Randomintgenerator

The method setPrefix raises a INVALID_CHARACTER_ERR if the specified prefix contains an illegal character.

XML文件读写，EXCLE文件读写！Java 时间监听。(The XML file to read and write, EXCLE file read and write!Java time listening.)

水库调度中的基本类，主要用于发电调度，包括水库类、曲线类、发电调度图类等(A basic Java code package for reservoir dispatch，consist of hydrostation class、curve class、dispatch graph class，etc.)

定位功能：提供GPS、基站、Wi-Fi等多种定位方式，适用于室内、外多种定位场景； 基础地图：包括基础地图、卫星图、路况图和各种覆盖物，及与地图相关的操作、事件监听； 导航功能：提供语音播报、路线规划和线路导航的能力，帮助开发者实现导航业务需求； 检索功能：包括POI检索，公交信息查询，路线规划，地理编码查询，在线建议检索，短串分享等； LBS云检索：包括LBS云检索（周边、区域、城市内、详情）； 计算工具：包括距离计算、坐标转换、调起百度地图导航等功能； 全景图功能：包括检索、展示全景图，与全景图进行交互及在全景图内添加覆盖物的能力；(Location: Provides GPS, base stations, Wi-Fi and other various positioning methods, suitable for indoor and outdoor various positioning scenarios Basemap: includes basic maps, satellite maps, road maps and a variety of covers, and related map operations, event listeners Navigation functions: to provide voice broadcast, route planning and route navigation capabilities to help developers navigate the business needs Search functions include: POI search, public transportation information inquiry, route planning, geocoding queries, suggestions online retri , sharing a short string LBS cloud retri include: LBS Cloud Retri (perimeter, area, within the city, details) Calculation tools include: distance calculation, coordinate conversion, transfer Baidu map navigation and other functions Panorama features include: search, display panoramas, to interact with the panorama and add the ability to cover in the panorama )

用户登录上后可以进行借书管理，当书籍数量不足时借书失败，当读者借书成功后系统会自动规定读者还书时间(After the user logs in, he can manage the borrowing of books. When the number of books is insufficient, he fails to borrow books. When the reader borrows books successfully, the system will automatically stipulate the time for the reader to return the books.)

说明：  使用java开发，电梯调度系统，能正确根据现实生活中电梯情况来实现(Elevator dispatching system)

H-ui前端框架是在bootstrap的思想基础上基于 HTML、CSS、java script开发的轻量级web前端框架，开源免费，简单灵活，兼容性好，满足大多数中国网站。(H-ui front frame is based on the idea of bootstrap on HTML, CSS, java script developed lightweight web front frame, free open source, simple, flexible, good compatibility, meet the majority of Chinese websites.)

一个简单的JAVA实例,取得目录的文件信息(A simple JAVA example, the directory file information)

SVM that uses eigen faces for face recognition

file菜单—包括两个菜单项（图1）： op 联合开发网 - pudn.com