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我正在开发一个Firefox扩展项目,该项目要求我使用TAB键切换页面上的所有链接,提取其URL,提取其源代码并解析它。使Pagemod和页面工作者模块一起工作?
目前,我能够使用TAB键切换通过页面来获得它的URL由以下内容:
exports.main = function() {};
var pageMod = require("page-mod");
pageMod.PageMod({
include: "*.org",
contentScriptWhen: 'ready',
contentScript:
'document.onkeydown = function(ev) {var key; ev = ev || event; key = ev.keyCode; if (key == 9) { setTimeout (function(){console.log(document.activeElement.href);'+
'}, 1000); } };'+
'var a = "Access Tab URL Extraction: New Page Found."; console.log(a);'
});
...并获得取任何的源代码给URL具有以下(维基百科为例):
exports.main = function() {};
console.log("Start");
var pageWorkers = require("page-worker");
var script = "var elements = document.body.innerHTML; " +
" postMessage(elements) " ;
// Create a page worker that loads Wikipedia:
pageWorkers.Page({
contentURL: "http://en.wikipedia.org/wiki/Internet",
contentScript: script,
contentScriptWhen: "ready",
onMessage: function(message) {
console.log(message);
}
});
所以,我怎么能传递我从Pagemod得到了URL(在这种情况下document.activeElement.href)进入页面,工人的contentURL并使其读取和显示源代码每当我按Tab键,因为新的URL保持在Pagemod中提取。
我试过以下,但它不起作用,似乎不能调用页面工作者作为page-mod的contentScript的一部分?
exports.main = function() {};
var pageMod = require("page-mod");
var pageWorkers = require("page-worker");
pageMod.PageMod({
include: "*.org",
contentScriptWhen: 'ready',
contentScript:
//Get New URLs by Pressing the Tab Key
'document.onkeydown = function(ev) { var key; ev = ev || event; key = ev.keyCode; if (key == 9) { setTimeout (function(){console.log(document.activeElement.href);'+
'}, 1000); } };'+
//Fetch new URL source code
'document.onkeyup = function(ev) { var key; ev = ev || event; key = ev.keyCode; if (key == 9) {'+
'pageWorkers.Page({'+
'contentURL: "document.activeElement.href",'+
'contentScript: "var elements = document.body.innerHTML;"+"postMessage(elements)",'+
'contentScriptWhen: "ready",'+
'onMessage: function(message) {'+
'console.log(message);'+
'}'+
'});'+
' } };'
});
任何帮助将不胜感激! :)
谢谢,我以一些不同但类似的方式解决了这个问题。 – eastboundr 2011-11-17 17:38:22