src/org/nutz/mvc/Mvcs.java
public static ServletContext getServletContext() {
        ServletContext cnt = servletContext.get();
        if (cnt != null)
            return cnt;
        return def_servletContext;
    }
public static ServletContext getServletContext() {
        ServletContext cnt = servletContext.get();
        if (cnt != null)
            return cnt;
        return def_servletContext;
    }
获取 Servlet 执行的上下文

@return Servlet 执行的上下文