// 给img赋图片
<img id = "preview"src="./static/images/img.jpg">
$("#preview").attr("src",img_url+headerurl);
//图片地址
var img_url ="http://localhost:8080/leaseWeb/showImg.shtml?headerUrl=";
@RequestMapping(value = "showImg")
public void ShowImg(HttpServletRequest request, HttpServletResponse response, @RequestParam("headerUrl") String url)
throws IOException {
FileInputStream fileIs = null;
try {
fileIs = new FileInputStream(url);
} catch (Exception e) {
return;
}
int i = fileIs.available();
// 得到文件大小
byte data[] = new byte[i];
fileIs.read(data);
// 读数据
response.setContentType("image/*");
// 设置返回的文件类型
OutputStream outStream = response.getOutputStream();
// 得到向客户端输出二进制数据的对象
outStream.write(data);
// 输出数据
outStream.flush();
outStream.close();
fileIs.close();
}
