Java小案例-MusiQ音乐网站

<template>
  <el-container>
    <el-header>
      <yin-header></yin-header>
    </el-header>
    <el-main>
      <router-view />
      <yin-current-play></yin-current-play>
      <yin-play-bar></yin-play-bar>
      <yin-scroll-top></yin-scroll-top>
      <yin-audio></yin-audio>
    </el-main>
    <el-footer>
      <yin-footer></yin-footer>
    </el-footer>
  </el-container>
</template>

<script lang="ts" setup>
import { getCurrentInstance } from "vue";
import YinHeader from "@/components/layouts/YinHeader.vue";
import YinCurrentPlay from "@/components/layouts/YinCurrentPlay.vue";
import YinPlayBar from "@/components/layouts/YinPlayBar.vue";
import YinScrollTop from "@/components/layouts/YinScrollTop.vue";
import YinFooter from "@/components/layouts/YinFooter.vue";
import YinAudio from "@/components/layouts/YinAudio.vue";

const { proxy } = getCurrentInstance();

if (sessionStorage.getItem("dataStore")) {
  proxy.$store.replaceState(Object.assign({}, proxy.$store.state, JSON.parse(sessionStorage.getItem("dataStore"))));
}

window.addEventListener("beforeunload", () => {
  sessionStorage.setItem("dataStore", JSON.stringify(proxy.$store.state));
});
</script>

<style lang="scss" scoped>
@import "@/assets/css/var.scss";
@import "@/assets/css/global.scss";

.el-container {
  min-height: calc(100% - 60px);
}
.el-header {
  padding: 0;
}
.el-main {
  padding-left: 0;
  padding-right: 0;
}
</style>

前台-歌单-展示

前台-歌单-代码

<template>
  <div class="play-list-container">
    <yin-nav :styleList="songStyle" :activeName="activeName" @click="handleChangeView"></yin-nav>
    <play-list :playList="data" path="song-sheet-detail"></play-list>
    <el-pagination
      class="pagination"
      background
      layout="total, prev, pager, next"
      :current-page="currentPage"
      :page-size="pageSize"
      :total="allPlayList.length"
      @current-change="handleCurrentChange"
    >
    </el-pagination>
  </div>
</template>

<script lang="ts">
import { defineComponent, ref, computed } from "vue";
import YinNav from "@/components/layouts/YinNav.vue";
import PlayList from "@/components/PlayList.vue";
import { SONGSTYLE } from "@/enums";
import { HttpManager } from "@/api";

export default defineComponent({
  components: {
    YinNav,
    PlayList,
  },
  setup() {
    const activeName = ref("全部歌单");
    const pageSize = ref(15); // 页数
    const currentPage = ref(1); // 当前页
    const songStyle = ref(SONGSTYLE); // 歌单导航栏类别
    const allPlayList = ref([]); // 歌单
    const data = computed(() => allPlayList.value.slice((currentPage.value - 1) * pageSize.value, currentPage.value * pageSize.value));

    // 获取全部歌单
    async function getSongList() {
      allPlayList.value = ((await HttpManager.getSongList()) as ResponseBody).data;
      currentPage.value = 1;
    }
    // 通过类别获取歌单
    async function getSongListOfStyle(style) {
      allPlayList.value = ((await HttpManager.getSongListOfStyle(style)) as ResponseBody).data;
      currentPage.value = 1;
    }

    try {
      getSongList();
    } catch (error) {
      console.error(error);
    }

    // 获取歌单
    async function handleChangeView(item) {
      activeName.value = item.name;
      allPlayList.value = [];
      try {
        if (item.name === "全部歌单") {
          await getSongList();
        } else {
          await getSongListOfStyle(item.name);
        }
      } catch (error) {
        console.error(error);
      }
    }
    // 获取当前页
    function handleCurrentChange(val) {
      currentPage.value = val;
    }
    return {
      activeName,
      songStyle,
      pageSize,
      currentPage,
      allPlayList,
      data,
      handleChangeView,
      handleCurrentChange,
    };
  },
});
</script>

