bug修改

mitao

2024-08-30 6af08bad1986a72fa196afeb04c389c005fab673

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package com.finance.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 java.util.Map;
import lombok.extern.slf4j.Slf4j;
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;
 
@Slf4j
public class TitleHandler implements SheetWriteHandler {
 
    /**
     * 下拉框值
     */
    private Map<Integer, String[]> dropDownMap;
 
    /**
     * 多少行有下拉
     */
    private final static Integer rowSize = 200;
 
    public TitleHandler(Map<Integer, String[]> dropDownMap) {
        this.dropDownMap = dropDownMap;
    }
 
    @Override
    public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder,
            WriteSheetHolder writeSheetHolder) {
 
    }
 
    @Override
    public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder,
            WriteSheetHolder writeSheetHolder) {
        Sheet sheet = writeSheetHolder.getSheet();
        DataValidationHelper helper = sheet.getDataValidationHelper();
 
        dropDownMap.forEach((celIndex, strings) -> {
            // 区间设置
            CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(1, rowSize,
                    celIndex, celIndex);
            // 下拉内容
            DataValidationConstraint constraint = helper.createExplicitListConstraint(strings);
            DataValidation dataValidation = helper.createValidation(constraint,
                    cellRangeAddressList);
            sheet.addValidationData(dataValidation);
        });
    }
}