{"id":5332,"date":"2016-04-06T23:32:39","date_gmt":"2016-04-06T15:32:39","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5332"},"modified":"2018-01-10T00:17:15","modified_gmt":"2018-01-09T16:17:15","slug":"know-about-html-download-attribute","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2016\/04\/know-about-html-download-attribute\/","title":{"rendered":"\u4e86\u89e3HTML\/HTML5\u4e2d\u7684download\u5c5e\u6027"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5332\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=5332<\/a><\/p>\n<h3>\u4e00\u3001download\u5c5e\u6027\u662f\u4e2a\u4ec0\u4e48\u9b3c\uff1f<\/h3>\n<p>\u9996\u5148\u770b\u4e0b\u9762\u8fd9\u79cd\u622a\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201604\/2016-04-06_215936.png\" width=\"295\" height=\"140\" alt=\"\u4e0b\u8f7d\u6309\u94ae\" class=\"alignnone\" \/><\/p>\n<p>\u5982\u679c\u6211\u4eec\u60f3\u5b9e\u73b0\u70b9\u51fb\u4e0a\u9762\u7684\u4e0b\u8f7d\u6309\u94ae\u4e0b\u8f7d\u4e00\u5f20\u56fe\u7247\uff0c\u4f60\u4f1a\u5982\u4f55\u5b9e\u73b0\uff1f<\/p>\n<p>\u6211\u4eec\u53ef\u80fd\u4f1a\u60f3\u5230\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5c31\u662f\u76f4\u63a5\u6309\u94ae<code>a<\/code>\u6807\u7b7e\u94fe\u63a5\u4e00\u5f20\u56fe\u7247\uff0c\u7c7b\u4f3c\u4e0b\u9762\u8fd9\u6837\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"large.jpg\"&gt;\u4e0b\u8f7d&lt;\/a&gt;<\/pre>\n<\/div>\n<p>\u4f46\u662f\uff0c\u60f3\u6cd5\u867d\u597d\uff0c\u5b9e\u9645\u6548\u679c\u5374\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\uff0c\u56e0\u4e3a\u6d4f\u89c8\u5668\u53ef\u4ee5\u76f4\u63a5\u6d4f\u89c8\u56fe\u7247\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u70b9\u51fb\u4e0b\u9762\u7684\u201c\u4e0b\u8f7d\u201d\u94fe\u63a5\uff0c\u5e76\u662f\u4e0d\u4e0b\u8f7d\u56fe\u7247\uff0c\u800c\u662f\u5728\u65b0\u7a97\u53e3\u76f4\u63a5\u6d4f\u89c8\u56fe\u7247\u3002<\/p>\n<p><a href=\"http:\/\/ww2.sinaimg.cn\/large\/4b4d632fgw1f1hhza4495j20ku0rsjxs.jpg\" target=\"_blank\">\u4e0b\u8f7d<\/a><\/p>\n<p>\u770b\u6211\u7684\u773c\u775b\uff0c<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.t.sinajs.cn\/t4\/appstyle\/expression\/ext\/normal\/b6\/doge_thumb.gif\" width=\"22\" height=\"22\" alt=\"go die\" class=\"alignnone\" \/><\/p>\n<p>\u4e8e\u662f\uff0c\u57fa\u672c\u4e0a\uff0c\u76ee\u524d\u7684\u5b9e\u73b0\u90fd\u662f\u653e\u5f03HTML\u7b56\u7565\uff0c\u800c\u662f\u4f7f\u7528\uff0c\u4f8b\u5982php\u8fd9\u6837\u7684\u540e\u7aef\u8bed\u8a00\uff0c\u901a\u8fc7\u544a\u77e5\u6d4f\u89c8\u5668<code>header<\/code>\u4fe1\u606f\uff0c\u6765\u5b9e\u73b0\u4e0b\u8f7d\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>header('Content-type: