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【更新】优化代码，pdf文件预览无需转换

pull/22/head
xuyuxiang 2021-02-23 11:04:33 +08:00
parent ce70caa824
commit 7e2eeaef7c
2 changed files with 43 additions and 14 deletions
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25
xiaonuo-base/xiaonuo-core/src/main/java/com/cn/xiaonuo/core/consts/MediaTypeConstant.java
View File

@ -96,4 +96,29 @@ public interface MediaTypeConstant {
* 文档pptx格式 * 文档pptx格式
*/ */
String DOC_PPTX = "pptx"; String DOC_PPTX = "pptx";
/**
* 文档pdf格式
*/
String DOC_PDF = "pdf";
/**
* 文件html格式
*/
String FILE_HTML = "html";
/**
* 文件htm格式
*/
String FILE_HTM = "htm";
/**
* 文件swf格式
*/
String FILE_SWF = "swf";
/**
* 文件flash格式
*/
String FILE_FLASH = "flash";
} }

32
xiaonuo-base/xiaonuo-core/src/main/java/com/cn/xiaonuo/core/util/LibreOfficeUtil.java
View File

@ -45,19 +45,21 @@ public class LibreOfficeUtil {
* @date 2020/7/6 15:02 * @date 2020/7/6 15:02
*/ */
public static void convertToPdf(InputStream inputStream, OutputStream outputStream, String fileSuffix) { public static void convertToPdf(InputStream inputStream, OutputStream outputStream, String fileSuffix) {
init(); if(!MediaTypeConstant.DOC_PDF.equals(fileSuffix)) {
final DocumentFormatEnum documentFormatEnum = DocumentFormatEnum.valueOf(fileSuffix.toUpperCase()); init();
final DocumentFormat format = documentFormatEnum.getFormFormat(); final DocumentFormatEnum documentFormatEnum = DocumentFormatEnum.valueOf(fileSuffix.toUpperCase());
log.info(">>> 待转换的文档类型：{}", format); final DocumentFormat format = documentFormatEnum.getFormFormat();
final DocumentFormat targetFormat = documentFormatEnum.getTargetFormat(); log.info(">>> 待转换的文档类型：{}", format);
log.info(">>> 转换的目标文档类型：{}", targetFormat); final DocumentFormat targetFormat = documentFormatEnum.getTargetFormat();
try { log.info(">>> 转换的目标文档类型：{}", targetFormat);
final InputStream is = documentFormatEnum.getInputStream(inputStream); try {
documentConverter.convert(is).as(format).to(outputStream).as(targetFormat).execute(); final InputStream is = documentFormatEnum.getInputStream(inputStream);
} catch (IOException | OfficeException e) { documentConverter.convert(is).as(format).to(outputStream).as(targetFormat).execute();
e.printStackTrace(); } catch (IOException | OfficeException e) {
e.printStackTrace();
}
log.info(">>> 文件转换结束");
} }
log.info(">>> 文件转换结束");
} }
/** /**
@ -88,7 +90,8 @@ public class LibreOfficeUtil {
|| MediaTypeConstant.DOC_XLS.equals(fileSuffix) || MediaTypeConstant.DOC_XLS.equals(fileSuffix)
|| MediaTypeConstant.DOC_XLSX.equals(fileSuffix) || MediaTypeConstant.DOC_XLSX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPT.equals(fileSuffix) || MediaTypeConstant.DOC_PPT.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix); || MediaTypeConstant.DOC_PPTX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PDF.equals(fileSuffix);
} }
/** /**
@ -103,7 +106,8 @@ public class LibreOfficeUtil {
|| MediaTypeConstant.DOC_DOC.equals(fileSuffix) || MediaTypeConstant.DOC_DOC.equals(fileSuffix)
|| MediaTypeConstant.DOC_DOCX.equals(fileSuffix) || MediaTypeConstant.DOC_DOCX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPT.equals(fileSuffix) || MediaTypeConstant.DOC_PPT.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix)) { || MediaTypeConstant.DOC_PPTX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PDF.equals(fileSuffix)) {
return MediaType.APPLICATION_PDF_VALUE; return MediaType.APPLICATION_PDF_VALUE;
} else { } else {
//否则是html类型 //否则是html类型