| | |
| | | |
| | | import cn.hutool.core.util.IdUtil; |
| | | import com.alibaba.excel.EasyExcel; |
| | | import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder; |
| | | import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy; |
| | | import com.ruoyi.common.convert.ExcelBigNumberConvert; |
| | | import com.ruoyi.common.excel.CellMergeStrategy; |
| | | import com.ruoyi.common.excel.DefaultExcelListener; |
| | | import com.ruoyi.common.excel.ExcelListener; |
| | | import com.ruoyi.common.excel.ExcelResult; |
| | | import com.ruoyi.common.utils.StringUtils; |
| | | import com.ruoyi.common.utils.file.FileUtils; |
| | | import lombok.AccessLevel; |
| | | import lombok.NoArgsConstructor; |
| | | |
| | | import javax.servlet.ServletOutputStream; |
| | | import javax.servlet.http.HttpServletResponse; |
| | |
| | | * |
| | | * @author Lion Li |
| | | */ |
| | | @NoArgsConstructor(access = AccessLevel.PRIVATE) |
| | | public class ExcelUtil { |
| | | |
| | | /** |
| | | * 同步导入 |
| | | * 同步导入(适用于小数据量) |
| | | * |
| | | * @param is 输入流 |
| | | * @return 转换后集合 |
| | |
| | | |
| | | |
| | | /** |
| | | * 使用校验监听器处理导入 |
| | | * 使用校验监听器 异步导入 同步返回 |
| | | * |
| | | * @param is 输入流 |
| | | * @param clazz 对象类型 |
| | | * @param isValidate 是否 Validator 检验 默认为是 |
| | | * @param is 输入流 |
| | | * @param clazz 对象类型 |
| | | * @param isValidate 是否 Validator 检验 默认为是 |
| | | * @return 转换后集合 |
| | | */ |
| | | public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, boolean isValidate) { |
| | |
| | | } |
| | | |
| | | /** |
| | | * 使用自定义监听器导入 |
| | | * 使用自定义监听器 异步导入 自定义返回 |
| | | * |
| | | * @param is 输入流 |
| | | * @param clazz 对象类型 |
| | | * @param readListener 自定义监听器 |
| | | * @param is 输入流 |
| | | * @param clazz 对象类型 |
| | | * @param listener 自定义监听器 |
| | | * @return 转换后集合 |
| | | */ |
| | | public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, DefaultExcelListener<T> readListener) { |
| | | EasyExcel.read(is, clazz, readListener).sheet().doRead(); |
| | | return readListener.getExcelResult(); |
| | | public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, ExcelListener<T> listener) { |
| | | EasyExcel.read(is, clazz, listener).sheet().doRead(); |
| | | return listener.getExcelResult(); |
| | | } |
| | | |
| | | /** |
| | |
| | | * |
| | | * @param list 导出数据集合 |
| | | * @param sheetName 工作表的名称 |
| | | * @return 结果 |
| | | * @param clazz 实体类 |
| | | * @param response 响应体 |
| | | */ |
| | | public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) { |
| | | exportExcel(list, sheetName, clazz, false, response); |
| | | } |
| | | |
| | | /** |
| | | * 导出excel |
| | | * |
| | | * @param list 导出数据集合 |
| | | * @param sheetName 工作表的名称 |
| | | * @param clazz 实体类 |
| | | * @param merge 是否合并单元格 |
| | | * @param response 响应体 |
| | | */ |
| | | public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) { |
| | | try { |
| | | String filename = encodingFilename(sheetName); |
| | | response.reset(); |
| | | FileUtils.setAttachmentResponseHeader(response, filename); |
| | | response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8"); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | EasyExcel.write(os, clazz) |
| | | ExcelWriterSheetBuilder builder = 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); |
| | | .sheet(sheetName); |
| | | if (merge) { |
| | | // 合并处理器 |
| | | builder.registerWriteHandler(new CellMergeStrategy(list, true)); |
| | | } |
| | | builder.doWrite(list); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | |
| | | String[] convertSource = converterExp.split(","); |
| | | for (String item : convertSource) { |
| | | String[] itemArray = item.split("="); |
| | | if (StringUtils.containsAny(separator, propertyValue)) { |
| | | if (StringUtils.containsAny(propertyValue, separator)) { |
| | | for (String value : propertyValue.split(separator)) { |
| | | if (itemArray[0].equals(value)) { |
| | | propertyString.append(itemArray[1] + separator); |
| | |
| | | String[] convertSource = converterExp.split(","); |
| | | for (String item : convertSource) { |
| | | String[] itemArray = item.split("="); |
| | | if (StringUtils.containsAny(separator, propertyValue)) { |
| | | if (StringUtils.containsAny(propertyValue, separator)) { |
| | | for (String value : propertyValue.split(separator)) { |
| | | if (itemArray[1].equals(value)) { |
| | | propertyString.append(itemArray[0] + separator); |