修改政府端前端，银行端小程序和后端接口

bank-backend/controllers/loanContractController.js

@@ -40,6 +40,13 @@ const getContracts = async (req, res) => {
       } else if (searchField === 'applicationNumber') {
         // 数据库中实际没有applicationNumber字段，使用id作为替代
         where.id = { [Op.like]: `%${searchValue}%` };
+      } else if (searchField === 'borrowerName') {
+        where.customer_name = { [Op.like]: `%${searchValue}%` };
+      } else if (searchField === 'farmerName') {
+        where.customer_name = { [Op.like]: `%${searchValue}%` };
+      } else if (searchField === 'productName') {
+        // 产品名称搜索暂时不处理，因为数据库中没有这个字段
+        // 可以在前端过滤
       }
     }
 
@@ -72,18 +79,32 @@ const getContracts = async (req, res) => {
       limit
     });
 
-    // 格式化数据
+    // 格式化数据 - 匹配前端期望的字段
     const contracts = rows.map(contract => ({
       id: contract.id,
-      contract_number: contract.contract_number,
-      customer_name: contract.customer_name,
-      customer_phone: contract.customer_phone,
-      customer_id_card: contract.customer_id_card,
-      loan_amount: parseFloat(contract.loan_amount),
-      loan_term: contract.loan_term,
-      interest_rate: parseFloat(contract.interest_rate),
-      contract_date: contract.contract_date,
+      contractNumber: contract.contract_number,
+      applicationNumber: `APP-${String(contract.id).padStart(6, '0')}`, // 生成申请单号
+      productName: '养殖贷款', // 默认产品名称
+      farmerName: contract.customer_name || '未知养殖户',
+      borrowerName: contract.customer_name || '未知借款人',
+      borrowerIdNumber: contract.customer_id_card || '',
+      assetType: '养殖设备', // 默认生资种类
+      applicationQuantity: '1', // 默认申请数量
+      amount: parseFloat(contract.loan_amount),
+      paidAmount: 0, // 默认已还款金额
       status: contract.status,
+      type: 'livestock_collateral', // 默认类型
+      term: contract.loan_term,
+      interestRate: parseFloat(contract.interest_rate),
+      phone: contract.customer_phone || '',
+      purpose: '养殖经营', // 默认用途
+      remark: '', // 默认备注
+      contractTime: contract.contract_date,
+      disbursementTime: null,
+      maturityTime: null,
+      completedTime: null,
+      remainingAmount: parseFloat(contract.loan_amount), // 剩余金额等于贷款金额
+      repaymentProgress: 0, // 默认还款进度
       created_at: contract.created_at,
       updated_at: contract.updated_at
     }));