public class OrderInterceptor implements HandlerInterceptor {
@Autowired
private UserService userService;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
//取用户token
String token = CookieUtils.getCookieValue(request, "TT_TOKEN");
//判断是否为空
if (StringUtils.isBlank(token)) {
//如果为空就是未登录状态
//跳转到登录页面
response.sendRedirect(userService.getLoginUrl() + "?redirect=" + getBaseURL(request));
return false;
} else {
//如果能取到token说明用户可能已经登录
//从sso中取用户信息,判断用户是否登录
TbUser user = userService.getUserByToken(token);
//判断用户是否过期
if (user == null) {
//跳转到登录页面
response.sendRedirect(userService.getLoginUrl() + "?redirect=" + getBaseURL(request));
return false;
} else {
//用户已经登录,把用户信息放到request中
request.setAttribute("user", user);
}
}
//放行
return true;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
// TODO Auto-generated method stub
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
throws Exception {
// TODO Auto-generated method stub
}
private String getBaseURL(HttpServletRequest request) {
String url = request.getScheme()
+ "://"
+ request.getServerName()
+ ":"
+ request.getServerPort()
+ request.getContextPath()
+ request.getRequestURI();
return url;
}
}
springboot 拦截器拦截登录信息HandlerInterceptor
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转载自blog.csdn.net/qq_32784303/article/details/87364392
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