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问题描述
我无法使用 thymleaf 模板捕获 html 表单中的任何验证.
表单对象 -
公共类TestForm {....@Pattern(regexp = "[a-zA-Z]*", message = "仅字符")私人字符串字段1;....吸气剂/二传手}
html 代码 -
<form action="#" th:action="@{/create}" th:object="${testForm}" method="post" ><div><标签>字段 1:</label><input type="text" th:field="${testForm.field1}" name="field1"/><div th:if="${#fields.hasErrors('field1')}" th:errors="*{field1}">errors</div>
<input type="submit" value="Submit"/></表单>
控制器 -
@RequestMapping(method= RequestMethod.POST, value = "/create")public String createTest(@Valid @ModelAttribute("testForm") TestForm testForm, MultipartHttpServletRequest request, BindingResult bindingResult) 抛出 IOException {如果 (bindingResult.hasErrors())返回创建测试表单";
没有报错,表单提交成功.
解决方案
我觉得麻烦是因为你放置的 BindingResult 不正确.用MultipartHttpServletRequest替换它,它必须在验证参数之后:
@RequestMapping(method= RequestMethod.POST, value = "/create")public String createTest(@Valid @ModelAttribute("testForm") TestForm testForm, BindingResult bindingResult, MultipartHttpServletRequest request) 抛出 IOException {如果 (bindingResult.hasErrors())返回创建测试表单";
I am unable to catch any validation in html form using thymleaf template.
Form Object -
public class TestForm {
....
@Pattern(regexp = "[a-zA-Z]*", message = "Only characters")
private String field1;
....
getter/setters
}
html code -
<div id="main">
<form action="#" th:action="@{/create}" th:object="${testForm}" method="post" >
<div>
<label> Field1:</label>
<input type="text" th:field="${testForm.field1}" name="field1" />
<div th:if="${#fields.hasErrors('field1')}" th:errors="*{field1}">errors</div>
</div>
<input type="submit" value="Submit" />
</form>
</div>
controller -
@RequestMapping(method= RequestMethod.POST, value = "/create")
public String createTest(@Valid @ModelAttribute("testForm") TestForm testForm, MultipartHttpServletRequest request, BindingResult bindingResult) throws IOException {
if (bindingResult.hasErrors())
return "createtestform";
No error is thrown and form gets submitted successfully.
解决方案
I think the trouble because you placed BindingResult incorrect.Replace it with MultipartHttpServletRequest, it must be after the validating parameter:
@RequestMapping(method= RequestMethod.POST, value = "/create")
public String createTest(@Valid @ModelAttribute("testForm") TestForm testForm, BindingResult bindingResult, MultipartHttpServletRequest request) throws IOException {
if (bindingResult.hasErrors())
return "createtestform";
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