建设项目公示对网站有什么要求用ps做网站页面的大小

建设项目公示对网站有什么要求,用ps做网站页面的大小,园区网络设计,成为架构师有多难大文件传输解决方案 - 专业实施方案 项目背景与技术需求分析 作为公司项目负责人#xff0c;我们面临的核心需求是构建一个安全可靠、高性能的大文件传输系统。经过深入分析#xff0c;现有开源组件无法满足以下关键需求#xff1a; 超大文件处理#xff1a;单文件100G支…大文件传输解决方案 - 专业实施方案项目背景与技术需求分析作为公司项目负责人我们面临的核心需求是构建一个安全可靠、高性能的大文件传输系统。经过深入分析现有开源组件无法满足以下关键需求超大文件处理单文件100G支持文件夹结构保持高稳定性断点续传浏览器刷新/关闭后进度不丢失国密加密支持SM4/AES双算法传输存储全加密全面兼容性IE8、多框架、多数据库支持非打包下载避免服务器内存溢出问题阿里云集成OSS对象存储ECS服务器部署技术架构设计前端核心实现Vue2兼容版本export default { name: EnterpriseFileUploader, data() { return { fileList: [], uploadManager: null, isIE8: navigator.userAgent.indexOf(MSIE 8.0) -1 } }, } }后端JSP/Servlet实现% page importcom.enterprise.file.service.* % % page importcom.enterprise.file.crypto.* % % page importjava.util.* % % page contentTypeapplication/json;charsetUTF-8 languagejava % % // file-upload.jsp response.setHeader(X-Content-Type-Options, nosniff); response.setHeader(X-Frame-Options, DENY); FileUploadService uploadService new FileUploadService(); CryptoService cryptoService new CryptoService(); String action request.getParameter(action); try { if (initUpload.equals(action)) { String fileName request.getParameter(fileName); long fileSize Long.parseLong(request.getParameter(fileSize)); String fileHash request.getParameter(fileHash); String folderPath request.getParameter(folderPath); UploadSession session uploadService.initUploadSession( fileName, fileSize, fileHash, folderPath); out.print({\success\:true,\sessionId\:\ session.getSessionId() \}); } } catch (Exception e) { out.print({\success\:false,\message\:\ e.getMessage() \}); } %SpringBoot兼容控制器RestControllerRequestMapping(/api/enterprise/file)publicclassEnterpriseFileController{AutowiredprivateFileUploadServicefileUploadService;AutowiredprivateCryptoServicecryptoService;PostMapping(/uploadChunk)publicResponseEntityuploadChunk(RequestParamStringsessionId,RequestParamintchunkIndex,RequestParamStringchunkHash,RequestParamMultipartFilechunk){try{byte[]chunkDatachunk.getBytes();// 哈希验证if(!chunkHash.equals(cryptoService.calculateHash(chunkData))){returnResponseEntity.badRequest().body(Collections.singletonMap(success,false));}}}加密服务实现ServicepublicclassEnterpriseCryptoService{Value(${encryption.algorithm:SM4})privateStringdefaultAlgorithm;Value(${encryption.sm4.key:})privateStringsm4Key;Value(${encryption.aes.key:})privateStringaesKey;publicbyte[]encrypt(byte[]data,Stringalgorithm)throwsCryptoException{if(algorithmnull)algorithmdefaultAlgorithm;try{if(SM4.equalsIgnoreCase(algorithm)){returnencryptSM4(data);}elseif(AES.equalsIgnoreCase(algorithm)){returnencryptAES(data);}else{thrownewCryptoException(不支持的加密算法: