Integration of Java framework and front-end React framework
Integration of Java framework and React framework: Steps: Set up the backend Java framework. Create project structure. Configure build tools. Create a React app. Write REST API endpoints. Configure the communication mechanism. Practical case (Spring Boot + React): Java code: Define RESTful API controller. React code: Get and display the data returned by the API.
Integration of Java framework and front-end React framework
In modern web development, back-end frameworks and front-end frameworks are usually Use them together to create complex and interactive applications. Java frameworks are popular for their stability and robustness, while React frameworks are known for their componentization and state management features.
Integration steps
Integrating the Java framework and the React framework usually involves the following steps:
- Setting up the back-end Java framework: Set up a Java framework on the server, such as Spring Boot or Play Framework.
- Create project structure: Create a directory structure for the project to separate Java code from React code.
- Configure Maven or Gradle: Use the Maven or Gradle build tool to manage dependencies and configure the project.
- Create React App: Use create-react-app or a similar tool to create a React app and integrate it into your project.
- Writing a REST API: Use a Java framework to write REST API endpoints that will be called by the React app.
- Configure communication: Configure the communication mechanism between the Java framework and the React application, such as using JSON or XML format to transmit data.
Practical case
The following is a practical case using Spring Boot and React integration:
Java code (Spring Boot Controller):
@RestController
@RequestMapping("/api")
public class UserController {
@GetMapping("/users")
public List<User> getAllUsers() {
// 从数据库中获取所有用户
return userService.getAllUsers();
}
}React code (React component):
import React, { useState, useEffect } from "react";
const UsersList = () => {
const [users, setUsers] = useState([]);
useEffect(() => {
// 从后端获取用户列表
fetch("/api/users")
.then((res) => res.json())
.then((data) => setUsers(data));
}, []);
return (
<div>
<h3>用户列表</h3>
<ul>
{users.map((user) => (
<li key={user.id}>{user.name}</li>
))}
</ul>
</div>
);
};
export default UsersList;Demo
In the project Run the Spring Boot server and React application, and then visit http://localhost:8080. This will display a React application containing a list of users fetched from the server.
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