add 增加 导出雪花id excel失真问题

ruoyi-common/src/main/java/com/ruoyi/common/convert/ExcelBigNumberConvert.java

@@ -0,0 +1,51 @@
+package com.ruoyi.common.convert;
+
+import cn.hutool.core.convert.Convert;
+import cn.hutool.core.util.ObjectUtil;
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import lombok.extern.slf4j.Slf4j;
+
+import java.math.BigDecimal;
+
+/**
+ * 大数值转换
+ * Excel 数值长度位15位 大于15位的数值转换位字符串
+ *
+ * @author Lion Li
+ */
+@Slf4j
+public class ExcelBigNumberConvert implements Converter<Long> {
+
+	@Override
+	public Class<Long> supportJavaTypeKey() {
+		return Long.class;
+	}
+
+	@Override
+	public CellDataTypeEnum supportExcelTypeKey() {
+		return CellDataTypeEnum.STRING;
+	}
+
+	@Override
+	public Long convertToJavaData(CellData cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
+		return Convert.toLong(cellData.getData());
+	}
+
+	@Override
+	public CellData<Object> convertToExcelData(Long object, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
+		if (ObjectUtil.isNotNull(object)) {
+			String str = Convert.toStr(object);
+			if (str.length() > 15) {
+				return new CellData<>(str);
+			}
+		}
+		CellData<Object> cellData = new CellData<>(new BigDecimal(object));
+		cellData.setType(CellDataTypeEnum.NUMBER);
+		return cellData;
+	}
+
+}