 'all'
+    },
+
+    switchCategory(categoryId) {
+      this.activeCategory = categoryId
+      this.searchQuery = ''
+    },
+
+    toggleExpand(item) {
+      item.expanded = !item.expanded
+      // 关闭其他展开项（可选）
+      // this.questions.forEach(q => { if (q !== item) q.expanded = false })
+    },
+
+    jumpToQuestion(id) {
+      const item = this.questions.find(q => q.id === id)
+      if (item) {
+        item.expanded = true
+        this.activeCategory = 'all'
+        this.searchQuery = ''
+        // 滚动到该问题（简化版）
+        uni.pageScrollTo({ scrollTop: 300, duration: 300 })
+      }
+    },
+
+    contactCustomerService() {
+      uni.showActionSheet({
+        itemList: ['在线客服', '电话咨询', '提交工单'],
+        success: (res) => {
+          if (res.tapIndex === 0) {
+            uni.navigateTo({ url: '/pages/mall/common/customer-service' })
+          } else if (res.tapIndex === 1) {
+            uni.makePhoneCall({ phoneNumber: '400-123-4567' })
+          } else {
+            uni.navigateTo({ url: '/pages/mall/common/feedback?from=help' })
+          }
+        }
+      })
+    }
+  }
+}
+</script>
+
+<style scoped>
+.help-center-container {
+  background-color: #f8f9fa;
+  min-height: 100vh;
+  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+/* 顶部导航 */
+.header-bar {
+  background-color: #fff;
+  padding: 20rpx 30rpx;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 1rpx solid #e9ecef;
+  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.05);
+}
+
+.nav-left {
+  display: flex;
+  align-items: center;
+  cursor: pointer;
+  padding: 10rpx;
+  border-radius: 8rpx;
+  transition: background-color 0.2s ease;
+}
+
+.nav-left:hover {
+  background-color: #f0f0f0;
+}
+
+.nav-left:active {
+  background-color: #e0e0e0;
+}
+
+.nav-icon {
+  font-size: 36rpx;
+  color: #333;
+}
+
+.page-title {
+  font-size: 32rpx;
+  font-weight: bold;
+  color: #333;
+  text-align: center;
+  flex: 1;
+}
+
+.nav-right {
+  width: 60rpx;
+  height: 1rpx;
+}
+
+/* 搜索框 —— 修复放大镜与输入框垂直对齐 */
+.search-bar {
+  padding: 20rpx 30rpx;
+  background-color: #fff;
+}
+
+.search-input-wrapper {
+  display: flex;
+  align-items: center; /* ✅ 垂直居中核心 */
+  background-color: #f5f5f5;
+  border-radius: 40rpx;
+  padding: 12rpx 20rpx;
+}
+
+.search-icon {
+  font-size: 28rpx;
+  color: #999;
+  margin-right: 12rpx;
+  line-height: 1;
+  display: inline-flex;
+  align-items: center;
+  height: 48rpx; /* 与 input 高度一致 */
+}
+
+.search-input {
+  flex: 1;
+  font-size: 26rpx;
+  background: transparent;
+  outline: none;
+  color: #333;
+  height: 48rpx;
+  padding: 0;
+}
+
+/* 分类导航 */
+.category-tabs {
+  background-color: #fff;
+  padding: 0 30rpx 20rpx;
+}
+
+.tabs-scroll {
+  white-space: nowrap;
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+}
+
+.tab-item {
+  display: inline-block;
+  padding: 12rpx 24rpx;
+  margin-right: 16rpx;
+  background-color: #f8f9fa;
+  border-radius: 30rpx;
+  font-size: 26rpx;
+  color: #666;
+  transition: all 0.3s;
+}
+
+.tab-item.active {
+  background-color: #74b9ff;
+  color: white;
+  font-weight: 500;
+}
+
+/* 内容区域 */
+.content-wrapper {
+  padding: 0 30rpx;
+  flex: 1;
+}
+
+.filter-tags {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 15rpx 0;
+  background-color: #e8f4fd;
+  border-radius: 12rpx;
+  margin-bottom: 20rpx;
+}
+
+.tag {
+  font-size: 24rpx;
+  color: #333;
+}
+
+.clear-btn {
+  font-size: 24rpx;
+  color: #74b9ff;
+  padding: 4rpx 12rpx;
+  border-radius: 8rpx;
+}
+
+.question-item {
+  background-color: #fff;
+  border-radius: 16rpx;
+  overflow: hidden;
+  margin-bottom: 20rpx;
+  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.03);
+}
+
+.question-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 24rpx 20rpx;
+  cursor: pointer;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.question-text {
+  font-size: 28rpx;
+  color: #333;
+  font-weight: 500;
+  flex: 1;
+}
+
+.expand-icon {
+  font-size: 32rpx;
+  color: #999;
+  width: 36rpx;
+  text-align: center;
+}
+
+.answer-content {
+  padding: 0 20rpx 20rpx;
+  background-color: #f8f9fa;
+}
+
+.answer-text {
+  font-size: 26rpx;
+  color: #666;
+  line-height: 1.6;
+  white-space: pre-line;
+}
+
+/* 无结果提示 */
+.no-result {
+  text-align: center;
+  padding: 80rpx 30rpx;
+  background-color: #fff;
+  border-radius: 16rpx;
+  margin-top: 20rpx;
+}
+
+.no-result-icon {
+  font-size: 80rpx;
+  color: #e0e0e0;
+  margin-bottom: 20rpx;
+}
+
+.no-result-title {
+  font-size: 32rpx;
+  color: #333;
+  font-weight: bold;
+  margin-bottom: 15rpx;
+}
+
+.no-result-desc {
+  font-size: 26rpx;
+  color: #666;
+  margin-bottom: 25rpx;
+}
+
+.hot-questions {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 12rpx;
+}
+
+.hot-tag {
+  font-size: 24rpx;
+  color: #999;
+  margin-right: 12rpx;
+}
+
+.hot-item {
+  font-size: 24rpx;
+  color: #74b9ff;
+  padding: 4rpx 12rpx;
+  border-radius: 8rpx;
+  background-color: #e8f4fd;
+}
+
+/* 底部联系客服 */
+.contact-footer {
+  padding: 30rpx;
+  background-color: #fff;
+  border-top: 1rpx solid #e9ecef;
+}
+
+.contact-card {
+  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
+  border-radius: 20rpx;
+  padding: 30rpx;
+  color: white;
+  text-align: center;
+}
+
+.contact-title {
+  font-size: 32rpx;
+  font-weight: bold;
+  margin-bottom: 12rpx;
+}
+
+.contact-desc {
+  font-size: 26rpx;
+  opacity: 0.9;
+  line-height: 1.5;
+  margin-bottom: 20rpx;
+}
+
+.contact-btn {
+  width: 100%;
+  height: 80rpx;
+  background-color: white;
+  color: #74b9ff;
+  font-size: 30rpx;
+  font-weight: bold;
+  border-radius: 40rpx;
+  border: none;
+  box-shadow: 0 6rpx 15rpx rgba(0, 0, 0, 0.1);
+}
+</style>