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《花100块做个摸鱼小网站! 》第二篇—后端应用搭建和完成第一个爬虫

编程知识1552024-08-12评论

一、前言

大家好呀,我是summo,前面已经教会大家怎么去阿里云买服务器(链接在这,需要自取),以及怎么搭建JDK、Redis、MySQL这些环境或者数据库。从这篇文章开始就进入正式的编码阶段了,我们从后端开始,先把热搜数据获取到,然后再开始前端部分。

本来我想把后端应用搭建和完成第一个爬虫分为两篇文章写的,但是想到墨迹三周还没看到效果,估计有些同学已经等不及了,所以我把这两篇文章合成一篇了,篇幅比较长,感兴趣的同学可以认真看下。因为后端应用初始化的时候涉及很多配置,有很多命名,建议大家写别急着个性化用自己的名字命名应用和配置,可以先用我的命名方式搭建一个出来,先成功再研究个性化,这样成就感很足,学习动力也强。

二、后端应用搭建

这个摸鱼小网站主要使用的SpringBoot框架配合一些中间件实现,开发工具用的是idea社区版,建议不要下载人家的正式版然后破解,一来麻烦的很,二来社区版足够开发使用了,点击这个可以下载idea社区版

1. maven项目搭建

打开idea后,点击New Project,我们从一个空的maven项目开始,一步步把项目搭建出来。

我们输入name、GroupId、ArtifactId点击确定,如果你是老手可以自己搭建,如果你是新手建议跟我输的一样,因为后面还有很多地方要用的这些名字

把src目录删掉,我们不需要,只留下pom.xml文件就行了。

接下来我们开始创建子module,创建方式如下图:

以summo-sbmy-start子module为例,输入如下的信息就可以创建一个module出来啦。

按照这个方式创建出如下的module出来。

2. pom.xml配置

这部分我现在不详细说,后面我会单独写一篇文章讲我的依赖和配置。如果刚才你的名字取得跟我一样,直接复制粘贴就完事了,如果名字不一样记得把名字给替换为你的。

(1)summo-sbmy

pom.xml内容如下:

<?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 http://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>2.7.15</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.summo</groupId> <artifactId>summo-sbmy</artifactId> <packaging>pom</packaging> <version>1.0-SNAPSHOT</version> <modules> <module>summo-sbmy-dao</module> <module>summo-sbmy-service</module> <module>summo-sbmy-web</module> <module>summo-sbmy-start</module> <module>summo-sbmy-job</module> <module>summo-sbmy-common</module> </modules> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencyManagement> <dependencies> <!-- 自依赖 --> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-common</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-service</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-common</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-dao</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-job</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-start</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-web</artifactId> <version>${project.version}</version> </dependency> <!-- xxl-job --> <dependency> <groupId>com.xuxueli</groupId> <artifactId>xxl-job-core</artifactId> <version>2.2.0</version> </dependency> <!-- MySQL驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.20</version> </dependency> <!-- mybatis-plus驱动 --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.3.2</version> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-extension</artifactId> <version>3.3.2</version> </dependency> <!-- 分页插件 --> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper-spring-boot-starter</artifactId> <version>1.4.1</version> </dependency> <!-- lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.22</version> </dependency> <!-- druid链接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.1.22</version> </dependency> <!-- aspectj --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.5</version> </dependency> <!-- fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>2.0.21</version> </dependency> <!-- 线程上下文 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>transmittable-thread-local</artifactId> <version>2.11.1</version> </dependency> <!-- 接口参数校验 --> <dependency> <groupId>javax.validation</groupId> <artifactId>validation-api</artifactId> <version>2.0.1.Final</version> </dependency> <!-- Redisson分布式锁 --> <dependency> <groupId>org.redisson</groupId> <artifactId>redisson-spring-boot-starter</artifactId> <version>3.24.0</version> </dependency> <!-- 通用工具类 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.5</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> <version>4.1</version> </dependency> <!-- VM 模板 --> <dependency> <groupId>com.alibaba.boot</groupId> <artifactId>velocity-spring-boot-starter</artifactId> <version>1.0.4.RELEASE</version> </dependency> <!-- guava --> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>32.1.1-jre</version> </dependency> <!-- httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> <version>4.4.16</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.14</version> </dependency> <!-- jsoup --> <dependency> <groupId>org.jsoup</groupId> <artifactId>jsoup</artifactId> <version>1.12.1</version> </dependency> <!-- ip2region --> <dependency> <groupId>org.lionsoul</groupId> <artifactId>ip2region</artifactId> <version>2.6.3</version> </dependency> <!-- 用于读取ip2region.xdb文件使用 --> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.6</version> </dependency> <!-- 加解密代码--> <dependency> <groupId>org.bouncycastle</groupId> <artifactId>bcprov-jdk15on</artifactId> <version>1.68</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.15</version> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>utf-8</encoding> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-source-plugin</artifactId> <version>2.2</version> <executions> <execution> <id>attach-sources</id> <goals> <goal>jar</goal> </goals> </execution> </executions> <configuration> <finalName>${project.build.finalName}</finalName> </configuration> </plugin> </plugins> </build></project>

