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yifu-social/yifu-social-api/src/main/java/com/yifu/cloud/plus/v1/yifu/social/util/BigDecimalConverter.java

+package com.yifu.cloud.plus.v1.yifu.social.util;
+
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.converters.ReadConverterContext;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.data.ReadCellData;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.math.RoundingMode;
+
+/**
+ * @author hgw
+ * @description easyExcel金额转换类
+ * @date 2022-11-15 11:29:08
+ */
+public class BigDecimalConverter implements Converter<BigDecimal> {
+
+	@Override
+	public Class<BigDecimal> supportJavaTypeKey() {
+		return BigDecimal.class;
+	}
+
+	@Override
+	public CellDataTypeEnum supportExcelTypeKey() {
+		return CellDataTypeEnum.STRING;
+	}
+
+	/**
+	 * 这里读的时候会调用
+	 * @return
+	 */
+	@Override
+	public BigDecimal convertToJavaData(ReadConverterContext<?> context) {
+		BigDecimal value = context.getReadCellData().getNumberValue();
+		if (null == value) {
+			if (null != context.getReadCellData().getStringValue()) {
+				value = new BigDecimal(context.getReadCellData().getStringValue());
+			} else {
+				return null;
+			}
+		}
+		return value.setScale(2, BigDecimal.ROUND_HALF_UP);
+	}
+
+	@Override
+	public BigDecimal convertToJavaData(ReadCellData cellData, ExcelContentProperty contentProperty
+			, GlobalConfiguration globalConfiguration) {
+		return new BigDecimal(cellData.getStringValue()).round(new MathContext(10, RoundingMode.HALF_UP));
+	}
+
+	@Override
+	public WriteCellData<String> convertToExcelData(BigDecimal value, ExcelContentProperty contentProperty
+			,GlobalConfiguration globalConfiguration) {
+		return new WriteCellData<>(String.valueOf(value));
+	}
+
+}
+