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EXCEL导入导出工具

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.github.zouzhiy.excel.handler;

import io.github.zouzhiy.excel.context.RowContext;
import io.github.zouzhiy.excel.context.SheetContext;
import io.github.zouzhiy.excel.enums.ExcelType;
import io.github.zouzhiy.excel.metadata.config.ExcelFieldConfig;
import io.github.zouzhiy.excel.metadata.result.CellResultSet;

/**
 * @author zouzhiy
 * @since 2022/7/2
 */
public interface CellHandler {

    String DEFAULT_DATA_FORMAT_STRING = "@";

    Class getJavaType();

    ExcelType getExcelType();

    T read(SheetContext sheetContext, ExcelFieldConfig excelFieldConfig, CellResultSet cellResultSet);

    void write(RowContext rowContext, Integer columnIndex, ExcelFieldConfig excelFieldConfig, T value);

    /**
     * 根据数据判断，写入excel影响的行数
     */
    default int getWriteRowspan(T value) {
        return 1;
    }

    default String getDefaultJavaFormat() {
        return "";
    }

    default String getDefaultExcelFormat() {
        return "";
    }


}