这是index.jsp页面的
<form action="${pageContext.request.contextPath}/items1.action">
用户名<input type="text" name="username"><br/>
<input type="submit" value="提交">
</form>
controller类
@Controller
public class ItemsController3 {
@RequestMapping(value="/items1.action")
public ModelAndView select(HttpServletRequest request, String username)throws Exception{
System.out.println("requset方式:"+request.getParameter("username"));
System.out.println("@requsetparam方式:"+username);
List<Items> listitems=new ArrayList<Items>();
Items it=new Items();
it.setId(1);
it.setName("足球");
it.setCost(125);
it.setCreatedate(new Date());
ModelAndView modelAndView =new ModelAndView();
modelAndView.addObject("listitems",listitems);
modelAndView.setViewName("items/items");
return modelAndView;
}
}控制台按理说@requsetparam方式应该拿得到,但是为什么为null,已经在这里抓狂很久了,求大神解答
<form action="${pageContext.request.contextPath}/items1.action">
用户名<input type="text" name="username"><br/>
<input type="submit" value="提交">
</form>
controller类
@Controller
public class ItemsController3 {
@RequestMapping(value="/items1.action")
public ModelAndView select(HttpServletRequest request, String username)throws Exception{
System.out.println("requset方式:"+request.getParameter("username"));
System.out.println("@requsetparam方式:"+username);
List<Items> listitems=new ArrayList<Items>();
Items it=new Items();
it.setId(1);
it.setName("足球");
it.setCost(125);
it.setCreatedate(new Date());
ModelAndView modelAndView =new ModelAndView();
modelAndView.addObject("listitems",listitems);
modelAndView.setViewName("items/items");
return modelAndView;
}
}控制台按理说@requsetparam方式应该拿得到,但是为什么为null,已经在这里抓狂很久了,求大神解答
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货