add test

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

@@ -0,0 +1,46 @@
+package cn.hutool.poi.excel;
+
+import cn.hutool.poi.excel.cell.CellEditor;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import org.apache.poi.ss.usermodel.Cell;
+import org.junit.Assert;
+
+import java.io.Serializable;
+import java.util.List;
+
+public class CellEditorTest {
+
+	@org.junit.Test
+	public void readTest(){
+		ExcelReader excelReader= ExcelUtil.getReader("cell_editor_test.xlsx");
+		excelReader.setCellEditor(new ExcelHandler());
+		List<Test> excelReaderObjects=excelReader.readAll(Test.class);
+
+		Assert.assertEquals("0", excelReaderObjects.get(0).getTest1());
+		Assert.assertEquals("b", excelReaderObjects.get(0).getTest2());
+		Assert.assertEquals("0", excelReaderObjects.get(1).getTest1());
+		Assert.assertEquals("b1", excelReaderObjects.get(1).getTest2());
+		Assert.assertEquals("0", excelReaderObjects.get(2).getTest1());
+		Assert.assertEquals("c2", excelReaderObjects.get(2).getTest2());
+	}
+
+	@AllArgsConstructor
+	@Data
+	public static class Test implements Serializable {
+		private static final long serialVersionUID = 1L;
+
+		private String test1;
+		private String test2;
+	}
+
+	public static class ExcelHandler implements CellEditor {
+		@ Override
+		public Object edit(Cell cell, Object o) {
+			if (cell.getColumnIndex()==0 && cell.getRowIndex() != 0){
+				o="0";
+			}
+			return o;
+		}
+	}
+}