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文档库--文件预览

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zhn
2022-02-23 19:38:30 +08:00
parent 86effd4efb
commit e28bfa11a6
2 changed files with 128 additions and 67 deletions
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jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
+127 -66
View File
@@ -180,73 +180,73 @@ public class CommonController {
* @param request * @param request
* @param response * @param response
*/ */
// @GetMapping(value = "/download/{id}") @GetMapping(value = "/download/{id}")
// public void view(@PathVariable String id,HttpServletRequest request, HttpServletResponse response) { public void view(@PathVariable String id,HttpServletRequest request, HttpServletResponse response) {
// // 查询数据表数据是否存在 // 查询数据表数据是否存在
// LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>(); LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
// queryWrapper.eq(OSSFile::getId,id); queryWrapper.eq(OSSFile::getId,id);
// OSSFile ossFile = ossFileService.getOne(queryWrapper); OSSFile ossFile = ossFileService.getOne(queryWrapper);
// if( null == ossFile){ if( null == ossFile){
// throw new JeroBootException("文件不存在.."); throw new JeroBootException("文件不存在..");
// } }
// String fileUrl = ossFile.getUrl(); String fileUrl = ossFile.getUrl();
// InputStream inputStream = null; InputStream inputStream = null;
// OutputStream outputStream = null; OutputStream outputStream = null;
// try { try {
// String fileName = ""; String fileName = "";
// if(CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)){ if(CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)){
// //本地下载 //本地下载
// String filePath = uploadpath + File.separator + fileUrl; String filePath = uploadpath + File.separator + fileUrl;
// File file = new File(filePath); File file = new File(filePath);
// if(!file.exists()){ if(!file.exists()){
// response.setStatus(404); response.setStatus(404);
// throw new RuntimeException("文件不存在.."); throw new RuntimeException("文件不存在..");
// } }
// // 文件名称 // 文件名称
// fileName = file.getName(); fileName = file.getName();
// inputStream = new BufferedInputStream(new FileInputStream(filePath)); inputStream = new BufferedInputStream(new FileInputStream(filePath));
// }else if(CommonConstant.UPLOAD_TYPE_MINIO.equals(uploadType)){ }else if(CommonConstant.UPLOAD_TYPE_MINIO.equals(uploadType)){
// // minio 下载 // minio 下载
// // 通过MinioUtil查询时 只需要桶后面的路径 // 通过MinioUtil查询时 只需要桶后面的路径
// String minioUrl = MinioUtil.getMinioUrl(); String minioUrl = MinioUtil.getMinioUrl();
// // Linux/unix 系统下文件路径分隔符为"/" 获取minio与存储桶的路径 // Linux/unix 系统下文件路径分隔符为"/" 获取minio与存储桶的路径
// minioUrl = minioUrl + MinioUtil.getBucketName() + "/"; minioUrl = minioUrl + MinioUtil.getBucketName() + "/";
// String url = fileUrl.replace(minioUrl, ""); String url = fileUrl.replace(minioUrl, "");
// // 文件名称 // 文件名称
// fileName = ossFile.getFileName(); fileName = ossFile.getFileName();
// inputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url); inputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
// } }
// response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1")); response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
// response.setContentType("application/force-download");// 设置强制下载不打开 // response.setContentType("application/force-download");// 设置强制下载不打开
// outputStream = response.getOutputStream(); outputStream = response.getOutputStream();
// byte[] buf = new byte[1024]; byte[] buf = new byte[1024];
// int len; int len;
// while ((len = inputStream.read(buf)) > 0) { while ((len = inputStream.read(buf)) > 0) {
// outputStream.write(buf, 0, len); outputStream.write(buf, 0, len);
// } }
// response.flushBuffer(); response.flushBuffer();
// } catch (IOException e) { } catch (IOException e) {
// log.error("预览文件失败" + e.getMessage()); log.error("预览文件失败" + e.getMessage());
// response.setStatus(404); response.setStatus(404);
// e.printStackTrace(); e.printStackTrace();
// } finally { } finally {
// if (inputStream != null) { if (inputStream != null) {
// try { try {
// inputStream.close(); inputStream.close();
// } catch (IOException e) { } catch (IOException e) {
// log.error(e.getMessage(), e); log.error(e.getMessage(), e);
// } }
// } }
// if (outputStream != null) { if (outputStream != null) {
// try { try {
// outputStream.close(); outputStream.close();
// } catch (IOException e) { } catch (IOException e) {
// log.error(e.getMessage(), e); log.error(e.getMessage(), e);
// } }
// } }
// } }
//
// } }
/** /**
* 下载文件 * 下载文件
* *
@@ -307,6 +307,67 @@ public class CommonController {
} }
} }
}
/**
* 文件预览
*
* @param id 传入文件id
* @param request
* @param response
*/
@GetMapping(value = "/pdf/viewFile")
public void viewFile(String id,HttpServletRequest request, HttpServletResponse response) {
// 查询数据表数据是否存在
LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(OSSFile::getId,id);
OSSFile ossFile = ossFileService.getOne(queryWrapper);
if( null == ossFile){
throw new JeroBootException("文件不存在..");
}
InputStream inputStream = null;
OutputStream outputStream = null;
try {
String fileName = "";
//本地下载
String filePath = ossFile.getUrl();
File file = new File(filePath);
if(!file.exists()){
response.setStatus(404);
throw new RuntimeException("文件不存在..");
}
// 文件名称
fileName = file.getName();
inputStream = new BufferedInputStream(new FileInputStream(filePath));
response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1"));
response.setContentType("application/force-download");// 设置强制下载不打开
outputStream = response.getOutputStream();
byte[] buf = new byte[1024];
int len;
while ((len = inputStream.read(buf)) > 0) {
outputStream.write(buf, 0, len);
}
response.flushBuffer();
} catch (IOException e) {
log.error("文件下载失败" + e.getMessage());
response.setStatus(404);
e.printStackTrace();
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
log.error(e.getMessage(), e);
}
}
if (outputStream != null) {
try {
outputStream.close();
} catch (IOException e) {
log.error(e.getMessage(), e);
}
}
}
} }
/** /**
jero-web/src/views/documentManage/library/docDetail/index.vue
+1 -1
View File
@@ -83,7 +83,7 @@
}) })
}, },
pdfPreview(item){ pdfPreview(item){
window.open('/pdf/web/viewer.html?file=' + encodeURIComponent('/sys/common/download?id=' + item.id)) window.open('/pdf/web/viewer.html?file=' + encodeURIComponent('/jero-boot/sys/common/pdf/viewFile?id=' + item.id))
}, },
download(item) { download(item) {
downloadFile('/sys/common/download', item.fileName, { id: item.id }) downloadFile('/sys/common/download', item.fileName, { id: item.id })