添加设置列宽策略

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/poi/excel/EasyPoiExcelExportStylerImpl.java

@@ -50,7 +50,7 @@ public class EasyPoiExcelExportStylerImpl extends AbstractExcelExportStyler
         titleStyle.setFont(font);
         titleStyle.setAlignment(HorizontalAlignment.CENTER);
         titleStyle.setVerticalAlignment(VerticalAlignment.CENTER);
-        return null;
+        return titleStyle;
     }
 
     /**

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/poi/excel/handler/ColumnWidthStyleStrategy.java

@@ -0,0 +1,96 @@
+package com.epmet.commons.tools.utils.poi.excel.handler;
+
+/**
+ * desc:设置columnWith宽度
+ *
+ * @author: LiuJanJun
+ * @date: 2022/4/28 5:05 下午
+ * @version: 1.0
+ */
+
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.Head;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.util.MapUtils;
+import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
+import com.alibaba.excel.write.style.column.AbstractColumnWidthStyleStrategy;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.poi.ss.usermodel.Cell;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * Take the width of the longest column as the width.
+ * <p>
+ * This is not very useful at the moment, for example if you have Numbers it will cause a newline.And the length is not
+ * exactly the same as the actual length.
+ *
+ * @author Jiaju Zhuang
+ */
+public class ColumnWidthStyleStrategy extends AbstractColumnWidthStyleStrategy {
+
+    private static final int MAX_COLUMN_WIDTH = 255;
+    /**
+     * 是否 根据内容设置宽度
+     */
+    private boolean isSetContentWidth = false;
+
+    private final Map<Integer, Map<Integer, Integer>> cache = MapUtils.newHashMapWithExpectedSize(8);
+
+
+
+    @Override
+    protected void setColumnWidth(WriteSheetHolder writeSheetHolder, List<WriteCellData<?>> cellDataList, Cell cell,
+                                  Head head,
+                                  Integer relativeRowIndex, Boolean isHead) {
+        boolean needSetWidth = (isHead || isSetContentWidth) && CollectionUtils.isNotEmpty(cellDataList);
+        if (!needSetWidth) {
+            return;
+        }
+        Map<Integer, Integer> maxColumnWidthMap = cache.computeIfAbsent(writeSheetHolder.getSheetNo(), k -> new HashMap<>(16));
+        Integer columnWidth = dataLength(cellDataList, cell, isHead);
+        if (columnWidth < 0) {
+            return;
+        }
+        if (columnWidth > MAX_COLUMN_WIDTH) {
+            columnWidth = MAX_COLUMN_WIDTH;
+        }
+        Integer maxColumnWidth = maxColumnWidthMap.get(cell.getColumnIndex());
+        if (maxColumnWidth == null || columnWidth > maxColumnWidth) {
+            maxColumnWidthMap.put(cell.getColumnIndex(), columnWidth);
+            writeSheetHolder.getSheet().setColumnWidth(cell.getColumnIndex(), columnWidth * 256);
+        }
+    }
+
+    private Integer dataLength(List<WriteCellData<?>> cellDataList, Cell cell, Boolean isHead) {
+        if (isHead) {
+            return cell.getStringCellValue().getBytes().length+3;
+        }
+        WriteCellData<?> cellData = cellDataList.get(0);
+        CellDataTypeEnum type = cellData.getType();
+        if (type == null) {
+            return -1;
+        }
+        switch (type) {
+            case STRING:
+                return cellData.getStringValue().getBytes().length;
+            case BOOLEAN:
+                return cellData.getBooleanValue().toString().getBytes().length;
+            case NUMBER:
+                return cellData.getNumberValue().toString().getBytes().length;
+            default:
+                return -1;
+        }
+    }
+
+    public ColumnWidthStyleStrategy() {
+
+    }
+
+    public ColumnWidthStyleStrategy(boolean isSetContentWidth) {
+        this.isSetContentWidth = isSetContentWidth;
+    }
+}

epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserExportServiceImpl.java

@@ -278,7 +278,6 @@ public class IcResiUserExportServiceImpl implements IcResiUserExportService {
                 List<String> listOptions = new ArrayList<>();
                 String[] split = vauleStr.split(StrConstant.COMMA);
                 Arrays.stream(split).forEach((value) -> {
-                    //todo 看看怎么更好的利用本地缓存
                     OptionResultDTO optionResultDTO = remoteOptionMap.get(value);
                     if (optionResultDTO != null) {
                         listOptions.add(optionResultDTO.getLabel());