<!--引入原生javax.-->
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
</dependency>

pom.xml引入原生jar

控制器代码

 /**
     * 使用原生API HttpServletRequest;HttpServletResponse
     * 
     */
    @RequestMapping("login3")
    public String loing3(HttpServletRequest request, HttpServletResponse response){
        String name= request.getParameter("name");
        String pwd = request.getParameter("pwd");
        System.out.println(name+"\t\t\t"+pwd);
        return "userlist";
    }