Ext.js提供了许多应用程序中使用的主题.您可以添加不同的主题来代替经典主题，并查看输出中的差异.这可以通过替换前面解释的主题CSS文件来完成.
考虑你的第一个Hello World应用程序.从应用程序中删除以下CSS.
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css
添加以下CSS以使用海王星主题.
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-neptune/resources/theme-neptune-all.css
要查看效果，请尝试以下程序.
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-neptune/resources/theme-neptune-all.css"
rel = "stylesheet" />
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
<script type = "text/javascript">
Ext.onReady(function() {
Ext.create('Ext.Panel', {
renderTo: 'helloWorldPanel',
height: 200,
width: 600,
title: 'Hello world',
html: 'First Ext JS Hello World Program'
});
});
</script>
</head>
<body>
<div id = "helloWorldPanel" />
</body>
</html>考虑您的第一个Hello World应用程序。 从应用程序中删除以下CSS。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css
添加以下CSS以使用Neptune主题。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-crisp/resources/theme-crisp-all.css
要查看效果，请尝试以下程序。
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-crisp/resources/theme-crisp-all.css"
rel = "stylesheet" />
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
<script type = "text/javascript">
Ext.onReady(function() {
Ext.create('Ext.Panel', {
renderTo: 'helloWorldPanel',
height: 200,
width: 600,
title: 'Hello world',
html: 'First Ext JS Hello World Program'
});
});
</script>
</head>
<body>
<div id = "helloWorldPanel" />
</body>
</html>考虑您的第一个Hello World应用程序。 从应用程序中删除以下CSS。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css
添加以下CSS以使用Triton主题。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-triton/resources/theme-triton-all.css
要查看效果，请尝试以下程序。
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-triton/resources/theme-triton-all.css"
rel = "stylesheet" />
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
<script type = "text/javascript">
Ext.onReady(function() {
Ext.create('Ext.Panel', {
renderTo: 'helloWorldPanel',
height: 200,
width: 600,
title: 'Hello world',
html: 'First Ext JS Hello World Program'
});
});
</script>
</head>
<body>
<div id = "helloWorldPanel" />
</body>
</html>考虑您的第一个Hello World应用程序。 从应用程序中删除以下CSS。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css
添加以下CSS以使用灰色主题。
https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-gray/resources/theme-gray-all.css
要查看效果，请尝试以下程序。
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-gray/resources/theme-gray-all.css"
rel = "stylesheet" />
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
<script type = "text/javascript">
Ext.onReady(function() {
Ext.create('Ext.Panel', {
renderTo: 'helloWorldPanel',
height: 200,
width: 600,
title: 'Hello world',
html: 'First Ext JS Hello World Program'
});
});
</script>
</head>
<body>
<div id = "helloWorldPanel" />
</body>
</html>
