java代码:
@Controller
public class TestController {
@RequestMapping("test")
public String test(HttpServletRequest request,
HttpSession session,
HttpServletResponse response, Model model){
// System.out.println("11111111111111111");
System.out.println("22222222222222222");
Customer customer = (Customer) request.getAttribute(
"customer");
return "tml/common/voucher";
}
}
断点打在Customer customer = (Customer) request.getAttribute("customer");
,
但是打印信息只打印了一次!
求解释啊
你这句有问题吧Customer customer = (Customer) request.getAttribute("customer");
request.getAttribute("customer")获得一个String 类型的值,你直接强转成Customer对象
我觉的应该
Customer customer = new Customer();
customer.setCustomer(request.getAttribute("customer"));
或者直接
public String test(HttpServletRequest request,
HttpSession session,HttpServletResponse response, Customer customer){
//把model改为对象,可以直接获得对象,前提是model的属性值和前台提交的属性值名称相同
}
/