refactor(credit): 优化Excel导入功能并改进表头匹配

- 移除过时的Excel导入相关依赖和方法
- 使用ExcelImportSupport替代原有的多配置尝试导入方式
- 添加表头文本标准化处理以解决空白字符导致的匹配问题
- 引入ExcelHeaderAlias注解支持表头别名匹配
- 简化导入逻辑并提高表头识别准确性

src/main/java/com/gxwebsoft/credit/controller/CreditUserController.java

@@ -1,9 +1,7 @@
 package com.gxwebsoft.credit.controller;
 
 import cn.afterturn.easypoi.excel.ExcelExportUtil;
-import cn.afterturn.easypoi.excel.ExcelImportUtil;
 import cn.afterturn.easypoi.excel.entity.ExportParams;
-import cn.afterturn.easypoi.excel.entity.ImportParams;
 import com.gxwebsoft.common.core.annotation.OperationLog;
 import com.gxwebsoft.common.core.web.ApiResult;
 import com.gxwebsoft.common.core.web.BaseController;
@@ -205,19 +203,11 @@ public class CreditUserController extends BaseController {
 
         try {
             int sheetIndex = ExcelImportSupport.findSheetIndex(file, "招投标", 0);
-            List<CreditUserImportParam> list = null;
-            int usedTitleRows = 0;
-            int usedHeadRows = 0;
-            int[][] tryConfigs = new int[][]{{1, 1}, {0, 1}, {0, 2}, {0, 3}};
-
-            for (int[] config : tryConfigs) {
-                list = filterEmptyRows(tryImport(file, config[0], config[1], sheetIndex));
-                if (!CollectionUtils.isEmpty(list)) {
-                    usedTitleRows = config[0];
-                    usedHeadRows = config[1];
-                    break;
-                }
-            }
+            ExcelImportSupport.ImportResult<CreditUserImportParam> importResult =
+                ExcelImportSupport.read(file, CreditUserImportParam.class, this::isEmptyImportRow, sheetIndex);
+            List<CreditUserImportParam> list = importResult.getData();
+            int usedTitleRows = importResult.getTitleRows();
+            int usedHeadRows = importResult.getHeadRows();
             if (CollectionUtils.isEmpty(list)) {
                 return fail("未读取到数据，请确认模板表头与示例格式一致", null);
             }
@@ -354,15 +344,6 @@ public class CreditUserController extends BaseController {
         workbook.close();
     }
 
-    private List<CreditUserImportParam> tryImport(MultipartFile file, int titleRows, int headRows, int sheetIndex) throws Exception {
-        ImportParams importParams = new ImportParams();
-        importParams.setTitleRows(titleRows);
-        importParams.setHeadRows(headRows);
-        importParams.setStartSheetIndex(sheetIndex);
-        importParams.setSheetNum(1);
-        return ExcelImportUtil.importExcel(file.getInputStream(), CreditUserImportParam.class, importParams);
-    }
-
     /**
      * 读取“项目名称”列的超链接，按数据行顺序返回。
      */
@@ -379,7 +360,7 @@ public class CreditUserController extends BaseController {
             if (headerRow != null) {
                 for (int c = headerRow.getFirstCellNum(); c < headerRow.getLastCellNum(); c++) {
                     Cell cell = headerRow.getCell(c);
-                    if (cell != null && "项目名称".equals(cell.getStringCellValue())) {
+                    if (cell != null && "项目名称".equals(normalizeHeaderText(cell.getStringCellValue()))) {
                         nameColIndex = c;
                         break;
                     }
@@ -404,14 +385,20 @@ public class CreditUserController extends BaseController {
     }
 
     /**
-     * 过滤掉完全空白的导入行，避免空行导致导入失败
+     * 用于表头匹配：仅做最常见的空白字符规整（避免表头中存在换行/空格导致无法定位列）。
      */
-    private List<CreditUserImportParam> filterEmptyRows(List<CreditUserImportParam> rawList) {
-        if (CollectionUtils.isEmpty(rawList)) {
-            return rawList;
+    private static String normalizeHeaderText(String text) {
+        if (text == null) {
+            return "";
         }
-        rawList.removeIf(this::isEmptyImportRow);
-        return rawList;
+        return text
+            .replace(" ", "")
+            .replace("\t", "")
+            .replace("\r", "")
+            .replace("\n", "")
+            .replace("\u00A0", "")
+            .replace("　", "")
+            .trim();
     }
 
     private boolean isEmptyImportRow(CreditUserImportParam param) {

src/main/java/com/gxwebsoft/credit/param/CreditUserImportParam.java

@@ -1,6 +1,7 @@
 package com.gxwebsoft.credit.param;
 
 import cn.afterturn.easypoi.excel.annotation.Excel;
+import com.gxwebsoft.credit.excel.ExcelHeaderAlias;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
@@ -56,6 +57,7 @@ public class CreditUserImportParam implements Serializable {
     private String procurementName;
 
     @Excel(name = "中标单位")
+    @ExcelHeaderAlias({"中标单位(最多展示50家)"})
     private String winningName;
 
     @Excel(name = "中标金额")