java web前端easyui（layout+tree+双tabs）布局+树+2个选项卡tabs
1.列出要实现的样式：
2.实现的代码：
分三大部分：
1）：页面主体部分：mian.vm
<html>
<head>
<title>Ks UI</title>
#parse("ui:include")
<style>
body{padding:0;margin:0}
</style>
<script>
$(document).ready(function(){
var tabs_content = $("#content");
tabs_content.tabs({
border:false,
fit:true
}); //添加tab页面
function addTabs(tab){
tabs_content.tabs("add",{
title:tab.text,
closable:true,
content : '<iframe frameborder="0" scrolling="auto" width="100%" height="100%" src="${path}'+tab.url+'"></iframe>'
});
} $("#tree_menu").tree({
onClick: function(node){
console.log(node);
if(!tabs_content.tabs('exists',node.text)){
if(node.url){
addTabs(node);
}
}else{
tabs_content.tabs("select",node.text);
}
}
}); //添加欢迎页面
addTabs({
text:'欢迎使用Ks UI',
url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/welcome.vm'
});
});
</script>
</head>
<body class="easyui-layout">
<div data-options="region:'north'" style="height:70px"></div>
<div data-options="region:'west',split:true" title="菜单" style="width:240px;">
<ul class="easyui-tree" id="tree_menu" data-options="url:'$path/ui/resource/demo/data/tree.json',method:'get',animate:true"></ul>
</div>
<div data-options="region:'center'">
<div class="easyui-tabs" id="content" >
</div>
</div>
</body>
</html>
说明：这部分代码负责完成效果页面的整体框架和效果页面center上面的tabs，重点看tabs是如何实现的（代码<script>函数部分）
2）：center中竖着的tabs部分：
就是index.vm文件
<html>
<head>
<title></title>
#parse("ui:include")
<script>
$(document).ready(function(){
$("#tt").tabs({
tabPosition:'left',
fit:true,
onSelect:function(title,index){
open(index); }
}); function open(index){ var tab = $("#tt").tabs("getTab",index);
//console.log(tab);
//console.log(tab[0]);
//不重复打开
if(tab.attr("opend")){
return;
}
var url = tab.panel("options").url;
//var op=tab.panel("options");
//console.log(op);
if(url){
$(tab[0]).html('<iframe frameborder="0" scrolling="auto" width="100%" height="100%" src="${path}'+url+'"></iframe>');
tab.attr("opend",true);
} } open(0); });
</script>
</head>
<body> <div id="tt" class="easyui-tabs">
<div title="基本实现" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/base.vm'">
</div>
<div title="面板工具栏" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/mbgjl.vm'">
</div>
<div title="自定义工具栏" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/zdygjl.vm'">
</div>
<div title="面板页脚" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/mbyj.vm'">
</div>
<div title="加载面板内容" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/jzmbnr.vm'">
</div>
<div title="面板嵌套" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/mbqt.vm'">
</div>
<div title="流式面板" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/lsmb.vm'">
</div>
<div title="API" style="padding:10px;" data-options="url:'/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/api.vm'">
</div>
</div>
</body>
</html>
3）：竖着的tabs中的每个小窗口的示例文件：base.vm
<html>
<head>
<title></title>
#parse("ui:include")
</head>
<body>
<h2>基本面板Basic Panel</h2>
<p>面板是其他组件或元素的容器</p>
<div style="margin:20px 0 10px 0;">
<a href="#" class="easyui-linkbutton" onclick="javascript:$('#p').panel('open')">打开</a>
<a href="#" class="easyui-linkbutton" onclick="javascript:$('#p').panel('close')">关闭</a>
</div>
<div id="p" class="easyui-panel" title="Basic Panel" style="width:700px;height:200px;padding:10px;">
<p style="font-size:14px">jQuery EasyUI framework helps you build your web pages easily.</p>
<ul>
<li>easyui is a collection of user-interface plugin based on jQuery.</li>
<li>easyui provides essential functionality for building modem, interactive, javascript applications.</li>
<li>using easyui you don't need to write many javascript code, you usually defines user-interface by writing some HTML markup.</li>
<li>complete framework for HTML5 web page.</li>
<li>easyui save your time and scales while developing your products.</li>
<li>easyui is very easy but powerful.</li>
</ul>
</div>
</body>
</html>
附上：mian.vm中用到的tree.json:
[{
"text":"基础组件",
"children":[
{"text":"面板Panel","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/index.vm"},
{"text":"数据表格DataGrid","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/datagrid/index.vm"},
{"text":"树形数据表格TreeGrid","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/treegrid/index.vm"},
{"text":"分割按钮SplitButton","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/splitbutton/index.vm"},
{"text":"表单Form","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/form/index.vm"},
