在没有字段绑定的情况下使用表单错误？
我想知道您是否可以使用
我尝试创建像 Errors.reject("myError") 这样的全局错误，但是如何将其放入 jsp 中？我必须在命令对象中为此创建一个属性吗？
I am wondering whether you can use a <form:errors> tag to display an error that doesn't have a binding to a field in the command object. Basically I want to do some custom validation logic that isn't directly related to a single form element, but perhaps many or all, or none. What if I only wanted to validate forms from 9am to 3pm?
I tried creating a global error like Errors.reject("myError"), but then how do I put this in the jsp? Must I make an attribute just for this in the command object?
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使用 Spring Errors，您可以选择将其用于：
要访问 JSP 中的全局错误，您可以使用不带
path属性的要仅在上午 9 点到下午 3 点之间启用验证，您需要实现自己的验证器。
With Spring Errors you have the choice to use it for:
To access global errors in the JSP, you could use
<form:errors />withoutpathattribute or you can access the error variable in a direct way: (@see http://static.springsource.org/spring/docs/1.2.x/taglib/tag/BindErrorsTag.html for a list of variables)To enable the validation only between 9am to 3pm you need to implement you own validator.