1
我应该怎么下载在spring.know注释与验证工作是在我的课例如未知吹塑代码:我应该在哪里下载与jsr-303在春季一起工作?
public String register2(@Valid User user , BindingResult br)
{
if(br.hasErrors())
{
return "edit";
}
//System.out.println("you registers!");
return "thanks";
}
@Valid是未知的,我应该下载工作,JSR-303标准。其中库在春天mcv?我应该在哪里下载? 以及我如何在eclipse中设置helious
? 感谢
编辑:我的代码附加=>
我控制器=>
package codes;
import java.util.Map;
import javax.validation.Valid;
import javax.validation.Validator;
import org.apache.jasper.tagplugins.jstl.core.Out;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.BindingResultUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.portlet.ModelAndView;
@org.springframework.stereotype.Controller
public class Controller {
@RequestMapping(value="/register/" , method=RequestMethod.GET)
public String register(Model model)
{
model.addAttribute("myUser",new User());
return "edit";
}
@RequestMapping(value="/register/" , method=RequestMethod.POST)
public String register2(ModelAndView model,@Valid User myUser , BindingResult br)
{
try
{
if(br.hasErrors())
{
return "edit";
}
else
{
System.out.println(myUser);
System.out.println(myUser.getName());
System.out.println(myUser.getFamily());
System.out.println("salam");
return "thanks";
}
}
catch (Exception e) {
// TODO: handle exception
System.out.println(e.getMessage());
}
return "thanks";
}
}
我的文件edit.jsp(形式)=>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib prefix="sf" uri="http://www.springframework.org/tags/form" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Register</title>
</head>
<body>
<div>
<sf:form method="post" modelAttribute="myUser" >
<label for="USER_NAME">name:</label>
<sf:input path="name" id="USER_NAME"/>
<sf:errors path="name" ></sf:errors>
<br>
<label for="USER_FAMILY">family:</label>
<sf:input path="family" id="USER_FAMILY"/>
<br>
<input type="submit" value="REGISTER" />
</sf:form>
</div>
</body>
</html>
注意:只有当我的用户对象是invalide我得到异常,当thatz有效我不给予免除
我添加了所有这些,但我给:java.lang.NoSuchMethodError:org.slf4j.impl.StaticLoggerBinder.getSingleton()Lorg/slf4j/impl/StaticLoggerBinder; –
尝试添加slf4j-log4j * .jar和log4j * .jar以及。 – craftsman
现在当我运行在tomcat我给:log4j:警告没有appender可以发现记录器(org.apache.commons.digester.Digester.sax)。 log4j:WARN请正确初始化log4j系统。 log4j:WARN请参阅http://logging.apache.org/log4j/1.2/faq.html#noconfig了解更多信息。当我在jboss中运行时,我给了:java.lang.IllegalStateException:BindingResult和bean名称'user'的普通目标对象都不可用作为请求属性 –