{"text":"下拉列表框ComboBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/combobox/index.vm"},
{"text":"数字文本框微调NumberSpinner","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/numberspinner/index.vm"},
{"text":"时间框微调TimeSpinner","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/timespinner/index.vm"},
{"text":"窗口Window","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/window/index.vm"},
{"text":"放置Droppable","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/droppable/index.vm"},
{"text":"手风琴菜单Accordion","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/accordion/index.vm"},
{"text":"数据列表DataList","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/datalist/index.vm"},
{"text":"链接按钮LinkButton","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/linkbutton/index.vm"},
{"text":"分页Pagination","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/pagination/index.vm"},
{"text":"文本框TextBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/textbox/index.vm"},
{"text":"数据表格下拉框ComboGrid","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/combogrid/index.vm"},
{"text":"日历Calendar","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/calendar/index.vm"},
{"text":"日期时间框微调DateTimeSpinner","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/datatimespinner/index.vm"},
{"text":"对话框Dialog","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/dialog/index.vm"},
{"text":"调整大小Resizable","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/resizable/index.vm"},
{"text":"选项卡Tabs","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/tabs/index.vm"},
{"text":"属性网格PropertyGrid","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/propertygrid/index.vm"},
{"text":"菜单Menu","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/menu/index.vm"},
{"text":"进度条ProgressBar","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/progressbar/index.vm"},
{"text":"文件框FileBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/filebox/index.vm"},
{"text":"树形下拉框ComboTree","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/combotree/index.vm"},
{"text":"日期框DateBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/datebox/index.vm"},
{"text":"滑动条Slider","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/slider/index.vm"},
{"text":"消息框Messager","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/messager/index.vm"},
{"text":"提示框Tooltip","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/tooltip/index.vm"},
{"text":"布局Layout","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/layout/index.vm"},
{"text":"树Tree","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/tree/index.vm"},
{"text":"菜单按钮MenuButton","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/menubutton/index.vm"},
{"text":"搜索框SearchBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/searchbox/index.vm"},
{"text":"自定义下拉框Combo","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/combo/index.vm"},
{"text":"数字文本框NumberBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/numberbox/index.vm"},
{"text":"日期时间框DateTimeBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/datetimebox/index.vm"},
{"text":"验证框ValidateBox","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/validatebox/index.vm"},
{"text":"拖动Draggable","url":"/cn/com/ksplatform/ui/demo/main/views/fcomponents/draggable/index.vm"}
]
},{
"text":"组合组件",
"children":[
]
},{
"text":"功能组件",
"children":[
{"text":"分页数据列表"}
]
}]
这篇博文的目的主要是学习，各个main.vm和index.vm中<script></script>间函数的写法，如何能熟练正确的使用easyui各个模块的属性和方法：
其中通过chrome浏览器的console平台，借助console.log()方法，打印出index.vm文件中比较难理解的几个变量值：onSelect:function(title,index)中的title和index分别是tabs中各个子窗口的标题和索引号，索引号从0开始；
var tab = $("#tt").tabs("getTab",index); 打印出这里的var tab变量是整个大的页面；
console.log(tab[0]); 注意console输出的这个tab[0]恰好是tabs中选中的子窗口页面；
var url = tab.panel("options").url 中的url就是：/cn/com/ksplatform/ui/demo/main/views/fcomponents/panel/base.vm，也就是在index.vm中每个子窗口的地址；
easyui中tree模块的属性：
$("#tree_menu").tree({
onClick: function(node){
console.log(node);
if(!tabs_content.tabs('exists',node.text)){
if(node.url){
addTabs(node);
}
}else{
tabs_content.tabs("select",node.text);
}
}
});
这个函数中的node是什么呢？
这点可以看easyui中tree的api（当然也可以直接console输出）：
每个节点都具备以下属性：
- id：节点ID，对加载远程数据很重要。
- text：显示节点文本。
- state：节点状态，'open' 或 'closed'，默认：'open'。如果为'closed'的时候，将不自动展开该节点。
- checked：表示该节点是否被选中。
- attributes: 被添加到节点的自定义属性。
- children: 一个节点数组声明了若干节点。
前端还是经验的积累，所以多看api！！，多参加实践！！
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