HelloGithub/hellogithub
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更新返回图片信息

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This commit is contained in:
cyk
2023-07-08 13:44:01 +08:00
parent 502cb9fb0c
commit 4145be1952
1 changed files with 36 additions and 16 deletions
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52
src/com/hellogithub/servlet/retUserAvServlet.java
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@@ -31,14 +31,16 @@ public class retUserAvServlet extends HttpServlet {
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
HttpSession session = req.getSession(); String username = req.getParameter("username");
userEntity userEntity= null; userEntity userEntity= null;
userEntity=(userEntity)session.getAttribute("user"); userEntity=userService.selectUserByName(username);
if(userEntity != null) if(userEntity != null)
{ {
userEntity = userService.selectUserByName(userEntity.getUserName()); String uri = userEntity.getUserAvatar();
FileInputStream fis = new FileInputStream (userEntity.getUserAvatar()); if(!uri.startsWith("https"))
String type = userEntity.getUserAvatar().substring(userEntity.getUserAvatar().lastIndexOf(".")+1); {
FileInputStream fis = new FileInputStream (uri);
String type = userEntity.getUserAvatar().substring(userEntity.getUserAvatar().lastIndexOf(".")+1);
int size = fis.available(); int size = fis.available();
if(size != 0) if(size != 0)
@@ -53,19 +55,37 @@ public class retUserAvServlet extends HttpServlet {
os.flush(); os.flush();
os.close(); os.close();
} }
}else{
PrintWriter writer = resp.getWriter();
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/html; charset=utf-8");
// 设置响应头允许ajax跨域访问
String curOrigin = req.getHeader("Origin");
resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
resp.setHeader("Access-Control-Allow-Credentials", "true");
resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
resp.setHeader("Access-Control-Max-Age", "3600");
resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
resp.setContentType("application/json;charset=UTF-8");
writer.println(uri);
writer.close();
}
}else{
PrintWriter writer = resp.getWriter();
// resp.setContentType("image/jpeg"); resp.setCharacterEncoding("UTF-8");
// resp.setCharacterEncoding("UTF-8"); resp.setContentType("text/html; charset=utf-8");
// // 设置响应头允许ajax跨域访问 // 设置响应头允许ajax跨域访问
// String curOrigin = req.getHeader("Origin"); String curOrigin = req.getHeader("Origin");
// resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin); resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
// resp.setHeader("Access-Control-Allow-Credentials", "true"); resp.setHeader("Access-Control-Allow-Credentials", "true");
// resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD"); resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
// resp.setHeader("Access-Control-Max-Age", "3600"); resp.setHeader("Access-Control-Max-Age", "3600");
// resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With"); resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
resp.setContentType("application/json;charset=UTF-8");
writer.println("不存在该用户");
writer.close();
} }