feat(contract): 添加合同模板管理功能并优化导出逻辑

- 新增合同模板管理组件，支持模板的增删改查
- 优化合同导出功能，从订单项获取产品数据并添加金额大写转换
- 在合同编辑页面添加模板选择功能
- 为字典键值字段添加溢出提示
- 将数据键值输入框改为多行文本框

klp-ui/src/views/crm/contract/components/ContractList.vue

@@ -121,6 +121,7 @@
 
 <script>
 import { listOrder, updateOrder } from "@/api/crm/order";
+import { listOrderItem } from '@/api/crm/orderItem'
 import * as ExcelJS from 'exceljs';
 import { saveAs } from 'file-saver';
 
@@ -197,11 +198,73 @@ export default {
     toggleMoreFilter() {
       this.showMoreFilter = !this.showMoreFilter;
     },
+    convertToChinese(amount) {
+      if (amount === 0) return '零元整'
+      
+      const digits = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']
+      const units = ['', '拾', '佰', '仟']
+      const bigUnits = ['', '万', '亿']
+      
+      let integerPart = Math.floor(amount)
+      let decimalPart = Math.round((amount - integerPart) * 100)
+      
+      let result = ''
+      let unitIndex = 0
+      let bigUnitIndex = 0
+      
+      if (integerPart === 0) {
+        result = '零'
+      } else {
+        while (integerPart > 0) {
+          let section = integerPart % 10000
+          if (section > 0) {
+            let sectionResult = ''
+            let sectionUnitIndex = 0
+            
+            while (section > 0) {
+              let digit = section % 10
+              if (digit > 0) {
+                sectionResult = digits[digit] + units[sectionUnitIndex] + sectionResult
+              } else if (sectionResult && !sectionResult.startsWith('零')) {
+                sectionResult = '零' + sectionResult
+              }
+              section = Math.floor(section / 10)
+              sectionUnitIndex++
+            }
+            
+            result = sectionResult + bigUnits[bigUnitIndex] + result
+          }
+          integerPart = Math.floor(integerPart / 10000)
+          bigUnitIndex++
+        }
+      }
+      
+      result += '元'
+      
+      if (decimalPart === 0) {
+        result += '整'
+      } else {
+        const jiao = Math.floor(decimalPart / 10)
+        const fen = decimalPart % 10
+        if (jiao > 0) {
+          result += digits[jiao] + '角'
+        }
+        if (fen > 0) {
+          result += digits[fen] + '分'
+        }
+      }
+      
+      return result
+    },
     /** 导出合同 */
     async handleExport(row) {
       // 1. 创建excel
       const workbook = new ExcelJS.Workbook();
       const worksheet = workbook.addWorksheet('产品销售合同');
+      let orderItems = [];
+      // 2. 查询合同详情
+      const res = await listOrderItem({ orderId: row.orderId, pageNum: 1, pageSize: 1000 });
+      orderItems = res.rows || [];
 
       // 2. 设置列宽
       worksheet.columns = [
@@ -345,9 +408,33 @@ export default {
         totalAmountInWords: '零元整'
       };
 
-      if (row.productContent) {
+      if (orderItems) {
         try {
-          productData = JSON.parse(row.productContent);
+          // 改为从orderItems中获取产品内容
+          const productName = orderItems[0].productType || '冷硬钢卷';
+          const remark = row.remark || '';
+          const products = orderItems.map(item => ({
+            spec: item.finishedProductSpec || '',
+            material: item.material || '',
+            quantity: parseFloat(item.weight || 0),
+            taxPrice: parseFloat(item.contractPrice || 0),
+            noTaxPrice: parseFloat(item.itemAmount || 0),
+            taxTotal: parseFloat(item.contractPrice) * parseFloat(item.weight || 0),
+            remark: item.remark || ''
+          }));
+
+          const totalQuantity = products.reduce((acc, product) => acc + parseFloat(product.quantity || 0), 0);
+          const totalTaxTotal = products.reduce((acc, product) => acc + parseFloat(product.taxTotal || 0), 0);
+          const totalAmountInWords = this.convertToChinese(totalTaxTotal);
+
+          productData = {
+            products,
+            productName,
+            remark,
+            totalQuantity,
+            totalTaxTotal,
+            totalAmountInWords
+          };
         } catch (error) {
           console.error('解析产品内容失败:', error);
         }