Chrome 扩展程序:无法访问以“chrome-extension://”开头的 URL 内容

Abh*_*hay 7 javascript google-chrome google-chrome-extension

在我的扩展中,我创建一个选项卡,并results.html从名为 的后台脚本打开一个在其中命名的 html 文件background.js。创建选项卡后,我将注入一个名为results.js该新创建的选项卡的 JavaScript 文件。

但它在我的控制台中抛出以下错误background.js

Unchecked runtime.lastError: Cannot access contents of url "chrome-extension://hcffonddipongohnggcbmlmfkeaepfcm/results.html". 
Extension manifest must request permission to access this host.
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浏览其他 stackoverflow 问题的解决方案时,我尝试在以下位置添加以下权限manifest.json

  1. <all_urls>
  2. chrome-extension://*抛出错误:权限“chrome-extension://*”未知或 URL 模式格式错误。

但以上都不起作用。

此外,results.js注入后应该发送消息以background.js获取响应一些数据以供输入results.html

我的代码:

清单.json

{
  "manifest_version":2,
  "name":"Extension Name",
  "description":"This is description of extension.",
  "version":"1.0.0",
  "icons":{"128":"icon_128.png"},
  "browser_action":{
      "default_icon":"icon.png",
      "default_popup":"popup.html"
  },
  "permissions":["activeTab", "background", "tabs", "http://*/*", "https://*/*","<all_urls>"],
  "background": {
      "scripts": ["background.js"],
      "persistent": false
  },
  "web_accessible_resources": ["addAlias.js","results.html","results.js"]
}
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背景.js

/*Some code*/
function loadResult()
{
  chrome.tabs.query({active:true},function(tabs){
    //creating tab and loading results.html in it
    chrome.tabs.create({url : 'results.html'}, function(tab){
      //injecting results.js file in the tab
      chrome.tabs.executeScript(tab.id, {file: 'results.js'});  
    });
  });
}
/*somecode*/
if(/*some condtion*/)
{
    loadResult(); //calling function 
}


chrome.runtime.onMessage.addListener(function(request,sender,sendResponse)
{
  //Listening for results.js request for data
  if( request.greeting === "sendResults")
    {
      console.log(" Results request received .");
      //sending data back to results.js
      sendResponse({failed:failedToAdd,succeed:succeedToAdd});

    }
}
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结果.js

/*Some code*/
console.log("I got loaded");
console.log("Now requesting for sendResults");

//Below sending request for data
chrome.runtime.sendMessage({greeting: "sendResults"},
      function (response) {
        console.log('Got data from Background.js');
        /*Some Code*/
      }
  );
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小智 2

您需要在manifest.json中添加host_permissions。在manifest.json中添加主机权限的示例 "host_permissions":["*://ahainstructornetwork.americanheart.org/"]

查看这篇文章了解详细信息:https://developer.chrome.com/docs/extensions/mv3/declare_permissions/#host-permissions