静态文件的缓存处理

来源：互联网发布：js实现二维码生成编辑：程序博客网时间：2024/05/22 15:39

对js文件，css文件缓存处理

通过配置数据库里面的版本号，每次发版修改版本号。

通过controll层返回版本号到jsp页面，${xxx}获取版本号

1. control 层

@RequestMapping("")
public String indexHome( ModelMap model){
//获取版本
String STATIC_VERSION = 调用数据库连接获取版本号
model.put("version",STATIC_VERSION);
return "index";
}

2. jsp页面

<%@ page contentType="text/html;charset=UTF-8" language="java"%>
<!DOCTYPE html>
<html lang="zh">
<head>
<meta content="webkit" name="renderer" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" >
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<base href="${pageContext.request.scheme}://${pageContext.request.serverName}:${pageContext.request.serverPort}${pageContext.request.contextPath}/">
<title></title>
<script>
var currentVersion = ${version};
</script>

<link rel="stylesheet" type="text/css" href="css/index.css?v=${version}" media="all">
<link rel="shortcut icon" type="image/x-icon" href="img/favicon.ico" media="screen" />

</head>
<body>
<script src="js/libs/common/MarkerTool.js"></script>
<script data-main="js/main" src="js/libs/require/require.js"></script>
</body>
</html>

3. main.js文件

require.config({

urlArgs: "r=" + currentVersion,
baseUrl : 'js',
shim: {
underscore: {
deps:['jquery'],
exports: '_'
},
backbone: {
deps: [
'underscore',
'jquery'
],
exports: 'Backbone'
}
},
paths : {
jquery : 'libs/jquery/jquery-1.12.4',
underscore : 'libs/underscore/underscore',
backbone : 'libs/backbone/backbone'
},
waitSeconds: 0
});

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