SpringInputGeneralFieldTagProcessor 中的 Spring Thymeleaf TemplateProcessingException [英] Spring Thymeleaf TemplateProcessingException in SpringInputGeneralFieldTagProcessor
问题描述
我在控制器方法中创建:
I create in controller method:
@RequestMapping(value = "/user/registration", method = RequestMethod.GET)
public String showRegistrationForm(WebRequest request, Model model) {
UserDto userDto = new UserDto();
model.addAttribute("user", userDto);
return "registration";
}
当我转向 URL localhost:8080/user/registration SpringInputGeneralFieldTagProcessor 时抛出 TemplateProcessingException .
and when I turn to URL localhost:8080/user/registration SpringInputGeneralFieldTagProcessor throw TemplateProcessingException .
org.thymeleaf.exceptions.TemplateProcessingException:期间出错处理器的执行'org.thymeleaf.spring4.processor.SpringInputGeneralFieldTagProcessor'(模板:注册" - 第 12 行，第 36 栏)
org.thymeleaf.exceptions.TemplateProcessingException: Error during execution of processor 'org.thymeleaf.spring4.processor.SpringInputGeneralFieldTagProcessor' (template: "registration" - line 12, col 36)
如何解决这个问题?
注册.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>Registration page</title>
</head>
<body>
<form name='regForm' th:userDto="${user}" th:action="@{/registration}" enctype="utf8" method="post">
<table>
<tr>
<td>User:</td>
<td><input type="text" th:field="*{username}"/></td>
</tr>
<tr>
<td>Email:</td>
<td><input type='email' th:field="*{email}"/></td>
</tr>
<tr>
<td>Password:</td>
<td><input type='password' th:field="*{password}"/></td>
</tr>
<tr>
<td>Matching password:</td>
<td><input type='password' th:field="*{matchingPassword}"/></td>
</tr>
<tr>
<td><input name="submit" type="submit" value="submit" /></td>
</tr>
</table>
</form>
</body>
</html>
我的 UserDto.java
my UserDto.java
package com.eve.web.dto;
import com.eve.validation.ValidEmail;
import org.hibernate.validator.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
public class UserDto {
@NotNull
@NotEmpty
private String username;
@NotNull
@NotEmpty
private String password;
private String matchingPassword;
@ValidEmail
@NotNull
@NotEmpty
private String email;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getMatchingPassword() {
return matchingPassword;
}
public void setMatchingPassword(String matchingPassword) {
this.matchingPassword = matchingPassword;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
推荐答案
既然你在使用 user，你应该添加到你所有的属性 user.
since you are using user, you should add to all your attributes user.
在这里你会找到工作代码`
here you will find the working code `
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>Registration page</title>
</head>
<body>
<form name='regForm' th:userDto="${user}" th:action="@{/registration}" enctype="utf8" method="post">
<table>
<tr>
<td>User:</td>
<td><input type="text" th:field="*{user.username}"/></td>
</tr>
<tr>
<td>Email:</td>
<td><input type='email' th:field="*{user.email}"/></td>
</tr>
<tr>
<td>Password:</td>
<td><input type='password' th:field="*{user.password}"/></td>
</tr>
<tr>
<td>Matching password:</td>
<td><input type='password' th:field="*{user.matchingPassword}"/></td>
</tr>
<tr>
<td><input name="submit" type="submit" value="submit" /></td>
</tr>
</table>
</form>
</body>
</html>
`
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