go复制代码ormStudy
├── src              // TypeScript 代码
│   ├── entity       // 存储实体（数据库模型）的位置
│   │   └── User.ts  // 示例 entity
│   ├── migration    // 存储迁移的目录
│   └── index.ts     // 程序执行主文件
├── .gitignore       // gitignore文件
├── ormconfig.json   // ORM和数据库连接配置
├── package.json     // node module 依赖
├── README.md        // 简单的 readme 文件
└── tsconfig.json    // TypeScript 编译选项

json复制代码{
   "type": "mysql",
   "host": "localhost",
   "port": 3306,
   "username": "root",
   "password": "xxxx",
   "database": "orm_test",
   "synchronize": true,
   "logging": false,
   "entities": [
      "src/entity/**/*.ts"
   ],
   "migrations": [
      "src/migration/**/*.ts"
   ],
   "subscribers": [
      "src/subscriber/**/*.ts"
   ],
   "cli": {
      "entitiesDir": "src/entity",
      "migrationsDir": "src/migration",
      "subscribersDir": "src/subscriber"
   }
}

javascript复制代码export class Photo {
    id: number;
    name: string;
    description: string;
    filename: string;
    views: number;
}

ts复制代码import { Entity, Column, PrimaryGeneratedColumn } from "typeorm";

@Entity()
export class Photo {
    @PrimaryGeneratedColumn()//id列自动生成
    id: number;

    @Column({
        length: 100,//列数据类型
    })
    name: string;

    @Column("text")//列数据类型
    description: string;

    @Column()
    filename: string;

    @Column("double")//列数据类型
    views: number;
    
    @Column()
    isPublished: boolean;
}

ts复制代码import "reflect-metadata";
import { createConnection } from "typeorm";
import { Photo } from "./entity/Photo";

createConnection()
  .then(async (connection) => {
    let photo = new Photo();
    photo.name = "Me and Bears";
    photo.description = "I am near polar bears";
    photo.filename = "photo-with-bears.jpg";
    photo.views = 1;
    photo.isPublished = true;

    await connection.manager.save(photo);
    console.log("Photo has been saved");
  })
  .catch((error) => console.log(error));

ts复制代码/*
	await connection.manager.save(photo);
	console.log("Photo has been saved");
*/
const photos = await connection.manager.find(Photo);
console.log("photos: ", photos);

ts复制代码//增
/*	
	//更改前：
	await connection.manager.save(photo);
	console.log("Photo has been saved");
	//更改后：
	let photoRepository = connection.getRepository(Photo);
	await photoRepository.save(photo);
    console.log("Photo has been saved");
	
*/
//查
/*
	//更改前：
	const photos = await connection.manager.find(Photo);
	console.log("photos: ", photos);
	//更改后：
	let photoRepository = connection.getRepository(Photo);
	let savedPhotos = await photoRepository.find();
    console.log("All photos from the db: ", savedPhotos);
*/
//改
let photoRepository = connection.getRepository(Photo);
let photoToUpdate = await photoRepository.findOne(1);
photoToUpdate.name = "Me, my friends and polar bears";
await photoRepository.save(photoToUpdate);

ts复制代码/*
    let photoToUpdate = await photoRepository.findOne(1);
    photoToUpdate.name = "Me, my friends and polar bears";
    await photoRepository.save(photoToUpdate);
*/
let photoToRemove = await photoRepository.findOne(1);
await photoRepository.remove(photoToRemove);

java复制代码class BlockingQueue {
    Queue<String> buffer = new LinkedList<String>();
 
    //
    public void give(String data) {
        buffer.add(data);
        notify();                   // Since someone may be waiting in take!
    }
 
    public String take() throws InterruptedException {
        while (buffer.isEmpty())    // don't use "if" due to spurious wakeups.
            wait();
        return buffer.remove();
    }
}

java复制代码C07- FactoryBean
    M- T getObject() throws Exception
    M- Class<?> getObjectType()
    M- default boolean isSingleton()
    
// PS : 此处 FeignClientFactoryBean 实现了该方法
class FeignClientFactoryBean implements FactoryBean<Object>, InitializingBean, ApplicationContextAware

java复制代码com.gang.cloud.template.demo.client.SampleFeignClient 
-> FeignClientFactoryBean{
type=interface com.gang.cloud.template.demo.client.SampleFeignClient, 
name='nacos-account-server', 
url='http://nacos-account-server', 
path='', 
decode404=false, 
inheritParentContext=true, 
applicationContext=     
    org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@4eb1c69, 
    started on Tue May 18 15:47:20 CST 2021, 
    parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@4cc61eb1,
fallback=void, 
fallbackFactory=void}

java复制代码C09- FeignClientFactoryBean
    M09_01- getTarget
        1- this.applicationContext.getBean(FeignContext.class) : 获取Feign 核心容器
        2- 通过容器配置获取 Feign.Builder 对象
        3- 最终调用 loadBalance 进行负载均衡的封装


<T> T getTarget() {
    // 1 . 准备了 FeignContext
    FeignContext context = this.applicationContext.getBean(FeignContext.class);
    // 2 . 准备了 Feign.Builder
    Feign.Builder builder = feign(context);

