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我正忙于创建一个 chrome 扩展，它需要检查 json 格式的 url 列表，并在访问新标签或地址时进行比较。当有匹配时，它需要做一些事情......但是现在我无法从函数内部访问变量，我认为这是具有全局和局部变量的东西，但我无法弄清楚。我无法到达的变量是 当我在我未定义u = request.dom; 的 addListener 之外检查它时。console.log

我的代码：

Background.js (jquery-1.11.3.js, amplify.js 加载):

loadedwebshops = amplify.store('webshops');
(function loadShops() {
    if (typeof loadedwebshops != 'undefined') {
    } else {
        // load from server
        $.ajax({
            url: '../shoplist.json',
            dataType: 'json',
            data: {}
        }).done(function(data, textStatus, jqXHR) {
            // update the cache
            amplify.store('webshops', data, {
                expires: 60000
            });
            loadedwebshops = amplify.store('webshops');
            //populate.Shops(data);
        }).fail(function(jqXHR, exception) {
        }).always(function() {
        });
        // alert("server");
        if (typeof loadedwebshops === 'undefined') {
            location.reload();
        }
    }
    setInterval(loadShops, 60000);
}
)();
chrome.extension.onMessage.addListener(function(request) {
    u = request.dom;
    requestedUrl(u);
});
$(document).ready(function() {
    var webshops = loadedwebshops["webshops"];
    console.log(webshops);
    function requestedUrl(u){
        console.log(u);
    }
});

主.js：

var d = document.domain;
chrome.extension.sendMessage({
    dom: d
});

显现：

{
    "background": {
        "page": "background.html"
    },
    "browser_action": {
        "default_icon": "icons/actions/1.png",
        "default_title": "toolbar"
    },
    "content_scripts": [{
        "all_frames": true,
        "js": ["lib/jquery-1.11.3.js", "lib/amplify.js", "lib/main.js"],
        "matches": ["http://*/*", "https://*/*"]
    }],
    "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
    "description": "extension",
    "icons": {
        "128": "icons/icon128.png",
        "16": "icons/icon16.png",
        "48": "icons/icon48.png"
    },
    "manifest_version": 2,
    "name": "toolbar",
    "version": "1.1",
    "permissions": ["http://*/*", "https://*/*", "tabs", "cookies",
        "notifications", "contextMenus", "webNavigation", "webRequest",
        "webRequestBlocking", "unlimitedStorage", "storage"
    ]
}
4

1 回答 1

0

解决了...问题是它在不同的范围内 $(document).ready(function() {});

新代码是：

loadedwebshops = amplify.store('webshops');
(function loadShops() {
    if (typeof loadedwebshops != 'undefined') {
    } else {
        // load from server
        $.ajax({
            url: '../shoplist.json',
            dataType: 'json',
            data: {}
        }).done(function(data, textStatus, jqXHR) {
            // update the cache
            amplify.store('webshops', data, {
                expires: 60000
            });
            loadedwebshops = amplify.store('webshops');
            //populate.Shops(data);
        }).fail(function(jqXHR, exception) {
        }).always(function() {
        });
        // alert("server");
        if (typeof loadedwebshops === 'undefined') {
            location.reload();
        }
    }
    setInterval(loadShops, 60000);
}
)();
chrome.extension.onMessage.addListener(function(request) {
    u = request.dom;
    requestedUrl(u);
});

var webshops = loadedwebshops["webshops"];
console.log(webshops);
function requestedUrl(u){
    console.log(u);
}
于 2015-09-18T14:42:00.173 回答