Java 具有BindingResult属性的Spring验证从未命中目标控制器方法
我提交了一份表格以上载文件:Java 具有BindingResult属性的Spring验证从未命中目标控制器方法,java,spring-mvc,validation,spring-validator,Java,Spring Mvc,Validation,Spring Validator,我提交了一份表格以上载文件: <form id="uploadForm" action="#" method="POST" enctype="multipart/form-data"> <div class="instruction popup_inst"> <span class="popup_logo">[@spring.message "pandaLogo"/]</span> <div clas
<form id="uploadForm" action="#" method="POST" enctype="multipart/form-data">
<div class="instruction popup_inst">
<span class="popup_logo">[@spring.message "pandaLogo"/]</span>
<div class="float_right">
<input type="button" id="cancelBtn" class="btn" onclick="closePopupFunctionality();" value="[@spring.message "cancelButton"/]" />
<input class="btn" type="submit" id="submit" onclick="validateFileInput();" value="[@spring.message "uploadButton"/]" />
</div>
</div>
<span class="popup_title">[@spring.message "uploadFile"/]</span>
<div class="popup_container">
[@spring.bind "assayAssessmentsRequestBean"/]
[@spring.formInput path="assayAssessmentsRequestBean.designabilityFile.file" fieldType="file" attributes="title='path' class='upload' accept='.txt,.csv,.zip'" /]
[@spring.formHiddenInput path="assayAssessmentsRequestBean.dateOfAssessment" attributes="" /]
[@spring.formHiddenInput path="assayAssessmentsRequestBean.id" attributes="" /]
[@spring.showErrors " " "error" /]
</div>
<input id="uploadfile" type="hidden" value="${uploadfile}"/>
</form>
发生的情况是,该方法从未被调用,当我删除BindingResult属性时,该方法被调用
我尝试了另一种方法,即使用BeanPropertyBindingResult属性并传递要验证的目标对象,它可以工作,但从不返回错误
@RequestMapping(value = "/uploadFile",method= RequestMethod.POST)
public ModelAndView uploadFile(@ModelAttribute(value = "assayAssessmentsRequestBean")AssayAssessmentsRequestBean assayAssessmentsRequestBean,HttpSession session/*,BindingResult result*/) throws PanDaApplicationException {
logger.info(assayAssessmentsRequestBean.getDesignabilityFile().getFile());
BindingResult result=new BeanPropertyBindingResult(assayAssessmentsRequestBean.getDesignabilityFile(),"designabilityFile");
在要验证的对象之前应该有@Valid注释,并且BindingResult必须紧跟在验证对象之后 所以这应该可以完成任务
public ModelAndView uploadFile(@Valid @ModelAttribute(
value = "assayAssessmentsRequestBean")AssayAssessmentsRequestBean assayAssessmentsRequestBean,BindingResult result,
HttpSession session) {
}
然后,您应该定义自己的验证器并将其设置为活页夹。验证器将被自动调用。
但我不确定是否可以用这种方式对多部分进行验证。在要验证的对象之前应该有@Valid注释,并且BindingResult必须紧跟在验证的对象之后 所以这应该可以完成任务
public ModelAndView uploadFile(@Valid @ModelAttribute(
value = "assayAssessmentsRequestBean")AssayAssessmentsRequestBean assayAssessmentsRequestBean,BindingResult result,
HttpSession session) {
}
然后,您应该定义自己的验证器并将其设置为活页夹。验证器将被自动调用。
但是我不确定您是否可以用这种方式对multipart进行验证。它实际上起作用了,原因是您告诉我“认为BindingResult应该紧跟在验证对象之后”谢谢:-)您可以删除“think the BindingResult应该紧跟在验证对象之后”并替换为“BindingResult必须紧跟在经过验证的对象之后。”(这篇文章刚刚保存了我的理智!)它实际上起作用了,原因是,我从您那里得知“认为BindingResult应该紧跟在经过验证的对象之后”谢谢:-)您可以删除认为BindingResult应该紧跟在已验证对象之后”,并替换为“BindingResult必须紧跟在已验证对象之后。”(这篇文章刚刚保存了我的理智!)