返回信息流听说html5有这么个东西：
<a download='filename'>
可是pdf啊，txt啊都正常。
文件是mp3就是没法指定文件名了，火狐会从路径中提取文件名。
好奇怪的。
这是一条镜像帖。来源：北邮人论坛 / www-technology / #28236同步于 2014/11/15
该镜像源已超过 30 天没有更新，可能在源站已被删除。
WWWTechnology机器人发帖
如何指定要下载文件的文件名？
reverland
2014/11/15镜像同步1 回复
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1 条回复
// ==UserScript==
// @name Netease Music Download
// @namespace qixinglu.com
// @description 网易云音乐下载地址
// @include http://music.163.com/*
// @grant none
// @version 0.0.1.20140517140352
// ==/UserScript==
var api = {
detailUrl: function (songIds) {
var tpl = 'http://music.163.com/api/song/detail?ids=[${songIds}]';
return tpl.replace('${songIds}', songIds.join(','));
},
detail: function (songIds, callback) {
var req = new XMLHttpRequest();
req.open('GET', this.detailUrl(songIds), true);
req.setRequestHeader('Referer', 'http://music.163.com');
req.setRequestHeader('Cookie', 'appver=1.7.3');
req.onload = function () {
callback(JSON.parse(this.responseText));
};
req.send();
},
mediaUrl: function (songId) {
return 'http://music.163.com/api/song/media?id=' + songId;
},
media: function (songId, callback) {
var req = new XMLHttpRequest();
req.open('GET', this.mediaUrl(songId), true);
req.onload = function () {
callback(JSON.parse(this.responseText));
};
req.send();
},
};
var innerFrame = document.querySelector('iframe');
var pages = [
{
url: 'http://music.163.com/#/song?id=',
handler: function () {
var songId = location.href.match(/id=([0-9]+)/) [1];
var downloadLine = this.createDownloadLine(songId);
var innerFrameDoc = innerFrame.contentWindow.document;
var albumNode = innerFrameDoc.querySelectorAll('p.des.s-fc4') [1];
var parentNode = albumNode.parentNode;
parentNode.insertBefore(downloadLine, albumNode.nextElementSibling);
},
createDownloadLine: function (songId) {
var disableStyle = function (link) {
link.text += '(无)';
link.style.color = 'gray';
link.style.textDecoration = 'none';
link.style.cursor = 'auto';
};
var mp3Link = this.createLink('mp3');
var lyricLink = this.createLink('lrc');
api.detail([songId], function (result) {
var song = result.songs[0];
mp3Link.href = song.mp3Url;
});
api.media(songId, function (result) {
if (result.lyric) {
lyricLink.href = 'data:text/plain;charset=utf-8,' +
encodeURIComponent(result.lyric);
} else {
disableStyle(lyricLink);
}
});
var container = this.createLineContainer('下载');
container.appendChild(mp3Link);
container.appendChild(lyricLink);
return container;
},
createLink: function (label) {
var link = document.createElement('a');
link.innerHTML = label;
link.className = 's-fc7';
link.style.marginRight = '10px';
link.href = 'javascript:void(0);';
link.download = innerFrame.contentWindow.document.querySelectorAll('.f-ff2')[0].textContent + "." + label;
return link;
},
createLineContainer: function (label) {
var container = document.createElement('p');
container.className = 'desc s-fc4';
container.innerHTML = label + '：';
container.style.margin = '10px 0';
return container;
},
},
]
if (innerFrame) {
innerFrame.addEventListener('load', function () {
var i,
page;
for (i = 0; i < pages.length; i += 1) {
var page = pages[i];
if (location.href.indexOf(page.url) == 0) {
page.handler();
}
}
});
}