招聘会演示平台搭建与简历导入

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+### STS ###
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+.classpath
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+.project
+.settings
+.springBeans
+bin/
+driver/
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+### NetBeans ###
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+### logs ####
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+### temp ignore ###
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employmentBusiness-pc-common/employmentBusiness-pc-common-dubbo/src/main/java/org/apache/dubbo/metadata/report/support/AbstractMetadataReport.java

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.metadata.report.support;
+
+import org.apache.dubbo.common.URL;
+import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
+import org.apache.dubbo.common.logger.LoggerFactory;
+import org.apache.dubbo.common.utils.CollectionUtils;
+import org.apache.dubbo.common.utils.ConfigUtils;
+import org.apache.dubbo.common.utils.JsonUtils;
+import org.apache.dubbo.common.utils.NamedThreadFactory;
+import org.apache.dubbo.metadata.definition.model.FullServiceDefinition;
+import org.apache.dubbo.metadata.definition.model.ServiceDefinition;
+import org.apache.dubbo.metadata.report.MetadataReport;
+import org.apache.dubbo.metadata.report.identifier.KeyTypeEnum;
+import org.apache.dubbo.metadata.report.identifier.MetadataIdentifier;
+import org.apache.dubbo.metadata.report.identifier.ServiceMetadataIdentifier;
+import org.apache.dubbo.metadata.report.identifier.SubscriberMetadataIdentifier;
+import org.apache.dubbo.metrics.event.MetricsEventBus;
+import org.apache.dubbo.metrics.metadata.event.MetadataEvent;
+import org.apache.dubbo.rpc.model.ApplicationModel;
+
+import java.io.*;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.apache.dubbo.common.constants.CommonConstants.*;
+import static org.apache.dubbo.common.constants.LoggerCodeConstants.COMMON_UNEXPECTED_EXCEPTION;
+import static org.apache.dubbo.common.constants.LoggerCodeConstants.PROXY_FAILED_EXPORT_SERVICE;
+import static org.apache.dubbo.common.utils.StringUtils.replace;
+import static org.apache.dubbo.metadata.report.support.Constants.*;
+
+public abstract class AbstractMetadataReport implements MetadataReport {
+
+    protected static final String DEFAULT_ROOT = "dubbo";
+
+    protected static final int ONE_DAY_IN_MILLISECONDS = 60 * 24 * 60 * 1000;
+    private static final int FOUR_HOURS_IN_MILLISECONDS = 60 * 4 * 60 * 1000;
+    // Log output
+    protected final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(getClass());
+
+    // Local disk cache, where the special key value.registries records the list of metadata centers, and the others are
+    // the list of notified service providers
+    final Properties properties = new Properties();
+    private final ExecutorService reportCacheExecutor =
+        Executors.newFixedThreadPool(1, new NamedThreadFactory("DubboSaveMetadataReport", true));
+    final Map<MetadataIdentifier, Object> allMetadataReports = new ConcurrentHashMap<>(4);
+
+    private final AtomicLong lastCacheChanged = new AtomicLong();
+    final Map<MetadataIdentifier, Object> failedReports = new ConcurrentHashMap<>(4);
+    private URL reportURL;
+    boolean syncReport;
+    // Local disk cache file
+    File file;
+    private AtomicBoolean initialized = new AtomicBoolean(false);
+    public MetadataReportRetry metadataReportRetry;
+    private ScheduledExecutorService reportTimerScheduler;
+
+    private final boolean reportMetadata;
+    private final boolean reportDefinition;
+    protected ApplicationModel applicationModel;
+
+    public AbstractMetadataReport(URL reportServerURL) {
+        setUrl(reportServerURL);
+        applicationModel = reportServerURL.getOrDefaultApplicationModel();
+
+        boolean localCacheEnabled = reportServerURL.getParameter(REGISTRY_LOCAL_FILE_CACHE_ENABLED, true);
+        // Start file save timer
+        String defaultFilename = System.getProperty("user.home") + DUBBO_METADATA
+            + reportServerURL.getApplication()
+            + "-" + replace(reportServerURL.getAddress(), ":", "-")
+            + CACHE;
+        String filename = reportServerURL.getParameter(FILE_KEY, defaultFilename);
+        File file = null;
+        if (localCacheEnabled && ConfigUtils.isNotEmpty(filename)) {
+            file = new File(filename);
+            if (!file.exists()
+                && file.getParentFile() != null
+                && !file.getParentFile().exists()) {
+                if (!file.getParentFile().mkdirs()) {
+                    throw new IllegalArgumentException("Invalid service store file " + file
+                        + ", cause: Failed to create directory " + file.getParentFile() + "!");
+                }
+            }
+            // if this file exists, firstly delete it.
