为什么Chrome. pagecaptation.saveAsMHTML在我的Google Chrome扩展程序中不起作用?

xtfmy6hx  于 11个月前  发布在  Go
关注(0)|答案(3)|浏览(132)

在我的Google Chrome扩展中,background.js定义了这个函数:

function submitMHTML() {
  console.log("entered submitMHTML()");
  chrome.tabs.query(
    {active: true, lastFocusedWindow: true},
    function(array_of_Tabs) {
      if (array_of_Tabs.length > 0) {
        var tab = array_of_Tabs[0];
        console.log("submitMHTML() found the active tab has an ID of " + tab.id);
        chrome.pageCapture.saveAsMHTML(
          tab.id,
          function(mhtml) {
            var xhr = new XMLHttpRequest(), formData = new FormData();  
            formData.append("mhtml", mhtml);
            formData.append("surveyID", localStorage["ID"]);
            xhr.open("POST", "http://localhost:3000/task/mhtml", true);
            xhr.setRequestHeader('Authorization', 'Token token=<redacted>');
            xhr.send(formData);
            console.log("submitMHTML() sent mhtml to server");
          }
        )
      }
    }
  );
}

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那么,为什么我会在我的控制台上看到这个呢?

entered submitMHTML()
submitMHTML() found the active tab has an ID of 450
extensions::uncaught_exception_handler:8 Error in response to tabs.query: Error: Invocation of form pageCapture.saveAsMHTML(integer, function) doesn't match definition pageCapture.saveAsMHTML(object details, function callback)
    at Object.callback (chrome-extension://nmlggmkodifcibdmpdaohpmhljbkgpdb/background.js:194:28)
    at submitMHTML (chrome-extension://nmlggmkodifcibdmpdaohpmhljbkgpdb/background.js:188:15)
    at submitResult (chrome-extension://nmlggmkodifcibdmpdaohpmhljbkgpdb/background.js:249:5)
    at HTMLButtonElement.<anonymous> (chrome-extension://nmlggmkodifcibdmpdaohpmhljbkgpdb/popup.js:25:78)


顺便说一句,控制台日志中的行号排列如下:

  • 第194章:chrome.pageCapture.saveAsMHTML(
  • 188:chrome.tabs.query
  • 249:submitMTHML();(在另一个函数中)

chrome.pageCapture.saveAsMHTML()被定义为here。该函数返回一个blob,我应该能够以这种方式将其附加到表单。我已经在清单中提供了必要的权限。

ioekq8ef

ioekq8ef1#

错误解释了这一点。使用chrome.pageCapture.saveAsMHTML({ tabId: tab.id }, callback)而不是chrome.pageCapture.saveAsMHTML(tab.id, callback)

xdyibdwo

xdyibdwo2#

虽然这个问题已经过去很久了,但我最近才尝试使用这个API。

chrome.tabs.query({ active: true, currentWindow: true }, ([tab]) => {
  chrome.pageCapture.saveAsMHTML({ tabId: tab.id }, ArrayBuffer => {
    const aBlob = new Blob([ArrayBuffer], { type: 'text/plain' });

    const link = document.createElement('a');
    link.href = window.URL.createObjectURL(aBlob);
    link.download = 'aaa.mhtml';
    link.click();
    window.URL.revokeObjectURL(link.href);
  });
});

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g2ieeal7

g2ieeal73#

我在这里找到了一个很好的解决方案,保存页面内容的解决方案

chrome.tabs.query({ active: true, currentWindow: true }, ([tab]) => {
  chrome.pageCapture.saveAsMHTML({ tabId: tab.id }, async (blob) => {
    const content = await blob.text();
    const url = "data:application/x-mimearchive;base64," + btoa(content);
    chrome.downloads.download({
        url,
        filename: 'filename.mhtml'
    });
  });
});

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