Ajax in Oracle JDeveloper_ajax oracle-优快云博客

本文详细介绍了Asynchronous JavaScript and XML (Ajax)技术，这是一种用于浏览器和服务器间异步数据传输的网络技术，可以实现在不重新加载整个网页的情况下更新部分内容。文章还讨论了使用Ajax的优势，包括减少响应时间和服务器负载，并介绍了如何在Oracle JDeveloper中应用Ajax。

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Asynchronous JavaScript and XML (Ajax) is a web technique used to transfer data between a browser and server asynchronously without posting the web page to the server. "Asynchronously" implies that the processing of the web page continues while the Ajax request is sent to the server and a response is received from the server. The web page, or section(s) of the web page, is refreshed with the Ajax response without reposting the web page. Ajax has the following advantages over non-Ajax web applications.

*Reduced response time and reduced server load, as the complete web page is not reposted.
*Reduced bandwidth of web applications as only data is transferred and the HTML format is applied in the browser.
*Separation of data, format and style.

The book covers web search and RSS Feed with Ajax as well as form validation with Ajax frameworks for Java, JSP, JSF, and PHP. It discusses using Ajax in Oracle JDeveloper and is IDE based. JDeveloper has the following advantages over Eclipse IDE.

*JDeveloper 11g provides an integrated JavaScript Editor for Ajax/Web development.
*It also provides a PHP extension.
*JDeveloper has a built-in support for JSF and for JDBC.

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