package?XXXX;

//解決微信掃描APK二維碼空白，不能下載APP的問題
//基于SpringBoot框架轉換二維碼時先在url后加#mp.weixin.qq.com
@RestController
@RequestMapping（“/getApp“）
public?class?getAPP?{
	?@GetMapping
	?public?void?getAPP（@RequestParam（name?=?“fileName“）?String?fileName?HttpServletResponse?response）?throws?ServletException?IOException?{
	????response.setCharacterEncoding（“UTF-8“）;
	????String?aFileName?=?new?String（fileName.getBytes（“iso8859-1“）?“UTF-8“）;
????????File?fileLoad?=?new?File（“服務器物理文件地址“?aFileName）;
????????FileInputStream?in?=?null;
????????OutputStream?out?=?response.getOutputStream（）;
????????byte[]?b?=?new?byte[1024];
????????try?{
????????????response.setHeader（“Content-disposition“
????????????????????“attachment;?filename=“?+?new?String（aFileName.getBytes（“UTF-8“）?“ISO-8859-