+            if (!initialized.getAndSet(true) && file.exists()) {
+                file.delete();
+            }
+        }
+        this.file = file;
+        loadProperties();
+        syncReport = reportServerURL.getParameter(SYNC_REPORT_KEY, false);
+        metadataReportRetry = new MetadataReportRetry(
+            reportServerURL.getParameter(RETRY_TIMES_KEY, DEFAULT_METADATA_REPORT_RETRY_TIMES),
+            reportServerURL.getParameter(RETRY_PERIOD_KEY, DEFAULT_METADATA_REPORT_RETRY_PERIOD));
+        // cycle report the data switch
+        if (reportServerURL.getParameter(CYCLE_REPORT_KEY, DEFAULT_METADATA_REPORT_CYCLE_REPORT)) {
+            reportTimerScheduler = Executors.newSingleThreadScheduledExecutor(
+                new NamedThreadFactory("DubboMetadataReportTimer", true));
+            reportTimerScheduler.scheduleAtFixedRate(
+                this::publishAll, calculateStartTime(), ONE_DAY_IN_MILLISECONDS, TimeUnit.MILLISECONDS);
+        }
+
+        this.reportMetadata = reportServerURL.getParameter(REPORT_METADATA_KEY, false);
+        this.reportDefinition = reportServerURL.getParameter(REPORT_DEFINITION_KEY, true);
+    }
+
+    public URL getUrl() {
+        return reportURL;
+    }
+
+    protected void setUrl(URL url) {
+        if (url == null) {
+            throw new IllegalArgumentException("metadataReport url == null");
+        }
+        this.reportURL = url;
+    }
+
+    private void doSaveProperties(long version) {
+        if (version < lastCacheChanged.get()) {
+            return;
+        }
+        if (file == null) {
+            return;
+        }
+        // Save
+        try {
+            File lockfile = new File(file.getAbsolutePath() + ".lock");
+            if (!lockfile.exists()) {
+                lockfile.createNewFile();
+            }
+            try (RandomAccessFile raf = new RandomAccessFile(lockfile, "rw");
+                 FileChannel channel = raf.getChannel()) {
+                FileLock lock = channel.tryLock();
+                if (lock == null) {
+                    throw new IOException(
+                        "Can not lock the metadataReport cache file " + file.getAbsolutePath()
+                            + ", ignore and retry later, maybe multi java process use the file, please config: dubbo.metadata.file=xxx.properties");
+                }
+                // Save
+                try {
+                    if (!file.exists()) {
+                        file.createNewFile();
+                    }
+
+                    Properties tmpProperties;
+                    if (!syncReport) {
+                        // When syncReport = false, properties.setProperty and properties.store are called from the same
+                        // thread(reportCacheExecutor), so deep copy is not required
+                        tmpProperties = properties;
+                    } else {
+                        // Using store method and setProperty method of the this.properties will cause lock contention
+                        // under multi-threading, so deep copy a new container
+                        tmpProperties = new Properties();
+                        Set<Map.Entry<Object, Object>> entries = properties.entrySet();
+                        for (Map.Entry<Object, Object> entry : entries) {
+                            tmpProperties.setProperty((String) entry.getKey(), (String) entry.getValue());
+                        }
+                    }
+
+                    try (FileOutputStream outputFile = new FileOutputStream(file)) {
+                        tmpProperties.store(outputFile, "Dubbo metadataReport Cache");
+                    }
+                } finally {
+                    lock.release();
+                }
+            }
+        } catch (Throwable e) {