image\/jpeg'); \nheader(\"Content-Disposition: attachment; filename='download.jpg'\"); <\/pre>\n<\/div>\n<p>\u7136\u800c\uff0c\u8fd9\u79cd\u524d\u540e\u7aef\u90fd\u8981\u64cd\u5fc3\u7684\u65b9\u5f0f\u795e\u70e6\uff0c\u73b0\u5728\u90fd\u6d41\u884c\u524d\u540e\u7aef\u5206\u79bb\uff0c\u8fd8\u6405\u5728\u4e00\u8d77\u592a\u7d2f\u4e86\uff0c\u611f\u89c9\u4e0d\u4f1a\u518d\u7231\u4e86\u3002<\/p>\n<p>\u90a3\u6709\u6ca1\u6709\u4ec0\u4e48\u53ea\u9700\u8981\u524d\u7aef\u52a8\u52a8\u6307\u5934\u5c31\u80fd\u5b9e\u73b0\u4e0b\u8f7d\u7684\u65b9\u5f0f\u5462\uff1f\u6709\uff0c\u5c31\u662f\u672c\u6587\u8981\u4ecb\u7ecd\u7684<code>download<\/code>\u5c5e\u6027\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5e0c\u671b\u70b9\u51fb\u201c\u4e0b\u8f7d\u201d\u94fe\u63a5\u4e0b\u8f7d\u56fe\u7247\u800c\u4e0d\u662f\u6d4f\u89c8\uff0c\u76f4\u63a5\u589e\u52a0\u4e00\u4e2a<code>download<\/code>\u5c5e\u6027\u5c31\u53ef\u4ee5\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"large.jpg\" <span style=\"color:#cd0000;\">download<\/span>&gt;\u4e0b\u8f7d&lt;\/a&gt;<\/pre>\n<\/div>\n<p>\u6ca1\u9519\uff0c\u4f60\u6ca1\u6709\u770b\u9519\uff0c\u5c31\u8fd9\u4e48\u7ed3\u675f\u4e86\uff0c\u4e0d\u59a8\u70b9\u51fb\u540e\u9762\u7684\u94fe\u63a5\u8bd5\u8bd5\uff1a<a href=\"http:\/\/ww2.sinaimg.cn\/large\/4b4d632fgw1f1hhza4495j20ku0rsjxs.jpg\" download>\u4e0b\u8f7d<\/a><\/p>\n<p>\u7ed3\u679c\u5728Chrome\u6d4f\u89c8\u5668\u4e0b\uff08FireFox\u6d4f\u89c8\u5668\u56e0\u4e3a\u8de8\u57df\u9650\u5236\u65e0\u6548\uff09\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201604\/2016-04-06_223411.png\" width=\"530\" height=\"171\" alt=\"\u4e0b\u8f7d\u56fe\u7247\" class=\"alignnone\" \/><\/p>\n<p>\u4e0d\u4ec5\u5982\u6b64\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u6307\u5b9a\u4e0b\u8f7d\u56fe\u7247\u7684\u6587\u4ef6\u540d\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"index_logo.gif\" <span style=\"color:#cd0000;\">download=\"_5332_.gif\"<\/span>&gt;\u4e0b\u8f7d&lt;\/a&gt;<\/pre>\n<\/div>\n<p>\u5982\u679c\u540e\u7f00\u540d\u4e00\u6837\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7f3a\u7701\uff0c\u76f4\u63a5\u6587\u4ef6\u540d\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"index_logo.gif\" <span style=\"color:#cd0000;\">download=\"_5332_\"<\/span>&gt;\u4e0b\u8f7d&lt;\/a&gt;<\/pre>\n<\/div>\n<p>\u622a\u56fe\u4e3a\u865a\uff0c\u64cd\u4f5c\u4e3a\u5b9e\uff1a<a