algorithm);}}catch(Exceptione){thrownewCryptoException(加密失败,e);}}}数据库多支持配置ConfigurationpublicclassMultiDatabaseConfig{BeanConfigurationProperties(prefixspring.datasource)publicDataSourcedataSource(Environmentenv){StringdbTypeenv.getProperty(database.type,mysql);HikariDataSourcedataSourcenewHikariDataSource();switch(dbType.toLowerCase()){casemysql:dataSource.setDriverClassName(com.mysql.cj.jdbc.Driver);dataSource.setJdbcUrl(env.getProperty(spring.datasource.url));break;caseoracle:dataSource.setDriverClassName(oracle.jdbc.OracleDriver);dataSource.setJdbcUrl(env.getProperty(spring.datasource.url));break;casesqlserver:dataSource.setDriverClassName(com.microsoft.sqlserver.jdbc.SQLServerDriver);dataSource.setJdbcUrl(env.getProperty(spring.datasource.url));break;default:thrownewIllegalArgumentException(不支持的数据库类型: dbType);}dataSource.setUsername(env.getProperty(spring.datasource.username));dataSource.setPassword(env.getProperty(spring.datasource.password));returndataSource;}}阿里云OSS集成ServicepublicclassAliyunOssServiceimplementsStorageService{Value(${aliyun.oss.endpoint})privateStringendpoint;Value(${aliyun.oss.accessKeyId})privateStringaccessKeyId;Value(${aliyun.oss.accessKeySecret})privateStringaccessKeySecret;Value(${aliyun.oss.bucketName})privateStringbucketName;privateOSSossClient;PostConstructpublicvoidinit(){ossClientnewOSSClientBuilder().build(endpoint,accessKeyId,accessKeySecret);}PreDestroypublicvoiddestroy(){if(ossClient!null){ossClient.shutdown();}}OverridepublicvoiduploadChunk(StringfileKey,intchunkIndex,byte[]data){StringobjectNamechunks/fileKey/chunkIndex;try{ossClient.putObject(bucketName,objectName,newByteArrayInputStream(data));}catch(Exceptione){thrownewStorageException(OSS上传失败,e);}}OverridepublicInputStreamdownloadChunk(StringfileKey,intchunkIndex){StringobjectNamechunks/fileKey/chunkIndex;try{OSSObjectobjectossClient.getObject(bucketName,objectName);returnobject.getObjectContent();}catch(Exceptione){thrownewStorageException(OSS下载失败,e);}}}部署配置示例# application-prod.ymlserver:port:8080servlet:context-path:/file-servicespring:datasource:type:com.zaxxer.hikari.HikariDataSourcedriver-class-name:com.mysql.cj.jdbc.Driverurl:jdbc:mysql://localhost:3306/file_db?useSSLfalseserverTimezoneUTCusername:rootpassword:passwordhikari:maximum-pool-size:20minimum-idle:5encryption:algorithm:SM4sm4:key:${SM4_ENCRYPTION_KEY}aes:key:${AES_ENCRYPTION_KEY}aliyun:oss:endpoint:https://oss-cn-beijing.aliyuncs.comaccessKeyId:${OSS_ACCESS_KEY_ID}accessKeySecret:${OSS_ACCESS_KEY_SECRET}bucketName:enterprise-file-bucketstorage:chunk-size:10485760# 10MBmax-concurrent:5retry-times:3技术保障与实施计划兼容性保障措施IE8兼容采用ActiveX和传统表单提交混合方案多框架支持提供Vue/React/Angular/JSP多种集成方案数据库抽象层支持主流数据库无缝切换性能优化方案分片并发上传多线程并发处理提高速度内存优化流式处理避免内存溢出断点续传基于本地存储的进度持久化安全保障措施双算法加密SM4国密 AES国际标准分片校验每个分片单独哈希验证传输加密HTTPS 业务层加密双重保障98万授权方案包含内容源代码完全买断授权全部知识产权转移5年技术支持和更新完整技术文档和培训所有必需资质证明文件央企合作案例证明材料这套解决方案完全满足贵公司的所有技术要求特别是在安全性、兼容性和性能方面。我们可以提供完整的央企合作证明和技术资质文件确保项目顺利实施。导入项目导入到Eclipse点南查看教程导入到IDEA点击查看教程springboot统一配置点击查看教程工程NOSQLNOSQL示例不需要任何配置可以直接访问测试创建数据表选择对应的数据表脚本这里以SQL为例修改数据库连接信息访问页面进行测试文件存储路径up6/upload/年/月/日/guid/filename效果预览文件上传文件刷新续传支持离线保存文件进度在关闭浏览器刷新浏览器后进行不丢失仍然能够继续上传文件夹上传支持上传文件夹并保留层级结构同样支持进度信息离线保存刷新页面关闭页面重启系统不丢失上传进度。下载示例点击下载完整示例