    // 
    if (!StringUtils.hasText(this.url)) {
        if (!this.name.startsWith("http")) {
            this.url = "http://" + this.name;
        } else {
            this.url = this.name;
        }
        this.url += cleanPath();
        // 通常情况下 , URL 不为空 , 会总结返回 loadBalance 对象
        return (T) loadBalance(builder, context,
            new HardCodedTarget<>(this.type, this.name, this.url));
    }
    if (StringUtils.hasText(this.url) && !this.url.startsWith("http")) {
        this.url = "http://" + this.url;
    }
    String url = this.url + cleanPath();
    // 此处获得连接的 client 对象
    Client client = getOptional(context, Client.class);
    if (client != null) {
        if (client instanceof LoadBalancerFeignClient) {
            client = ((LoadBalancerFeignClient) client).getDelegate();
        }
        if (client instanceof FeignBlockingLoadBalancerClient) {
            client = ((FeignBlockingLoadBalancerClient) client).getDelegate();
        }
        builder.client(client);
    }
    Targeter targeter = get(context, Targeter.class);
    return (T) targeter.target(this, builder, context,
    new HardCodedTarget<>(this.type, this.name, url));
}

java复制代码public static class Builder {

    private final List<RequestInterceptor> requestInterceptors =
        new ArrayList<RequestInterceptor>();
    private Logger.Level logLevel = Logger.Level.NONE;
    private Contract contract = new Contract.Default();
    private Client client = new Client.Default(null, null);
    private Retryer retryer = new Retryer.Default();
    private Logger logger = new NoOpLogger();
    private Encoder encoder = new Encoder.Default();
    private Decoder decoder = new Decoder.Default();
    private QueryMapEncoder queryMapEncoder = new FieldQueryMapEncoder();
    private ErrorDecoder errorDecoder = new ErrorDecoder.Default();
    private Options options = new Options();
    private InvocationHandlerFactory invocationHandlerFactory =
        new InvocationHandlerFactory.Default();
    private boolean decode404;
    private boolean closeAfterDecode = true;
    private ExceptionPropagationPolicy propagationPolicy = NONE;
    private boolean forceDecoding = false;
    private List<Capability> capabilities = new ArrayList<>();
    
}

java复制代码C09- FeignClientFactoryBean
    M09_02- loadBalance
        1- feign.Client 对象创建 (LoadBalancerFeignClient)
        2- Targeter 创建 (HystrixTargeter)
        3- targeter.target 处理 (包括 fallback , fallbackFactory , SetterFactory) 
        
// PS : 在上一个步骤中 , 返回了一个 loadBalance 对象 >>>


protected <T> T loadBalance(Feign.Builder builder, FeignContext context,
			HardCodedTarget<T> target) {
    // LoadBalancerFeignClient         
    Client client = getOptional(context, Client.class);
    if (client != null) {
        builder.client(client);
        // HystrixTargeter
        Targeter targeter = get(context, Targeter.class);
        
        return targeter.target(this, builder, context, target);
    }

    throw new IllegalStateException(
        "No Feign Client for loadBalancing defined. Did you forget to include spring-cloud-starter-netflix-ribbon?");
        
}


// Targeter 是一个接口 , 主要有2个实现类 : HystrixTargeter , DefaultTargeter


}

java复制代码C- OkHttpFeignConfiguration
public okhttp3.OkHttpClient client(OkHttpClientFactory httpClientFactory,
    ConnectionPool connectionPool,
    FeignHttpClientProperties httpClientProperties) {
    
    //......................
    
}

java复制代码public <T> T target(FeignClientFactoryBean factory, Feign.Builder feign,
			FeignContext context, Target.HardCodedTarget<T> target) {
    if (!(feign instanceof feign.hystrix.HystrixFeign.Builder)) {
        return feign.target(target);
    }
    feign.hystrix.HystrixFeign.Builder builder = (feign.hystrix.HystrixFeign.Builder) feign;
    String name = StringUtils.isEmpty(factory.getContextId()) ? factory.getName()
        : factory.getContextId();
    SetterFactory setterFactory = getOptional(name, context, SetterFactory.class);
    if (setterFactory != null) {
        builder.setterFactory(setterFactory);
    }
    Class<?> fallback = factory.getFallback();
    if (fallback != void.class) {
        return targetWithFallback(name, context, target, builder, fallback);
    }
    Class<?> fallbackFactory = factory.getFallbackFactory();
    if (fallbackFactory != void.class) {
    return targetWithFallbackFactory(name, context, target, builder,fallbackFactory);
    }

    return feign.target(target);
}

java复制代码C30- ReflectiveFeign
    M30_01- apply(Target target)
        1- 获取 Method 元数据集合 List<MethodMetadata>  -> PS:M30_01_01
        2- 根据类型不同构建 BuildTemplateByResolvingArgs -> PS:M30_01_02
        3- 构建 MethodHandler -> PS:M30_01_03
     M30_02- newInstance(Target<T> target) -> PS:M30_02_03
        1- 获取所有方法的 Map<String, MethodHandler> 集合 nameToHandler
        // 对象准备    
        2- Map<Method, MethodHandler> methodToHandler -> LV:M30_02_01
        3- List<DefaultMethodHandler> defaultMethodHandlers
        // For 循环处理
        4-FOR- nameToHandler (Map<String, MethodHandler>)
            - methodToHandler.put(method, nameToHandler.get(Feign.configKey(target.type(), method)))
                 ?- 添加到  LV:M30_02_01 methodToHandler 中
        // 实体类构建
        5- new ReflectiveFeign.FeignInvocationHandler(target, dispatch) : 构建代理对象 InvocationHandler
        6- Proxy.newProxyInstance : 构建代理类  核心方法
            
