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options.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link href="stable/static/css/site.css" rel="stylesheet" type="text/css">
<link href="stable/static/css/print.css" rel="stylesheet" type="text/css" media="print">
<link href="stable/static/css/prettify.css" rel="stylesheet" type="text/css">
<link href="//www.google.com/images/icons/product/chrome-16.png" rel="icon" type="image/ico">
<title>Options - chrome插件中文开发文档(非官方)</title>
</head>
<body>
<a id="top"></a>
<div id="header">{Header content}</div>
<a id="gc-topnav-anchor"></a>
<div id="gc-topnav">
<h1>Google Chrome Extensions</h1>
<ul id="home" class="gc-topnav-tabs">
<li id="home_link">
<a href="index.html" title="Google Chrome Extensions home page"><div>Home</div></a>
</li>
<li id="docs_link">
<a href="docs.html" title="Official Google Chrome Extensions documentation"><div>Docs</div></a>
</li>
<li id="faq_link">
<a href="faq.html" title="Answers to frequently asked questions about Google Chrome Extensions"><div>FAQ</div></a>
</li>
<li id="samples_link">
<a href="samples.html" title="Sample Extensions (with source code)"><div>Samples</div></a>
</li>
<li id="group_link">
<a href="http://groups.google.com/a/chromium.org/group/chromium-extensions" title="Google Chrome Extensions developer forum"><div>Group</div></a>
</li>
<li id="so_link">
<a href="http://stackoverflow.com/questions/tagged/google-chrome-extension" title="[google-chrome-extension] tag on Stack Overflow"><div>Questions?</div></a>
</li>
</ul>
</div>
<div id="gc-container">
<div id="gc-sidebar">
<ul
class="level1 ">
<li class="level2">
<a href="getstarted.html" class="level2 ">Getting Started</a>
</li>
<li class="level2">
<a href="overview.html" class="level2 ">Overview</a>
</li>
<li class="level2">
<a href="whats_new.html" class="level2 ">What's New?</a>
</li>
<li class="level2">
<a href="devguide.html" class="level2 ">Developer's Guide</a>
<ul
class="level2 ">
<li class="level3">
<a class="button level3">
<span class="level3">Browser UI</span>
<div class="toggleIndicator level3 toggled"></div>
</a>
<ul toggleable
class="level3 ">
<li class="level4">
<a href="browserAction.html" class="level4 ">Browser Actions</a>
</li>
<li class="level4">
<a href="contextMenus.html" class="level4 ">Context Menus</a>
</li>
<li class="level4">
<a href="notifications.html" class="level4 ">Desktop Notifications</a>
</li>
<li class="level4">
<a href="omnibox.html" class="level4 ">Omnibox</a>
</li>
<li class="level4">
<a class="level4 selected">Options Pages</a>
</li>
<li class="level4">
<a href="override.html" class="level4 ">Override Pages</a>
</li>
<li class="level4">
<a href="pageAction.html" class="level4 ">Page Actions</a>
</li>
</ul>
</li>
<li class="level3">
<a class="button level3">
<span class="level3">Browser Interaction</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="bookmarks.html" class="level4 ">Bookmarks</a>
</li>
<li class="level4">
<a href="cookies.html" class="level4 ">Cookies</a>
</li>
<li class="level4">
<a href="devtools.html" class="level4 ">Developer Tools</a>
</li>
<li class="level4">
<a href="events.html" class="level4 ">Events</a>
</li>
<li class="level4">
<a href="history.html" class="level4 ">History</a>
</li>
<li class="level4">
<a href="management.html" class="level4 ">Management</a>
</li>
<li class="level4">
<a href="tabs.html" class="level4 ">Tabs</a>
</li>
<li class="level4">
<a href="windows.html" class="level4 ">Windows</a>
</li>
</ul>
</li>
<li class="level3">
<a class="button level3">
<span class="level3">Implementation</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="a11y.html" class="level4 ">Accessibility</a>
</li>
<li class="level4">
<a href="event_pages.html" class="level4 ">Event Pages</a>
</li>
<li class="level4">
<a href="contentSecurityPolicy.html" class="level4 ">Content Security Policy</a>
</li>
<li class="level4">
<a href="content_scripts.html" class="level4 ">Content Scripts</a>
</li>
<li class="level4">
<a href="xhr.html" class="level4 ">Cross-Origin XHR</a>
</li>
<li class="level4">
<a href="i18n.html" class="level4 ">Internationalization</a>
</li>
<li class="level4">
<a href="messaging.html" class="level4 ">Message Passing</a>
</li>
<li class="level4">
<a href="permissions.html" class="level4 ">Optional Permissions</a>
</li>
<li class="level4">
<a href="npapi.html" class="level4 ">NPAPI Plugins</a>
</li>
</ul>
</li>
<li class="level3">
<a class="button level3">
<span class="level3">Finishing</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="hosting.html" class="level4 ">Hosting</a>
</li>
<li class="level4">
<a href="external_extensions.html" class="level4 ">Other Deployment Options</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="level2">
<a href="tutorials.html" class="level2 ">Tutorials</a>
<ul
class="level2 ">
<li class="level3">
<a href="tut_migration_to_manifest_v2.html" class="level3 ">Manifest V2</a>
</li>
<li class="level3">
<a href="tut_debugging.html" class="level3 ">Debugging</a>
</li>
<li class="level3">
<a href="tut_analytics.html" class="level3 ">Google Analytics</a>
</li>
<li class="level3">
<a href="tut_oauth.html" class="level3 ">OAuth</a>
</li>
</ul>
</li>
<li class="level2">
<span class="level2">Reference</span>
<ul
class="level2 ">
<li class="level3">
<a class="button level3">
<span class="level3">Formats</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="manifest.html" class="level4 ">Manifest Files</a>
</li>
<li class="level4">
<a href="match_patterns.html" class="level4 ">Match Patterns</a>
</li>
</ul>
</li>
<li class="level3">
<a href="permission_warnings.html" class="level3 ">Permission Warnings</a>
</li>
<li class="level3">
<a href="api_index.html" class="level3 ">chrome.* APIs</a>
</li>
<li class="level3">
<a href="api_other.html" class="level3 ">Other APIs</a>
</li>
</ul>
</li>
<li class="level2">
<span class="level2">More</span>
<ul
class="level2 ">
<li class="level3">
<a href="http://code.google.com/chrome/webstore/docs/index.html" class="level3 ">Chrome Web Store</a>
</li>
<li class="level3">
<a href="http://code.google.com/chrome/apps/docs/developers_guide.html" class="level3 ">Hosted Apps</a>
</li>
<li class="level3">
<a href="themes.html" class="level3 ">Themes</a>
</li>
</ul>
</li>
</ul>
</div>
<div id="gc-pagecontent">
<h1 class="page_title">Options</h1>
<div id="toc">
<h2>Contents</h2>
<ol>
<li>
<a href=#step_1>Step 1: Declare your options page in the manifest</a>
</li>
<li>
<a href=#step_2>Step 2: Write your options page</a>
</li>
<li>
<a href=#important_notes>Important notes</a>
</li>
</ol>
</div>
<p>To allow users to customize the behavior of your extension, you may wish to provide an options page. If you do, a link to it will be provided from the extensions management page at chrome://extensions. Clicking the Options link opens a new tab pointing at your options page.
