easyexcel/src/test/java/com/alibaba/easyexcel/test/demo/write/CustomStringStringConverter.java

package com.alibaba.easyexcel.test.demo.write;

import com.alibaba.excel.converters.Converter;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.metadata.CellData;
import com.alibaba.excel.metadata.GlobalConfiguration;
import com.alibaba.excel.metadata.property.ExcelContentProperty;

/**
 * String and string converter
 *
 * @author Jiaju Zhuang
 */
public class CustomStringStringConverter implements Converter<String> {
    @Override
    public Class supportJavaTypeKey() {
        return String.class;
    }

    @Override
    public CellDataTypeEnum supportExcelTypeKey() {
        return CellDataTypeEnum.STRING;
    }

    /**
     * 这里是读的时候会调用 不用管
     *
     * @param cellData
     *            NotNull
     * @param contentProperty
     *            Nullable
     * @param globalConfiguration
     *            NotNull
     * @return
     */
    @Override
    public String convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
        GlobalConfiguration globalConfiguration) {
        return cellData.getStringValue();
    }

    /**
     * 这里是写的时候会调用 不用管
     *
     * @param value
     *            NotNull
     * @param contentProperty
     *            Nullable
     * @param globalConfiguration
     *            NotNull
     * @return
     */
    @Override
    public CellData convertToExcelData(String value, ExcelContentProperty contentProperty,
        GlobalConfiguration globalConfiguration) {
        return new CellData("自定义：" + value);
    }

}