JAVA之InputStream加載網絡圖片(填充到src)


@RequestMapping(value = "/queryCompanyImage", method = RequestMethod.GET)
@ResponseBody
public Result queryCompanyImage(HttpServletRequest request, HttpServletResponse response) throws IOException {
Result result = new Result();

try {
Long fileId = Long.valueOf(request.getParameter("fileOssId"));

InputStream fileOssRecordInputStream = null;

fileOssRecordInputStream = ossHelpService.downloadPriFile(fileId);//這是一個阿里雲OSS下載圖片得到InputStream的方法

BufferedInputStream reader = new BufferedInputStream(fileOssRecordInputStream);
BufferedOutputStream writer = new BufferedOutputStream(response.getOutputStream());

byte[] bytes = new byte[1024 * 1024];
int length = reader.read(bytes);
while ((length > 0)) {
writer.write(bytes, 0, length);
length = reader.read(bytes);
}
reader.close();
writer.close();

result.setSuccess(true);
} catch (Exception ex) {
log.error("獲取產品圖片異常", ex);
return new Result(false, "獲取產品圖片異常");
}
return result;

}

<img src='${pageContext.request.contextPath }/rest/companyBorrow/queryCompanyImage?fileOssId=" + companyImage.fileOssId + "' style='width: 200px;height: 150px'/>





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