Javascript PhantomJS无法打开扩展名未知的本地文件
我正在使用phantomjs获取本地文件的屏幕截图。 现在我正在传递一个完全有效的html文件：Javascript PhantomJS无法打开扩展名未知的本地文件,javascript,phantomjs,Javascript,Phantomjs,我正在使用phantomjs获取本地文件的屏幕截图。 现在我正在传递一个完全有效的html文件： <!DOCTYPE html><html><head><title>Title of the document</title></head><body>The file name dummy</body></html> js很简单： var page = require('webpage'
<!DOCTYPE html><html><head><title>Title of the document</title></head><body>The file name dummy</body></html>
var page = require('webpage').create();
var system = require('system');
if (system.args.length !== 3) {
console.log('Usage: script.js <URL> <screenshot destination>');
phantom.exit();
}
page.onResourceError = function(resourceError) {
page.reason = resourceError.errorString;
page.reason_url = resourceError.url;
};
page.open(system.args[1], function(status) {
if (status !== 'success') {
console.log('Failed to load address '+system.args[1]+' ' + page.reason_url + ": " + page.reason);
phantom.exit(-1);
}
page.render(system.args[2]);
phantom.exit();
});
= onNavigationRequested
destination_url: file:///D:/dummy.hoo
type (cause): Other
will navigate: true
from page's main frame: true
= onResourceRequested()
request: {
"headers": [
{
"name": "User-Agent",
"value": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.34 (KHTML, like Gecko) PhantomJS/1.9.0 Safari/534.34"
},
{
"name": "Accept",
"value": "*/*"
}
],
"id": 1,
"method": "GET",
"time": "2015-03-01T16:40:11.080Z",
"url": "file:///D:/dummy.hoo"
}
= onLoadStarted()
leaving url: about:blank
= onResourceReceived()
id: 1, stage: "start", response: {"bodySize":110,"contentType":null,"headers":[{"name":"Last-Modified","value":"Sun, 01 Mar 2015 17:13:02 GMT"},{"name":"Content-Length","value":"110"}],"id":1,"redir
ectURL":null,"stage":"start","status":null,"statusText":null,"time":"2015-03-01T16:40:11.082Z","url":"file:///D:/dummy.hoo"}
= onResourceReceived()
id: 1, stage: "end", response: {"contentType":null,"headers":[{"name":"Last-Modified","value":"Sun, 01 Mar 2015 17:13:02 GMT"},{"name":"Content-Length","value":"110"}],"id":1,"redirectURL":null,"sta
ge":"end","status":null,"statusText":null,"time":"2015-03-01T16:40:11.082Z","url":"file:///D:/dummy.hoo"}
= onLoadFinished()
status: fail
Failed to load address file:///D:/dummy.hoo undefined: undefined
我能够在phantomjs中找到处理mime类型的代码（不同驱动程序的多个位置）： 等等 本地文件背后的要点（hehe）不发送包含MIME类型的头信息。因此，Phantomjs不知道应该调用哪个处理程序来正确呈现内容。我基本上可以将.jpeg重命名为.exe，只要web服务器发送jpg mime类型，它就会正确呈现。这是web中常见的行为，基于任何内容（正则表达式、扩展名等）重定向url部分 Phantom没有检测文件真实内容的某种推理（这是完全合理的），因此它必须依赖于给定的文件扩展名和映射
因此，我知道我必须接受我可以使用
htmlhtmfile:///D:/TestData/dummy.hoofile:///D:/dummy.hooFailed to load address file:///D:/dummy.hoo undefined: undefined
= onNavigationRequested
destination_url: file:///D:/dummy.hoo
type (cause): Other
will navigate: true
from page's main frame: true
= onResourceRequested()
request: {
"headers": [
{
"name": "User-Agent",
"value": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.34 (KHTML, like Gecko) PhantomJS/1.9.0 Safari/534.34"
},
{
"name": "Accept",
"value": "*/*"
}
],
"id": 1,
"method": "GET",
"time": "2015-03-01T16:40:11.080Z",
"url": "file:///D:/dummy.hoo"
}
= onLoadStarted()
leaving url: about:blank
= onResourceReceived()
id: 1, stage: "start", response: {"bodySize":110,"contentType":null,"headers":[{"name":"Last-Modified","value":"Sun, 01 Mar 2015 17:13:02 GMT"},{"name":"Content-Length","value":"110"}],"id":1,"redir
ectURL":null,"stage":"start","status":null,"statusText":null,"time":"2015-03-01T16:40:11.082Z","url":"file:///D:/dummy.hoo"}
= onResourceReceived()
id: 1, stage: "end", response: {"contentType":null,"headers":[{"name":"Last-Modified","value":"Sun, 01 Mar 2015 17:13:02 GMT"},{"name":"Content-Length","value":"110"}],"id":1,"redirectURL":null,"sta
ge":"end","status":null,"statusText":null,"time":"2015-03-01T16:40:11.082Z","url":"file:///D:/dummy.hoo"}
= onLoadFinished()
status: fail
Failed to load address file:///D:/dummy.hoo undefined: undefined