Excel注解支持自定义数据处理器

RuoYi

2021-09-22 a4099cf645628c8f49df230e6787da20cd82cf1b

 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java

@@ -4,6 +4,7 @@
import java.io.InputStream;

import java.io.OutputStream;

import java.lang.reflect.Field;

import java.lang.reflect.Method;

import java.math.BigDecimal;

import java.text.DecimalFormat;

import java.util.ArrayList;

@@ -307,6 +308,10 @@
                        else if (StringUtils.isNotEmpty(attr.readConverterExp()))

                        {

                            val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());

                        }

                        else if (!attr.handler().equals(ExcelHandlerAdapter.class))

                        {

                            val = dataFormatHandlerAdapter(val, attr);

                        }

                        ReflectUtils.invokeSetter(entity, propertyName, val);

                    }

@@ -633,6 +638,10 @@
                {

                    cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());

                }

                else if (!attr.handler().equals(ExcelHandlerAdapter.class))

                {

                    cell.setCellValue(dataFormatHandlerAdapter(value, attr));

                }

                else

                {

                    // 设置列类型

@@ -780,6 +789,28 @@
    }



    /**

     * 数据处理器

     * 
     * @param value 数据值

     * @param excel 数据注解

     * @return

     */

    public String dataFormatHandlerAdapter(Object value, Excel excel)

    {

        try

        {

            Object instance = excel.handler().newInstance();

            Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });

            value = formatMethod.invoke(instance, value, excel.args());

        }

        catch (Exception e)

        {

            log.error("不能格式化数据 " + excel.handler(), e.getMessage());

        }

        return Convert.toStr(value);

    }



    /**

     * 合计统计信息

     */

    private void addStatisticsData(Integer index, String text, Excel entity)