1.使用teymeleaf及属性
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
spring.thymeleaf.servlet.content-type=text/html
spring.thymeleaf.cache=false //禁止缓存,用于开发
spring.thymeleaf.mode=LEGACYHTML5
spring.thymeleaf.encoding=UTF-8
2.拦截器(通过session的属性name判断是否登录,登录放行,未登录记下原来的后缀路径在preurl中,然后重定向到登录页面,就是域名了,request.getRequestURL()完整路径,request.getRequestURI()后缀路径,tempContextUrl是域名,response.sendRedirect()重定向
public class Interceptor1 implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response,Object handler) throws Exception{
HttpSession session=request.getSession();
Object ob=session.getAttribute("name");
if (ob!=null) {
return true;
}
session.setAttribute("preurl",request.getRequestURI());
StringBuffer url = request.getRequestURL();
String tempContextUrl = url.delete(url.length() - request.getRequestURI().length(), url.length()).append(request.getServletContext().getContextPath()).append("/").toString();
response.sendRedirect(tempContextUrl);
return false;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response,
Object handler,ModelAndView model) throws Exception{
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response,
Object handler,Exception ex) throws Exception{
}
}
3.注册拦截器(拦截所有路径,除了/login和静态资源和注册)
@SpringBootApplication
@EnableCaching
public class Application implements WebMvcConfigurer {
@Override
public void addInterceptors(InterceptorRegistry registry){
InterceptorRegistration ir=registry.addInterceptor(new Interceptor1());
ir.addPathPatterns("/**");
ir.excludePathPatterns("/login","/js/**","/html/**","/image/**");
}
}
4登录controller(我这里没验证,返回原来路径或者ok)
@RequestMapping("/login")
@ResponseBody
public String bbb(String name, String password, HttpSession session){
session.setMaxInactiveInterval(1*60); //设置过期时间以秒为单位,会自动刷新
System.err.println(name+' '+password);
session.setAttribute("name",name);
session.setAttribute("password",password);
Object ob=session.getAttribute("preurl");
if (ob!=null) {
return ob.toString();
}
return "ok";
}
5前端处理(根据data跳转到对应的路径)
$.post("/login",
{
name:$("#a").val(),
password:$("#b").val()
},
function(data){
if (data!='ok') {
window.location.href = 'http://' + location.host + data;
}
else window.location.href = 'http://' + location.host + '/main';
}
)