| | |
| | | import cn.hutool.core.util.IdUtil; |
| | | import com.alibaba.excel.EasyExcel; |
| | | import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy; |
| | | import com.ruoyi.common.utils.DictUtils; |
| | | import com.ruoyi.common.convert.ExcelBigNumberConvert; |
| | | import com.ruoyi.common.utils.StringUtils; |
| | | import com.ruoyi.common.utils.file.FileUtils; |
| | | import org.apache.poi.ss.formula.functions.T; |
| | | |
| | | import javax.servlet.ServletOutputStream; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.net.URLEncoder; |
| | | import java.nio.charset.StandardCharsets; |
| | | import java.util.List; |
| | | |
| | | /** |
| | | * Excel相关处理 |
| | | * |
| | | * @author ruoyi |
| | | * @author Lion Li |
| | | */ |
| | | public class ExcelUtil { |
| | | |
| | |
| | | * @return 转换后集合 |
| | | */ |
| | | public static <T> List<T> importExcel(InputStream is, Class<T> clazz) { |
| | | return EasyExcel.read(is).autoCloseStream(false).sheet().doReadSync(); |
| | | return EasyExcel.read(is).head(clazz).autoCloseStream(false).sheet().doReadSync(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 对excel表单默认第一个索引名转换成list(EasyExcel) |
| | | * |
| | | * @param is 输入流 |
| | | * @return 转换后集合 |
| | | */ |
| | | public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, boolean isValidate, boolean skipException) { |
| | | ExcelListener<T> listener = new ExcelListener<>(isValidate, skipException); |
| | | EasyExcel.read(is, clazz, listener).sheet().doRead(); |
| | | return listener.getExcelResult(); |
| | | } |
| | | |
| | | /** |
| | | * 对list数据源将其里面的数据导入到excel表单(EasyExcel) |
| | |
| | | try { |
| | | String filename = encodingFilename(sheetName); |
| | | response.reset(); |
| | | response.addHeader("Access-Control-Allow-Origin", "*"); |
| | | response.addHeader("Access-Control-Expose-Headers", "Content-Disposition"); |
| | | FileUtils.setAttachmentResponseHeader(response, URLEncoder.encode(filename, StandardCharsets.UTF_8.toString())); |
| | | FileUtils.setAttachmentResponseHeader(response, filename); |
| | | response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8"); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | EasyExcel.write(os, clazz) |
| | | .autoCloseStream(false) |
| | | // 自动适配 |
| | | .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) |
| | | // 大数值自动转换 防止失真 |
| | | .registerConverter(new ExcelBigNumberConvert()) |
| | | .sheet(sheetName).doWrite(list); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | |
| | | } |
| | | } |
| | | return StringUtils.stripEnd(propertyString.toString(), separator); |
| | | } |
| | | |
| | | /** |
| | | * 解析字典值 |
| | | * |
| | | * @param dictValue 字典值 |
| | | * @param dictType 字典类型 |
| | | * @param separator 分隔符 |
| | | * @return 字典标签 |
| | | */ |
| | | public static String convertDictByExp(String dictValue, String dictType, String separator) { |
| | | return DictUtils.getDictLabel(dictType, dictValue, separator); |
| | | } |
| | | |
| | | /** |
| | | * 反向解析值字典值 |
| | | * |
| | | * @param dictLabel 字典标签 |
| | | * @param dictType 字典类型 |
| | | * @param separator 分隔符 |
| | | * @return 字典值 |
| | | */ |
| | | public static String reverseDictByExp(String dictLabel, String dictType, String separator) { |
| | | return DictUtils.getDictValue(dictType, dictLabel, separator); |
| | | } |
| | | |
| | | /** |