初学springmvc,一个简单的请求转发,结果一直出现500错误。使用return "login"; 就正确,使用return "forward:login";就出现500错误,代码如下,求助啊。同时请教一下return "login";和return "forward:login";的区别,谢谢了
后端Controller中代码:
@RequestMapping(value = "/login",, method = RequestMethod.GET)
public String toLogin() throws ServletException, IOException {
// return "login";//正确
return "forward:login";//出错,HTTP Status 500 – Internal Server Error
}前端html中代码:
<form action="/login" method="get">
<button type="submit" value="去往登录页">去往登录页</button>
</form>使用return "forward:login";的错误:
后端Controller中代码:
@RequestMapping(value = "/login",, method = RequestMethod.GET)
public String toLogin() throws ServletException, IOException {
// return "login";//正确
return "forward:login";//出错,HTTP Status 500 – Internal Server Error
}前端html中代码:
<form action="/login" method="get">
<button type="submit" value="去往登录页">去往登录页</button>
</form>使用return "forward:login";的错误:
forward是服务端跳转
试过了return "forward:/login";,同样的错误。而且我用request.getRequestDispatcher()这样跳转就对了:
@RequestMapping(value = "/login", method = RequestMethod.GET)
public void toLogin(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// return "login";//正确
// return "forward:/login";//出错,HTTP Status 500 – Internal Server Error
request.getRequestDispatcher("WEB-INF/views/login.html").forward(request, response);//正确
}
难道是我的springmvc.xml配置有问题?
试过了return "forward:/login";,同样的错误。而且我用request.getRequestDispatcher()这样跳转就对了:
@RequestMapping(value = "/login", method = RequestMethod.GET)
public void toLogin(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// return "login";//正确
// return "forward:/login";//出错,HTTP Status 500 – Internal Server Error
request.getRequestDispatcher("WEB-INF/views/login.html").forward(request, response);//正确
}
难道是我的springmvc.xml配置有问题?视图解析器 的配置有问题吧