平台端 当前季度数据接口

mitao

2024-04-07 5980a5fed8092f9866cb2f6a8b74abb7d631c018

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
package com.ruoyi.system.handler;
 
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import lombok.Data;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
 
import java.util.Map;
 
@Data
public class SelectedSheetWriteHandler implements SheetWriteHandler {
    private Map<Integer, String[]> selectedMap;
 
    public SelectedSheetWriteHandler(Map<Integer, String[]> selectedMap) {
        this.selectedMap = selectedMap;
    }
 
    @Override
    public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
        //获取sheet页
        Sheet sheet = writeSheetHolder.getSheet();
        int firstRow = writeSheetHolder.getHead().get(0).size() + 1;
        ///开始设置下拉框
        DataValidationHelper helper = sheet.getDataValidationHelper();
        for (Map.Entry<Integer, String[]> entry : selectedMap.entrySet()) {
            /***起始行、终止行、起始列、终止列**/
            CellRangeAddressList addressList = new CellRangeAddressList(firstRow, firstRow, entry.getKey(), entry.getKey());
            /***设置下拉框数据**/
            DataValidationConstraint constraint = helper.createExplicitListConstraint(entry.getValue());
            DataValidation dataValidation = helper.createValidation(constraint, addressList);
            /***处理Excel兼容性问题**/
            if (dataValidation instanceof XSSFDataValidation) {
                dataValidation.setSuppressDropDownArrow(true);
                dataValidation.setShowErrorBox(true);
            } else {
                dataValidation.setSuppressDropDownArrow(false);
            }
            sheet.addValidationData(dataValidation);
        }
    }
}