为什么模板中未显示来自validate()方法的错误消息? [英] Why error message from validate() method is not displayed in the template?

问题描述

重新发布的原因:我已经发布了此问题

Reason for Re-posting: I have already posted this question HERE , but I haven't got any answer but a comment which wasn't clear. So I am thinking to post it back again for some help.

SO

我有一种验证方法来检查两个密码(密码和确认密码)是否匹配.

I have a got a validation method for checking if both passwords (Password & Confirm password) have been matched or not.

这是我的验证方法:

public String validate() {
if (!this.password.equals(this.passwordConfirm)) {
    return "Passwords do not match";
}
return null;
}

在我的scala中，我有以下内容.

And in my scala I have got as following.

 @if(accountForm.hasGlobalErrors) {
     <p class="error">
     @accountForm.globalError.message
     </p>
 }

 @if(flash.contains("success")) {
    <p class="success">
    @flash.get("success")
    </p>
 }

 @helper.inputPassword(accountForm("password"),'_label -> "Password",     'placeholder -> "**********")
 @helper.inputPassword(accountForm("passwordConfirm"),'_label -> "Confirm Password", 'placeholder -> "**********")

问题:但是，在字段中输入了两个不同的密码后，一切都按预期工作，但未显示从validate()方法返回的错误消息.我不知道为什么.以下是我的CSS错误.

QUESTION : Everything is working as expected BUT when two different passwords have been entered in the fields, it is NOT displaying the error message returned from validate() method. I have no idea why. Following is my CSS for error.

p.error{
   border-style: outset;
   border-radius: 5px; 
   color: red;
   font-weight: bold;
   background-color: white;
   padding: 10px 10px 10px 10px;
}

更新:我从评论中得知，我已经丢失了一些动作，但是我不太明白.我是新手，非常感谢您提供任何明确的帮助.

UPDATE : I got to know from a comment that, I HAVE BEEN MISSING some action but I didn't quite get it. I am new to this stuff, any clear help is much appreciated.

更新:我尝试按以下方式在validate()方法中编写return语句:

UPDATE : I have tried writing the return statement in validate() method as below:

return Context.current().flash().put("error", "Passwords do not match");

这都不起作用！问题是，它显示了return语句，但是在保存了本不应该发生的页面之后！

This neither worked! The problem with this is that, it is displaying the return statement but after saving the page which shouldn't be happening!

推荐答案

我无法发表评论(必须拥有50个声誉)，因此我将在此处提出问题.绑定请求中的表单的控制器操作的内容是什么?

I can't comment (must have 50 reputation to do), so I'll ask the question here. What's the content of your controller action that binds the form from the request?

您必须具有以下内容:

public final Result submit() {
    Result result = null;

    Form<Something> boundForm = Form.form(Something.class).bindFromRequest();
    if (boundForm.hasErrors()) {
        result = badRequest(sometemplate.render(boundForm));
    } else {
        potentiallyDoSomethingWith(boundForm.get());
        result = redirect(route.Application.somewhere());
    }
    return result;
}

不是吗?

这篇关于为什么模板中未显示来自validate()方法的错误消息?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！