+            if (version < lastCacheChanged.get()) {
+                return;
+            } else {
+                reportCacheExecutor.execute(new SaveProperties(lastCacheChanged.incrementAndGet()));
+            }
+            logger.warn(
+                COMMON_UNEXPECTED_EXCEPTION,
+                "",
+                "",
+                "Failed to save service store file, cause: " + e.getMessage(),
+                e);
+        }
+    }
+
+    void loadProperties() {
+        if (file != null && file.exists()) {
+            try (InputStream in = new FileInputStream(file)) {
+                properties.load(in);
+                if (logger.isInfoEnabled()) {
+                    logger.info("Load service store file " + file + ", data: " + properties);
+                }
+            } catch (Throwable e) {
+                logger.warn(COMMON_UNEXPECTED_EXCEPTION, "", "", "Failed to load service store file" + file, e);
+            }
+        }
+    }
+
+    private void saveProperties(MetadataIdentifier metadataIdentifier, String value, boolean add, boolean sync) {
+        if (file == null) {
+            return;
+        }
+
+        try {
+            if (add) {
+                properties.setProperty(metadataIdentifier.getUniqueKey(KeyTypeEnum.UNIQUE_KEY), value);
+            } else {
+                properties.remove(metadataIdentifier.getUniqueKey(KeyTypeEnum.UNIQUE_KEY));
+            }
+            long version = lastCacheChanged.incrementAndGet();
+            if (sync) {
+                new SaveProperties(version).run();
+            } else {
+                reportCacheExecutor.execute(new SaveProperties(version));
+            }
+
+        } catch (Throwable t) {
+            logger.warn(COMMON_UNEXPECTED_EXCEPTION, "", "", t.getMessage(), t);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return getUrl().toString();
+    }
+
+    private class SaveProperties implements Runnable {
+        private long version;
+
+        private SaveProperties(long version) {
+            this.version = version;
+        }
+
+        @Override
+        public void run() {
+            doSaveProperties(version);
+        }
+    }
+
+    @Override
+    public void storeProviderMetadata(
+        MetadataIdentifier providerMetadataIdentifier, ServiceDefinition serviceDefinition) {
+        if (syncReport) {
+            storeProviderMetadataTask(providerMetadataIdentifier, serviceDefinition);
+        } else {
+            reportCacheExecutor.execute(() -> storeProviderMetadataTask(providerMetadataIdentifier, serviceDefinition));
+        }
+    }
+
+    private void storeProviderMetadataTask(
+        MetadataIdentifier providerMetadataIdentifier, ServiceDefinition serviceDefinition) {
+
+        MetadataEvent metadataEvent = MetadataEvent.toServiceSubscribeEvent(
+            applicationModel, providerMetadataIdentifier.getUniqueServiceName());
+        MetricsEventBus.post(
+            metadataEvent,
+            () -> {
+                boolean result = true;
+                try {
+                    if (logger.isInfoEnabled()) {
+                        logger.info("store provider metadata. Identifier : " + providerMetadataIdentifier
+                            + "; definition: " + serviceDefinition);
+                    }
+                    allMetadataReports.put(providerMetadataIdentifier, serviceDefinition);
+                    failedReports.remove(providerMetadataIdentifier);
+                    String data = JsonUtils.toJson(serviceDefinition);
+                    doStoreProviderMetadata(providerMetadataIdentifier, data);
+                    saveProperties(providerMetadataIdentifier, data, true, !syncReport);
+                } catch (Exception e) {
+                    // retry again. If failed again, throw exception.
