次要步骤
1.manifest.json中申明web_accessible_resources
"web_accessible_resources":[ "img/*"]
2.在background中创立contextMenus并监听点击事件
var menuItem = { "id" : "resource", "title": "设置背景图", "contexts": ["all"]};chrome.contextMenus.create(menuItem);
3.调用chrome.extension.getURL获取图片URL
var imgurl = chrome.extension.getURL("img/beauty.jpg");
4.调用executeScript
chrome.tabs.executeScript(null,{code:"document.body.style.backgroundImage = 'url(\""+imgurl+"\")';\ document.body.style.backgroundRepeat='repeat';"});
源码
链接:https://pan.baidu.com/s/1p3wk...
提取码:ond1