Question

您好我正在使用spring boot 1.5.9.RELEASE并添加了spring-webmvc（4.3.13.RELEASE）依赖项。

当我点击带有某些表单数据的提交按钮时，它会进入服务器并检查是否存在某些错误，并将其打印在控制台上，然后返回到表单输入页面。但是没有打印错误信息。

我使用ModelAttribute对象提交表单，对象定义如下：

@Entity
@Table(name="MEMBER", uniqueConstraints={
        @UniqueConstraint(columnNames={"USER_SEQ"}),
        @UniqueConstraint(columnNames={"USER_EMAIL"}),
        @UniqueConstraint(columnNames={"NICKNAME"})
})
@Data
@NoArgsConstructor
@RequiredArgsConstructor(staticName="of")
public class Member implements Serializable{

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    @Column(name="USER_SEQ", unique=true, nullable=false)
    private Long userSeq; 

    @Email
    @NotNull
    @NonNull
    @Column(name="USER_EMAIL", unique=true, nullable=false, length=50)
    private String userEmail;

    @NotNull
    @NonNull
    @Column(name="USER_PW", nullable=false, length=255)
    private String userPw;

    @NotNull
    @Size(min=2, max=10)
    @NonNull
    @Column(name="NICKNAME", unique=true, nullable=false, length=20)
    private String nickname;

    @OneToOne(mappedBy="member", cascade=CascadeType.ALL)
    private MemberSecurity security;

    @Override
    public String toString() {
        return "Member [userSeq=" + userSeq + ", userEmail=" + userEmail + ", userPw=" + userPw + ", nickname="
                + nickname + "]";
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Member other = (Member) obj;
        if (userSeq == null) {
            if (other.userSeq != null)
                return false;
        } else if (!userSeq.equals(other.userSeq))
            return false;
        return true;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((userSeq == null) ? 0 : userSeq.hashCode());
        return result;
    }
}

在提交通过的控制器中，我编码如下：

    @RequestMapping(value="/join", method=RequestMethod.POST)
    public String join(Model model, @Valid @ModelAttribute("join") Member member, BindingResult bindingResult, RedirectAttributes redirect){

        if(bindingResult.hasErrors()){
            viewNameChooser.joinForm(model);
            System.err.println("ERROR COUNT: " + bindingResult.getErrorCount());
            System.err.println("ERROR FIELD: " + bindingResult.getFieldError().getField());
            System.err.println("ERROR CODE: " + bindingResult.getFieldError().getCode());

            return go();
        }

        redirect.addFlashAttribute("joinSuccess", String.valueOf(memberService.save(member)) );

        return "redirect:/member/login-form";
    }

，控制台输出为：

ERROR COUNT: 1
ERROR FIELD: nickname
ERROR CODE: Size

现在我在classpath中注册了自定义错误消息：META-INF / messages.properties：

Email.member.userEmail=It is not email type text.
NotNull.member.userEmail=Please, type your email id.
NotNull.member.userPw=Please, type your password.
NotNull.member.nickname=Please, type your nickname.
Size.member.nickname=The length of nickname must be greater than or equal 2 and less than or equal 10.

到目前为止一切顺利，但在我的freemarker模板中，没有显示错误消息。我编码如下：

<#assign form=JspTaglibs["http://www.springframework.org/tags/form"] />

<form id="join-form" action="<@spring.url '/member/join' />" method="post" style="width:600px; margin:0 auto;">
    <@spring.bind "join" />

    <#-- skipped -->

    <@form.errors "*" />

    <#-- skipped -->
</form>

＆lt; @ form.errors＆＃34; *＆＃34; /＆GT;

应该包含错误消息，但不是。我在哪里错过了？请帮帮我。

编辑：我修改了控制器方法。

    @RequestMapping(value="/join", method=RequestMethod.POST)
    public ModelAndView join(@Valid @ModelAttribute("join") Member member, BindingResult bindingResult, RedirectAttributes redirect){

        if(bindingResult.hasErrors()){
            //viewNameChooser.joinForm(bindingResult);
            ModelAndView modelAndView = new ModelAndView("template", bindingResult.getModel());
            modelAndView.addObject("viewName", "joinForm");;
            System.err.println("ERROR COUNT: " + bindingResult.getErrorCount());
            System.err.println("ERROR FIELD: " + bindingResult.getFieldError().getField());
            System.err.println("ERROR CODE: " + bindingResult.getFieldError().getCode());

            return modelAndView;
        }

        ModelAndView modelAndView = new ModelAndView("redirect:/member/login-form");
        redirect.addFlashAttribute("joinSuccess", String.valueOf(memberService.save(member)) );

        return modelAndView;
    }

现在我正在使用ModelAndView。

Freemarker和Spring Validation错误消息不会显示错误消息

0 个答案: