| | |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.io.OutputStream; |
| | | import java.io.UnsupportedEncodingException; |
| | | import java.util.Collection; |
| | | import java.util.List; |
| | |
| | | * @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); |
| | | try { |
| | | resetResponse(sheetName, response); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | exportExcel(list, sheetName, clazz, false, os); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | |
| | | try { |
| | | resetResponse(sheetName, response); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | exportExcel(list, sheetName, clazz, merge, os); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 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 os 输出流 |
| | | */ |
| | | public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, OutputStream os) { |
| | | exportExcel(list, sheetName, clazz, false, os); |
| | | } |
| | | |
| | | /** |
| | | * 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 os 输出流 |
| | | */ |
| | | public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, OutputStream os) { |
| | | ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz) |
| | | .autoCloseStream(false) |
| | | // 自动适配 |
| | |
| | | builder.registerWriteHandler(new CellMergeStrategy(list, true)); |
| | | } |
| | | builder.doWrite(list); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | |
| | | * 例如: excel/temp.xlsx |
| | | * 重点: 模板文件必须放置到启动类对应的 resource 目录下 |
| | | * @param data 模板需要的数据 |
| | | * @param response 响应体 |
| | | */ |
| | | public static void exportTemplate(List<Object> data, String filename, String templatePath, HttpServletResponse response) { |
| | | try { |
| | | resetResponse(filename, response); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | exportTemplate(data, templatePath, os); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 单表多数据模板导出 模板格式为 {.属性} |
| | | * |
| | | * @param templatePath 模板路径 resource 目录下的路径包括模板文件名 |
| | | * 例如: excel/temp.xlsx |
| | | * 重点: 模板文件必须放置到启动类对应的 resource 目录下 |
| | | * @param data 模板需要的数据 |
| | | * @param os 输出流 |
| | | */ |
| | | public static void exportTemplate(List<Object> data, String templatePath, OutputStream os) { |
| | | ClassPathResource templateResource = new ClassPathResource(templatePath); |
| | | ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()) |
| | | ExcelWriter excelWriter = EasyExcel.write(os) |
| | | .withTemplate(templateResource.getStream()) |
| | | .autoCloseStream(false) |
| | | // 大数值自动转换 防止失真 |
| | |
| | | excelWriter.fill(d, writeSheet); |
| | | } |
| | | excelWriter.finish(); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | |
| | | * 例如: excel/temp.xlsx |
| | | * 重点: 模板文件必须放置到启动类对应的 resource 目录下 |
| | | * @param data 模板需要的数据 |
| | | * @param response 响应体 |
| | | */ |
| | | public static void exportTemplateMultiList(Map<String, Object> data, String filename, String templatePath, HttpServletResponse response) { |
| | | try { |
| | | resetResponse(filename, response); |
| | | ServletOutputStream os = response.getOutputStream(); |
| | | exportTemplateMultiList(data, templatePath, os); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 多表多数据模板导出 模板格式为 {key.属性} |
| | | * |
| | | * @param templatePath 模板路径 resource 目录下的路径包括模板文件名 |
| | | * 例如: excel/temp.xlsx |
| | | * 重点: 模板文件必须放置到启动类对应的 resource 目录下 |
| | | * @param data 模板需要的数据 |
| | | * @param os 输出流 |
| | | */ |
| | | public static void exportTemplateMultiList(Map<String, Object> data, String templatePath, OutputStream os) { |
| | | ClassPathResource templateResource = new ClassPathResource(templatePath); |
| | | ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()) |
| | | ExcelWriter excelWriter = EasyExcel.write(os) |
| | | .withTemplate(templateResource.getStream()) |
| | | .autoCloseStream(false) |
| | | // 大数值自动转换 防止失真 |
| | |
| | | } |
| | | } |
| | | excelWriter.finish(); |
| | | } catch (IOException e) { |
| | | throw new RuntimeException("导出Excel异常"); |
| | | } |
| | | } |
| | | |
| | | /** |