FT/foton-slrs-system-rest
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Merge branch 'develop_migration' into 'develop_master'

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feat: There is no way the,  工作流文件下载

See merge request LiuChao/foton-slrs-system-rest!555
This commit is contained in:
super_liu
2022-07-16 00:27:52 +08:00
parent 1e9779262f fa9284fe8b
commit 65b62da126
1 changed files with 52 additions and 15 deletions
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adc-da-activiti/src/main/java/com/adc/da/workFlow/controller/WorkFlowController.java
+52 -15
View File
@@ -38,6 +38,7 @@ import sun.misc.BASE64Encoder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
@@ -77,23 +78,59 @@ public class WorkFlowController {
// @RequiresPermissions("sys:file:downloadFileForSar")
public void downloadFileForSar(String fileId, String oldFileName, HttpServletResponse response, HttpServletRequest request) throws Exception {
BusProcessModelHis modelHisOne = workFlowFeignClient.processEditFile(fileId);
InputStream is = null;
OutputStream os = null;
// fileUrl为http或https链接
InputStream inputStream = null;
HttpURLConnection conn = null;
response.reset();
try {
String fileOldName = fileNameEncoding(oldFileName,request);
response.setHeader("Content-Disposition", "attachment;filename=\""+fileOldName+"\"");
response.setContentType("application/octet-stream");
File file = new File(downloadUrl+modelHisOne.getEditFilePath());
is = new FileInputStream(file);
os = response.getOutputStream();
org.apache.commons.io.IOUtils.copy(is, os);
os.flush();
} catch (IOException e) {
logger.error(e.getMessage(), e);
} finally {
org.apache.commons.io.IOUtils.closeQuietly(is);
org.apache.commons.io.IOUtils.closeQuietly(os);
File file = new File(downloadUrl+modelHisOne.getEditFilePath());
if(file.exists()){
try {
String fileOldName = fileNameEncoding(oldFileName,request);
response.setHeader("Content-Disposition", "attachment;filename=\""+fileOldName+"\"");
response.setContentType("application/octet-stream");
inputStream = new FileInputStream(file);
os = response.getOutputStream();
org.apache.commons.io.IOUtils.copy(inputStream, os);
os.flush();
} catch (IOException e) {
logger.error(e.getMessage(), e);
} finally {
org.apache.commons.io.IOUtils.closeQuietly(inputStream);
org.apache.commons.io.IOUtils.closeQuietly(os);
}
}else {
URL url;
try {
String fileOldName = fileNameEncoding(oldFileName,request);
response.setHeader("Content-Disposition", "attachment;filename=\""+fileOldName+"\"");
response.setContentType("application/octet-stream");
url = new URL(downloadUrl+modelHisOne.getEditFilePath());
conn = (HttpURLConnection) url.openConnection();
// 设置超时间为5秒
conn.setConnectTimeout(3 * 1000);
// 得到输入流
inputStream = conn.getInputStream();
os = response.getOutputStream();
IOUtils.copy(inputStream, os);
os.flush();
//生成本地文件之类的省略了
} catch (Exception e) {
logger.error(e.getMessage(), e);
} finally {
if (conn != null) {
conn.disconnect();
}
try {
if (inputStream != null) {
inputStream.close();
}
IOUtils.closeQuietly(os);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}