From 9b8f9dcc968e938e8ef388a602139ef065dedc31 Mon Sep 17 00:00:00 2001
From: tanghaihao <850814414@qq.com>
Date: Fri, 18 Aug 2023 17:06:57 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E5=AF=BC=E5=87=BA=E6=8E=92?=
 =?UTF-8?q?=E7=8F=AD=E6=8A=A5=E9=94=99=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 .../duty/controller/ImsDutyMainController.java     |  3 +++
 .../hzims/operational/duty/utils/ExcelTool.java    | 27 ++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/utils/ExcelTool.java

diff --git a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/controller/ImsDutyMainController.java b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/controller/ImsDutyMainController.java
index 48b64ed..df43d2c 100644
--- a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/controller/ImsDutyMainController.java
+++ b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/controller/ImsDutyMainController.java
@@ -10,6 +10,7 @@ import com.hnac.hzims.operational.duty.entity.ImsDutyMainEntity;
 import com.hnac.hzims.operational.duty.entity.ImsDutyMainReportExcel;
 import com.hnac.hzims.operational.duty.service.IImsDutyMainService;
 import com.hnac.hzims.operational.duty.utils.ExcelMergeHandler;
+import com.hnac.hzims.operational.duty.utils.ExcelTool;
 import com.hnac.hzims.operational.duty.vo.ChangeDutyMainVo;
 import com.hnac.hzims.operational.duty.vo.HomePageDutyMainInfoVo;
 import com.hnac.hzims.operational.duty.vo.ImsSchedulingVo;
@@ -246,6 +247,8 @@ public class ImsDutyMainController extends BladeController {
         int mergeRowIndex = 2;
         // 需要合并的列
         int[] mergeColumeIndex = {0};
+
+        ExcelTool.resetCellMaxTextLength();
         // 导出Excel，合并第一列相同内容的单元格
         EasyExcel.write(response.getOutputStream(), ImsDutyMainReportExcel.class)
                 .registerWriteHandler(new ExcelMergeHandler(mergeRowIndex, mergeColumeIndex)).sheet().doWrite(list);
diff --git a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/utils/ExcelTool.java b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/utils/ExcelTool.java
new file mode 100644
index 0000000..a0d56b3
--- /dev/null
+++ b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/duty/utils/ExcelTool.java
@@ -0,0 +1,27 @@
+package com.hnac.hzims.operational.duty.utils;
+
+import org.apache.poi.ss.SpreadsheetVersion;
+
+import java.lang.reflect.Field;
+
+/**
+ * 设置Excel导出的最大字符数
+ * @author tanghaihao
+ * @date 2023年08月18日 16:40
+ */
+public class ExcelTool {
+
+    public static void resetCellMaxTextLength() {
+        SpreadsheetVersion excel2007 = SpreadsheetVersion.EXCEL2007;
+        if (Integer.MAX_VALUE != excel2007.getMaxTextLength()) {
+            Field field;
+            try {
+                field = excel2007.getClass().getDeclaredField("_maxTextLength");
+                field.setAccessible(true);
+                field.set(excel2007, Integer.MAX_VALUE);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}