基于Java+SpringBoot制作一个论坛小程序

要使用Java和Spring Boot创建一个简单的论坛小程序，你可以使用Spring Boot作为后端框架，并且可能会使用MyBatis或JPA来处理数据库操作，以及Thymeleaf作为模板引擎来渲染页面。以下是一个非常基础的示例，展示了如何设置一个简单的论坛系统。

创建一个Spring Boot项目并添加依赖：




<dependencies>
    <!-- Spring Boot Web Starter -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
 
    <!-- Thymeleaf Template Engine -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
 
    <!-- JPA Starter -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
 
    <!-- MySQL Connector -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <scope>runtime</scope>
    </dependency>
</dependencies>

创建一个简单的帖子实体：




import javax.persistence.*;
 
@Entity
public class Post {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
 
    private String title;
    private String content;
 
    // Getters and Setters
}

创建一个Repository接口：




import org.springframework.data.jpa.repository.JpaRepository;
 
public interface PostRepository extends JpaRepository<Post, Long> {
}

创建一个Controller来处理HTTP请求：




import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
 
@Controller
public class ForumController {
 
    @Autowired
    private PostRepository postRepository;
 
    @GetMapping("/")
    public String getAllPosts(Model model) {
        model.addAttribute("posts", postRepository.findAll());
        return "forum";
    }
 
    @PostMapping("/new-post")
    public String createPost(Post post) {
        postRepository.save(post);
        return "redirect:/";
    }
}

创建forum.html Thymeleaf模板：




<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Forum</title>
</head>
<body>
<h1>Forum</h1>
 
<form th:action="@{/new-post}" method="post">
    <label for="title">Title:</label>
    <input type="text" id="title" name="title" />
    <label for="

基于Java+SpringBoot制作一个论坛小程序

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