(2)summo-sbmy-start

pom.xml内容如下:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>summo-sbmy</artifactId> <groupId>com.summo</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>summo-sbmy-start</artifactId> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-service</artifactId> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-job</artifactId> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-dao</artifactId> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-common</artifactId> </dependency> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-web</artifactId> </dependency> <!-- 测试组件 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> </dependencies> <!-- 添加四个环境的变量,变量名为environment --> <profiles> <profile> <id>test</id> <activation> <activeByDefault>true</activeByDefault> </activation> <properties> <environment>test</environment> </properties> </profile> <profile> <id>consumer</id> <properties> <environment>consumer</environment> </properties> </profile> <profile> <id>producer</id> <properties> <environment>producer</environment> </properties> </profile> </profiles> <build> <finalName>summo-sbmy</finalName> <resources> <resource> <!-- 指定配置文件所在的resource目录 --> <directory>src/main/resources</directory> <includes> <include>application.properties</include> <include>logback-spring.xml</include> <include>**/*.html</include> <include>**/*.js</include> <include>**/*.css</include> </includes> <filtering>true</filtering> </resource> <resource> <!-- 指定配置文件所在的resource目录 --> <directory>src/main/resources</directory> <includes> <include>**/*.woff</include> <include>**/*.ttf</include> <include>**/*.xdb</include> <include>**/*.jks</include> </includes> <filtering>false</filtering> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>2.1.13.RELEASE</version> <executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> </executions> <configuration> <mainClass>com.summo.sbmy.Application</mainClass> </configuration> </plugin> <!-- 解压fat jar到target/${project-name}目录 --> <plugin> <artifactId>maven-antrun-plugin</artifactId> <executions> <execution> <phase>package</phase> <configuration> <target> <unzip src="${project.build.directory}/${project.build.finalName}.${project.packaging}" dest="${project.build.directory}/summo-sbmy"/> </target> </configuration> <goals> <goal>run</goal> </goals> </execution> </executions> </plugin> </plugins> </build></project>

(3)summo-sbmy-common

pom.xml内容如下:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>summo-sbmy</artifactId> <groupId>com.summo</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>summo-sbmy-common</artifactId> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <!-- SpringBoot框架 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> <!-- aspectj --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.5</version> </dependency> <!-- logback核心组件 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> </dependency> <!-- fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> </dependency> <!-- 线程上下文 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>transmittable-thread-local</artifactId> </dependency> <!-- 分页插件 --> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper-spring-boot-starter</artifactId> <version>1.4.1</version> </dependency> <!-- 接口参数校验 --> <dependency> <groupId>javax.validation</groupId> <artifactId>validation-api</artifactId> </dependency> <dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> </dependency> <!-- Redis框架 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <!-- Redisson分布式锁 --> <dependency> <groupId>org.redisson</groupId> <artifactId>redisson-spring-boot-starter</artifactId> </dependency> <!-- jedisÏ分布式锁 --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> </dependency> <!-- 通用工具类 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> </dependency> <!-- guava --> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> </dependency> <!-- httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> </dependency> <dependency> <groupId>org.jsoup</groupId> <artifactId>jsoup</artifactId> </dependency> <!-- ip2region --> <dependency> <groupId>org.lionsoul</groupId> <artifactId>ip2region</artifactId> </dependency> <!-- 用于读取ip2region.xdb文件使用 --> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> </dependency> <!-- 加解密代码 --> <dependency> <groupId>org.bouncycastle</groupId> <artifactId>bcprov-jdk15on</artifactId> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.6</version> </dependency> </dependencies></project>