            
// M30_01 源代码
public Map<String, MethodHandler> apply(Target target) {
      List<MethodMetadata> metadata = contract.parseAndValidateMetadata(target.type());
      Map<String, MethodHandler> result = new LinkedHashMap<String, MethodHandler>();
      for (MethodMetadata md : metadata) {
        BuildTemplateByResolvingArgs buildTemplate;
        if (!md.formParams().isEmpty() && md.template().bodyTemplate() == null) {
          buildTemplate =
              new BuildFormEncodedTemplateFromArgs(md, encoder, queryMapEncoder, target);
        } else if (md.bodyIndex() != null) {
          buildTemplate = new BuildEncodedTemplateFromArgs(md, encoder, queryMapEncoder, target);
        } else {
          buildTemplate = new BuildTemplateByResolvingArgs(md, queryMapEncoder, target);
        }
        if (md.isIgnored()) {
          result.put(md.configKey(), args -> {
            throw new IllegalStateException(md.configKey() + " is not a method handled by feign");
          });
        } else {
          //  构建 MethodHandler
          result.put(md.configKey(),
              // 此处的 factory 为 SynchronousMethodHandler.Factory (静态内部类)       
              factory.create(target, md, buildTemplate, options, decoder, errorDecoder));
        }
      }
      return result;
    }
}


// M30_02 源代码
public <T> T newInstance(Target<T> target) {
    // 注意 , 此处直接调用了 apply
    Map<String, MethodHandler> nameToHandler = targetToHandlersByName.apply , 获得代理类(target);
    Map<Method, MethodHandler> methodToHandler = new LinkedHashMap<Method, MethodHandler>();
    List<DefaultMethodHandler> defaultMethodHandlers = new LinkedList<DefaultMethodHandler>();

    for (Method method : target.type().getMethods()) {
      if (method.getDeclaringClass() == Object.class) {
        continue;
      } else if (Util.isDefault(method)) {
        DefaultMethodHandler handler = new DefaultMethodHandler(method);
        defaultMethodHandlers.add(handler);
        methodToHandler.put(method, handler);
      } else {
        methodToHandler.put(method, nameToHandler.get(Feign.configKey(target.type(), method)));
      }
    }
    InvocationHandler handler = factory.create(target, methodToHandler);
    // 核心逻辑 , 代理对象的生成
    T proxy = (T) Proxy.newProxyInstance(target.type().getClassLoader(),
        new Class<?>[] {target.type()}, handler);

    for (DefaultMethodHandler defaultMethodHandler : defaultMethodHandlers) {
      defaultMethodHandler.bindTo(proxy);
    }
    return proxy;
}

python复制代码def 函数名():

    函数封装的代码
    ……

python复制代码#!/usr/bin/python3
# -*- coding:utf-8 -*-

name = "hui"

# 解释器知道这里定义了一个函数
def say_hello():
    print("hello 1")
    print("hello 2")
    print("hello 3")

print(name)

say_hello()

print(name)

python复制代码hui
hello 1
hello 2
hello 3
hui

python复制代码#!/usr/bin/python3
# -*- coding:utf-8 -*-

def sum_2_num():

    num1 = 10
    num2 = 20
    result = num1 + num2

    print("%d + %d = %d" % (num1, num2, result))

sum_2_num()  # 10 + 20 = 30

python复制代码#!/usr/bin/python3
# -*- coding:utf-8 -*-

def sum_2_num(num1, num2):

    result = num1 + num2
    
    print("%d + %d = %d" % (num1, num2, result))

sum_2_num(50, 20)  # 50 + 20 = 70

python复制代码#!/usr/bin/python3
# -*- coding:utf-8 -*-

def sum_2_num(num1, num2):
    """对两个数字的求和"""

    return num1 + num2

# 调用函数，并使用 result 变量接收计算结果
result = sum_2_num(10, 20)

print("计算结果是 %d" % result)	# 30

python复制代码#!/usr/bin/python3
# -*- coding:utf-8 -*-

def test1():

    print("*" * 50)
    print("test 1")
    print("*" * 50)


def test2():

    print("-" * 50)
    print("test 2")
    
    test1()
    
    print("-" * 50)

test2()

python复制代码--------------------------------------------------
test 2
**************************************************
test 1
**************************************************
--------------------------------------------------

python复制代码def print_line(char):

    print("*" * 50)

python复制代码def print_line(char):

    print(char * 50)

