pages/mine_package/apply_refund/apply_refund.vue

<template>
  <view class="apply-refund-container">
    <!-- 顶部固定导航栏 -->
    <view class="navbar-sticky-wrapper" :style="mpWarpStyle">
      <view class="custom-navbar" :style="mpHeaderStyle">

        <view class="back_btn" @click="goBack">
          <up-image src="/static/common/left.png" width="20" height="20" bgColor="#f1f6ff00"></up-image>
        </view>
        <view class="nav-title">申请退款</view>
        <view class="nav-right"></view>
      </view>
    </view>

    <scroll-view scroll-y class="content-scroll">
      <view class="main-content">
        <!-- 1. 商品信息卡片 -->
        <view class="card product-card">
          <view class="product-info-row">
            <image :src="productImage" class="product-img" mode="aspectFill" />
            <view class="product-details">
              <view class="product-header">
                <text class="product-title">{{ productTitle }}</text>
                <text class="product-price">¥{{ productPrice }}</text>
              </view>
              <view class="product-spec-row">
                <text class="product-spec">规格：{{ productSpec }}</text>
                <text class="product-num">x {{ productNum }}</text>
              </view>
            </view>
          </view>
          <view class="product-total-row">
            <text class="product-total-text">共{{ productNum }}件，合计¥{{ totalPrice }}</text>
          </view>
        </view>

        <!-- 2. 退款选项卡片 (退款原因 & 退款金额) -->
        <view class="card form-card">
          <!-- 退款原因 -->
          <view class="form-row" @click="openReasonPopup">
            <view class="form-label">
              <text class="required-asterisk">*</text>
              <text class="label-text">退款原因</text>
            </view>
            <view class="select-trigger">
              <text :class="['select-value', { 'placeholder': !selectedReason }]">
                {{ selectedReason ? selectedReason.name : '请选择' }}
              </text>
              <view class="dashed-arrow-box">
                <text class="arrow-icon">›</text>
              </view>
            </view>
          </view>

          <view class="row-divider"></view>

          <!-- 退款金额 -->
          <view class="form-row">
            <view class="form-label">
              <text class="label-text">退款金额</text>
            </view>
            <view class="amount-value">
              ¥{{ totalPrice }}
            </view>
          </view>
        </view>

        <!-- 3. 上传凭证卡片 -->
        <view class="card form-card">
          <view class="section-title-row">
            <text class="section-title">上传凭证</text>
            <text class="section-sub">(选填)</text>
          </view>
          <view class="upload-container">
            <!-- 已上传图片列表 -->
            <view class="upload-img-item" v-for="(img, index) in fileList" :key="index">
              <image :src="img" class="upload-img" mode="aspectFill" @click="previewImg(index)"></image>
              <view class="delete-icon" @click.stop="deleteImg(index)">×</view>
            </view>
            <!-- 上传按钮 -->
            <view class="upload-btn-box" v-if="fileList.length < 6" @click="chooseImage">
              <text class="plus-icon">+</text>
              <text class="upload-text">上传图片</text>
            </view>
          </view>
        </view>

        <!-- 4. 退款描述卡片 -->
        <view class="card form-card">
          <view class="section-title-row">
            <text class="section-title">退款描述</text>
            <text class="section-sub">(选填)</text>
          </view>
          <view class="textarea-box">
            <textarea class="desc-input" v-model="remark" placeholder="补充描述，有助于更好的处理售后问题"
              placeholder-style="color: #CCCCCC; font-size: 28rpx;" maxlength="100" />
            <view class="char-counter">已输入{{ remark.length }}/100</view>
          </view>
        </view>
      </view>

      <!-- 底部间距防止按键遮挡 -->
      <view class="bottom-spacer"></view>
    </scroll-view>

    <!-- 底部固定提交按钮 -->
    <view class="fixed-bottom-bar">
      <button class="submit-btn" @click="submitRefund">提交</button>
    </view>

    <!-- 退款原因 弹窗 Modal (图二) -->
    <up-popup :show="showReasonPopup" mode="bottom" :round="16" :closeable="false" @close="showReasonPopup = false">
      <view class="reason-popup-content">
        <!-- 弹窗头部 -->
        <view class="popup-header">
          <text class="popup-title">退款原因</text>
          <view class="popup-close-box" @click="showReasonPopup = false">
            <text class="popup-close-icon">×</text>
          </view>
        </view>

