我正在编写我的第一个 Chrome 扩展程序,但在设置和使用“选项”时遇到了障碍。我使用 Google 的文档来学习如何设置选项页面,并选择将其设置为我在扩展程序中的默认弹出窗口。
这是我的清单供参考:
{
"manifest_version": 2,
"name": "MyExtension",
"description": "MyDescription",
"version": "0.0",
"options_page": "options.html",
"browser_action": {
"default_icon": "on.png",
"default_popup": "options.html",
"default_title": "Manage Tools!"
},
"permissions": [
"storage",
"tabs",
"activeTab",
"https://ajax.googleapis.com/"
],
"content_scripts": [{
"matches": ["specialURL.com*"],
"js": ["jquery-3.1.1.min.js", "content.js"]
}],
"web_accessible_resources": [
"script.js"
],
"background": {
"scripts": ["background.js"]
}
}
我的content.js页面包含以下内容:
var s = document.createElement('script');
s.src = chrome.extension.getURL('script.js');
s.onload = function() {
this.remove();
};
(document.head || document.documentElement).appendChild(s);
它加载我的脚本文件(script.js)。在script.js内部有两种方法
function foo() { -code- }
function bar() { -code- }
选项.js:
function save_options() {
var alltoggle = document.getElementById('alltoggle').checked;
var footoggle = document.getElementById('footoggle').checked;
var bartoggle = document.getElementById('bartoggle').checked;
chrome.storage.sync.set({
allsetting: alltoggle,
foosetting: footoggle,
barsetting: bartoggle
}, function () {
// Update status to let user know options were saved.
var status = document.getElementById('status');
status.textContent = 'Options saved.';
setTimeout(function () {
status.textContent = '';
}, 750);
});
}
// Restores select box and checkbox state using the preferences
// stored in chrome.storage.
function restore_options() {
// Default to true
chrome.storage.sync.get({
allsetting: true,
foosetting: true,
barsetting: true
}, function (items) {
document.getElementById('alltoggle').checked = items.allsetting;
document.getElementById('footoggle').checked = items.foosetting;
document.getElementById('bartoggle').checked = items.barsetting;
});
}
document.addEventListener('DOMContentLoaded', restore_options);
document.getElementById('save').addEventListener('click', save_options);
document.addEventListener('DOMContentLoaded', function () {
document.querySelector('#alltoggle').addEventListener('change', allHandler);
// Turn on/off all features
function allHandler() {
$("input:checkbox").prop('checked', $(this).prop("checked"));
}
});
当我尝试重新加载设置并将它们应用到我的内容脚本时,问题就出现了。具体来说,我无法在任何地方找到如何做到这一点。