Internet has become the default platform of current application program. However, with the growing complexity of application program, traditional click-wait style web application gradually cannot meet customers'requirement for quick interaction. The appearance of Rich Internet Application improves this situation.On the basis of research on several popular RIA technologies in the current industry, the working principles and processes of AJAX-the typical technology are emphasized and RIA developing mode based on AJAX is studied on. At the end of this article, a strategy to accomplish AJAX cross-domain access, i.e. XMLHTTP proxy plus JSON is forwarded. Application of this method in the subproject of"national science and technology basic platform"-"software sharing system between different areas"is also proved successful. |