+                    failedReports.put(providerMetadataIdentifier, serviceDefinition);
+                    metadataReportRetry.startRetryTask();
+                    logger.error(
+                        PROXY_FAILED_EXPORT_SERVICE,
+                        "",
+                        "",
+                        "Failed to put provider metadata " + providerMetadataIdentifier + " in  "
+                            + serviceDefinition + ", cause: " + e.getMessage(),
+                        e);
+                    result = false;
+                }
+                return result;
+            },
+            aBoolean -> aBoolean);
+    }
+
+    @Override
+    public void storeConsumerMetadata(
+        MetadataIdentifier consumerMetadataIdentifier, Map<String, String> serviceParameterMap) {
+        if (syncReport) {
+            storeConsumerMetadataTask(consumerMetadataIdentifier, serviceParameterMap);
+        } else {
+            reportCacheExecutor.execute(
+                () -> storeConsumerMetadataTask(consumerMetadataIdentifier, serviceParameterMap));
+        }
+    }
+
+    protected void storeConsumerMetadataTask(
+        MetadataIdentifier consumerMetadataIdentifier, Map<String, String> serviceParameterMap) {
+        try {
+            if (logger.isInfoEnabled()) {
+                logger.info("store consumer metadata. Identifier : " + consumerMetadataIdentifier + "; definition: "
+                    + serviceParameterMap);
+            }
+            allMetadataReports.put(consumerMetadataIdentifier, serviceParameterMap);
+            failedReports.remove(consumerMetadataIdentifier);
+
+            String data = JsonUtils.toJson(serviceParameterMap);
+            doStoreConsumerMetadata(consumerMetadataIdentifier, data);
+            saveProperties(consumerMetadataIdentifier, data, true, !syncReport);
+        } catch (Exception e) {
+            // retry again. If failed again, throw exception.
+            failedReports.put(consumerMetadataIdentifier, serviceParameterMap);
+            metadataReportRetry.startRetryTask();
+            logger.error(
+                PROXY_FAILED_EXPORT_SERVICE,
+                "",
+                "",
+                "Failed to put consumer metadata " + consumerMetadataIdentifier + ";  " + serviceParameterMap
+                    + ", cause: " + e.getMessage(),
+                e);
+        }
+    }
+
+    @Override
+    public void destroy() {
+        if (reportCacheExecutor != null) {
+            reportCacheExecutor.shutdown();
+        }
+        if (reportTimerScheduler != null) {
+            reportTimerScheduler.shutdown();
+        }
+        if (metadataReportRetry != null) {
+            metadataReportRetry.destroy();
+            metadataReportRetry = null;
+        }
+    }
+
+    @Override
+    public void saveServiceMetadata(ServiceMetadataIdentifier metadataIdentifier, URL url) {
+        if (syncReport) {
+            doSaveMetadata(metadataIdentifier, url);
+        } else {
+            reportCacheExecutor.execute(() -> doSaveMetadata(metadataIdentifier, url));
+        }
+    }
+
+    @Override
+    public void removeServiceMetadata(ServiceMetadataIdentifier metadataIdentifier) {
+        if (syncReport) {
+            doRemoveMetadata(metadataIdentifier);
+        } else {
+            reportCacheExecutor.execute(() -> doRemoveMetadata(metadataIdentifier));
+        }
+    }
+
+    @Override
+    public List<String> getExportedURLs(ServiceMetadataIdentifier metadataIdentifier) {
+        // TODO, fallback to local cache
+        return doGetExportedURLs(metadataIdentifier);
+    }
+
+    @Override
+    public void saveSubscribedData(SubscriberMetadataIdentifier subscriberMetadataIdentifier, Set<String> urls) {
+        if (syncReport) {
+            doSaveSubscriberData(subscriberMetadataIdentifier, JsonUtils.toJson(urls));
+        } else {
+            reportCacheExecutor.execute(
+                () -> doSaveSubscriberData(subscriberMetadataIdentifier, JsonUtils.toJson(urls)));
+        }
+    }
+
+    @Override
+    public List<String> getSubscribedURLs(SubscriberMetadataIdentifier subscriberMetadataIdentifier) {
+        String content = doGetSubscribedURLs(subscriberMetadataIdentifier);
+        return JsonUtils.toJavaList(content, String.class);
+    }
+
+    String getProtocol(URL url) {
+        String protocol = url.getSide();
+        protocol = protocol == null ? url.getProtocol() : protocol;
+        return protocol;
+    }
+
+    /**
+     * @return if need to continue
+     */
+    public boolean retry() {
+        return doHandleMetadataCollection(failedReports);
+    }
+
+    @Override
+    public boolean shouldReportDefinition() {
+        return reportDefinition;
+    }
+
+    @Override
+    public boolean shouldReportMetadata() {
+        return reportMetadata;
+    }
+
+    private boolean doHandleMetadataCollection(Map<MetadataIdentifier, Object> metadataMap) {
+        if (metadataMap.isEmpty()) {
+            return true;
+        }
+        Iterator<Map.Entry<MetadataIdentifier, Object>> iterable =
+            metadataMap.entrySet().iterator();
+        while (iterable.hasNext()) {
+            Map.Entry<MetadataIdentifier, Object> item = iterable.next();
+            if (PROVIDER_SIDE.equals(item.getKey().getSide())) {
+                this.storeProviderMetadata(item.getKey(), (FullServiceDefinition) item.getValue());
+            } else if (CONSUMER_SIDE.equals(item.getKey().getSide())) {
+                this.storeConsumerMetadata(item.getKey(), (Map) item.getValue());
+            }
+        }
+        return false;
+    }
+
+    /**
+     * not private. just for unittest.
