开源地址:https://github.com/odoo/odoo
超强的PY开源 Odoo是一套基于Web的开源商业应用程序。(免费随意使用)
学习教程,我看过非常清晰,学会的都可以成为基础高手
https://www.bilibili.com/video/av52670599?from=search&seid=5092712055439670650
下面列了五个例子来详细说明,这几个例子的主要功能是:在5秒后,自动跳转到同目录下的hello.html(根据自己需要自行修改)文件。
1) html的实现
<head>
<!-- 以下方式只是刷新不跳转到其他页面 -->
<meta http-equiv="refresh" content="10">
<!-- 以下方式定时转到其他页面 -->
<meta http-equiv="refresh" content="5;url=hello.html">
</head>
2) javascript的实现
<script language="javascript" type="text/javascript">
// 以下方式直接跳转
window.location.href='hello.html';
// 以下方式定时跳转
setTimeout("javascript:location.href='hello.html'", 5000);
</script>
3) 结合了倒数的javascript实现(IE)
<span id="totalSecond">5</span>
<script language="javascript" type="text/javascript">
var second = totalSecond.innerText;
setInterval("redirect()", 1000);
function redirect(){
totalSecond.innerText=--second;
if(second<0) location.href='hello.html';
}
</script>
3#) 结合了倒数的javascript实现(firefox)
<script language="javascript" type="text/javascript">
var second = document.getElementById('totalSecond').textContent;
setInterval("redirect()", 1000);
function redirect()
{
document.getElementById('totalSecond').textContent = --second;
if (second < 0) location.href = 'hello.html';
}
</script>
4) 解决Firefox不支持innerText的问题
<span id="totalSecond">5</span>
<script language="javascript" type="text/javascript">
if(navigator.appName.indexOf("Explorer") > -1){
document.getElementById('totalSecond').innerText = "my text innerText";
} else{
document.getElementById('totalSecond').textContent = "my text textContent";
}
</script>
5) 整合3)和3#)
<span id="totalSecond">5</span>
<script language="javascript" type="text/javascript">
var second = document.getElementById('totalSecond').textContent;
if (navigator.appName.indexOf("Explorer") > -1) {
second = document.getElementById('totalSecond').innerText;
} else {
second = document.getElementById('totalSecond').textContent;
}
setInterval("redirect()", 1000);
function redirect() {
if (second < 0) {
location.href = 'hello.html';
} else {
if (navigator.appName.indexOf("Explorer") > -1) {
document.getElementById('totalSecond').innerText = second--;
} else {
document.getElementById('totalSecond').textContent = second--;
}
}
}
</script>
跳转适配这个是前端开发中必须用的,这里就抄2段。
一.通用情况
<script type="text/javascript" >
function browserRedirect() {
var sUserAgent= navigator.userAgent.toLowerCase();
var bIsIpad= sUserAgent.match(/ipad/i) == "ipad";
var bIsIphoneOs= sUserAgent.match(/iphone os/i) == "iphone os";
var bIsMidp= sUserAgent.match(/midp/i) == "midp";
var bIsUc7= sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
var bIsUc= sUserAgent.match(/ucweb/i) == "ucweb";
var bIsAndroid= sUserAgent.match(/android/i) == "android";
var bIsCE= sUserAgent.match(/windows ce/i) == "windows ce";
var bIsWM= sUserAgent.match(/windows mobile/i) == "windows mobile";
if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
window.location= 'http://m.cjlit.com';
} else {
}
}
browserRedirect();//调用自身,页面一打开就开始跳转
</script>
二.腾讯网适配
//腾讯网的适配代码
<script type="text/javascript">
var browser = {
versions : function() {
var u = navigator.userAgent, app = navigator.appVersion;
return {//移动终端浏览器版本信息
trident : u.indexOf('Trident') > -1, //IE内核
presto : u.indexOf('Presto') > -1, //opera内核
webKit : u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
gecko : u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
mobile : !!u.match(/AppleWebKit.*Mobile.*/)
|| !!u.match(/AppleWebKit/), //是否为移动终端
ios : !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
android : u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
iPhone : u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者QQHD浏览器
iPad: u.indexOf('iPad') > -1, //是否iPad
webApp : u.indexOf('Safari') == -1,
//是否web应该程序,没有头部与底部
google:u.indexOf('Chrome')>-1
};
}(),
language : (navigator.browserLanguage || navigator.language).toLowerCase()
}
document.writeln("语言版本: "+browser.language);
document.writeln(" 是否为移动终端: "+browser.versions.mobile);
</script>
//其他的适配代码(后缀名为.js 并引用至网页)
<script type="text/javascript">
//平台、设备和操作系统
var system = {
win: false,
mac: false,
xll: false,
ipad:false
};
//检测平台
var p = navigator.platform;
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
system.ipad = (navigator.userAgent.match(/iPad/i) != null)?true:false;
//跳转语句,如果是手机访问就自动跳转到" "里的页面
if (system.win || system.mac || system.xll||system.ipad) {
} else {
window.location.href = "此处填写你的链接地址";
}
</script>
console.log(
`%c javar.cc %c 欢迎访问 %c`,
'background:#35495e ; padding: 1px; border-radius: 3px 0 0 3px; color: #fff',
'background:#41b883 ; padding: 1px; border-radius: 0 3px 3px 0; color: #fff',
'background:transparent'
)