feat(wms/report): 新增自定义导出列顺序功能并优化导出弹窗布局

1. 在ExcelUtil工具类中新增exportExcelOrdered方法，支持按指定顺序的列动态生成表头和数据行进行导出
2. 重构接收报表页面的自定义导出弹窗：将布局拆分为左侧可选列面板和右侧导出顺序面板，支持拖拽排序
3. 新增后端/exportCustomOrdered接口，接收有序字段列表并调用新的导出方法
4. 优化弹窗样式：调整宽度、间距、滚动区域，新增顺序序号和移除按钮
5. 移除原有的/exportCustom接口，统一使用新的有序导出逻辑

klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java

@@ -5,8 +5,6 @@ import java.math.BigDecimal;
 import java.util.List;
 import java.util.Map;
 import java.util.Arrays;
-import java.util.Set;
-import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.stream.Collectors;
 import java.util.HashMap;
@@ -33,7 +31,6 @@ import com.klp.common.core.validate.AddGroup;
 import com.klp.common.core.validate.EditGroup;
 import com.klp.common.enums.BusinessType;
 import com.klp.common.utils.poi.ExcelUtil;
-import com.klp.common.utils.StringUtils;
 import com.klp.domain.bo.WmsMaterialCoilBo;
 import com.klp.domain.bo.WmsMaterialCoilReportSummaryBo;
 import com.klp.domain.vo.dashboard.CoilTrimStatisticsVo;
@@ -135,25 +132,6 @@ public class WmsMaterialCoilController extends BaseController {
         ExcelUtil.exportExcel(list, "钢卷物料表", WmsMaterialCoilExportVo.class, response);
     }
 
-    /**
-     * 个性化导出：前端传入要导出的字段名，仅导出选中列
-     * columns 参数为逗号分隔的 Java 字段名，如 "itemTypeDesc,enterCoilNo,netWeight"
-     * 不传 columns 时等同于 /exportAll 导出全部字段
-     */
-    @Log(title = "钢卷物料表", businessType = BusinessType.EXPORT)
-    @PostMapping("/exportCustom")
-    public void exportCustom(WmsMaterialCoilBo bo,
-                             @RequestParam(required = false) String columns,
-                             HttpServletResponse response) {
-        List<WmsMaterialCoilAllExportVo> list = iWmsMaterialCoilService.queryExportListAll(bo);
-        if (StringUtils.isNotBlank(columns)) {
-            Set<String> includeFields = new HashSet<>(Arrays.asList(columns.split(",")));
-            ExcelUtil.exportExcel(list, "钢卷物料表", WmsMaterialCoilAllExportVo.class, includeFields, response);
-        } else {
-            ExcelUtil.exportExcel(list, "钢卷物料表", WmsMaterialCoilAllExportVo.class, response);
-        }
-    }
-
     /**
      * 获取可导出的列元数据（供前端列选择器使用）
      * 返回 { "fieldName": "中文列名" } 的映射，基于完整导出字段
@@ -198,6 +176,35 @@ public class WmsMaterialCoilController extends BaseController {
         return R.ok(columns);
     }
 
+    /**
+     * 自定义导出（指定列顺序）：前端传入按导出顺序排列的字段名
+     * columnsOrdered 参数为逗号分隔的有序字段名，如 "team,enterCoilNo,netWeight,remark"
+     */
+    @Log(title = "钢卷物料表", businessType = BusinessType.EXPORT)
+    @PostMapping("/exportCustomOrdered")
+    public void exportCustomOrdered(WmsMaterialCoilBo bo,
+                                    @RequestParam String columnsOrdered,
+                                    HttpServletResponse response) {
+        List<WmsMaterialCoilAllExportVo> list = iWmsMaterialCoilService.queryExportListAll(bo);
+        List<String> orderedFields = Arrays.asList(columnsOrdered.split(","));
+        ExcelUtil.exportExcelOrdered(list, "钢卷物料表", orderedFields,
+            getAllExportFieldLabelMap(), response);
+    }
+
+    /**
+     * 从 WmsMaterialCoilAllExportVo 注解中提取字段名->中文列名映射
+     */
+    private Map<String, String> getAllExportFieldLabelMap() {
+        Map<String, String> map = new LinkedHashMap<>();
+        for (java.lang.reflect.Field field : WmsMaterialCoilAllExportVo.class.getDeclaredFields()) {
+            com.alibaba.excel.annotation.ExcelProperty ep = field.getAnnotation(com.alibaba.excel.annotation.ExcelProperty.class);
+            if (ep != null && ep.value().length > 0) {
+                map.put(field.getName(), ep.value()[0]);
+            }
+        }
+        return map;
+    }
+
     /**
      * 导出钢卷物料表列表（完整字段版本）
      * 导出全部字段