JAVA讀取本地文件並顯示到頁面中

javaweb圖片的顯示

@RequestMapping(value="showImg")

@ResponseBody

public void ShowImg(HttpServletRequest request,HttpServletResponse response) throws IOException{

//String imgFile = request.getParameter("imgFile"); //文件名

// String path= UrlUtil.getValue("goodsImg");//這裏是存放圖片的文件夾地址

String path = ConfigUtil.getValue("file_upload_url");

String imgFile = "無標題.png";

FileInputStream fileIs=null;

try {

fileIs = new FileInputStream(path+"/"+imgFile);

} catch (Exception e) {

Logger.error(this.getClass(), e);

return;

}

int i=fileIs.available(); //得到文件大小

byte data[]=new byte[i];

fileIs.read(data); //讀數據

response.setContentType("image.png"); //設置返回的文件類型

OutputStream outStream=response.getOutputStream(); //得到向客戶端輸出二進制數據的對象

outStream.write(data); //輸出數據

outStream.flush();

outStream.close();

fileIs.close();

}

var src = address + "/basevalue/showImg";

$("#logo").attr("src",src);