我正在使用一个包含＆lt; iframe ＆gt;的网页持有大学网站。
但是，大学网站上的一些链接会在浏览器中打开一个新标签，通常不是问题，但我的网页将以全屏模式显示在55英寸的触摸屏上。因此，我的网页将被阻止通过新标签。
所以，现在我正在使用Chrome扩展程序来处理新标签页。我 修改 来自互联网的Extension之一关闭并将新标签重定向回＆lt; iframe ＆gt;使用内容脚本和背景。
大多数新标签的工作。 （不是所有新标签）
因为某些＆lt; a ＆gt; s'href正在使用像这样的javascript：
<a href="javascript:popupWin=window.open('http://www.ce.ust.hk/Web/EventDetail.aspx?EventId=547', 'Popup', 'toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=754,height=700');popupWin.focus();" class="ilink">High Hybrid Reinforced Soil Slope as Runway Support - Tana Toraja Airport Case Study</a>
tab.url没有返回任何内容（它返回空字符串）。 alert（）喜欢
alert('link:'+tab.url)
此。将成为这个：
alert('link:'+'')
无论如何要解决这个问题？
----代码参考----
的manifest.json
{
https://clients2.google.com/service/update2/crx",
"manifest_version": 2,
"name": "Inteset Chrome Kiosk Helper",
"short_name": "Kiosk Helper",
"description": "Traps network errors. Shows user friendly error page allowing user to return to previous page. Blocks new windows and new tabs.",
"version": "1.1.12",
"options_page": "options.html",
"options_ui": {
"page": "options.html",
"chrome_style": true
},
"content_scripts": [
{
"matches": ["http://localhost/newyear/index.php"],
"js": ["myjs.js"]
}
],
"background": {
"persistent": false,
"scripts": ["background.js"]
},
"web_accessible_resources": [
"style.css",
"popup.js",
"options.js"
],
"permissions": [
"webNavigation",
"tabs",
"http://*/*", "https://*/*",
"history",
"activeTab",
"storage"
],
"icons": {
"16" : "Logo16x16.png",
"48" : "Logo48x48.png",
"128": "Logo128x128.png"
}
}
background.js
我仅修改里面的代码：
chrome.tabs.onCreated.addListener（...）
chrome.webNavigation.onErrorOccurred.addListener(function (data) {
var errs = "net::ERR_BLOCKED_BY_ADMINISTRATOR;net::ERR_NAME_NOT_RESOLVED;net::ERR_CONNECTION_FAILED;net::ERR_CONNECTION_RESET;net::ERR_EMPTY_RESPONSE;net::ERR_FAILED;net::ERR_CONNECTION_REFUSED;net::ERR_INTERNET_DISCONNECTED";
if (errs.indexOf(data.error) != -1) {
var Page = GetPageName( data.error )
chrome.tabs.update(data.tabId, {
url: Page
});
}
});
chrome.tabs.onCreated.addListener(function (tab) {
chrome.tabs.query(
{ currentWindow: true },
function (tabs) {
if (tabs.length > 1) {
chrome.storage.local.get({
blockWindows: false,
blockTabs: false
}, function (items) {
chrome.windows.getCurrent({}, function (window) {
if (window.state == "fullscreen"||true) {
if (items.blockTabs) {
setTimeout(function(){
var _url = tabs[tabs.length - 1].url;
alert("New tabs [" + tabs.length + "] { " + _url + " }");
for(var i=0;i<tabs.length;i++){
// alert(tabs[i].url);
if(tabs[i].url == "http://localhost/UST_VW_web/index.php"){
alert('bg found url ' + tabs[i].url + '\n' + _url);
chrome.tabs.sendMessage(tabs[i].id, {new_link:_url }, function(response) {
//alert('bg response ');
});
}
}
chrome.tabs.remove(tab.id);
},10000);
}
}
});
});
}
}
);
});
chrome.windows.onCreated.addListener(function (window) {
chrome.windows.getAll({populate: true}, function (windows) {
if (windows.length > 1) {
chrome.storage.local.get({
blockWindows: false,
blockTabs: false
}, function (items) {
if (items.blockWindows) {
// check if at least one window is in full screen
for (var i = 0; i < windows.length; i++) {
if (windows[i].state == "fullscreen") {
chrome.windows.remove(window.id);
alert("New windows are not allowed by administrator. :)");
RedirectNewPage("new Win", window.url);
break;
}
}
}
});
}
});
});
function RedirectNewPage(caller,url){
alert("RedirectNewPage");
var tabs_str = "";
chrome.windows.getAll({populate:true},function(windows){
windows.forEach(function(window){
window.tabs.forEach(function(tab){
//collect all of the urls here, I will just log them instead
console.log(tab.url);
});
});
});
chrome.windows.getAll({populate: true}, function (windows) {
windows.forEach(function(window){
window.tabs.forEach(function(tab){
console.log(tab.url);
tabs_str += (tab.id + "\t");
});
});
});
alert("tabs "+tabs_str);
}
function GetPageName( error ) {
var ErrText = new String(error);
if (ErrText.indexOf("net::ERR_BLOCKED_BY_ADMINISTRATOR") >= 0)
return "Error-Blocked-by-Administrator.html";
if (ErrText.indexOf("net::ERR_NAME_NOT_RESOLVED") >= 0)
return "Error-Name-not-Resolved.html";
if (ErrText.indexOf("net::ERR_CONNECTION_FAILED") >= 0)
return "Error-Connectoin-Failed.html";
if (ErrText.indexOf("net::ERR_CONNECTION_RESET") >= 0)
return "Error-Connection-Reset.html";
if (ErrText.indexOf("net::ERR_EMPTY_RESPONSE") >= 0)
return "Error-Empty-Response.html";
if (ErrText.indexOf("net::ERR_FAILED") >= 0)
return "Error.html";
if (ErrText.indexOf("net::ERR_CONNECTION_REFUSED") >= 0)
return "Error-Connection-Refused.html";
if (ErrText.indexOf("net::ERR_INTERNET_DISCONNECTED") >= 0)
return "Error-Internet-Disconnected.html";
return "Error.html";
}
myjs.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
document.getElementById("mainframe").src = request.new_link;
alert("GET 2 --- " + document.getElementById("mainframe").name);
alert(request.new_link);
//sendResponse(myFunc(request.args));
});