对于RequestScope作用域对象的绑定
我想将RequestParams使用provider绑定，毕竟每一次请求都会获取一次，但是用了provider绑定之后spring启动报错：
Either we are not currently inside an HTTP Servlet request, or you may have forgotten to apply com.google.inject.servlet.GuiceFilter as a servlet filter for this request.
跪求原因