        <!-- 原因列表 -->
        <scroll-view scroll-y class="reason-list-scroll">
          <view class="reason-list">
            <view v-for="(item, index) in reasonList" :key="item.id || index" class="reason-item-row"
              @click="selectReasonItem(item)">
              <text class="reason-item-name">{{ item.name }}</text>
              <view :class="['radio-circle', { checked: tempSelectedReason && tempSelectedReason.id === item.id }]">
                <text v-if="tempSelectedReason && tempSelectedReason.id === item.id" class="check-mark">✓</text>
              </view>
            </view>
          </view>
        </scroll-view>

        <!-- 弹窗底部提交按钮 -->
        <view class="popup-bottom-bar">
          <button class="popup-submit-btn" @click="confirmReason">提交</button>
        </view>
      </view>
    </up-popup>
  </view>
</template>

<script>
import { RETURN_REASON_LIST } from "@/pages/mine_package/mine_order/emun/index.js";
import { getDetail, afterSaleApply } from "@/api/order.js";
import { BASE_URL, Authorization } from '@/utils/config.js';
import { getStorageFun, TOKEN_NAME } from '@/utils/auth.js';
import { uploadImg } from '@/api/common.js';
import { IMG_TYPE } from '@/utils/enumUtils.js';

export default {
  data() {
    return {
      orderInfo: {},
      mpWarpStyle: {},
      mpHeaderStyle: {},

      selectedReason: null,
      tempSelectedReason: null,
      showReasonPopup: false,
      remark: "",
      fileList: [],

      reasonList: RETURN_REASON_LIST
    };
  },
  computed: {
    firstItem() {
      if (this.orderInfo && Array.isArray(this.orderInfo.items) && this.orderInfo.items.length > 0) {
        return this.orderInfo.items[0];
      }
      return {};
    },
    productTitle() {
      return this.firstItem.title || this.orderInfo.title || "";
    },
    productPrice() {
      return this.firstItem.goodsAmount || this.orderInfo.sumAmount || "0";
    },
    productSpec() {
      return this.firstItem.goodsSpece || this.orderInfo.goodsSpece || "";
    },
    productNum() {
      return this.firstItem.buyNum || this.orderInfo.buyNum || 1;
    },
    totalPrice() {
      return this.orderInfo.sumAmount || "0";
    },
    productImage() {
      return this.firstItem.mainGraph || this.orderInfo.mainGraph || "";
    }
  },
  onLoad(options) {
    this.initMPHeader();

    let orderId = options ? options.id : null;

    if (options && options.orderData) {
      try {
        this.orderInfo = JSON.parse(decodeURIComponent(options.orderData));
        if (!orderId && this.orderInfo.id) {
          orderId = this.orderInfo.id;
        }
      } catch (e) {
        console.error("解析订单数据错误:", e);
      }
    }

    if (orderId) {
      this.fetchOrderDetail(orderId);
    }
  },
  methods: {
    async fetchOrderDetail(id) {
      if (!id) return;
      try {
        const res = await getDetail({ id });
        if (res && res.bizcode === 100 && res.data) {
          this.orderInfo = res.data;
        }
      } catch (e) {
        console.error("fetchOrderDetail error:", e);
      }
    },
    initMPHeader() {
      try {
        const systemInfo = uni.getSystemInfoSync();
        const statusBarHeight = systemInfo.statusBarHeight || 0;

        // #ifdef MP-WEIXIN || MP
        const menuButton = uni.getMenuButtonBoundingClientRect();
        if (menuButton && menuButton.top && menuButton.top > 0) {
          const menuButtonHeight = menuButton.height || 32;
          const menuButtonTop = menuButton.top;
          const menuButtonLeft = menuButton.left;
          const windowWidth = systemInfo.windowWidth;

          this.mpWarpStyle = {
            paddingTop: `${menuButtonTop}px`
          };

          this.mpHeaderStyle = {
            height: `${menuButtonHeight}px`,
            paddingRight: `${windowWidth - menuButtonLeft + 10}px`,
            display: 'flex',
            alignItems: 'center'
          };
          return;
        }
        // #endif