python复制代码def print_line(char, times):
    """
    打印分割线
    :param char: 分割线组成的字符
    :param times: 字符的数量
    """
    print(char * times)

python复制代码def print_line(char, times):
	"""
    打印分割线
    :param char: 分割线组成的字符
    :param times: 字符的数量
    """
    print(char * times)


def print_lines(char, times, row):
    """
    打印指定行数的分割线
    :param char: 分割线组成的字符
    :param times: 字符的数量
    :param row: 指定的行数
    """

    line = 0

    while line < row:
        print_line(char, times)

        line += 1

        
# 函数调用        
print_lines(char='-*-', times=20, row=2)
print('测试分割线')
print_lines(char='-*-', times=20, row=2)

python复制代码-*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-
-*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-
测试分割线
-*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-
-*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*-

java复制代码Consumer<String> consumer=System.out::println;
consumer.accept("Consumer");
// 结果: "Consumer"

java复制代码Supplier<String> supplier= () -> "Supplier";
System.out.println(supplier.get());
// 结果: "Supplier"

java复制代码Function<String,String> func= String::toUpperCase;
System.out.println(func.apply("Function"));
// 结果: "FUNCTION"

java复制代码Predicate<String> predicate= "predicate"::equals;
System.out.println(predicate.test("predicate"));
// 结果: true

java复制代码    @Test
    public void mergeTest(){
        String key="java4ye";
        HashMap<String, Integer> map=new HashMap<>();
        map.put(key,1);

        // 写法1
        map.merge(key,2,Integer::sum);

        System.out.println(map.get(key));

        // 写法2
        Integer integer = map.get(key);
        if (integer!=null){
            integer+=2;
            map.put(key,integer);
        }

        System.out.println(map.get(key));
    }
    // 3 
    // 5

java复制代码public class StarvationExample {

  public static void main(String[] args) {
    final WildMonster wildMonster = new WildMonster();

    String[] players = {
      "哪吒",
      "兰陵王",
      "铠",
      "典韦"
    };
    for (String player: players) {
      Thread playerThread = new Thread(new Runnable() {
        public void run() {
          wildMonster.killWildMonster();
        }
      });
      playerThread.setName(player);
      playerThread.start();
    }
  }
}

java复制代码 public class WildMonster {
   public synchronized void killWildMonster() {
     while (true) {
       String playerName = Thread.currentThread().getName();
       System.out.println(playerName + "斩获野怪！");
       try {
         Thread.sleep(500);
       } catch (InterruptedException e) {
         System.out.println("打野中断");
       }
     }
   }
 }

shell复制代码哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！
哪吒斩获野怪！

Process finished with exit code 130 (interrupted by signal 2: SIGINT)

java复制代码 public static class WildMonster {
   public synchronized void killWildMonster() {
     while (true) {
       String playerName = Thread.currentThread().getName();
       System.out.println(playerName + "斩获野怪！");
       try {
         wait(500);
       } catch (InterruptedException e) {
         System.out.println("打野中断");
       }
     }
   }
 }

shell复制代码哪吒斩获野怪！
铠斩获野怪！
兰陵王斩获野怪！
典韦斩获野怪！
兰陵王斩获野怪！
典韦斩获野怪！

Process finished with exit code 130 (interrupted by signal 2: SIGINT)

xml复制代码<!--监控点开始-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
    <version>${starter-actuator.version}</version>
</dependency>
<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
</dependency>
<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient</artifactId>
    <version>${prometheus-simpleclient.version}</version>
</dependency>
<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient_spring_boot</artifactId>
    <version>${prometheus-simpleclient.version}</version>
</dependency>
<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient_hotspot</artifactId>
    <version>${prometheus-simpleclient.version}</version>
</dependency>
<!--监控点结束-->

ini复制代码management.metrics.export.prometheus.enabled=true
management.metrics.export.prometheus.step=1m
management.metrics.export.prometheus.descriptions=true
management.web.server.auto-time-requests=true
management.endpoints.prometheus.id=produce-server
management.endpoints.web.exposure.include=health,info,env,prometheus,metrics,httptrace,threaddump,heapdump,springmetrics,git
management.health.rabbit.enabled=false

java复制代码import io.micrometer.core.instrument.ImmutableTag;
import io.micrometer.core.instrument.Metrics;
import io.micrometer.core.instrument.Tag;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Component;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;

/**
 * levelDb自定义监控指标
 *
 * @author taoze
 * @version 1.0
 * @date 4/27/21 10:42 AM
 */
@Component
@Slf4j
public class LevelDbMetrics {

    /**
     * levelDB监控项
     */
    private AtomicLong levelDBHead = Metrics.gauge("a.levelDb.head", init(), new AtomicLong(0));
    private AtomicLong levelDBTail = Metrics.gauge("a.levelDb.tail", init(), new AtomicLong(0));

