解决资产负债表无法导出的问题

Bailun.DC.Web/Areas/Reports/Controllers/FinanceController.cs

@@ -214,9 +214,32 @@ namespace Bailun.DC.Web.Areas.Reports.Controllers
             });
         }
 
-        public ActionResult ExportIndex(int type, DateTime day, int paycompanyvalue)
+        public ActionResult ExportIndex(int type, DateTime? day, int paycompanyvalue)
         {
-            var date = day;
+            var date = DateTime.Now.AddDays(-1);
+
+            if (type == 2) //按周
+            {
+                if (date.DayOfWeek == DayOfWeek.Saturday)
+                {
+                    date = date.AddDays(-1);
+                }
+                else if (date.DayOfWeek == DayOfWeek.Sunday)
+                {
+                    date = date.AddDays(-2);
+                }
+                else
+                {
+                    date = date.AddDays(-2 - (int)date.DayOfWeek);
+                }
+            }
+            else if (type == 3) //按月
+            {
+                if (date.AddDays(1).ToString("yyyy-MM") == date.ToString("yyyy-MM"))
+                {
+                    date = DateTime.Parse(date.ToString("yyyy-MM") + "-01").AddDays(-1);
+                }
+            }
 
             var list = new Services.FinanceReportServices().GetBalanceSheet(type, date, paycompanyvalue);