Building Mental Applets Based on Java Spring Boot and Uniapp: A Complete Guide from Zero to One

Building Mental Applets Based on Java Spring Boot and Uniapp: A Complete Guide from Zero to One

preamble

Hello everyone, today we are going to talk about how to build a mental applet using Java Spring Boot and Uniapp. This project will not only help you improve your technical skills, but also provide mental health support to users. We will start with the overall architecture of the project and gradually dive into the specific code implementation. Hope this article can help you.

Project Architecture

First, we need to clarify the overall structure of the program. This mental applet is divided into two main parts:

1. back-end service: Use Java Spring Boot for business logic and data storage.
2. front-end applet: Use Uniapp to build user interfaces and interactions.

environmental preparation

Before you begin, make sure you have the following tools installed:

• JDK 8 or above
• Maven
• HBuilderX (for Uniapp development)

Back-end service development

Creating a Spring Boot Project

First, we use Spring Initializr to generate a Spring Boot project. Select the following dependencies:

• Spring Web
• Spring Data JPA
• MySQL Driver

After generating the project, unzip it and import it into your IDE.

Configuration Database

existfile to configure the database connection:

=jdbc:mysql://localhost:3306/psychology_app
=root
=yourpassword
-auto=update

Creating Entity Classes

Next, we create a user entity class to store user information.

@Entity
public class User {
    @Id
    @GeneratedValue(strategy = )
    private Long id;
    private String username;
    private String password;
    private String email;

    // Getters and Setters
}

Creating a Repository Interface

public interface UserRepository extends JpaRepository<User, Long> {
    User findByUsername(String username);
}

Creating a Service Layer

@Service
public class UserService {
    @Autowired
    private UserRepository userRepository;

    public User register(User user) {
        return (user);
    }

    public User login(String username, String password) {
        User user = (username);
        if (user != null && ().equals(password)) {
            return user;
        }
        return null;
    }
}

Creating a Controller

@RestController
@RequestMapping("/api/users")
public class UserController {
    @Autowired
    private UserService userService;

    @PostMapping("/register")
    public ResponseEntity<User> register(@RequestBody User user) {
        return ((user));
    }

    @PostMapping("/login")
    public ResponseEntity<User> login(@RequestBody Map<String, String> credentials) {
        User user = (("username"), ("password"));
        if (user != null) {
            return (user);
        }
        return ().build();
    }
}

Front-end applet development

Creating a Uniapp Project

Open HBuilderX, select "New Project", and then select the "uni-app" template. Next, let's create a simple login and registration page.

login page

existpages/login/Center:

<template>
  <view class="content">
    <input v-model="username" placeholder="user ID" />
    <input v-model="password" type="password" placeholder="cryptographic" />
    <button @click="login">log in</button>
  </view>
</template>

<script>
export default {
  data() {
    return {
      username: '',
      password: ''
    };
  },
  methods: {
    async login() {
      const response = await ({
        url: 'http://localhost:8080/api/users/login',
        method: 'POST',
        data: {
          username: ,
          password:
        }
      });
      if (response[1].statusCode === 200) {
        ({
          title: 'log in成功',
          icon: 'success'
        });
      } else {
        ({
          title: 'log in失败',
          icon: 'none'
        });
      }
    }
  }
};
</script>

<style>
/* Add some simple styles */
.content {
  padding: 20px;
}
</style>

registration page

existpages/register/Center:

<template>
  <view class="content">
    <input v-model="username" placeholder="user ID" />
    <input v-model="password" type="password" placeholder="cryptographic" />
    <input v-model="email" placeholder="inbox" />
    <button @click="register">enrollment</button>
  </view>
</template>

<script>
export default {
  data() {
    return {
      username: '',
      password: '',
      email: ''
    };
  },
  methods: {
    async register() {
      const response = await ({
        url: 'http://localhost:8080/api/users/register',
        method: 'POST',
        data: {
          username: ,
          password: ,
          email:
        }
      });
      if (response[1].statusCode === 200) {
        ({
          title: 'enrollment成功',
          icon: 'success'
        });
      } else {
        ({
          title: 'enrollment失败',
          icon: 'none'
        });
      }
    }
  }
};
</script>

<style>
/* Add some simple styles */
.content {
  padding: 20px;
}
</style>

concluding remarks

With this post, we built a Java Spring Boot and Uniapp based mental applet from scratch. We covered the building of backend services, database configuration, front-end page creation, and front-end and back-end tuning. I hope this article was helpful and if you have any questions or suggestions, feel free to leave them in the comments section.

Happy coding!

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