效果图如下：
源码：
<!DOCTYPE html>
<html>
<head>
<title>Collapsed text</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<link rel="stylesheet" type="text/css" href="../../../codebase/dhtmlx.css"/>
<script src="../../../codebase/dhtmlx.js"></script>
<style>
div#layoutObj {
position: relative;
margin-top: 20px;
margin-left: 20px;
600px;
height: 400px;
}
</style>
<script>
var myLayout;
var sel;
function doOnLoad() {
myLayout = new dhtmlXLayoutObject({
parent: "layoutObj",
pattern: "3L",
cells: [
{id: "a", text: "Main Page", collapsed_text: "Expand to view main page"},
{id: "b", text: "Site Navigation", collapsed_text: "Expand to navigae"},
{id: "c", text: "Support & Feedback"}
]
});
myLayout.cells("a").attachHTMLString("Custom collapsed text here");
myLayout.cells("b").attachHTMLString("Custom collapsed text here");
myLayout.cells("c").attachHTMLString("Collapsed text not changed here");
}
</script>
</head>
<body onload="doOnLoad();">
<div id="layoutObj"></div>
</body>
</html>