(4)summo-sbmy-dao

pom.xml内容如下:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>summo-sbmy</artifactId> <groupId>com.summo</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>summo-sbmy-dao</artifactId> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-common</artifactId> </dependency> <!-- MySQL驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!-- mybatis-plus驱动 --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-extension</artifactId> </dependency> <dependency> <groupId>javax.persistence</groupId> <artifactId>javax.persistence-api</artifactId> </dependency> <!-- druid链接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.6</version> <configuration> <configurationFile>${basedir}/src/main/resources/generator/generatorConfiguration.xml </configurationFile> <overwrite>true</overwrite> <verbose>true</verbose> </configuration> <dependencies> <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper</artifactId> <version>4.1.2</version> </dependency> </dependencies> </plugin> </plugins> </build></project>

(5)summo-sbmy-service

pom.xml内容如下:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>summo-sbmy</artifactId> <groupId>com.summo</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>summo-sbmy-service</artifactId> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-dao</artifactId> </dependency> </dependencies></project>

(7)summo-sbmy-web

pom.xml内容如下:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>summo-sbmy</artifactId> <groupId>com.summo</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>summo-sbmy-web</artifactId> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>com.summo</groupId> <artifactId>summo-sbmy-service</artifactId> </dependency> <!-- thymeleaf --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> </dependencies></project>

pom.xml配置贴好后,更新一下,把依赖包都下载下来。如果你发现下载的非常慢,把maven仓库的镜像换一下,换成阿里云的。镜像配置如下:

<mirrors> <mirror> <id>alimaven</id> <mirrorOf>central</mirrorOf> <name>aliyun maven</name> <url>https://maven.aliyun.com/repository/public</url> </mirror></mirrors>

3. application.properties配置

## 应用名spring.application.name=summo-sbmy## 端口号server.port=8080# 配置Druid数据源类型spring.datasource.type=com.alibaba.druid.pool.DruidDataSource# 数据库连接URL,包括数据库名、允许的公开密钥检索、字符编码、禁用SSL、时区设置等spring.datasource.url=jdbc:mysql://xxx:3306/summo-sbmy?allowPublicKeyRetrieval=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true&zeroDateTimeBehavior=convertToNull# 数据库用户名spring.datasource.username=xxx# 数据库密码spring.datasource.password=xxx# 数据库驱动类名spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver# 初始化连接池时创建的连接数量spring.datasource.druid.initial-size=5# 连接池最大活跃连接数spring.datasource.druid.max-active=30# 连接池最小空闲连接数spring.datasource.druid.min-idle=5# 等待连接获取的最大等待时间spring.datasource.druid.max-wait=60000# 配置间隔多久才进行一次检测,检测需要关闭的空闲连接spring.datasource.druid.time-between-eviction-runs-millis=60000# 配置一个连接在池中最小生存的时间spring.datasource.druid.min-evictable-idle-time-millis=300000# 验证数据库连接有效的SQL语句spring.datasource.druid.validation-query=SELECT 1 FROM DUAL# 是否在从连接池获取连接前进行检验(建议关闭,影响性能)spring.datasource.druid.test-while-idle=true# 获取连接时执行validationQuery检测连接是否有效(建议关闭,影响性能)spring.datasource.druid.test-on-borrow=false# 归还连接时执行validationQuery检测连接是否有效(建议关闭,影响性能)spring.datasource.druid.test-on-return=false# 是否开启PSCache(PreparedStatement缓存),默认falsespring.datasource.druid.pool-prepared-statements=false# 指定每个连接上PSCache的大小,默认-1表示不限制spring.datasource.druid.max-pool-prepared-statement-per-connection-size=0# 启用监控统计和日志过滤器spring.datasource.druid.filters=stat,wall# 配置StatFilter的参数,合并SQL记录spring.datasource.druid.connection-properties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500# 是否合并Druid数据源的监控信息spring.datasource.druid.use-global-data-source-stat=true# 开启Wall过滤器,并指定数据库类型为MySQLspring.datasource.druid.filter.wall.enabled=truespring.datasource.druid.filter.wall.db-type=mysql# 配置StatFilter的数据库类型为MySQLspring.datasource.druid.filter.stat.db-type=mysql# 开启StatFilterspring.datasource.druid.filter.stat.enabled=true# MyBatis配置:自动映射行为设置为全字段mybatis.configuration.auto-mapping-behavior=full# MyBatis配置:下划线转驼峰命名规则mybatis.configuration.map-underscore-to-camel-case=true# MyBatis-Plus的Mapper文件位置mybatis-plus.mapper-locations=classpath*:/mybatis/mapper/*.xml# Redis数据库索引spring.redis.database=0# Redis连接超时时间(毫秒)spring.redis.timeout=1800000# Redis服务器地址spring.redis.host=127.0.0.1# Redis服务器端口spring.redis.port=6379# Redis服务器连接密码spring.redis.password=xxx# 使用Lettuce连接池时的最大等待时间(-1表示无限制)spring.redis.lettuce.pool.max-wait=-1# Lettuce连接池的最大空闲连接数spring.redis.lettuce.pool.max-idle=5# Lettuce连接池的最小空闲连接数spring.redis.lettuce.pool.min-idle=0# Lettuce连接池的最大活跃连接数spring.redis.lettuce.pool.max-active=20# 使用Jedis连接池时的最小空闲连接数spring.redis.jedis.pool.min-idle=8# Jedis连接池的最大空闲连接数spring.redis.jedis.pool.max-idle=500# Jedis连接池的最大活跃连接数spring.redis.jedis.pool.max-active=2000# Jedis连接池的最大等待时间(毫秒)spring.redis.jedis.pool.max-wait=10000

