#修改 Excel插件不兼容问题修改

skyouc

2025-03-13 39d006d651cdf3d813253dad1bde49198cfce8f5

 rsf-server/src/main/java/com/vincent/rsf/server/common/utils/ExcelUtil.java

@@ -1,8 +1,12 @@
package com.vincent.rsf.server.common.utils;

import cn.afterturn.easypoi.excel.annotation.Excel;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import com.vincent.rsf.framework.common.Cools;
import com.vincent.rsf.server.manager.entity.excel.annotation.ExcelComment;
import io.swagger.annotations.ApiModelProperty;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.*;
@@ -20,6 +24,7 @@
/**
 * Created by vincent on 2/17/2024
 */
@Slf4j
public class ExcelUtil {

    public static void build(Workbook workbook, HttpServletResponse response) {
@@ -33,6 +38,10 @@
    }

    public static <T> Workbook create(List<T> list, Class<T> clz) {
        return  create(list, clz, false);
    }

    public static <T> Workbook create(List<T> list, Class<T> clz, boolean flagTemplate) {
        HSSFWorkbook workbook = new HSSFWorkbook();
        Sheet sheet = workbook.createSheet(clz.getSimpleName());

@@ -46,6 +55,15 @@
                continue;
            }
            String memo = "Undefined";
            if (flagTemplate) {
                if (field.isAnnotationPresent(ExcelComment.class)) {
                    memo = field.getAnnotation(ExcelComment.class).value();
                }
            } else {
                if (field.isAnnotationPresent(Excel.class)) {
                    memo = field.getAnnotation(Excel.class).name();
                }
            }
            if (field.isAnnotationPresent(ApiModelProperty.class)) {
                memo = field.getAnnotation(ApiModelProperty.class).value();
            }
@@ -102,4 +120,81 @@
        return params;
    }

    /**
     * 根据 {@code tClass} 相关成员变量的 {@link ExcelComment#example()} 字段创建模拟数据，暂不支持 复杂类型
     * @param tClass
     * @return
     */
    public static <T> T mockData(Class<T> tClass) {
        if (tClass == null) {
            return null;
        }
        T instance = null;

        try {
            instance = tClass.newInstance();
            Field[] declaredFields = tClass.getDeclaredFields();
            for (Field declaredField : declaredFields) {
                ExcelComment comment = declaredField.getAnnotation(ExcelComment.class);
                if (comment == null) {
                    continue;
                }
                declaredField.setAccessible(true);
                Class<?> fieldType = declaredField.getType();

                String exampleValue = comment.example();
                Object value = null;

                if (fieldType == int.class || fieldType == Integer.class) {
                    value = StringUtils.isBlank(exampleValue) ? 0 : Integer.parseInt(exampleValue);
                } else if (fieldType == short.class || fieldType == Short.class) {
                    value = StringUtils.isBlank(exampleValue) ? 0 : Short.parseShort(exampleValue);
                } else if (fieldType == long.class || fieldType == Long.class) {
                    value = StringUtils.isBlank(exampleValue) ? 0 : Long.parseLong(exampleValue);
                } else if (fieldType == double.class || fieldType == Double.class) {
                    value = StringUtils.isBlank(exampleValue) ? 0 : Double.parseDouble(exampleValue);
                } else if (fieldType == boolean.class || fieldType == Boolean.class) {
                    value = StringUtils.isNotBlank(exampleValue) && Boolean.parseBoolean(exampleValue);
                } else if (fieldType == String.class) {
                    value = exampleValue;
                } else if (fieldType == Date.class) {
                    value = DateUtils.parse(exampleValue);
                }

                if (value == null && !isBaseType(fieldType)) {
                    declaredField.set(instance, null);
                } else {
                    declaredField.set(instance, value);
                }
            }
        } catch (Exception e) {
            log.error("数据构造失败，请查询详细信息", e);
            return instance;
        }

        return instance;
    }


    /**
     * 是否是基础数据类型
     *
     * @param className
     * @return
     */
    private static boolean isBaseType(Class<?> className) {
        if (className.equals(java.lang.Integer.class) ||
                className.equals(java.lang.Byte.class) ||
                className.equals(java.lang.Long.class) ||
                className.equals(java.lang.Double.class) ||
                className.equals(java.lang.Float.class) ||
                className.equals(java.lang.Character.class) ||
                className.equals(java.lang.Short.class) ||
                className.equals(java.lang.Boolean.class)) {
            return true;
        }
        return false;
    }


}