    /**
     * 初始化tag
     *
     * @return
     */
    List<Tag> init() {
        List<Tag> list = new ArrayList<>();
        String ip = null;
        try {
            ip = InetAddress.getLocalHost().getHostAddress();
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
        list.add(new ImmutableTag("host", StringUtils.isBlank(ip) ? "127.0.0.1" : ip));
        return list;
    }

    public void setLevelDBHead(Long head) {
        levelDBHead.set(head);
        log.info("levelDB head = [{}]", levelDBHead.get());
    }

    public void setLevelDBTail(Long tail) {
        levelDBTail.set(tail);
        log.info("levelDB tail = [{}]", levelDBTail.get());
    }
}

scala复制代码@SpringBootApplication
@EnablePrometheusEndpoint
public class SpringApplication extends WebMvcConfigurerAdapter implements CommandLineRunner {

    @Autowired
    private CustomExporter customExporter;

    ...省略的代码

    @Override
    public void run(String... args) throws Exception {
        ...省略的代码
        customExporter.register();
    }
}

json复制代码"koa": "^2.13.1",
"koa-router": "^10.0.0",
"koa-static": "^5.0.0"

js复制代码{
  "name": "uiapp",
  "version": "1.0.0",
  "description": "uiapp by levin",
  "main": "app.js",
  "scripts": {
    "start": "node app.js"
  },
  "keywords": [],
  "author": "levin",
  "dependencies": {
    "koa": "^2.13.1",
    "koa-router": "^10.0.0",
    "koa-static": "^5.0.0"
  }
}

javascript复制代码const koa = require('koa');  
const serve = require('koa-static'); 
const path=require('path');

// 启动koa web服务
const app = new koa()

// 加载静态页面
var staticPath = path.join(__dirname + '/static');
console.log('static-path:', staticPath)
app.use(serve(staticPath))

console.log(new Date())
const PORT = 8080
console.log('start app at port %s', PORT)
app.listen(PORT);

html复制代码<html>
<head>
<title>雷学委-UI FrontendSerivce</title>
</head>
<body>
<h1>这是一个前后段分离的应用！</h1>
<h2>后端数据展示："http://localhost:8081"</h2>
<div id="result" ></div>
</body>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<script src="/getProducts.js" ></script>
</html>

html复制代码function $(id){
    return document.getElementById(id)
}

function handleOnData(data){
    $('result').innerHTML = '<div style="background:green">' 
         + JSON.stringify(data)
         + '</div>'
}

function handleOnError(msg){
    $('result').innerHTML = '<div style="background:red">' 
         + JSON.stringify(msg)
         + '</div>'
}

// 第三方接口（产品服务接口）
// 代码实现：https://blog.csdn.net/geeklevin/article/details/109403172 
var api = 'http://localhost:8081/products'
console.log('will get products from api:' , api);
axios.get(api)
.then(function (response) {
    handleOnData(response.data);
})
.catch(function (error) {
    console.log(error);
    handleOnError('后端服务已下线！');
});

bash复制代码node app.js #启动UI服务。

html复制代码<button>立即加入</button>

css复制代码inset( <length-percentage>{1,4} [ round <border-radius> ]? )
clip-path: inset(2em 3em 2em 1em round 2em);

css复制代码button, button::after {
  width: 300px;
  height: 86px;
  font-size: 40px;
  background: linear-gradient(45deg, transparent 5%, #FF013C 5%);
  border: 0;
  color: #fff;
  letter-spacing: 3px;
  line-height: 88px;
  box-shadow: 6px 0px 0px #00E6F6;
  outline: transparent;
  position: relative;
}
button::after {
  --slice-0: inset(50% 50% 50% 50%);
  --slice-1: inset(80% -6px 0 0);
  --slice-2: inset(50% -6px 30% 0);
  --slice-3: inset(10% -6px 85% 0);
  --slice-4: inset(40% -6px 43% 0);
  --slice-5: inset(80% -6px 5% 0);
  content: '立即加入';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 3%, #00E6F6 3%, #00E6F6 5%, #FF013C 5%);
  text-shadow: -3px -3px 0px #F8F005, 3px 3px 0px #00E6F6;
  clip-path: var(--slice-0);
}
button:hover::after {
  animation: 1s glitch;
  animation-timing-function: steps(2, end);
}
@keyframes glitch {
  0% { clip-path: var(--slice-1); transform: translate(-20px, -10px); }
  10% { clip-path: var(--slice-3); transform: translate(10px, 10px); }
  20% { clip-path: var(--slice-1); transform: translate(-10px, 10px); }
  30% { clip-path: var(--slice-3); transform: translate(0px, 5px); }
  40% { clip-path: var(--slice-2); transform: translate(-5px, 0px); }
  50% { clip-path: var(--slice-3); transform: translate(5px, 0px); }
  60% { clip-path: var(--slice-4); transform: translate(5px, 10px); }
  70% { clip-path: var(--slice-2); transform: translate(-10px, 10px); }
  80% { clip-path: var(--slice-5); transform: translate(20px, -10px); }
  90% { clip-path: var(--slice-1); transform: translate(-10px, 0px); }
  100% { clip-path: var(--slice-1); transform: translate(0); }
}

html复制代码<div class="glitch">
  <div class="glitch__item"></div>
  <!-- ... -->
  <div class="glitch__item"></div>
</div>