4. logback-spring.xml配置

<configuration> <!-- 默认的一些配置 --> <include resource="org/springframework/boot/logging/logback/defaults.xml"/> <!-- 定义应用名称,区分应用 --> <property name="APP_NAME" value="summo-sbmy"/> <!-- 定义日志文件的输出路径 --> <property name="LOG_PATH" value="${user.home}/logs/${APP_NAME}"/> <!-- 定义日志文件名称和路径 --> <property name="LOG_FILE" value="${LOG_PATH}/application.log"/> <!-- 定义警告级别日志文件名称和路径 --> <property name="WARN_LOG_FILE" value="${LOG_PATH}/warn.log"/> <!-- 定义错误级别日志文件名称和路径 --> <property name="ERROR_LOG_FILE" value="${LOG_PATH}/error.log"/> <!-- 自定义控制台打印格式 --> <property name="FILE_LOG_PATTERN" value="%green(%d{yyyy-MM-dd HH:mm:ss.SSS}) [%blue(requestId: %X{requestId})] [%highlight(%thread)] ${PID:- } %logger{36} %-5level - %msg%n"/> <!-- 将日志滚动输出到application.log文件中 --> <appender name="APPLICATION" > <!-- 输出文件目的地 --> <file>${LOG_FILE}</file> <encoder> <pattern>${FILE_LOG_PATTERN}</pattern> <charset>utf8</charset> </encoder> <!-- 设置 RollingPolicy 属性,用于配置文件大小限制,保留天数、文件名格式 --> <rollingPolicy> <!-- 文件命名格式 --> <fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.%i.log</fileNamePattern> <!-- 文件保留最大天数 --> <maxHistory>7</maxHistory> <!-- 文件大小限制 --> <maxFileSize>50MB</maxFileSize> <!-- 文件总大小 --> <totalSizeCap>500MB</totalSizeCap> </rollingPolicy> </appender> <!-- 摘取出WARN级别日志输出到warn.log中 --> <appender name="WARN"> <file>${WARN_LOG_FILE}</file> <encoder> <!-- 使用默认的输出格式打印 --> <pattern>${CONSOLE_LOG_PATTERN}</pattern> <charset>utf8</charset> </encoder> <!-- 设置 RollingPolicy 属性,用于配置文件大小限制,保留天数、文件名格式 --> <rollingPolicy> <!-- 文件命名格式 --> <fileNamePattern>${LOG_PATH}/warn.%d{yyyy-MM-dd}.%i.log</fileNamePattern> <!-- 文件保留最大天数 --> <maxHistory>7</maxHistory> <!-- 文件大小限制 --> <maxFileSize>50MB</maxFileSize> <!-- 文件总大小 --> <totalSizeCap>500MB</totalSizeCap> </rollingPolicy> <!-- 日志过滤器,将WARN相关日志过滤出来 --> <filter> <level>WARN</level> </filter> </appender> <!-- 摘取出ERROR级别日志输出到error.log中 --> <appender name="ERROR"> <file>${ERROR_LOG_FILE}</file> <encoder> <!-- 使用默认的输出格式打印 --> <pattern>${CONSOLE_LOG_PATTERN}</pattern> <charset>utf8</charset> </encoder> <!-- 设置 RollingPolicy 属性,用于配置文件大小限制,保留天数、文件名格式 --> <rollingPolicy> <!-- 文件命名格式 --> <fileNamePattern>${LOG_PATH}/error.%d{yyyy-MM-dd}.%i.log</fileNamePattern> <!-- 文件保留最大天数 --> <maxHistory>7</maxHistory> <!-- 文件大小限制 --> <maxFileSize>50MB</maxFileSize> <!-- 文件总大小 --> <totalSizeCap>500MB</totalSizeCap> </rollingPolicy> <!-- 日志过滤器,将ERROR相关日志过滤出来 --> <filter> <level>ERROR</level> </filter> </appender> <!-- 配置控制台输出 --> <appender name="CONSOLE"> <encoder> <pattern>${FILE_LOG_PATTERN}</pattern> <charset>utf8</charset> </encoder> </appender> <!-- 配置输出级别 --> <root level="INFO"> <!-- 加入控制台输出 --> <appender-ref ref="CONSOLE"/> <!-- 加入APPLICATION输出 --> <appender-ref ref="APPLICATION"/> <!-- 加入WARN日志输出 --> <appender-ref ref="WARN"/> <!-- 加入ERROR日志输出 --> <appender-ref ref="ERROR"/> </root></configuration>

