Spring Boot搭建Web项目

环境

JDK 1.8
IntelliJ IDEA 2020.3.2 (Ultimate Edition)
PyCharm 2020.2.4 (Professional Edition)
Maven 3.6
bs4==0.0.1
urllib3==1.24.2
MongoDB v4.4.4
Python 3.7.4
pymongo 3.11.3
bootstrap@4.6.0

Maven配置文件

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.4</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.spring.boot.mongodb</groupId>
    <artifactId>mongodb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>mongodb</name>
    <description>MongoDB demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</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-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

Spring Boot配置文件

src/main/resources/application.yaml

MongoDB默认端口
27017
，
douban
为数据库名

spring:
  data:
    mongodb:
      uri: mongodb://localhost:27017/douban

获取数据

import urllib
from bs4 import BeautifulSoup
import re
import pymongo


def crawl():
    url = "https://movie.douban.com/top250?start="
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"}

    image_url_pattern = re.compile(r'<img .*src="(.*?)".*>')
    title_pattern = re.compile(r'<span class="title">(.*?)</span>')
    information_pattern = re.compile(r'<p class="">(.*?)</p>', re.S)
    rating_pattern = re.compile(r'<span class="rating_num" property="v:average">(.*?)</span>')
    evaluator_pattern = re.compile(r'<span>(.*?)人评价</span>')
    synopsis_pattern = re.compile(r'<span class="inq">(.*?)</span>')

    movies = []

    for i in range(0, 10):
        request = urllib.request.Request(url=url + str(25 * i), headers=headers)
        response = urllib.request.urlopen(request)
        html = response.read().decode('utf-8')

        beautiful_soup = BeautifulSoup(html, "html.parser")
        for item in beautiful_soup.find_all('div', class_='item'):
            movie = {}
            item = str(item)
            image_url = re.findall(image_url_pattern, item)[0]
            movie["image_url"] = image_url
            title = re.findall(title_pattern, item)[0]
            movie["title"] = title
            information = re.findall(information_pattern, item)
            information_list = information[0].strip().replace('\xa0', ',').split(',')
            movie["country"] = information_list[-3]
            movie["category"] = information_list[-1]
            rating = re.findall(rating_pattern, item)[0]
            movie["rating"] = rating
            evaluator = re.findall(evaluator_pattern, item)[0]
            movie["evaluator"] = evaluator
            synopsis = re.findall(synopsis_pattern, item)

            if len(synopsis) > 0:
                movie["synopsis"] = synopsis[0]
            else:
                movie["synopsis"] = "None"

            movies.append(movie)

    return movies


def save_in_mongodb(uri, database_name, collection_name, data):
    mongo_client = pymongo.MongoClient(uri)
    database = mongo_client[database_name]
    collection = database[collection_name]
    collection.insert_many(data)


if __name__ == "__main__":
    movies = crawl()
    save_in_mongodb('mongodb://localhost:27017', 'douban', 'movies', movies)

实现代码

MongodbApplication类

src/main/java/com/spring/boot/mybatis/MybatisApplication.java

package com.spring.boot.mongodb;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

@SpringBootApplication()
public class MongodbApplication {
    public static void main(String[] args) {
        SpringApplication.run(MongodbApplication.class, args);
    }

}

Movie类

src/main/java/com/spring/boot/mongodb/bean/Movie.java

package com.spring.boot.mongodb.bean;

import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
import org.springframework.data.mongodb.core.mapping.Field;

@Document(collection = "movies")
public class Movie {
    @Id
    private String id;
    @Field("image_url")
    private String imageURL;
    private String title;
    private String country;
    private String category;
    private double rating;
    private int evaluator;
    private String synopsis;

    public String getCategory() {
        return category;
    }

    public void setCategory(String category) {
        this.category = category;
    }


    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getImageURL() {
        return imageURL;
    }

    public void setImageURL(String imageURL) {
        this.imageURL = imageURL;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public double getRating() {
        return rating;
    }

    public void setRating(double rating) {
        this.rating = rating;
    }

    public int getEvaluator() {
        return evaluator;
    }

    public void setEvaluator(int evaluator) {
        this.evaluator = evaluator;
    }

    public String getSynopsis() {
        return synopsis;
    }

    public void setSynopsis(String synopsis) {
        this.synopsis = synopsis;
    }

    @Override
    public String toString() {
        return "Movie{" +
                "id='" + id + '\'' +
                ", imageURL='" + imageURL + '\'' +
                ", title='" + title + '\'' +
                ", country='" + country + '\'' +
                ", rating=" + rating +
                ", evaluator=" + evaluator +
                ", synopsis='" + synopsis + '\'' +
                '}';
    }
}

HomePageController类

src/main/java/com/spring/boot/mongodb/controller/HomePageController.java

package com.spring.boot.mongodb.controller;

import com.spring.boot.mongodb.bean.Movie;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;


import java.util.List;

@Controller
public class HomePageController {
    @Autowired
    private MongoTemplate mongoTemplate;

    @GetMapping("/")
    public String HomePage(Model model) {
        Query query = new Query(new Criteria());
        List<Movie> movies = mongoTemplate.find(query, Movie.class);
        model.addAttribute("movies", movies);
        return "index";
    }
}

H5模板

src/main/resources/templates/index.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Movies</title>
</head>
<body>
    <table class="table table-dark">
        <thead>
        <tr>
            <th scope="col">ID</th>
            <th scope="col">Title</th>
            <th scope="col">Synopsis</th>
            <th scope="col">Rating</th>
            <th scope="col">Country</th>
            <th scope="col">Category</th>
        </tr>
        </thead>
        <tbody>
        <tr th:scope="row" th:each="movie, status:${movies}">
            <td th:text="${status.count}"/>
            <td th:text="${movie.title}"/>
            <td th:text="${movie.synopsis}"/>
            <td th:text="${movie.rating}"/>
            <td th:text="${movie.country}"/>
            <td th:text="${movie.category}"/>
        </tr>
        </tbody>
    </table>

    <!-- CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
    <!-- jQuery and JavaScript Bundle with Popper -->
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-LCPyFKQyML7mqtS+4XytolfqyqSlcbB3bvDuH9vX2sdQMxRonb/M3b9EmhCNNNrV" crossorigin="anonymous"></script>
</body>
</html>

测试结果

http://127.0.0.1:8080/

最后

由于博主水平有限，不免有疏漏之处，欢迎读者随时批评指正，以免造成不必要的误解！

原文链接：https://blog.csdn.net/qq_44486439/article/details/115144002