麻烦帮小弟我看看，小弟我的dojo的tree如何不好使？多谢
日期：2014-05-18 浏览次数：20982 次
麻烦帮我看看，我的dojo的tree怎么不好使？谢谢！
我是想实现懒装入，在树刚展开的时候只显示第一层节点，等到要展开具体的第二层节点的时候再到后台去读数据。现在只能展开第一层节点，点击展开节点的那个加号没有反应。麻烦帮我看看是怎么回事。谢谢！
jsp页面如下
<script type= "text/javascript ">
dojo.require( "dojo.widget.* ");
dojo.require( "dojo.widget.TreeV3 ");
dojo.require( "dojo.widget.TreeNodeV3 ");
dojo.require( "dojo.widget.TreeLinkExtension ");
dojo.require( "dojo.widget.TreeSelectorV3 ");
dojo.require( "dojo.widget.TreeRPCController ");
dojo.require( "dojo.widget.TreeLoadingControllerV3 ");
dojo.require( "dojo.widget.TreeContextMenu ");
dojo.require( "dojo.widget.TreeDocIconExtension ");
dojo.require( "dojo.widget.TreeDisableWrapExtension ");
dojo.hostenv.writeIncludes();
</script>
<style>
.myCssClass {
font-family: Arial, Helvetica, sans-serif;
font-size: 18px;
font-style: italic;
}
.TreeIconTreeNonLeafIconnodetype1{
background-image: url( ' <%=request.getContextPath()%> /images/mailbox1.gif ');
}
.TreeIconTreeLeafIconnodetype1{
background-image: url( ' <%=request.getContextPath()%> /images/closed.gif ');
}
</style>
</head>
<body>
<script type= "text/javascript ">
var controller = dojo.widget.createWidget( "TreeLoadingControllerV3 ",
{widgetId: "controller ", DNDController: "create ",
RPCUrl: " <%=request.getContextPath()%> /getMenuTree.do "});
var link = dojo.widget.createWidget( "TreeLinkExtension ", {widgetId: "link "});
var docIcons = dojo.widget.createWidget( "TreeDocIconExtension ", {widgetId: "docIcons "});
var disableWrap = dojo.widget.createWidget( "TreeDisableWrapExtension ", {widgetId: "disableWrap "});
var treeSelector = dojo.widget.createWidget( "TreeSelectorv3 ", {widgetId: "treeSelector "});
dojo.event.topic.subscribe( "nodeSelected ", "treeSelectFired ");
dojo.addOnLoad(function(){
//var kw = {url:controller.rpcUrl, sync: "true "};
//controller.runRpc(kw);
//controller.DNDController = "create ";
var treeNodes = <%=request.getAttribute( "strMenus ")%> ;
/*
var treeNodes = [
{ "isFolder ":false, "title ": "title1 ", "tree ": "rootTree ", "objectId ": "775161 ", "widgetId ": "775161 "},
{ "isFolder ":true, "title ": "title2 ", "tree ": "rootTree ", "objectId ": "775162 ", &
我是想实现懒装入，在树刚展开的时候只显示第一层节点，等到要展开具体的第二层节点的时候再到后台去读数据。现在只能展开第一层节点，点击展开节点的那个加号没有反应。麻烦帮我看看是怎么回事。谢谢！
jsp页面如下
<script type= "text/javascript ">
dojo.require( "dojo.widget.* ");
dojo.require( "dojo.widget.TreeV3 ");
dojo.require( "dojo.widget.TreeNodeV3 ");
dojo.require( "dojo.widget.TreeLinkExtension ");
dojo.require( "dojo.widget.TreeSelectorV3 ");
dojo.require( "dojo.widget.TreeRPCController ");
dojo.require( "dojo.widget.TreeLoadingControllerV3 ");
dojo.require( "dojo.widget.TreeContextMenu ");
dojo.require( "dojo.widget.TreeDocIconExtension ");
dojo.require( "dojo.widget.TreeDisableWrapExtension ");
dojo.hostenv.writeIncludes();
</script>
<style>
.myCssClass {
font-family: Arial, Helvetica, sans-serif;
font-size: 18px;
font-style: italic;
}
.TreeIconTreeNonLeafIconnodetype1{
background-image: url( ' <%=request.getContextPath()%> /images/mailbox1.gif ');
}
.TreeIconTreeLeafIconnodetype1{
background-image: url( ' <%=request.getContextPath()%> /images/closed.gif ');
}
</style>
</head>
<body>
<script type= "text/javascript ">
var controller = dojo.widget.createWidget( "TreeLoadingControllerV3 ",
{widgetId: "controller ", DNDController: "create ",
RPCUrl: " <%=request.getContextPath()%> /getMenuTree.do "});
var link = dojo.widget.createWidget( "TreeLinkExtension ", {widgetId: "link "});
var docIcons = dojo.widget.createWidget( "TreeDocIconExtension ", {widgetId: "docIcons "});
var disableWrap = dojo.widget.createWidget( "TreeDisableWrapExtension ", {widgetId: "disableWrap "});
var treeSelector = dojo.widget.createWidget( "TreeSelectorv3 ", {widgetId: "treeSelector "});
dojo.event.topic.subscribe( "nodeSelected ", "treeSelectFired ");
dojo.addOnLoad(function(){
//var kw = {url:controller.rpcUrl, sync: "true "};
//controller.runRpc(kw);
//controller.DNDController = "create ";
var treeNodes = <%=request.getAttribute( "strMenus ")%> ;
/*
var treeNodes = [
{ "isFolder ":false, "title ": "title1 ", "tree ": "rootTree ", "objectId ": "775161 ", "widgetId ": "775161 "},
{ "isFolder ":true, "title ": "title2 ", "tree ": "rootTree ", "objectId ": "775162 ", &
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