+     */
+    void publishAll() {
+        logger.info("start to publish all metadata.");
+        this.doHandleMetadataCollection(allMetadataReports);
+    }
+
+    /**
+     * between 2:00 am to 6:00 am, the time is random.
+     *
+     * @return
+     */
+    long calculateStartTime() {
+        Calendar calendar = Calendar.getInstance();
+        long nowMill = calendar.getTimeInMillis();
+        calendar.set(Calendar.HOUR_OF_DAY, 0);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+        calendar.set(Calendar.MILLISECOND, 0);
+        long subtract = calendar.getTimeInMillis() + ONE_DAY_IN_MILLISECONDS - nowMill;
+        return subtract
+            + (FOUR_HOURS_IN_MILLISECONDS / 2)
+            + ThreadLocalRandom.current().nextInt(FOUR_HOURS_IN_MILLISECONDS);
+    }
+
+    class MetadataReportRetry {
+        protected final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(getClass());
+
+        final ScheduledExecutorService retryExecutor =
+            Executors.newScheduledThreadPool(0, new NamedThreadFactory("DubboMetadataReportRetryTimer", true));
+        volatile ScheduledFuture retryScheduledFuture;
+        final AtomicInteger retryCounter = new AtomicInteger(0);
+        // retry task schedule period
+        long retryPeriod;
+        // if no failed report, wait how many times to run retry task.
+        int retryTimesIfNonFail = 600;
+
+        int retryLimit;
+
+        public MetadataReportRetry(int retryTimes, int retryPeriod) {
+            this.retryPeriod = retryPeriod;
+            this.retryLimit = retryTimes;
+        }
+
+        void startRetryTask() {
+            if (retryScheduledFuture == null) {
+                synchronized (retryCounter) {
+                    if (retryScheduledFuture == null) {
+                        retryScheduledFuture = retryExecutor.scheduleWithFixedDelay(
+                            () -> {
+                                // Check and connect to the metadata
+                                try {
+                                    int times = retryCounter.incrementAndGet();
+                                    logger.info("start to retry task for metadata report. retry times:" + times);
+                                    if (retry() && times > retryTimesIfNonFail) {
+                                        cancelRetryTask();
+                                    }
+                                    if (times > retryLimit) {
+                                        cancelRetryTask();
+                                    }
+                                } catch (Throwable t) { // Defensive fault tolerance
+                                    logger.error(
+                                        COMMON_UNEXPECTED_EXCEPTION,
+                                        "",
+                                        "",
+                                        "Unexpected error occur at failed retry, cause: " + t.getMessage(),
+                                        t);
+                                }
+                            },
+                            500,
+                            retryPeriod,
+                            TimeUnit.MILLISECONDS);
+                    }
+                }
+            }
+        }
+
+        void cancelRetryTask() {
+            if (retryScheduledFuture != null) {
+                retryScheduledFuture.cancel(false);
+            }
+            retryExecutor.shutdown();
+        }
+
+        void destroy() {
+            cancelRetryTask();
+        }
+
+        /**
+         * @deprecated only for test
+         */
+        @Deprecated
+        ScheduledExecutorService getRetryExecutor() {
+            return retryExecutor;
+        }
+    }
+
+    private void doSaveSubscriberData(SubscriberMetadataIdentifier subscriberMetadataIdentifier, List<String> urls) {
+        if (CollectionUtils.isEmpty(urls)) {
+            return;
+        }
