JavaScript / HTML5 新闻

使用 JavaScript 从 URL 读取 Excel XLSX 文件

10月 11, 2024
MESCIUS 推出的 SpreadJS 使您能够将 Excel 文件从指定的 URL 直接导入您的 JavaScript Web 应用程序。

SpreadJS by MESCIUS is a high-performance JavaScript spreadsheet component designed to seamlessly integrate Excel-like functionality into web applications. It empowers developers to deliver robust spreadsheet experiences within their applications, complete with features like data import/export, complex formulas, conditional formatting, and extensive customization options. SpreadJS caters to a wide range of use cases, from financial modeling and data analysis to project management and interactive dashboards, ultimately allowing developers to build feature-rich and user-friendly web applications.

In this blog post, MESCIUS Product Marketing Specialist Mackenzie Albitz demonstrates how to leverage the SpreadJS JavaScript spreadsheet API to effortlessly import and read Excel files from designated URLs. Steps include:

  • Creating a JavaScript Spreadsheet application
  • Fetching XLSX from the URL and Returning the File as a Blob
  • Reading the Excel File Blob and Importing it into the JS Spreadsheet Instance

Detailed JavaScript and HTML code is included to help you along.

Read the complete blog and learn how to integrate a spreadsheet component into your web applications without the need for an external program.

SpreadJS is licensed per developer and includes 1 Year Maintenance (major and minor version releases and unlimited support phone calls). SpreadJS requires an Annual or Perpetual Deployment License. The optional Add-ons are available at an additional cost, and require a SpreadJS license. See our SpreadJS licensing page for full details.

For more information, visit our SpreadJS product page.

用甘特图可视化您的项目目标

10月 10, 2024
团队可以使用甘特图直观地将复杂项目分解为可管理的步骤，并保持对关键目标的关注。

Gantt charts, a specialized type of bar chart, are invaluable tools for project management, particularly in visualizing and tracking the timeline of tasks, dependencies, and progress. These charts are ideal for illustrating project schedules, resource allocation, and critical paths. By providing a clear and concise overview of project milestones, Gantt charts facilitate effective planning, communication, and monitoring, ultimately helping organizations achieve project goals efficiently and on time.

Several React chart controls provide Gantt charts including:

  • DevExtreme Chart (part of DevExtreme Complete by DevExpress) allows you to easily manage Gantt charts with dependencies, progress tracking, and interactive timelines.
  • Highcharts Gantt by Highsoft facilitates dynamic project management with drag-and-drop functionality, task dependencies, and real-time updating across complex timelines.
  • KendoReact Chart (part of KendoReact by Telerik) lets you create interactive Gantt charts with task planning, progress tracking, and seamless integration with React.
  • Wijmo FlexChart and FinancialChart (part of Wijmo by MESCIUS) supports Gantt charts with customizable time scales, dependencies, milestones, and rich visualizations.

For an in-depth analysis of features and price, visit our React chart controls comparison.

Compare React Chart Controls

用 3D 体积呈现查看 DICOM 图像

10月 10, 2024
LEADTOOLS 为开发人员提供先进的 DICOM 显示和可定制的工具，以简化医学成像。

LEADTOOLS Medical SDK is designed to streamline the development of medical applications, offering support for DICOM datasets, 8-16 bit extended grayscale images, and advanced image annotation capabilities. It also includes specialized tools for displaying images, such as window leveling and LUT (Look-Up Table) processing, as well as medical-specific image processing. Additional features include lossless JPEG compression and the ability to process both signed and unsigned image data. The Medical Imaging Suite expands on this functionality with enhanced features, including HTML/JavaScript viewing for web-based medical image access.

LEADTOOLS Medical 3D Volume Rendering libraries enable developers to visualize medical data using techniques like VRT, MIP, MPR, and SSD. These tools provide interactive controls for window levels, zoom, and density adjustments, along with customizable settings for appearance, such as borders and resolution. The libraries enhance performance with cached 3D volumes for faster load times and include advanced features like 3D reference lines and synchronized stack navigation with a 3D cursor, making it a valuable tool for precise and efficient medical imaging applications.

LEADTOOLS Medical SDK is licensed as Development Licenses, for developers to use the SDKs, and Deployment Licenses, for the right to distribute end user solutions. See our LEADTOOLS Medical SDK licensing page for full details.

Learn more on our LEADTOOLS Medical SDK product page and LEADTOOLS Medical Suite SDK product page.

在 Angular 应用程序中更准确地调整值

10月 8, 2024
通过适用于 Angular 的动态、可自定义范围跟踪条解锁精确的用户控件和无缝数据交互。

A range trackbar is a UI control that allows users to select a numeric value or a range of values within a predefined minimum and maximum. The range trackbar offers a user-friendly way to adjust values dynamically by dragging a slider, and it can be bound to data using Angular's two-way data binding. This component is particularly beneficial for scenarios where precision control over numeric input is needed, such as setting thresholds, adjusting parameters, or configuring settings, enhancing user interaction and simplifying input collection.

Several Angular Data Editor controls support range trackbars including:

For an in-depth analysis of features and price, visit our comparison of Angular Dada Editor components.

Compare Angular Data Editor Components

在您的应用程序中轻松创建和管理关系图

10月 8, 2024
生成交互式关系图，其可以用流程图、UML 关系图和网络图来增强您的 Web 应用程序。

JavaScript diagramming components are libraries that enable developers to create interactive and dynamic diagrams in web applications. By offering customizable elements like nodes and connectors, they simplify the visualization of complex data, workflows, and processes. These components save development time and enhance user experience with pre-built tools for creating diagrams without the need for manual graphics handling. Common use cases include business process modeling, network architecture visualization, and organizational charts, making them ideal for applications requiring dynamic content and real-time collaboration.

Several JavaScript UI suites offer diagramming controls including:

  • DevExtreme Complete by DevExpress lets you create interactive diagrams and charts with a wide range of customization options.
  • Kendo UI by Telerik provides robust JavaScript diagramming tools for creating interactive, customizable diagrams with automatic layouts and real-time updates.
  • Sencha Ext JS facilitates the creation of complex diagrams and graphs with a focus on performance and scalability.
  • Syncfusion Essential Studio Enterprise empowers you to design and develop custom diagrams and charts with a rich feature set.

For an in-depth analysis of features and price, visit our JavaScript UI suites comparison.

Compare JavaScript UI Suites