uploadDocumentBlob方法(DocumentFactory) | Leadtools。JavaScript文件| HTML5的帮助

uploadDocumentBlob方法

DocumentHelper.js< / div >

UploadDocumentBlob.html< / div >< / div >< div id ="GenericContainerEntry5519" class="GenericContainerEntry">

进口{DocumentHelper}从“. . / . . /工具/ DocumentHelper”;出口类DocumentFactory_UploadDocumentBlobExample {公共构造函数(){lt.RasterSupport.setLicenseUri (“https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt”,“EVAL”,零);DocumentHelper.initFactory ();}公共运行= (buttonID:字符串)= > {. getelementbyid (buttonID)。onclick =这.onClick;}onClick = () = > {/ /加载初始文档常量url =“https://demo.leadtools.com/images/pdf/leadtools.pdf”;这.loadDocument (url,真正的);}loadDocument =(网址:字符串downloadAfterLoad:布尔)= > {DocumentHelper.log (“加载文件”+ url);lt.Document.DocumentFactory.loadFromUri (url,新lt.Document.LoadDocumentOptions ()).done ((doc) = > {DocumentHelper.log (“文档加载和缓存id:”+ doc.documentId);如果(downloadAfterLoad) {这.afterLoadDocument (doc);}})fail (DocumentHelper.showServiceError);}afterLoadDocument =(医生:lt.Document.LEADDocument) = > {/ /下载数据lt.Document.DocumentFactory.downloadDocumentData (doc.documentId零,假).done((结果)= > {DocumentHelper.log (“完成下载,mime类型:“+的结果。mimeType +数据长度:“+ result.data.byteLength);/ /上传数据到另一个文档/ /创建一个blob从这个文档常量数据= result.data;常量blob =新Blob ([新Uint8Array(数据、0 data.byteLength)]);这.uploadDocument (blob);})fail (DocumentHelper.showServiceError);}uploadDocument = (blob: blob) = > {/ /启动数据常量uploadDocumentOptions =新lt.Document.UploadDocumentOptions ();/ /如果有文档的总大小设置。/ /这将有助于优化上传过程的服务uploadDocumentOptions。documentDataLength = blob.size;lt.Document.DocumentFactory.beginUploadDocument (uploadDocumentOptions).done ((uploadUri) = > {/ /上传数据lt.Document.DocumentFactory。uploadDocumentBlob (uploadUri, blob).done (() = > {/ /完成它lt.Document.DocumentFactory.endUpload (uploadUri).done (() = > {/ /加载它并检查这.loadDocument (uploadUri假);})fail (DocumentHelper.showServiceError);})fail (DocumentHelper.showServiceError);})fail (DocumentHelper.showServiceError);}}

出口类DocumentHelper {静态showServiceError = (jqXHR statusText errorThrown) = > {alert (“从服务返回错误。有关详细信息,请参阅控制台”。);常量serviceError = lt.Document.ServiceError。parseError (jqXHR statusText errorThrown);console.error (serviceError);}静态日志=(信息:字符串、数据吗?任何)= > {常量outputElement = . getelementbyid (“输出”);如果(outputElement) {常量时间= (新日期()).toLocaleTimeString ();常量textElement = document.createElement (“p”);textElement。innerHTML = (outputElement。childElementCount + 1) +“(”+时间+“:”+消息;outputElement。方法(textElement outputElement.firstChild);}如果数据(!)console.log(消息);其他的控制台。日志(消息、数据);}静态initFactory = () = > {/ /与DocumentsService通信,它必须运行!/ /更改这些参数匹配服务的路径。lt.Document.DocumentFactory。serviceHost =“http://localhost: 40000”;lt.Document.DocumentFactory。servicePath =”“;lt.Document.DocumentFactory。serviceApiPath =“api”;}}

