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ailanyin
2023-05-10 17:17:26 +08:00
parent 0af829c451
commit 076a8aed70
91 changed files with 3837 additions and 108 deletions
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27
qiaoba-commons/qiaoba-common-poi/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>qiaoba-commons</artifactId>
<groupId>com.qiaoba</groupId>
<version>1.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>qiaoba-common-poi</artifactId>
<dependencies>
<!-- easypoi -->
<dependency>
<groupId>cn.afterturn</groupId>
<artifactId>easypoi-spring-boot-starter</artifactId>
</dependency>
<!-- Java Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</dependency>
</dependencies>
</project>

39
qiaoba-commons/qiaoba-common-poi/src/main/java/com/qiaoba/common/poi/model/ExcelSetting.java Normal file
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package com.qiaoba.common.poi.model;
import lombok.Data;
import java.io.Serializable;
/**
* Excel导出设置对象
*
* @author ailanyin
* @version 1.0
* @since 2021/10/25 0025 上午 9:15
*/
@Data
public class ExcelSetting implements Serializable {
private static final long serialVersionUID = 1L;
public static final String EXCEL_FIELD_SHOW_FLAG = "1";
private Long id;
private String className;
private String fieldId;
private String fieldName;
private String width;
private Integer sort;
private String show;
private String dateFormat;
private String replace;
}

120
qiaoba-commons/qiaoba-common-poi/src/main/java/com/qiaoba/common/poi/utils/ExcelUtil.java Normal file
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package com.qiaoba.common.poi.utils;
import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
import cn.hutool.core.util.StrUtil;
import com.qiaoba.common.poi.model.ExcelSetting;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.util.IOUtils;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;
/**
* Excel 工具类
*
* @author ailanyin
* @version 1.0
* @since 2021/10/25 0025 上午 9:15
*/
public class ExcelUtil {
/**
* 默认导出
*
* @param list 数据
* @param pojoClass java类
* @param fileName 文件名
* @param response response
*/
public static void exportExcel(List<?> list, Class<?> pojoClass, String fileName, HttpServletResponse response) {
defaultExport(list, pojoClass, fileName, new ExportParams(fileName, fileName, ExcelType.XSSF), response);
}
/**
* 自定义导出
*
* @param list 数据
* @param entities 字段设置
* @param fileName 文件名
* @param response response
*/
public static void exportExcel(List<?> list, List<ExcelExportEntity> entities, String fileName, HttpServletResponse response) {
exportBySettings(list, entities, fileName, new ExportParams(fileName, fileName, ExcelType.XSSF), response);
}
private static void exportBySettings(List<?> list, List<ExcelExportEntity> entities, String fileName, ExportParams exportParams, HttpServletResponse response) {
Workbook workbook = ExcelExportUtil.exportExcel(exportParams, entities, list);
downLoadExcel(fileName, response, workbook);
}
private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName, ExportParams exportParams, HttpServletResponse response) {
Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, list);
downLoadExcel(fileName, response, workbook);
}
private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {
try {
response.setCharacterEncoding("UTF-8");
response.setHeader("content-Type" , "application/vnd.ms-excel");
response.setHeader("Content-Disposition" , "attachment;filename=" + URLEncoder.encode(fileName + ".xlsx" , "UTF-8"));
workbook.write(response.getOutputStream());
IOUtils.closeQuietly(workbook);
} catch (IOException e) {
e.printStackTrace();
}
}
public static <T> List<T> importExcel(MultipartFile file, Class<T> pojoClass) throws IOException {
return importExcel(file.getInputStream(), 1, 1, pojoClass);
}
private static <T> List<T> importExcel(InputStream inputStream, Integer titleRows, Integer headerRows, Class<T> pojoClass) throws IOException {
if (inputStream == null) {
return null;
}
ImportParams params = new ImportParams();
params.setTitleRows(titleRows);
params.setHeadRows(headerRows);
params.setSaveUrl("/excel/");
try {
return ExcelImportUtil.importExcel(inputStream, pojoClass, params);
} catch (NoSuchElementException e) {
throw new IOException("excel文件不能为空");
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
public static List<ExcelExportEntity> createExcelEntry(List<ExcelSetting> settings) {
List<ExcelExportEntity> entities = new ArrayList<>();
for (ExcelSetting setting : settings) {
// 去除隐藏
if (!ExcelSetting.EXCEL_FIELD_SHOW_FLAG.equals(setting.getShow())) {
continue;
}
ExcelExportEntity entity = new ExcelExportEntity(setting.getFieldName(), setting.getFieldId());
entity.setWidth(Double.valueOf(setting.getWidth()));
String replace = setting.getReplace();
if (StrUtil.isNotBlank(replace) && replace.contains(",")) {
entity.setReplace(replace.split(","));
}
entity.setFormat(setting.getDateFormat());
entity.setOrderNum(setting.getSort());
entities.add(entity);
}
return entities;
}
}