前台-歌手-展示

前台-歌手-代码

<template>
  <div class="play-list-container">
    <yin-nav :styleList="singerStyle" :activeName="activeName" @click="handleChangeView"></yin-nav>
    <play-list :playList="data" path="singer-detail"></play-list>
    <el-pagination
      class="pagination"
      background
      layout="total, prev, pager, next"
      :current-page="currentPage"
      :page-size="pageSize"
      :total="allPlayList.length"
      @current-change="handleCurrentChange"
    >
    </el-pagination>
  </div>
</template>

<script lang="ts" setup>
import { ref, computed } from "vue";
import YinNav from "@/components/layouts/YinNav.vue";
import PlayList from "@/components/PlayList.vue";
import { singerStyle } from "@/enums";
import { HttpManager } from "@/api";

// data
const activeName = ref("全部歌手");
const pageSize = ref(15); // 页数
const currentPage = ref(1); // 当前页
const allPlayList = ref([]);
// computed
const data = computed(() => {
  return allPlayList.value.slice((currentPage.value - 1) * pageSize.value, currentPage.value * pageSize.value);
});

// 获取所有歌手
async function getAllSinger() {
  const result = (await HttpManager.getAllSinger()) as ResponseBody;
  currentPage.value = 1;
  allPlayList.value = result.data;
}

getAllSinger();

// 获取当前页
function handleCurrentChange(val) {
  currentPage.value = val;
}

function handleChangeView(item) {
  activeName.value = item.name;
  allPlayList.value = [];
  if (item.name === "全部歌手") {
    getAllSinger();
  } else {
    getSingerSex(item.type);
  }
}

// 通过性别对歌手分类
async function getSingerSex(sex) {
  const result = (await HttpManager.getSingerOfSex(sex)) as ResponseBody;
  currentPage.value = 1;
  allPlayList.value = result.data;
}
</script>

前台-其他页面展示

后台-登录-展示

后台-登录-代码

<template>
  <div class="login-container">
    <div class="title">{{ nusicName }}</div>
    <div class="login">
      <el-form :model="ruleForm" :rules="rules">
        <el-form-item prop="username">
          <el-input v-model="ruleForm.username" placeholder="username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" placeholder="password" v-model="ruleForm.password" @keyup.enter="submitForm"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button class="login-btn" type="primary" @click="submitForm">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script lang="ts">
import { defineComponent, getCurrentInstance, ref, reactive } from "vue";
import mixin from "@/mixins/mixin";
import { HttpManager } from "@/api/index";
import { RouterName, MUSICNAME } from "@/enums";

export default defineComponent({
  setup() {
    const { proxy } = getCurrentInstance();
    const { routerManager } = mixin();

    const nusicName = ref(MUSICNAME);
    const ruleForm = reactive({
      username: "admin",
      password: "123",
    });
    const rules = reactive({
      username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
      password: [{ required: true, message: "请输入密码", trigger: "blur" }],
    });
    async function submitForm() {
      let username = ruleForm.username;
      let password = ruleForm.password;
      const result = (await HttpManager.getLoginStatus({username,password})) as ResponseBody;
      (proxy as any).$message({
        message: result.message,
        type: result.type,
      });

      if (result.success) routerManager(RouterName.Info, { path: RouterName.Info });
    }
    return {
      nusicName,
      ruleForm,
      rules,
      submitForm,
    };
  },
});
</script>

<style scoped>
.login-container {
  position: relative;
  background: url("../assets/images/background.jpg");
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  width: 100%;
  height: 100%;
}

.title {
  position: absolute;
  top: 50%;
  width: 100%;
  margin-top: -230px;
  text-align: center;
  font-size: 30px;
  font-weight: 600;
  color: #fff;
}

.login {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 300px;
  margin: -150px 0 0 -190px;
  padding: 40px;
  border-radius: 5px;
  background: #fff;
}

.login-btn {
  width: 100%;
}
</style>

后台-首页-展示

首台-首页-代码

<template>
  <yin-header></yin-header>
  <yin-aside></yin-aside>
  <div class="content-box" :class="{ 'content-collapse': collapse }">
    <router-view></router-view>
  </div>
  <yin-audio></yin-audio>
</template>