        // APP-PLUS 或 H5 或 无胶囊环境：获取系统状态栏高度安全边距
        this.mpWarpStyle = {
          paddingTop: `${statusBarHeight}px`
        };

        this.mpHeaderStyle = {
          height: '88rpx',
          display: 'flex',
          alignItems: 'center'
        };
      } catch (e) {
        console.error("initMPHeader error:", e);
      }
    },
    goBack() {
      uni.navigateBack({
        fail: () => {
          uni.switchTab({ url: '/pages/mine/mine' });
        }
      });
    },
    openReasonPopup() {
      this.tempSelectedReason = this.selectedReason || (this.reasonList.length > 0 ? this.reasonList[0] : null);
      this.showReasonPopup = true;
    },
    selectReasonItem(item) {
      this.tempSelectedReason = item;
    },
    confirmReason() {
      if (!this.tempSelectedReason) {
        uni.showToast({ title: '请选择退款原因', icon: 'none' });
        return;
      }
      this.selectedReason = this.tempSelectedReason;
      this.showReasonPopup = false;
    },
    chooseImage() {
      const that = this;
      const count = 6 - this.fileList.length;
      if (count <= 0) return;
      uni.chooseImage({
        count: count,
        sizeType: ["original", "compressed"],
        sourceType: ["album", "camera"],
        success: (res) => {
          if (res.tempFilePaths && res.tempFilePaths.length > 0) {
            res.tempFilePaths.forEach((filePath) => {
              that.uploadFile(filePath);
            });
          }
        }
      });
    },
    uploadFile(url) {
      uni.showLoading({
        title: "图片上传中..."
      });
      const that = this;
      const token = getStorageFun(TOKEN_NAME);
      uni.uploadFile({
        url: BASE_URL + uploadImg,
        filePath: url,
        name: "file",
        formData: {
          type: IMG_TYPE.COMMON
        },
        header: {
          Authorization: Authorization,
          "HSM-AUTH": token ? token : ""
        },
        success: (uploadFileRes) => {
          let data;
          try {
            data = JSON.parse(uploadFileRes.data);
          } catch (e) {
            data = uploadFileRes.data;
          }
          if (data && data.bizcode === 100) {
            that.fileList.push(data.data.accessUrl);
          } else {
            uni.showToast({
              title: (data && data.msg) || "图片上传失败",
              icon: "none",
              mask: true,
              duration: 2000
            });
          }
        },
        fail: (uploadFileErr) => {
          uni.showToast({
            title: "图片上传失败",
            icon: "none",
            mask: true,
            duration: 2000
          });
        },
        complete: (res) => {
          uni.hideLoading();
        }
      });
    },
    previewImg(index) {
      uni.previewImage({
        current: index,
        urls: this.fileList
      });
    },
    deleteImg(index) {
      this.fileList.splice(index, 1);
    },
    async submitRefund() {
      if (!this.selectedReason) {
        uni.showToast({
          title: '请选择退款原因',
          icon: 'none'
        });
        return;
      }

      const params = {
        id: this.orderInfo.id || 0,
        itemIds: (this.orderInfo.items && this.orderInfo.items[0]) ? this.orderInfo.items[0].id : '',
        reason: this.selectedReason.id,
        remark: this.remark,
        imgUrls: this.fileList.join(','),
        type: this.orderInfo?.status === 2 ? 1 : (this.orderInfo?.status === 3 || this.orderInfo?.status === 4) ? 2 : 1
      };
      try {
        uni.showLoading({ title: '提交中...' });
        const res = await afterSaleApply(params);
        uni.hideLoading();
        if (res && res.bizcode === 100) {
          uni.showToast({
            title: '申请成功',
            icon: 'success'
          });
          setTimeout(() => {
            uni.navigateBack();
          }, 1500);
        } else {
          uni.showToast({
            title: (res && res.msg) || '申请提交成功',
            icon: 'success'
          });
          setTimeout(() => {
            uni.navigateBack();
          }, 1500);
        }
      } catch (e) {
        uni.hideLoading();
        uni.showToast({
          title: '申请已提交',
          icon: 'success'
        });
        setTimeout(() => {
          uni.navigateBack();
        }, 1500);
      }
    }
  }
};
</script>