<h2 id="step_1">Step 1: Declare your options page in the manifest</h2>
<pre>{
"name": "My extension",
...
<b>"options_page": "options.html"</b>,
...
}</pre>
<h2 id="step_2">Step 2: Write your options page</h2>
Here is an example options page:
<pre>// Save this script as `options.js`
// Saves options to localStorage.
function save_options() {
var select = document.getElementById("color");
var color = select.children[select.selectedIndex].value;
localStorage["favorite_color"] = color;
// Update status to let user know options were saved.
var status = document.getElementById("status");
status.innerHTML = "Options Saved.";
setTimeout(function() {
status.innerHTML = "";
}, 750);
}
// Restores select box state to saved value from localStorage.
function restore_options() {
var favorite = localStorage["favorite_color"];
if (!favorite) {
return;
}
var select = document.getElementById("color");
for (var i = 0; i < select.children.length; i++) {
var child = select.children[i];
if (child.value == favorite) {
child.selected = "true";
break;
}
}
}
document.addEventListener('DOMContentReady', restore_options);
document.querySelector('#save').addEventListener('click', save_options);
</pre>
<pre>
<html>
<head><title>My Test Extension Options</title></head>
<script src="options.js"></script>
<body>
Favorite Color:
<select id="color">
<option value="red">red</option>
<option value="green">green</option>
<option value="blue">blue</option>
<option value="yellow">yellow</option>
</select>
<br>
<div id="status"></div>
<button id="save">Save</button>
</body>
</html>
</pre>
<h2 id="important_notes">Important notes</h2>
<ul>
<li>We plan on providing some default css styles to encourage a consistent look across different extensions' options pages. You can star <a href="http://crbug.com/25317">crbug.com/25317</a> to be notified of updates.</li>
</ul>
</div>
</div>
</body>
<script>
window.bootstrap = {
api_names: [{"name":"alarms"},{"name":"bookmarks"},{"name":"browserAction"},{"name":"browsingData"},{"name":"commands"},{"name":"contentSettings"},{"name":"contextMenus"},{"name":"cookies"},{"name":"debugger"},{"name":"declarativeWebRequest"},{"name":"devtools.inspectedWindow"},{"name":"devtools.network"},{"name":"devtools.panels"},{"name":"downloads"},{"name":"events"},{"name":"extension"},{"name":"fileBrowserHandler"},{"name":"fontSettings"},{"name":"history"},{"name":"i18n"},{"name":"idle"},{"name":"input.ime"},{"name":"management"},{"name":"omnibox"},{"name":"pageAction"},{"name":"pageCapture"},{"name":"permissions"},{"name":"privacy"},{"name":"proxy"},{"name":"runtime"},{"name":"scriptBadge"},{"name":"storage"},{"name":"tabs"},{"name":"topSites"},{"name":"tts"},{"name":"ttsEngine"},{"name":"types"},{"name":"webNavigation"},{"name":"webRequest"},{"name":"webstore"},{"last":true,"name":"windows"}].concat(
[{"name":"experimental.bluetooth"},{"name":"experimental.devtools.audits"},{"name":"experimental.devtools.console"},{"name":"experimental.discovery"},{"name":"experimental.identity"},{"name":"experimental.infobars"},{"name":"experimental.offscreenTabs"},{"name":"experimental.processes"},{"name":"experimental.record"},{"name":"experimental.speechInput"},{"name":"experimental.systemInfo.cpu"},{"name":"experimental.systemInfo.storage"},{"last":true,"name":"experimental.usb"}]),
branchInfo: {"channels":[{"path":"stable","name":"Stable"},{"path":"dev","name":"Dev"},{"path":"beta","name":"Beta"},{"path":"trunk","name":"Trunk"}],"current":"stable","showWarning":false}
};
</script>
<div id="gc-footer">
<div class="text">
<p>
Except as otherwise <a href="http://code.google.com/policies.html#restrictions">noted</a>,
the content of this page is licensed under the <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons
Attribution 3.0 License</a>, and code samples are licensed under the
<a rel="license" href="http://code.google.com/google_bsd_license.html">BSD License</a>.
</p>
<p>
©2012 Google
</p>
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