5. 创建启动类

package com.summo.sbmy;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.scheduling.annotation.EnableScheduling;/** * @author summo * @version Application.java, 1.0.0 * @description 启动核心类 * @date 2024年08月09 */@SpringBootApplication(scanBasePackages = {"com.summo.sbmy"})@EnableSchedulingpublic class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); }}

点击启动,打印如下就算成功

三、实现抖音热搜爬虫

第一次写爬虫代码,我们找一个最简单,也是最安全的例子,抖音热搜

1. 爬虫方案评估

为什么简单?
它就一个接口:https://www.iesdouyin.com/web/api/v2/hotsearch/billboard/word/,免登录也不需要参数,你们直接在浏览器上调用就可以把抖音的热搜数据获取到了;

为什么安全?
调用https://www.iesdouyin.com/robots.txt接口,返回如下:

User-agent: *Allow: /Sitemap: http://www.iesdouyin.com/sitemap/index.xml

这个代表什么呢?

看到了吗,人家不仅允许你去爬,还提供了网站地图的链接,这也是他们为了提高谷歌、必应、百度等浏览器的收录的一种办法。所以,不用担心爬这些数据会怎么样了。

2. 获取链接的cURL代码

先上一张图,如下:

大概的步骤如下:

  1. 输入https://www.iesdouyin.com/web/api/v2/hotsearch/billboard/word/链接,按下enter;
  2. 打开控制台,选择【全部】找到刚才调用的接口;
  3. 选中接口,右键打开菜单,选择复制里面的“以cURL格式复制”这一项。

复制出来是这样的东西

curl 'https://www.iesdouyin.com/web/api/v2/hotsearch/billboard/word/' \ -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,**;q=0.8,application/signed-exchange;v=b3;q=0.7") .addHeader("accept-language","zh-CN,zh;q=0.9") .addHeader("cache-control","no-cache") .addHeader("cookie","ttwid=1%7CJ6ehEognyMAob_gD6oZwA40monN8E_sENr3IUZmuk7o%7C1712472728%7C44b0cd0003fb75861789d62e56f014eaea3d198898a0ae9a947bf61d95d8ac1a; __ac_signature=_02B4Z6wo00f01fFoqvgAAIDBFmj97SX8qiXxSK5AABr708; __ac_referer=https://pre-dc-console.alibaba-inc.com/; ttwid=1%7CX9ppA_NoTHJI9DG3JN7wNnZ662r-aJbZwCFPLLGK-og%7C1713836331%7Cdbc79a439d0ecc994f60043d66b4ad3ff81c3820f3ab83ef85d30875cc59a18b") .addHeader("pragma","no-cache") .addHeader("priority","u=0, i") .addHeader("sec-ch-ua","\"Not/A)Brand\";v=\"8\", \"Chromium\";v=\"126\", \"Google Chrome\";v=\"126\"") .addHeader("sec-ch-ua-mobile","?0") .addHeader("sec-ch-ua-platform","\"macOS\"") .addHeader("sec-fetch-dest","document") .addHeader("sec-fetch-mode","navigate") .addHeader("sec-fetch-site","none") .addHeader("sec-fetch-user","?1") .addHeader("upgrade-insecure-requests","1") .addHeader("user-agent","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36") .build();Response response = client.newCall(request).execute();