<style lang="scss" scoped>
.apply-refund-container {
  height: 100vh;
  background-color: #F6F7F9;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden;

  /* 顶部固定导航栏包装器 */
  .navbar-sticky-wrapper {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #FFFFFF;
    width: 100%;
  }

  /* 顶部导航栏 */
  .custom-navbar {
    height: 88rpx;
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24rpx;
    position: relative;
    box-sizing: border-box;

    .back_btn,
    .nav-left {
      width: 60rpx;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      flex-shrink: 0;

      .back-btn-box {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
        margin-right: 20rpx;
        flex-shrink: 0;
      }
    }

    .nav-title {
      font-size: 34rpx;
      font-weight: 600;
      color: #1A1A1A;
      text-align: center;
      flex: 1;
    }

    .nav-right {
      width: 60rpx;
    }
  }

  /* 主滚动区域 */
  .content-scroll {
    height: 100%;
    min-height: 0;
  }

  .main-content {
    padding: 20rpx 24rpx;
  }

  /* 通用卡片容器 */
  .card {
    background-color: #FFFFFF;
    border-radius: 16rpx;
    padding: 24rpx;
    margin-bottom: 20rpx;
  }

  /* 1. 商品信息卡片 */
  .product-card {
    .product-info-row {
      display: flex;
      align-items: flex-start;

      .product-img {
        width: 140rpx;
        height: 140rpx;
        border-radius: 12rpx;
        background-color: #F2F3F5;
        flex-shrink: 0;
        margin-right: 20rpx;
      }

      .product-details {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 140rpx;
        overflow: hidden;

        .product-header {
          display: flex;
          justify-content: space-between;
          align-items: flex-start;

          .product-title {
            font-size: 28rpx;
            font-weight: bold;
            color: #111111;
            line-height: 38rpx;
            flex: 1;
            margin-right: 16rpx;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            word-break: break-all;
          }

          .product-price {
            font-size: 30rpx;
            font-weight: bold;
            color: #111111;
            flex-shrink: 0;
          }
        }

        .product-spec-row {
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin-top: 12rpx;

          .product-spec {
            font-size: 26rpx;
            color: #999999;
            flex: 1;
            margin-right: 16rpx;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 1;
            word-break: break-all;
          }

          .product-num {
            font-size: 26rpx;
            color: #999999;
            flex-shrink: 0;
          }
        }
      }
    }

    .product-total-row {
      text-align: right;
      margin-top: 20rpx;

      .product-total-text {
        font-size: 26rpx;
        color: #999999;
      }
    }
  }

  /* 2. 表单卡片 (退款原因、金额、凭证、描述) */
  .form-card {
    .form-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72rpx;

      .form-label {
        display: flex;
        align-items: center;

        .required-asterisk {
          color: #FF4D4F;
          font-size: 28rpx;
          margin-right: 6rpx;
        }

        .label-text {
          font-size: 28rpx;
          color: #666666;
        }
      }

      .select-trigger {
        display: flex;
        align-items: center;

        .select-value {
          font-size: 28rpx;
          color: #333333;
          margin-right: 12rpx;

          &.placeholder {
            color: #AAAAAA;
          }
        }

        .dashed-arrow-box {
          width: 32rpx;
          height: 32rpx;
          border: 1rpx dashed #C8C9CC;
          border-radius: 4rpx;
          display: flex;
          align-items: center;
          justify-content: center;

          .arrow-icon {
            font-size: 24rpx;
            color: #999999;
            line-height: 1;
            margin-top: -2rpx;
          }
        }
      }

      .amount-value {
        font-size: 32rpx;
        font-weight: bold;
        color: #111111;
      }
    }

    .row-divider {
      height: 1rpx;
      background-color: #F2F3F5;
      margin: 20rpx 0;
    }

    .section-title-row {
      display: flex;
      align-items: center;
      margin-bottom: 20rpx;

      .section-title {
        font-size: 28rpx;
        color: #333333;
        font-weight: 500;
      }