<script lang="ts" setup>
import { ref } from "vue";
import YinHeader from "@/components/layouts/YinHeader.vue";
import YinAudio from "@/components/layouts/YinAudio.vue";
import YinAside from "@/components/layouts/YinAside.vue";
import emitter from "@/utils/emitter";

const collapse = ref(false);
emitter.on("collapse", (msg) => {
  collapse.value = msg as boolean;
});
</script>

<style scoped>
.content-box {
  position: absolute;
  left: 150px;
  right: 0;
  top: 60px;
  bottom: 0;
  overflow-y: scroll;
  transition: left 0.3s ease-in-out;
  padding: 20px;
}

.content-collapse {
  left: 65px;
}
</style>

后台-其他页面-展示

视频展示

音乐网站

详细步骤及代码

Pom.xml导包

<?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>2.6.2</version>
        <relativePath/>
    </parent>

    <artifactId>music-server</artifactId>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <!--web启动 内嵌tomcat-->
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!--引入测试-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!--mysql-connector-java就是帮助java程序操作mysql的驱动程序。通过与mysql服务端建立连接，发送sql语句并且获取结果集-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.16</version>
        </dependency>

        <!--mybatis用来和数据库进行交互-->

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.1</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.4</version>
        </dependency>


        <!--这里面有点小工具啥的-->
        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.8.1</version>
        </dependency>


        <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.47</version>
        </dependency>

        <!-- Log4j -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j</artifactId>
            <version>1.3.8.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-to-slf4j</artifactId>
            <version>2.8.2</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.13.1</version>
        </dependency>

        <!-- 热部署模块 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>

        <!-- redis -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
            <version>2.6.6</version>
        </dependency>
        <!--<spring2.X集成redis所需common-pool2-->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
            <version>2.11.1</version>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <!-- 加上这段代码  打包插件 因为启动不起来 -->
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.22.1</version>
                <configuration>
                    <skipTests>true</skipTests>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

1.启动类

package com.example.yin;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
@MapperScan("com.example.yin.mapper")
public class YinMusicApplication {

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

}

2.过滤器

package com.example.yin.config;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class CorsInterceptor extends HandlerInterceptorAdapter {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "x_requested_with,x-requested-with,Authorization,Content-Type,token");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        return true;
    }
}

3.Redis配置

package com.example.yin.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

@EnableCaching //开启缓存注解
@Configuration
public class RedisConfig extends CachingConfigurerSupport {
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        template.setConnectionFactory(factory);
        //key序列化方式
        template.setKeySerializer(redisSerializer);
        //value序列化
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //value hashmap序列化
        template.setHashValueSerializer(jackson2JsonRedisSerializer);
        return template;
    }

    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        //解决查询缓存转换异常的问题
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        // 配置序列化（解决乱码的问题）,过期时间600秒
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofSeconds(600))
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
                .disableCachingNullValues();
        return RedisCacheManager.builder(factory)
                .cacheDefaults(config)
                .build();
    }
}

4.application.properties配置文件

mybatis.typeAliasesPackage=com.example.yin.model.domain
mybatis.mapperLocations=classpath:mapper/*.xml
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8
server.port=8888
#热部署生效
spring.devtools.restart.enabled=false
#设置重启的目录
spring.devtools.restart.additional-paths=src/main/java
#classpath目录下的WEB-INF文件夹内容修改不重启
spring.devtools.restart.exclude=WEB-INF/**
# 关闭CONDITIONS EVALUATION REPORT及自动配置内容向控制台的输出
logging.level.org.springframework.boot.autoconfigure=ERROR
# redis相应的地址  还有一些配置
spring.redis.host=127.0.0.1
spring.redis.port=6379
spring.redis.database=0
spring.redis.timeout=1800000
spring.redis.lettuce.pool.max-active=20
spring.redis.lettuce.pool.max-wait=-1
#最大阻塞等待时间(负数表示没限制)
spring.redis.lettuce.pool.max-idle=5
spring.redis.lettuce.pool.min-idle=0
spring.profiles.active=dev

5.log4j.properties配置文件

# LOG4J
log4j.rootCategory=INFO, stdout,file

# print to console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n

# print to file
log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.DatePattern='-'yyyy-MM-dd'.log'
log4j.appender.file.File=./logs/musicWebsite
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} %p [%c]: %m%n

源码获取

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文章来源:https://blog.csdn.net/weixin_54449574/article/details/135178157
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