进口{DocumentHelper}从“. . / . . /工具/ DocumentHelper”;出口类DocumentFactory_UploadDocumentBlobExample {构造函数(){lt.RasterSupport.setLicenseUri (“https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt”,“EVAL”,零);DocumentHelper.initFactory ();}运行= (buttonID) = > {. getelementbyid (buttonID)。onclick =这.onClick;}onClick = () = > {/ /加载初始文档常量url =“https://demo.leadtools.com/images/pdf/leadtools.pdf”;这.loadDocument (url,真正的);}loadDocument = (url, downloadAfterLoad) = > {DocumentHelper.log (“加载文件”+ url);lt.Document.DocumentFactory.loadFromUri (url,新lt.Document.LoadDocumentOptions ()).done ((doc) = > {DocumentHelper.log (“文档加载和缓存id:”+ doc.documentId);如果(downloadAfterLoad) {这.afterLoadDocument (doc);}})fail (DocumentHelper.showServiceError);}afterLoadDocument = (doc) = > {/ /下载数据lt.Document.DocumentFactory.downloadDocumentData (doc.documentId零,假).done((结果)= > {DocumentHelper.log (“完成下载,mime类型:“+的结果。mimeType +数据长度:“+ result.data.byteLength);/ /上传数据到另一个文档/ /创建一个blob从这个文档常量数据= result.data;常量blob =新Blob ([新Uint8Array(数据、0 data.byteLength)]);这.uploadDocument (blob);})fail (DocumentHelper.showServiceError);}uploadDocument = (blob) = > {/ /启动数据常量uploadDocumentOptions =新lt.Document.UploadDocumentOptions ();/ /如果有文档的总大小设置。/ /这将有助于优化上传过程的服务uploadDocumentOptions。documentDataLength = blob.size;lt.Document.DocumentFactory.beginUploadDocument (uploadDocumentOptions).done ((uploadUri) = > {/ /上传数据lt.Document.DocumentFactory。uploadDocumentBlob (uploadUri, blob).done (() = > {/ /完成它lt.Document.DocumentFactory.endUpload (uploadUri).done (() = > {/ /加载它并检查这.loadDocument (uploadUri假);})fail (DocumentHelper.showServiceError);})fail (DocumentHelper.showServiceError);})fail (DocumentHelper.showServiceError);}}

出口类DocumentHelper {静态showServiceError = (jqXHR statusText errorThrown) = > {alert (“从服务返回错误。有关详细信息,请参阅控制台”。);常量serviceError = lt.Document.ServiceError。parseError (jqXHR statusText errorThrown);console.error (serviceError);}静态日志=(消息、数据)= > {常量outputElement = . getelementbyid (“输出”);如果(outputElement) {常量时间= (新日期()).toLocaleTimeString ();常量textElement = document.createElement (“p”);textElement。innerHTML = (outputElement。childElementCount + 1) +“(”+时间+“:”+消息;outputElement。方法(textElement outputElement.firstChild);}如果数据(!)console.log(消息);其他的控制台。日志(消息、数据);}静态initFactory = () = > {/ /与DocumentsService通信,它必须运行!/ /更改这些参数匹配服务的路径。lt.Document.DocumentFactory。serviceHost =“http://localhost: 40000”;lt.Document.DocumentFactory。servicePath =”“;lt.Document.DocumentFactory。serviceApiPath =“api”;}}

< !doctype html >< html lang =“en”><标题>文档例子| UploadDocumentBlob < /名称><头>< script src =“https://code.jquery.com/jquery-2.2.4.min.js”诚信=“sha256-BbhdlvQf / xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44 = "crossorigin =“匿名”> < /脚本>< script src =“. . / . . / LT / Leadtools.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Controls.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Annotations.Engine.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Annotations.Designers.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Annotations.Rendering.Javascript.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Annotations.Automation.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.ImageProcessing.Main.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.ImageProcessing.Color.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.ImageProcessing.Core.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.ImageProcessing.Effects.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Document.js”> < /脚本>< script src =“. . / . . / LT / Leadtools.Document.Viewer.js”> < /脚本>< link rel =“样式表”类型=“文本/ css”href =“. . / . . / css / examples.css”>< !——所有演示文件捆绑和附加到窗口- - >< script src =“. . / . . / bundle.js”类型=“text / javascript”> < /脚本>< / >头<身体>< div ><按钮类型=“按钮”id =“exampleButton”> > < /按钮运行例子< / div >< div id =“输出”> < / div >< div >< img id =“img”/ >< / div >< /身体><脚本>窗口。onload = () = > {常量示例=新window.examples.DocumentFactory.UploadDocumentBlob ();example.run (“exampleButton”);};> < /脚本< / html >

uploadDocumentBlob方法

参数

返回值

参考