css复制代码:root {
  --gap-horizontal: 10px;
  --gap-vertical: 5px;
  --time-anim: 4s;
  --delay-anim: 2s;
  --blend-mode-1: none;
  --blend-color-1: transparent;
}
.glitch {
  position: relative;
}
.glitch .glitch__item {
  background: url("banner.png") no-repeat 50% 50%/cover;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  position: absolute;
}
.glitch .glitch__item:nth-child(1) {
  background-color: var(--blend-color-1);
  background-blend-mode: var(--blend-mode-1);
  animation-duration: var(--time-anim);
  animation-delay: var(--delay-anim);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-name: glitch-anim-1;
}
@keyframes glitch-anim-1 {
  0% {
    opacity: 1;
    transform: translate3d(var(--gap-horizontal), 0, 0);
    clip-path: polygon(0 2%, 100% 2%, 100% 5%, 0 5%);
  }
  2% { clip-path: polygon(0 15%, 100% 15%, 100% 15%, 0 15%); }
  4% { clip-path: polygon(0 10%, 100% 10%, 100% 20%, 0 20%); }
  6% { clip-path: polygon(0 1%, 100% 1%, 100% 2%, 0 2%); }
  8% { clip-path: polygon(0 33%, 100% 33%, 100% 33%, 0 33%); }
  10% { clip-path: polygon(0 44%, 100% 44%, 100% 44%, 0 44%); }
  12% { clip-path: polygon(0 50%, 100% 50%, 100% 20%, 0 20%); }
  14% { clip-path: polygon(0 70%, 100% 70%, 100% 70%, 0 70%); }
  16% { clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%); }
  18% { clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%); }
  20% { clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%); }
  21.9% {
    opacity: 1;
    transform: translate3d(var(--gap-horizontal), 0, 0);
  }
  22%, 100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
    clip-path: polygon(0 0, 0 0, 0 0, 0 0);
  }
}

html复制代码<div class="neon">CYBER</div>
<div class="flux">PUNK</div>

css复制代码.neon {
  text-shadow: 0 0 3vw #F4BD0A;
  animation: neon 2s ease-in-out infinite;
}
.flux {
  text-shadow: 0 0 3vw #179E05;
  animation: flux 2s linear infinite;
}
@keyframes neon {
  0%, 100% {
    text-shadow: 0 0 1vw #FA1C16, 0 0 3vw #FA1C16, 0 0 10vw #FA1C16, 0 0 10vw #FA1C16, 0 0 .4vw #FED128, .5vw .5vw .1vw #806914;
    color: #FFFC00;
  }
  50% {
    text-shadow: 0 0 .5vw #800E0B, 0 0 1.5vw #800E0B, 0 0 5vw #800E0B, 0 0 5vw #800E0B, 0 0 .2vw #800E0B, .5vw .5vw .1vw #40340A;
    color: #806914;
  }
}
@keyframes flux {
  0%, 100% {
    text-shadow: 0 0 1vw #10ff4c, 0 0 3vw #1041FF, 0 0 10vw #1041FF, 0 0 10vw #1041FF, 0 0 .4vw #8BFDFE, .5vw .5vw .1vw #147280;
    color: #03C03C;
  }
  50% {
    text-shadow: 0 0 .5vw #024218, 0 0 1.5vw #024713, 0 0 5vw #023812, 0 0 5vw #012707, 0 0 .2vw #022201, .5vw .5vw .1vw #011a06;
    color: #179E05;
  }
}

html复制代码<p class="cyberpunk">经典的赛博朋克角色是边缘且性格疏远的独行者。他们生活在社会群体的边缘，一个弥漫反乌托邦氛围的未来：日常生活受到急剧改变的科技影响，普及的计算机化信息笼罩全球，以及侵入性的人体改造。</p>
<p class="cyberpunk inverse">经典的赛博朋克角色是边缘且性格疏远的独行者。他们生活在社会群体的边缘，一个弥漫反乌托邦氛围的未来：日常生活受到急剧改变的科技影响，普及的计算机化信息笼罩全球，以及侵入性的人体改造。</p>
<p class="cyberpunk inverse dotted">经典的赛博朋克角色是边缘且性格疏远的独行者。他们生活在社会群体的边缘，一个弥漫反乌托邦氛围的未来：日常生活受到急剧改变的科技影响，普及的计算机化信息笼罩全球，以及侵入性的人体改造。</p>

css复制代码clip-path: polygon(
  0px 25px,
  26px 0px,
  calc(60% - 25px) 0px,
  60% 25px, 
  100% 25px, 
  100% calc(100% - 10px),
  calc(100% - 15px) calc(100% - 10px),
  calc(80% - 10px) calc(100% - 10px),
  calc(80% - 15px) 100%,
  80px calc(100% - 0px),
  65px calc(100% - 15px),
  0% calc(100% - 15px)
);