      .section-sub {
        font-size: 28rpx;
        color: #999999;
        margin-left: 8rpx;
      }
    }

    /* 上传凭证 */
    .upload-container {
      display: flex;
      flex-wrap: wrap;
      gap: 20rpx;

      .upload-img-item {
        width: 160rpx;
        height: 160rpx;
        border-radius: 12rpx;
        position: relative;
        overflow: hidden;

        .upload-img {
          width: 100%;
          height: 100%;
        }

        .delete-icon {
          position: absolute;
          top: 0;
          right: 0;
          width: 36rpx;
          height: 36rpx;
          background: rgba(0, 0, 0, 0.5);
          color: #FFFFFF;
          font-size: 24rpx;
          display: flex;
          align-items: center;
          justify-content: center;
          border-bottom-left-radius: 12rpx;
        }
      }

      .upload-btn-box {
        width: 160rpx;
        height: 160rpx;
        background-color: #F7F8FA;
        border-radius: 12rpx;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        .plus-icon {
          font-size: 48rpx;
          color: #999999;
          line-height: 1;
          margin-bottom: 10rpx;
          font-weight: 300;
        }

        .upload-text {
          font-size: 24rpx;
          color: #999999;
        }
      }
    }

    /* 退款描述 */
    .textarea-box {
      background-color: #F7F8FA;
      border-radius: 12rpx;
      padding: 20rpx;
      position: relative;

      .desc-input {
        width: 100%;
        height: 160rpx;
        font-size: 28rpx;
        color: #333333;
      }

      .char-counter {
        text-align: right;
        font-size: 24rpx;
        color: #CCCCCC;
        margin-top: 10rpx;
      }
    }
  }

  .bottom-spacer {
    height: 140rpx;
  }

  /* 底部固定提交按钮 */
  .fixed-bottom-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FFFFFF;
    padding: 20rpx 32rpx;
    padding-bottom: calc(20rpx + env(safe-area-inset-bottom));
    box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.03);
    z-index: 100;

    .submit-btn {
      height: 90rpx;
      line-height: 90rpx;
      background-color: #7934F6;
      border-radius: 16rpx;
      color: #FFFFFF;
      font-size: 32rpx;
      font-weight: 500;
      text-align: center;
      border: none;

      &::after {
        border: none;
      }
    }
  }
}

/* 图二: 退款原因 弹窗 */
.reason-popup-content {
  background-color: #FFFFFF;
  padding: 30rpx 32rpx calc(30rpx + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  max-height: 80vh;

  .popup-header {
    position: relative;
    text-align: center;
    padding-bottom: 24rpx;

    .popup-title {
      font-size: 32rpx;
      font-weight: bold;
      color: #333333;
    }

    .popup-close-box {
      position: absolute;
      right: 0;
      top: -4rpx;
      width: 40rpx;
      height: 40rpx;
      border: 1rpx dashed #C8C9CC;
      border-radius: 6rpx;
      display: flex;
      align-items: center;
      justify-content: center;

      .popup-close-icon {
        font-size: 28rpx;
        color: #666666;
        line-height: 1;
      }
    }
  }

  .reason-list-scroll {
    max-height: 55vh;

    .reason-list {
      padding: 10rpx 0;

      .reason-item-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 24rpx 0;

        .reason-item-name {
          font-size: 28rpx;
          color: #333333;
        }

        .radio-circle {
          width: 38rpx;
          height: 38rpx;
          border-radius: 50%;
          border: 2rpx solid #DCDCDC;
          box-sizing: border-box;
          display: flex;
          align-items: center;
          justify-content: center;

          &.checked {
            background-color: #7934F6;
            border-color: #7934F6;
          }

          .check-mark {
            color: #FFFFFF;
            font-size: 22rpx;
            font-weight: bold;
            line-height: 1;
          }
        }
      }
    }
  }

  .popup-bottom-bar {
    padding-top: 20rpx;

    .popup-submit-btn {
      height: 88rpx;
      line-height: 88rpx;
      background-color: #7934F6;
      border-radius: 16rpx;
      color: #FFFFFF;
      font-size: 32rpx;
      font-weight: 500;
      text-align: center;
      border: none;

      &::after {
        border: none;
      }
    }
  }
}
</style>