4. 将代码迁移到应用中

summo-sbmy-job这个module下,创建一个文件夹com.summo.sbmy.job.douyin,创建DouyinHotSearchJob.java,代码如下

package com.summo.sbmy.job.douyin;import java.io.IOException;import com.alibaba.fastjson.JSONObject;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;import org.springframework.scheduling.annotation.Scheduled;import org.springframework.stereotype.Component;/** * @author summo * @version DouyinHotSearchJob.java, 1.0.0 * @description 抖音热搜Java爬虫代码 * @date 2024年08月09 */@Componentpublic class DouyinHotSearchJob { /** * 定时触发爬虫方法,1个小时执行一次 */ @Scheduled(fixedRate = 1000 * 60 * 60) public void hotSearch() throws IOException { OkHttpClient client = new OkHttpClient().newBuilder() .build(); Request request = new Request.Builder() .url("https://www.iesdouyin.com/web/api/v2/hotsearch/billboard/word/") .method("GET", null) .addHeader("accept","text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;" +"q=0.8,application/signed-exchange;v=b3;q=0.7") .addHeader("accept-language","zh-CN,zh;q=0.9") .addHeader("cache-control","no-cache") .addHeader("cookie","ttwid=1%7CJ6ehEognyMAob_gD6oZwA40monN8E_sENr3IUZmuk7o%7C1712472728" +"%7C44b0cd0003fb75861789d62e56f014eaea3d198898a0ae9a947bf61d95d8ac1a;" +"__ac_signature=_02B4Z6wo00f01fFoqvgAAIDBFmj97SX8qiXxSK5AABr708;" +"__ac_referer=https://pre-dc-console.alibaba-inc.com/;" +"ttwid=1%7CX9ppA_NoTHJI9DG3JN7wNnZ662r-aJbZwCFPLLGK-og%7C1713836331" +"%7Cdbc79a439d0ecc994f60043d66b4ad3ff81c3820f3ab83ef85d30875cc59a18b") .addHeader("pragma","no-cache") .addHeader("priority","u=0, i") .addHeader("sec-ch-ua","\"Not/A)Brand\";v=\"8\", \"Chromium\";v=\"126\", \"Google Chrome\";v=\"126\"") .addHeader("sec-ch-ua-mobile","?0") .addHeader("sec-ch-ua-platform","\"macOS\"") .addHeader("sec-fetch-dest","document") .addHeader("sec-fetch-mode","navigate") .addHeader("sec-fetch-site","none") .addHeader("sec-fetch-user","?1") .addHeader("upgrade-insecure-requests","1") .addHeader("user-agent","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko)" +"Chrome/126.0.0.0 Safari/537.36") .build(); Response response = client.newCall(request).execute(); System.out.println(JSONObject.toJSONString(response.body().string())); }}

这个爬虫代码会在启动的时候执行一次,然后每一小时执行一次。这样,我们的第一个定时爬虫就做好了。如果以上的内容你都看不懂,那就直接复制我这代码吧,鱼和渔都给你了。

四、小结一下

这一篇配置文件很多,篇幅很长,大家要耐心和细心一些,不然很容易出错。这里给出的配置是按照最终版给的,到时开发的时候不用担心少依赖或者少包,至于原理和选型后面再单独说吧。我觉得看一个Java程序员经验丰不丰富从他搭建的脚手架就可以看出来,因为脚手架不像代码一样有标准,它是由框架和插件构成的,适合你就用,没有什么是必须的。

还有就是爬虫,可能有些同学会失望,这玩意咋这么简单,一点技术含量都没有。简单的原因一是热搜接口都是免登无校验的,二是因为我已经给你们趟了一条路出来,饭喂到嘴里了。后面还有很多热搜爬虫,有些也挺麻烦的,不用急,我会慢慢公布。
大多数同学大多数时间都只是在干CRUD的活,也没有独立建站的经验,虽然没有但是可以学!现在不会练练就会!100块钱的实操经验绝对比100块钱买的专栏更有意义更有用!

最后,自建摸鱼网站,各大网站热搜一览,上班和摸鱼很配哦!

神弓

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