Merge pull request #3050 from GengMS/v5-dev

Issue#3048: 添加 数字单元格精度据单元格实际数值自动适配新特性;

hutool-poi/src/test/java/cn/hutool/poi/excel/Issue3048Test.java

@@ -0,0 +1,39 @@
+package cn.hutool.poi.excel;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * https://github.com/dromara/hutool/issues/3048 Excel导出javaBean中有BigDecimal类型精度流失
+ *
+ */
+public class Issue3048Test {
+	@Test
+	@Ignore
+	public void excelOutPutBeanListToExcel(){
+		List<TestBean> excelExportList = new ArrayList<>();
+		excelExportList.add(new TestBean("1", new BigDecimal("1.22")));
+		excelExportList.add(new TestBean("2", new BigDecimal("2.342")));
+		excelExportList.add(new TestBean("3", new BigDecimal("1.2346")));
+		ExcelWriter excelWriter = ExcelUtil.getWriter(true);
+		excelWriter.setNumberAutoPrecision(true);
+		excelWriter.write(excelExportList, true);
+		excelWriter.flush(new File("e:/test.xlsx"));
+		excelWriter.close();
+	}
+
+	@Data
+	@AllArgsConstructor
+	static class TestBean{
+		private String testKey;
+		private BigDecimal testValue;
+	}
+}