href=\"\/wordpress\/wp-content\/themes\/default\/images\/index_logo.gif\" download=\"_5332_\">\u4e0b\u8f7d<\/a><\/p>\n<p>Chrome\u4e0b\u7684\u622a\u56fe\u6548\u679c\u793a\u610f\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201604\/2016-04-06_225237.png\" width=\"509\" height=\"155\" alt=\"\u4e0b\u8f7d\u540c\u65f6\u66f4\u6539\u540d\u79f0\" class=\"alignnone\" \/><\/p>\n<p>\u4e00\u4e2a\u5927\u5199\u7684\u9177\u91cc\uff01<\/p>\n<h3>\u4e8c\u3001\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u548c\u8de8\u57df\u7b56\u7565<\/h3>\n<p><a href=\"http:\/\/caniuse.com\/download\/embed\" rel=\"nofollow\" target=\"_blank\">\u517c\u5bb9\u6027<\/a>\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-10_001555.png\" width=\"559\" height=\"265\" alt=\"Download\u5c5e\u6027\u7684\u517c\u5bb9\u6027\" class=\"alignnone\" \/><\/p>\n<p>\u7136\u800c\uff0ccaniuse\u5c55\u793a\u7684\u517c\u5bb9\u6027\u53ea\u662f\u4e2a\u7b3c\u7edf\uff0c\u6839\u636e\u9119\u4eba\u7684\u5b9e\u5730\u6d4b\u8bd5\uff0c\u4e8b\u60c5\u8981\u6bd4\u770b\u5230\u7684\u590d\u6742\u3002<\/p>\n<p>\u4e3b\u8981\u8868\u73b0\u5728\u8de8\u57df\u7b56\u7565\u7684\u5904\u7406\u4e0a\uff0c\u7531\u4e8e\u6211\u624b\u4e0a\u6ca1\u6709IE13\uff0c\u6240\u4ee5\uff0c\u53ea\u80fd\u5bf9\u6bd4Chrome\u6d4f\u89c8\u5668\u548cFireFox\u6d4f\u89c8\u5668\uff1a<\/p>\n<p>\u5982\u679c\u9700\u8981\u4e0b\u8f7d\u7684\u8d44\u6e90\u662f\u8de8\u57df\u7684\uff0c\u5305\u62ec\u8de8\u5b50\u57df\uff0c\u5728Chrome\u6d4f\u89c8\u5668\u4e0b\uff0c\u4f7f\u7528<code>download<\/code>\u5c5e\u6027\u662f\u53ef\u4ee5\u4e0b\u8f7d\u7684\uff0c\u4f46\u662f\uff0c\u5e76\u4e0d\u80fd\u91cd\u7f6e\u4e0b\u8f7d\u7684\u6587\u4ef6\u7684\u547d\u540d\uff1b\u800cFireFox\u6d4f\u89c8\u5668\u4e0b\uff0c\u5219<code>download<\/code>\u5c5e\u6027\u662f\u65e0\u6548\u7684\uff0c\u4e5f\u5c31\u662fFireFox\u6d4f\u89c8\u5668\u65e0\u8bba\u5982\u4f55\u90fd\u4e0d\u652f\u6301\u8de8\u57df\u8d44\u6e90\u7684<code>download<\/code>\u5c5e\u6027\u4e0b\u8f7d\u3002<\/p>\n<p>\u800c\uff0c\u5982\u679c\u8d44\u6e90\u662f\u540c\u57df\u540d\u7684\uff0c\u5219\u4e24\u4e2a\u6d4f\u89c8\u5668\u90fd\u662f\u7545\u901a\u65e0\u963b\u7684\u4e0b\u8f7d\uff0c\u4e0d\u4f1a\u51fa\u73b0\u4e0b\u8f7d\u53d8\u6d4f\u89c8\u7684\u60c5\u51b5\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201604\/2016-04-06_231746.png\" width=\"462\" height=\"360\" alt=\"FireFox\u6d4f\u89c8\u5668\u4e0b\u7684\u4e0b\u8f7d\u63d0\u793a\" class=\"alignnone\" \/><\/p>\n<p><strong>\u662f\u5426\u652f\u6301download\u5c5e\u6027\u7684\u76d1\u6d4b<\/strong><br \/>\n\u8981\u76d1\u6d4b\u5f53\u524d\u6d4f\u89c8\u5668\u662f\u5426\u652f\u6301<code>download<\/code>\u5c5e\u6027\uff0c\u4e00\u884cJS\u4ee3\u7801\u5c31\u53ef\u4ee5\u4e86\uff0c\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>var