使用idea的spring框架做一个具有登录功能和增删改查的功能的通讯录源码

很抱歉，我无法为您提供完整的源代码，但我可以给您提供一些指导和建议以帮助您开始。

首先，您需要设置一个Spring Boot项目并添加所需的依赖项。您可能需要以下依赖项：

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
    </dependency>

    <dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
        <scope>runtime</scope>
    </dependency>

    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
</dependencies>

接下来，您需要创建一个简单的联系人类，如下所示：

@Data
@Entity
public class Contact {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @NotBlank
    private String name;

    @Email
    @NotBlank
    private String email;

    @NotBlank
    private String phone;

    public Contact() {}

    public Contact(String name, String email, String phone) {
        this.name = name;
        this.email = email;
        this.phone = phone;
    }
}

然后，您需要创建一个联系人存储库接口，如下所示：

@Repository
public interface ContactRepository extends JpaRepository<Contact, Long> {}

接下来，您需要创建一个联系人服务接口和实现，如下所示：

public interface ContactService {
    List<Contact> getAllContacts();
    void saveContact(Contact contact);
    void deleteContact(Long id);
    Contact getContactById(Long id);
}

@Service
public class ContactServiceImpl implements ContactService {

    @Autowired
    private ContactRepository contactRepository;

    @Override
    public List<Contact> getAllContacts() {
        return contactRepository.findAll();
    }

    @Override
    public void saveContact(Contact contact) {
        contactRepository.save(contact);
    }

    @Override
    public void deleteContact(Long id) {
        contactRepository.deleteById(id);
    }

    @Override
    public Contact getContactById(Long id) {
        Optional<Contact> optionalContact = contactRepository.findById(id);
        return optionalContact.orElse(null);
    }
}

然后，您需要创建一个控制器类，如下所示：

@Controller
public class ContactController {

    @Autowired
    private ContactService contactService;

    @GetMapping("/")
    public String home(Model model) {
        List<Contact> contacts = contactService.getAllContacts();
        model.addAttribute("contacts", contacts);
        return "home";
    }

    @GetMapping("/add")
    public String addContactForm(Model model) {
        model.addAttribute("contact", new Contact());
        return "add_contact";
    }

    @PostMapping("/save")
    public String saveContact(@ModelAttribute("contact") Contact contact) {
        contactService.saveContact(contact);
        return "redirect:/";
    }

    @GetMapping("/edit/{id}")
    public String editContactForm(@PathVariable Long id, Model model) {
        Contact contact = contactService.getContactById(id);
        model.addAttribute("contact", contact);
        return "edit_contact";
    }

    @PostMapping("/update/{id}")
    public String updateContact(@PathVariable Long id, @ModelAttribute("contact") Contact contact) {
        Contact existingContact = contactService.getContactById(id);
        existingContact.setName(contact.getName());
        existingContact.setEmail(contact.getEmail());
        existingContact.setPhone(contact.getPhone());
        contactService.saveContact(existingContact);
        return "redirect:/";
    }

    @GetMapping("/delete/{id}")
    public String deleteContact(@PathVariable Long id) {
        contactService.deleteContact(id);
        return "redirect:/";
    }
}

最后，您需要创建一些前端页面，如下所示：

home.html

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Contacts</title>
</head>
<body>
    <h1>Contacts</h1>

    <table>
        <tr>
            <th>Name</th>
            <th>Email</th>
            <th>Phone</th>
            <th></th>
            <th></th>
        </tr>

        <tr th:each="contact : ${contacts}">
            <td th:text="${contact.name}"></td>
            <td th:text="${contact.email}"></td>
            <td th:text="${contact.phone}"></td>
            <td><a th:href="@{/edit/{id}(id=${contact.id})}">Edit</a></td>
            <td><a th:href="@{/delete/{id}(id=${contact.id})}" onclick="return confirm('Are you sure?')">Delete</a></td>
        </tr>
    </table>

    <p><a href="/add">Add Contact</a></p>
</body>
</html>

add_contact.html

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Add Contact</title>
</head>
<body>
    <h1>Add Contact</h1>

    <form th:action="@{/save}" th:object="${contact}" method="post">
        <label for="name">Name:</label>
        <input type="text" id="name" name="name" required th:value="${contact.name}"/><br/>

        <label for="email">Email:</label>
        <input type="email" id="email" name="email" required th:value="${contact.email}"/><br/>

        <label for="phone">Phone:</label>
        <input type="text" id="phone" name="phone" required th:value="${contact.phone}"/><br/>

        <input type="submit" value="Save"/>
    </form>
</body>
</html>

edit_contact.html

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Edit Contact</title>
</head>
<body>
    <h1>Edit Contact</h1>

    <form th:action="@{/update/{id}(id=${contact.id})}" th:object="${contact}" method="post">
        <label for="name">Name:</label>
        <input type="text" id="name" name="name" required th:value="${contact.name}"/><br/>

        <label for="email">Email:</label>
        <input type="email" id="email" name="email" required th:value="${contact.email}"/><br/>

        <label for="phone">Phone:</label>
        <input type="text" id="phone" name="phone" required th:value="${contact.phone}"/><br/>

        <input type="submit" value="Save"/>
    </form>
</body>
</html>

这只是一个简单的示例，但希望它能帮助您开始使用Spring框架创建通讯录应用程序。