树形图(菜单)构建组建dhtmlXTree

官方地址：http://www.dhtmlx.com/docs/products/dhtmlxTree/index.shtml

可以使用如下几种格式来构建树

• loadCSV - loads tree from csv file|stream
• loadCSVString - loads tree from csv string
• loadJSArray - loads tree from js array object
• loadJSArrayFile - loads tree from js array file|stream
• loadJSON - loads tree from json file
• loadJSONObject - loads tree from json object
• loadOpenStates - restores open nodes from cookie
• loadState - loads tree from cookie
• loadXML - loads tree from xml file
• loadXMLString - loads tree from xml string

具体用法可以到时在google查询或看官方的demo