文档智能|OCR 助力 OA，如何实现报销两天到账

const API_CONFIG = {
  baseUrl: 'http://localhost:8080/api/ocr'  // Java 后端服务地址
};

// 调用 OCR API
async function callOCRAPI(imagePath) {
  try {
     // 将本地图片转为 base64
    const base64 = await new Promise((resolve, reject) => {
      uni.getFileSystemManager().readFile({
        filePath: imagePath,
        encoding: 'base64',
        success: res => resolve(res.data),
        fail: err => reject(err)
      });
    });

    // 发起请求
    return await new Promise((resolve, reject) => {
      uni.request({
        url: `${API_CONFIG.baseUrl}/recognize`,
        method: 'POST',
        header: {
          'Content-Type': 'application/json'
        },
        data: {
          imageBase64: base64
        },
        success: (res) => {
          if (res.statusCode === 200 && res.data?.code === 0) {
            resolve(res.data);
          } else {
            reject(new Error(res.data?.message || '识别失败'));
          }
        },
        fail: (err) => {
          reject(err);
        }
      });
    });
  } catch (error) {
    throw error;
  }
}

// 发票查重实现
checkInvoiceExists(number) {
  try {
    const savedInvoices = uni.getStorageSync('invoices');
    if (savedInvoices) {
      const invoices = JSON.parse(savedInvoices);
      return invoices.some(invoice => invoice.number === number);
    }
    return false;
  } catch (error) {
    console.error('检查发票失败:', error);
    return false;
  }
}

// 查重处理
if (this.checkInvoiceExists(response.number)) {
  uni.hideLoading();
  uni.showModal({
    title: '提示',
    content: '该发票已存在，请勿重复添加',
    showCancel: false,
    success: () => {
      this.loading = false;
    }
  });
  return;
}

{
  id: String,          // 发票唯一标识
  imageKey: String,    // 发票图片的存储key
  number: String,      // 发票号码
  type: String,        // 发票类型（增值税专用发票/普通发票/电子发票）
  amount: String,      // 发票金额
  date: String,        // 开票日期
  seller: String,      // 销售方名称
  sellerTaxNo: String, // 销售方纳税人识别号
  buyer: String,       // 购买方名称
  buyerTaxNo: String,  // 购买方纳税人识别号
  items: [             // 发票商品明细
    {
      name: String,    // 商品名称
      spec: String,    // 规格型号
      unit: String,    // 单位
      quantity: String,// 数量
      price: String,   // 单价
      amount: String,  // 金额
      taxRate: String, // 税率
      tax: String      // 税额
    }
  ]
}

switch (AutoName) {
      case '标题':
        invoiceData.type = AutoContent || '电子发票';
        break;
      case '发票号码':
      case '号码':
        invoiceData.number = AutoContent || '';
        break;
      case '开票日期':
        invoiceData.date = AutoContent ? AutoContent.replace('年', '-').replace('月', '-').replace('日', '') : '';
        break;
      case '销售方名称':
      case '销售方信息名称':
        invoiceData.seller = AutoContent || '';
        break;
      case '销售方纳税人识别号':
      case '销售方信息统一社会信用代码/纳税人识别号':
        invoiceData.sellerTaxNo = AutoContent || '';
        break;
      case '购买方名称':
      case '购买方信息名称':
        invoiceData.buyer = AutoContent || '';
        break;
      case '价税合计(小写)':
        invoiceData.amount = AutoContent ? AutoContent.replace('¥', '').replace('￥', '') : '0';
        break;
    }
// ...省略部分代码

<view 
  class="invoice-item"
  @tap="goToDetail(invoice)"
  @longpress="showInvoicePopup(invoice)"
>

<image 
  class="invoice-image" 
  :src="imageUrl" 
  mode="aspectFit"
  @tap="previewImage"
/>

  previewImage() {
  if (this.imageUrl) {
    uni.previewImage({
      urls: [this.imageUrl]
    });
  }
}

filteredInvoices() {
  let result = [...this.invoices];

  // 时间区间筛选
  if (this.startDate || this.endDate) {
    result = result.filter(invoice => {
      const invoiceDate = new Date(invoice.date);
      let isValid = true;

      if (this.startDate) {
        const start = new Date(this.startDate);
        isValid = isValid && invoiceDate >= start;
      }

      if (this.endDate) {
        const end = new Date(this.endDate);
        isValid = isValid && invoiceDate <= end;
      }

      return isValid;
    });
  }

  // 时间排序
  result.sort((a, b) => {
    const dateA = new Date(a.date);
    const dateB = new Date(b.date);
    return this.sortDesc ? dateB - dateA : dateA - dateB;
  });
  return result;
}

  debounce(fn, delay = this.debounceDelay) {
  return (...args) => {
    if (this.searchDebounceTimer) {
      clearTimeout(this.searchDebounceTimer);
    }
    this.searchDebounceTimer = setTimeout(() => {
      fn.apply(this, args);
    }, delay);
  };
}

onDeleteTap(event, invoice) {
  if (event) {
    event.stopPropagation();
  }

  uni.showModal({
    title: '确认删除',
    content: '是否确认删除该发票？',
    confirmColor: '#ff4444',
    showCancel: true,
    success: (res) => {
      if (res.confirm) {
        this.invoices = this.invoices.filter(item => item.id !== invoice.id);
        uni.showToast({
          title: '删除成功',
          icon: 'success'
        });
        this.saveInvoices();
      }
      this.$nextTick(() => {
        invoice.x = 0;
      });
    }
  });
}