isSupportDownload = 'download' in document.createElement('a');<\/pre>\n<\/div>\n<h3>\u4e09\u3001\u7ed3\u675f\u8bed<\/h3>\n<p>\u9664\u4e86\u56fe\u7247\u8d44\u6e90\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u662fPDF\u8d44\u6e90\uff0c\u6216\u8005txt\u8d44\u6e90\u7b49\u7b49\u3002\u5c24\u5176Chrome\u7b49\u6d4f\u89c8\u5668\u53ef\u4ee5\u76f4\u63a5\u6253\u5f00PDF\u6587\u4ef6\uff0c\u4f7f\u5f97\u6b64\u6587\u4ef6\u683c\u5f0f\u9700\u8981<code>download<\/code>\u5904\u7406\u7684\u573a\u666f\u8d8a\u6765\u8d8a\u666e\u904d\u3002<\/p>\n<p>\u6b64HTML\u5c5e\u6027\u867d\u7136\u975e\u5e38\u5b9e\u7528\u548c\u65b9\u4fbf\uff0c\u4f46\u662f\u517c\u5bb9\u6027\u5236\u7ea6\u4e86\u6211\u4eec\u7684\u5927\u89c4\u6a21\u5e94\u7528\u3002<\/p>\n<p>\u540c\u65f6\u8003\u8651\u5230\u5f88\u591a\u65f6\u5019\uff0c\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u4e0b\u8f7d\u7684\u7edf\u8ba1\uff0c\u7eaf\u524d\u7aef\u7684\u65b9\u5f0f\u60f3\u8981\u4fdd\u5b58\u4e0b\u8f7d\u91cf\u6570\u636e\uff0c\u8fd8\u662f\u6709\u4e9b\u5403\u7d27\uff0c\u9700\u8981\u8ddf\u5f00\u53d1\u7684\u540c\u5b66\u914d\u5408\u624d\u884c\uff0c\u8fd8\u4e0d\u5982\u4f7f\u7528\u4f20\u7edf\u65b9\u6cd5\u3002<\/p>\n<p>\u6240\u4ee5\uff0c<code>download<\/code>\u5c5e\u6027\u7684\u672a\u6765\u524d\u666f\u5728\u54ea\u91cc\uff1f\u5f53\u4e0b\u662f\u5426\u53ef\u4ee5\u76f4\u63a5\u52a0\u5165\u5230\u5b9e\u9645\u9879\u76ee\uff1f\u8fd8\u9700\u8981\u6211\u4eec\u4e00\u8d77\u597d\u597d\u60f3\u60f3\u3002\u5176\u5b9e\u4f7f\u7528JS\u5b9e\u73b0<code>download<\/code>\u5c5e\u6027\u7684polyfill\u5e76\u4e0d\u96be\uff0c\u4f46\u662f\uff0c\u8003\u8651\u5230\u4e3a\u4f55\u4e0d\u6240\u6709\u6d4f\u89c8\u5668\u90fd\u4f7f\u7528polyfill\u7684\u65b9\u6cd5\uff0c\u53c8\u89c9\u5f97\u4e3a\u4e86\u6280\u672f\u800c\u6280\u672f\u662f\u4e0d\u592a\u59a5\u5f53\u7684\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u5148\u653e\u7740\u5fc3\u4e0a\uff0c\u518d\u89c2\u5bdf\u89c2\u5bdf\u3002<\/p>\n<p><strong>\u8865\u5145\u4e8e2017-07-04<\/strong><br \/>\n\u5982\u679c\u9700\u6c42\u662f\u76f4\u63a5\u4f7f\u7528JS\u89e6\u53d1\u6d4f\u89c8\u5668\u7684\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u770b\u770b\u8fd9\u7bc7\u6587\u7ae0\uff1a\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=6252\">\u4f7f\u7528JS\u8ba9\u6587\u672c\u5b57\u7b26\u4e32\u4f5c\u4e3ahtml\u6216JSON\u6587\u4ef6\u4e0b\u8f7d<\/a>\u201d\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201611\/14.png\" align=\"absmiddle\"><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a 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