css复制代码:root {
  --yellow-color: #f9f002;
  --border-color: #8ae66e;
}
.cyberpunk {
  padding: 5px;
  position: relative;
  font-size: 1.2rem;
  color: var(--yellow-color);
  border: 30px solid var(--yellow-color);
  border-right: 5px solid var(--yellow-color);
  border-left: 5px solid var(--yellow-color);
  border-bottom: 24px solid var(--yellow-color);
  background-color: #000;
  clip-path: polygon(0px 25px, 26px 0px, calc(60% - 25px) 0px, 60% 25px, 100% 25px, 100% calc(100% - 10px), calc(100% - 15px) calc(100% - 10px), calc(80% - 10px) calc(100% - 10px), calc(80% - 15px) 100%, 80px calc(100% - 0px), 65px calc(100% - 15px), 0% calc(100% - 15px));
}
.cyberpunk.inverse {
  border: none;
  padding: 40px 15px 30px;
  color: #000;
  background-color: var(--yellow-color);
  border-right: 2px solid var(--border-color);
}
.dotted, .dotted:before, .dotted:after {
  background: var(--yellow-color);
  background-image: radial-gradient(#00000021 1px, transparent 0);
  background-size: 5px 5px;
  background-position: -13px -3px;
}
/* 文本框右侧小编号样式 */
.cyberpunk:before {
  content: "P-14";
  display: block;
  position: absolute;
  bottom: -12px;
  right: 25px;
  padding: 2px 2px 0px 2px;
  font-size: 0.6rem;
  line-height: 0.6rem;
  color: #000;
  background-color: var(--yellow-color);
  border-left: 2px solid var(--border-color);
}
.cyberpunk.inverse:before {
  content: "T-71";
  right: 90px;
  bottom: 9px;
}
.cyberpunk.inverse:before, .cyberpunk:before {
  background-color: #000;
  color: var(--yellow-color);
}

html复制代码<input class="cyberpunk" type="text" placeholder="input 输入框" />
<textarea class="cyberpunk" placeholder="textarea 文本框"></textarea>
<label class="cyberpunk"><input class="cyberpunk" name="test" type="radio" />单选框1</label>
<label class="cyberpunk"><input class="cyberpunk" name="test" type="radio" />单选框2</label><br />
<label class="cyberpunk"><input class="cyberpunk" type="checkbox" />多选框</label><br />

css复制代码input[type="text"].cyberpunk, textarea.cyberpunk {
  width: calc(100% - 30px);
  border: 30px solid #000;
  border-left: 5px solid #000;
  border-right: 5px solid #000;
  border-bottom: 15px solid #000;
  clip-path: polygon(0px 25px, 26px 0px, calc(60% - 25px) 0px, 60% 25px, 100% 25px, 100% calc(100% - 10px), calc(100% - 15px) calc(100% - 10px), calc(80% - 10px) calc(100% - 10px), calc(80% - 15px) calc(100% - 0px), 10px calc(100% - 0px), 0% calc(100% - 10px));
  padding: 12px;
}
input[type="radio"].cyberpunk {
  border-radius: 15%;
  z-index: 100;
  height: 14px;
  width: 20px;
  appearance: none;
  outline: none;
  background-color: #000;
  cursor: pointer;
  position: relative;
  margin: 0px;
  display: inline-block;
}
input[type="radio"].cyberpunk:after {
  content: "";
  display: block;
  width: 8px;
  height: 6px;
  background-color: var(--yellow-color);
  position: absolute;
  top: 2px;
  left: 2px;
  transition: background 0.3s, left 0.3s;
}
input[type="radio"].cyberpunk:checked:after {
  background-color: var(--border-color);
  left: 10px;
}
input[type="checkbox"].cyberpunk {
  border-radius: 15%;
  z-index: 100;
  height: 20px;
  width: 20px;
  appearance: none;
  outline: none;
  background-color: #000;
  cursor: pointer;
  position: relative;
  margin: 0px;
  margin-bottom: -3px;
  display: inline-block;
}
input[type="checkbox"].cyberpunk:before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border: 2px solid var(--yellow-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  position: absolute;
  top: 5px;
  left: 4px;
}
input[type="checkbox"].cyberpunk:after {
  content: "";
  display: block;
  width: 2px;
  height: 7px;
  background-color: var(--yellow-color);
  position: absolute;
  top: 3px;
  left: 9px;
}
input[type="checkbox"].cyberpunk:checked:before {
  border-color: var(--border-color);
  border-top-color: transparent;
}
input[type="checkbox"].cyberpunk:checked:after {
  background-color: var(--border-color);
}

html复制代码<h1 class="cyberpunk">H1 title</h1>
<h1 class="cyberpunk glitched">H1 title glitched</h1>

