@Controllerpublic class UserController {	String scope1 = "snsapi_base"; //不弹授权页面	String scope2 = "snsapi_userinfo"; //弹出授权页面	String scope = scope1;	@RequestMapping("/login.do")	public String login(HttpServletRequest request){		String path = request.getContextPath();		String basePath = request.getScheme()+"://"+request.getServerName()+path+"/";		String url1 = "https"+"://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=";		url1= url1.replace("APPID", Param.APPID);		String url2 = basePath+"index.do&response_type=code&scope="+scope+"&state=STATE#wechat_redirect";		return "redirect:"+url1+url2;	}	@RequestMapping("/index.do")	public String index(String code,ModelMap model,HttpSession session) {		System.out.println("code:"+code);		try {			if(code==null){				return "/login.do";			}			model.addAttribute("ticket",Param.TICKET);			User user = (User) session.getAttribute("user");			if(user==null){				OAuthInfo auth = WeiXinUtil.getAccess_token(code);				if(scope.equals(scope1)){					user = WeiXinUtil.getUser(Param.TOKEN.getAccess_token(), auth.getOpenid(),false);					if(user.getSubscribe().equals("0")){						scope = scope2;						return "/login.do";					}else{						scope = scope1;					}				}else{					user = WeiXinUtil.getUser(auth.getAccess_token(), auth.getOpenid(),true);				}			}			model.addAttribute("user", user);			scope = scope1;			session.setAttribute("user", user);		} catch (Exception e) {			session.removeAttribute("user");			e.printStackTrace();		}		return "index.jsp";	}	}