我是 thymeleaf 的新手。 我需要创建由 Controller (PersonController 类)的路径和对象 ID(我从列表中获取)组成的链接。我希望列表中的每个Person 对象都有自己的链接,如下所示:href="/personData/person.id'。 这是我的代码,它给了我一个错误 org.thymeleaf.exceptions.TemplateInputException: 模板解析期间发生错误:
<div th:each="person : ${persons}" th:with="hrefToPerson=${/personData/ + ${person.id}}">
<a th:href=hrefToPerson>Edit</a>
<p th:text="${person.id} + ' ' + ${person.getLastName()} + ' ' + ${person.getFirstName()} + ' ' + ${person.getPatronymic()}"/>
<p>Phones:</p>
<ol>
<li th:each="phone: ${person.getPhoneNumbers()}" th:text="${phone.getType()} + ' ' + ${phone.getNumber()}"></li>
</ol>
<p>Address: </p>
<ol>
<li th:each="address:${person.addresses}" th:text="${address.getZipCode()} + ', ' + ${address.getCountry()} +
', ' + ${address.getRegion()} + ', ' + ${address.getCity()} + ', ' + ${address.getAddressLine2()} + ' ' + ${address.getAddressLine1()}"></li>
</ol>
</div>
Controller :
@Controller
@RequestMapping("/personData")
public class PersonController {
@Autowired
private PersonRepository personRepo;
@GetMapping("{person}")
public String personEditForm(@PathVariable Person person, Model model) {
model.addAttribute("person", person);
return "personEdit";
}
@PostMapping
public String personSave(@RequestParam Person person, Model model) {
return "personEdit";
}
}
<小时/>
类人:
@Entity
@NamedQuery(name = "Person.findByPhone",
query = "select p from Person as p join p.phoneNumbers as pn where pn.number = :number")
@Table(uniqueConstraints={
@UniqueConstraint(columnNames = {"lastName", "firstName", "patronymic"})
})
public class Person {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private Integer id;
private String lastName;
@NotNull
private String firstName;
private String patronymic;
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(name = "person_phone_numbers", joinColumns = @JoinColumn(name = "person_id"))
private Set<PhoneNumber> phoneNumbers = new HashSet<>();
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(name = "person_addresses", joinColumns = @JoinColumn(name = "person_id"))
@AttributeOverrides({
@AttributeOverride(name = "addressLine1", column = @Column(name = "house_number")),
@AttributeOverride(name = "addressLine2", column = @Column(name = "street"))
})
private Set<Address> addresses = new HashSet<>();
public Person() {
}
public Person(String lastName, String firstName, String patronymic,
Set<PhoneNumber> phoneNumbers, Set<Address> addresses) {
this.lastName = lastName;
this.firstName = firstName;
this.patronymic = patronymic;
this.phoneNumbers = phoneNumbers;
this.addresses = addresses;
}
getter 和 setter ... }
最佳答案
它的结构应该是这样的:
<div th:each="person: ${persons}">
<a th:href="@{/personData/{id}(id=${person.id})}">Edit</a>
请参阅standard url syntax 。您可以使用 th:with
执行相同的表达式,但我看不出您有任何理由要这样做,除非您重用该网址。
<div th:each="person: ${persons}" th:with="hrefToPerson=@{/personData/{id}(id=${person.id})}">
<a th:href="${hrefToPerson}">Edit</a>
关于java - 如何从 thymeleaf 中的两个部分创建链接?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51769571/