css复制代码h1.cyberpunk {
  position: relative;
}
h1.cyberpunk:before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0px;
  left: 2px;
  width: 100%;
  height: 10px;
  background-color: #000;
  clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
}
h1.cyberpunk.glitched {
  animation-name: glitched;
  animation-duration: calc(.9s * 1.4);
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
@keyframes glitched {
  0% { left: -4px; transform: skew(-20deg); }
  11% { left: 2px; transform: skew(0deg); }
  50% { transform: skew(0deg); }
  51% { transform: skew(10deg); }
  60% { transform: skew(0deg); }
  100% { transform: skew(0deg); }
}
h1.cyberpunk.glitched:before {
  animation-name: beforeglitched;
  animation-duration: calc(.9s * 2);
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
@keyframes beforeglitched {
  0% {
    left: -4px;
    transform: skew(-20deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
  }
  11% {
    left: 2px;
    transform: skew(0deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
  }
  50% {
    transform: skew(0deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
  }
  51% {
    transform: skew(0deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 40% 5px, calc(40% - 30px) 0px, calc(40% + 30px) 0px, calc(45% - 15px) 5px, 100% 5px, 100% 6px, calc(45% - 14px) 6px, calc(40% + 29px) 1px, calc(40% - 29px) 1px, calc(40% + 1px) 6px, 85px 6px, 80px 10px, 0px 10px);
  }
  60% {
    transform: skew(0deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
  }
  100% {
    transform: skew(0deg);
    clip-path: polygon(0px 0px, 85px 0px, 90px 5px, 100% 5px, 100% 6px, 85px 6px, 80px 10px, 0px 10px);
  }
}

html复制代码<button class="gold">gold 金</button>
<button class="silver">silver 银</button>
<button class="bronze">bronze 铜</button>
<button class="titanium">titanium 钛</button>

css复制代码button {
  padding: 2px;
  width: 250px;
  height: 250px;
  border-radius: 12px;
  border: groove 1px transparent;
}
.gold {
  box-shadow: inset 0 0 0 1px #eedc00, inset 0 1px 2px rgba(255, 255, 255, 0.5), inset 0 -1px 2px rgba(0, 0, 0, 0.5);
  background: conic-gradient(#edc800, #e3b600, #f3cf00, #ffe800, #ffe900, #ffeb00, #ffe000, #ebc500, #e0b100, #f1cc00, #fcdc00, #d4c005fb, #fad900, #eec200, #e7b900, #f7d300, #ffe800, #ffe300, #f5d100, #e6b900, #e3b600, #f4d000, #ffe400, #ebc600, #e3b600, #f6d500, #ffe900, #ffe90a, #edc800) content-box, linear-gradient(#f6d600, #f6d600) padding-box, radial-gradient(rgba(120, 120, 120, 0.9), rgba(120, 120, 120, 0) 70%) 50% bottom/80% 0.46875em no-repeat border-box;
}
.silver {
  box-shadow: inset 0 0 0 1px #c9c9c9, inset 0 1px 2px rgba(255, 255, 255, 0.5), inset 0 -1px 2px rgba(0, 0, 0, 0.5);
  background: conic-gradient(#d7d7d7, #c3c3c3, #cccccc, #c6c6c6, #d3d3d3, #d8d8d8, #d5d5d5, #d8d8d8, #d3d3d3, #c5c5c5, #c0c0c0, #bfbfbf, #d0d0d0, #d9d9d9, #d1d1d1, #c5c5c5, #c8c8c8, #d7d7d7, #d5d5d5, #cdcdcd, #c4c4c4, #d9d9d9, #cecece, #c5c5c5, #c5c5c5, #cdcdcd, #d8d8d8, #d9d9d9, #d7d7d7) content-box, linear-gradient(#d4d4d4, #d4d4d4) padding-box, radial-gradient(rgba(120, 120, 120, 0.9), rgba(120, 120, 120, 0) 70%) 50% bottom/80% 0.46875em no-repeat border-box;
}
.bronze {
  box-shadow: inset 0 0 0 1px #bc7e6b, inset 0 1px 2px rgba(255, 255, 255, 0.5), inset 0 -1px 2px rgba(0, 0, 0, 0.5);
  background: conic-gradient(#d95641, #b14439, #b2453a, #d25645, #d56847, #d05441, #b85137, #b2453a, #c34f40, #df4647, #a94338, #c94943, #c85442, #a4413c, #d9543a, #d1564e, #ab4338, #bb4a3c, #dc5843, #b94839, #aa4237, #c24e42, #ce523f, #ab4338, #dd5944, #ca4d33, #ab4338, #cb503e, #d95641) content-box, linear-gradient(#ad3b36, #ad3b36) padding-box, radial-gradient(rgba(120, 120, 120, 0.9), rgba(120, 120, 120, 0) 70%) 50% bottom/80% 0.46875em no-repeat border-box;
}
.titanium {
  box-shadow: inset 0 0 0 1px #c7aca0, inset 0 1px 2px rgba(255, 255, 255, 0.5), inset 0 -1px 2px rgba(0, 0, 0, 0.5);
  background: conic-gradient(#e6c9bf, #d2b5aa, #cbaea3, #d4b5ab, #e5c3bd, #d9c0b4, #d9bcb1, #c5a399, #e3c6bc, #e7cac0, #dec0b5, #d3b6ab, #cfada1, #d4b6ac, #e2c6c0, #e2c6c0, #d2b1a6, #d2b1a6, #d1b4a9, #e1c4ba, #e5c9be, #dec1b6, #d3b6ab, #ceb0a6, #cfada3, #d2b5aa, #dabdb2, #e5c9be, #e6c9bf) content-box, linear-gradient(#e5c9be, #e5c9be) padding-box, radial-gradient(rgba(120, 120, 120, 0.9), rgba(120, 120, 120, 0) 70%) 50% bottom/80% 0.46875em no-repeat border-box;
}