ExtJs学习笔记(12)_Anchor布局

Anchor布局的效果直接看代码和效果图最为直观
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>Window LayOut</title>
    <link rel="stylesheet" type="text/css" href="../resources/css/ext-all.css" />   
     <script type="text/javascript" src="../adapter/ext/ext-base.js"></script>
    <script type="text/javascript" src="../ext-all-debug.js"></script>
    <style type="text/css">
    .x-panel-body p {
        margin:10px;
        font-size:12px;
    }
    </style>
</head>
<body>
<script type="text/javascript">

    //Anchor Layout要点:"1.容器内的组件要么指定宽度，要么在anchor中同时指定高/宽，2.anchor值通常只能为负值(指非百分比值)，正值没有意义，3.anchor必须为字符串值"
    Ext.onReady(function() {
        var panel1 = new Ext.Panel({
            title: "panel1",
            height: 100,
            anchor: '-50',
            html: "高度等于100，宽度=容器宽度-50"
        });

        var panel2 = new Ext.Panel({
            title: "panel2",
            height: 100,
            anchor: '50%',
            html: "高度等于100,宽度=容器宽度的50%"

        });

        var panel3 = new Ext.Panel({
            title: "panel3",
            anchor: '-10, -250',
            html: "宽度=容器宽度-10,高度=容器宽度-250"

        });

        var win = new Ext.Window({
            title: "Anchor Layout",
            height: 400,
            width: 400,
            plain: true,                    
            layout: 'anchor',
            items: [panel1, panel2,panel3]            
        });

        win.show();

    });
</script>
</body>
</html>