+        List<String> encodedUrlList = new ArrayList<>(urls.size());
+        for (String url : urls) {
+            encodedUrlList.add(URL.encode(url));
+        }
+        doSaveSubscriberData(subscriberMetadataIdentifier, encodedUrlList);
+    }
+
+    protected abstract void doStoreProviderMetadata(
+        MetadataIdentifier providerMetadataIdentifier, String serviceDefinitions);
+
+    protected abstract void doStoreConsumerMetadata(
+        MetadataIdentifier consumerMetadataIdentifier, String serviceParameterString);
+
+    protected abstract void doSaveMetadata(ServiceMetadataIdentifier metadataIdentifier, URL url);
+
+    protected abstract void doRemoveMetadata(ServiceMetadataIdentifier metadataIdentifier);
+
+    protected abstract List<String> doGetExportedURLs(ServiceMetadataIdentifier metadataIdentifier);
+
+    protected abstract void doSaveSubscriberData(
+        SubscriberMetadataIdentifier subscriberMetadataIdentifier, String urlListStr);
+
+    protected abstract String doGetSubscribedURLs(SubscriberMetadataIdentifier subscriberMetadataIdentifier);
+
+    /**
+     * @deprecated only for unit test
+     */
+    @Deprecated
+    protected ExecutorService getReportCacheExecutor() {
+        return reportCacheExecutor;
+    }
+
+    /**
+     * @deprecated only for unit test
+     */
+    @Deprecated
+    protected MetadataReportRetry getMetadataReportRetry() {
+        return metadataReportRetry;
+    }
+}

employmentBusiness-pc-common/employmentBusiness-pc-common-encrypt/src/main/java/org/dromara/common/encrypt/core/encryptor/AbstractEncryptor.java

+package org.dromara.common.encrypt.core.encryptor;
+
+import org.dromara.common.encrypt.core.EncryptContext;
+import org.dromara.common.encrypt.core.IEncryptor;
+
+/**
+ * 所有加密执行者的基类
+ *
+ * @author 老马
+ * @version 4.6.0
+ */
+public abstract class AbstractEncryptor implements IEncryptor {
+
+    public AbstractEncryptor(EncryptContext context) {
+        // 用户配置校验与配置注入
+    }
+
+}

employmentBusiness-pc-nacos/src/main/java/com/alibaba/nacos/config/ActuatorAuthFilter.java

+package com.alibaba.nacos.config;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+public class ActuatorAuthFilter implements Filter {
+
+    private final String username;
+    private final String password;
+
+    public ActuatorAuthFilter(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+        HttpServletRequest request = (HttpServletRequest) servletRequest;
+        HttpServletResponse response = (HttpServletResponse) servletResponse;
+
+        // 获取 Authorization 头
+        String authHeader = request.getHeader("Authorization");
+
+        if (authHeader == null || !authHeader.startsWith("Basic ")) {
+            // 如果没有提供 Authorization 或者格式不对，则返回 401
+            response.setHeader("WWW-Authenticate", "Basic realm=\"realm\"");
+            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
+            return;
+        }
+
+        // 解码 Base64 编码的用户名和密码
+        String base64Credentials = authHeader.substring("Basic ".length());
+        byte[] credDecoded = Base64.getDecoder().decode(base64Credentials);
+        String credentials = new String(credDecoded, StandardCharsets.UTF_8);
+        String[] split = credentials.split(":");
+        if (split.length != 2) {
+            response.setHeader("WWW-Authenticate", "Basic realm=\"realm\"");
+            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
+            return;
+        }
+        // 验证用户名和密码
+        if (!username.equals(split[0]) && password.equals(split[1])) {
+            response.setHeader("WWW-Authenticate", "Basic realm=\"realm\"");
+            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
+            return;
+        }
+        // 如果认证成功，继续处理请求
+        filterChain.doFilter(request, response);
+    }
+
+    @Override
+    public void init(FilterConfig filterConfig) {
+    }
+
+    @Override
+    public void destroy() {
+    }
+
+}