esayexcel 多sheet導出

多sheet導出

 

public class Test{
    @Data
    @ColumnWidth(20)
    public static class TestVO {
        @ExcelProperty( value = "姓名",index = 0)
        private String name;
        @ExcelProperty( value = "年齡",index = 1)
        private int age;
        @ExcelProperty( value = "學校",index = 2)
        private String school;
    }
     /**
     * 多個sheet導入測試
     * @throws FileNotFoundException
     */
    @Test
    public void sheetImport() throws FileNotFoundException {
        // 輸出流
        OutputStream outputStream = null;
        outputStream = new FileOutputStream(new File("D:/1.xlsx"));

        // 導出的數據
        List<TestVO> dataList = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            TestVO testVO = new TestVO();
            testVO.setAge(i + 20);
            testVO.setName("vo" + i);
            testVO.setSchool("school" + i);
            dataList.add(testVO);
        }

        // 標題
        List<String> headList = Arrays.asList("姓名", "年齡", "學校");

        // 測試多sheel導出
        ExcelWriter excelWriter = EasyExcel.write(outputStream).build();
        WriteSheet test1 = EasyExcel.writerSheet(0, "test1").head(TestVO.class).build();
        WriteSheet test2 = EasyExcel.writerSheet(1, "test2").head(TestVO.class).build();
        excelWriter.write(dataList,test1).write(dataList,test2);
        excelWriter.finish();
    }
}

 

 

        // 表頭樣式
        WriteCellStyle headWriteCellStyle = new WriteCellStyle();
        // 單元格樣式
        WriteCellStyle contentWriteCellStyle = new WriteCellStyle();
        // 初始化表格樣式
        HorizontalCellStyleStrategy horizontalCellStyleStrategy = new HorizontalCellStyleStrategy(headWriteCellStyle, contentWriteCellStyle);
        WriteSheet test1 = EasyExcel.writerSheet(0, "test1").head(TestVO.class).
                registerWriteHandler(horizontalCellStyleStrategy).build();

 

導出效果

 

 

2.2 多sheet導入

public class Test{
    @Data
    @ColumnWidth(20)
    public static class TestVO {
        @ExcelProperty( value = "姓名",index = 0)
        private String name;
        @ExcelProperty( value = "年齡",index = 1)
        private int age;
        @ExcelProperty( value = "學校",index = 2)
        private String school;
    }
    @Data
    @ColumnWidth(20)
    public static class TestVO1 {
        @ExcelProperty( value = "姓名",index = 0)
        private String name;
        @ExcelProperty( value = "年齡",index = 1)
        private int age;
        @ExcelProperty( value = "學校",index = 2)
        private String school;
    }
    /**
     * 測試導入多個sheet導入
     * @throws Exception
     */
    @Test
    public void read() throws Exception {
        String filePath = "D:/1.xlsx";
        InputStream inputStream = null;
        inputStream = new FileInputStream(new File(filePath));
        AnalysisEventListenerImpl<Object> listener = new AnalysisEventListenerImpl<>();
        ExcelReader excelReader = EasyExcel.read(inputStream,listener).build();
        // 第一個sheet讀取類型
        ReadSheet readSheet1 = EasyExcel.readSheet(0).head(TestVO.class).build();
        // 第二個sheet讀取類型
        ReadSheet readSheet2 = EasyExcel.readSheet(1).head(TestVO1.class).build();
        // 開始讀取第一個sheet
        excelReader.read(readSheet1);
        List<Object> list = listener.getDatas();
        list.forEach((user)->{
            TestVO user1= (TestVO) user;
            System.out.println(user1.getName()+", "+user1.getAge()+", "+user1.getSchool());
        });
        // 清空之前的數據
        listener.getDatas().clear();
        // 開始讀取第二個sheet
        excelReader.read(readSheet2);
        System.out.println("---------------------------------");
        List<Object> list2 = listener.getDatas();
        list2.forEach((user)->{
            TestVO1 user2= (TestVO1) user;
            System.out.println(user2.getName()+", "+user2.getAge()+", "+user2.getSchool());
        });
    }
}

　

作者：任未然
鏈接：https://www.jianshu.com/p/7017d94ed924