mirror of
https://github.com/qaiu/netdisk-fast-download.git
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QAIU
75 lines
2.4 KiB
HTML
75 lines
2.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>musetransfer文件下载中间页面</title></head>
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<body>
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<script src="jquery.min.js"></script>
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<h1 id="msg"></h1>
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<script>
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const data = location.search.substring(1);
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const url = window.atob(data);
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console.log(url)
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const msg = $('#msg');
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function download(url) {
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// ajax支持的服务器返回数据类型有：xml、json、script、html，
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// 其他类型(例如二进制流)将被作为String返回，无法触发浏览器的下载处理机制和程序。
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// 从Response Headers中获取fileName
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let fileName = /filename="(.*)"/g.exec(decodeURIComponent(url))[1]
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if (!fileName) {
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msg.text('解析文件名异常')
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return
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}
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msg.text('解析成功, Ajax下载完成后会自动保存, 如果文件较大可能需要一定时间请耐心等待')
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$.ajax({
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url: url,
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method: "get",
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xhrFields: {responseType: "blob"},
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beforeSend: function (request) {
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// request.setRequestHeader("token", sessionStorage.getItem('token'));
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request.setRequestHeader("token", sessionStorage.getItem('token'));
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},
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success: function (result, state, xhr) {//3个参数
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//result:请求到的结果数据
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//state:请求状态（success）
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//xhr:XMLHttpRequest对象
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//获取下载文件的类型
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let type = xhr.getResponseHeader("content-type")
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//结果数据类型处理
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let blob = new Blob([result], {type: type})
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//对于<a>标签，只有 Firefox 和 Chrome（内核）支持 download 属性
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//IE10以上支持blob，但是依然不支持download
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// debugger
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if ('download' in document.createElement('a')) {//支持a标签download的浏览器
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//通过创建a标签实现
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let link = document.createElement("a");
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//文件名
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link.download = fileName;
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link.style.display = "none"
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link.href = URL.createObjectURL(blob);
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document.body.appendChild(link);
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link.click();//执行下载
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URL.revokeObjectURL(link.href);//释放url
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document.body.removeChild(link);//释放标签
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} else {//不支持
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if (window.navigator.msSaveOrOpenBlob) {
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window.navigator.msSaveOrOpenBlob(blob, fileName)
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}
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}
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},
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})
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}
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if (url.length > 16) {
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download(url)
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} else {
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msg.text('解析URL异常')
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}
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</script>
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</body>
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