调用接收端
@ApiOperation(value = "文件请求展示方法")
@RequestMapping(value = "/showFile", method = RequestMethod.GET)
public void showFile(HttpServletRequest request, HttpServletResponse response) throws Exception {
//获取接口url
String url = "http://127.0.0.1/a/b";
//然后根据表名获取公司信息
HttpPost httppost = new HttpPost(url);
List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("comName", "111111"));
HttpResponse httpResponse = null;
HttpEntity httpEntity = null;
try {
httppost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(30000).setConnectionRequestTimeout(30000)
.setSocketTimeout(30000).build();
httppost.setConfig(requestConfig);
HttpClient httpclient = HttpClients.custom().setRetryHandler(new DefaultHttpRequestRetryHandler()).build();
httpResponse = httpclient.execute(httppost);
}catch (Exception e1) {
logger.error("----------------失败");
}
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {// 请求正常
try {
httpEntity = httpResponse.getEntity();
BufferedInputStream br = new BufferedInputStream(httpEntity.getContent());
byte[] buf = new byte[1024];
int len = 0;
response.reset(); // 非常重要
response.setContentType("application/pdf");
String fileName ="report.pdf";
try {
fileName = httpResponse.getAllHeaders()[5].getValue().split(";")[1].split("=")[1];
} catch (Exception e) {
} response.setHeader("Content-Disposition",
"inline; filename=" + java.net.URLEncoder.encode(fileName, "UTF-8")); OutputStream out = response.getOutputStream();
while ((len = br.read(buf)) != -1)
out.write(buf, 0, len);
br.close();
out.flush(); } catch (Exception e) {
logger.error("解析失败");
}
}else {
logger.error("调用失败");
} }
文件存储方
@ApiOperation(value = "文件支持接口")
@RequestMapping(value = "/getReport", method = RequestMethod.GET)
public Object getReport(HttpServletRequest request,HttpServletResponse response, ModelMap modelMap) {
Map<String, Object> params = WebUtil.getParameterMap(request);
String comName = (String) params.get("comName");
File file = new File("C:\\Users\\Administrator\\Desktop\\滴滴电子发票.pdf"); try {
response.setContentType("application/pdf");
response.setHeader("Content-Disposition",
"inline; filename=" + java.net.URLEncoder.encode(file.getName(), "UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} try {
ServletOutputStream pw = response.getOutputStream();
BufferedInputStream br = new BufferedInputStream(new FileInputStream(file));
byte[] by = new byte[(int) file.length()];
while(br.read(by)!=-1){
pw.write(by);
}
pw.flush();
} catch (IOException e1) {
e1.printStackTrace();
} return null;
}