{"id":8290,"date":"2018-12-09T23:40:03","date_gmt":"2018-12-09T15:40:03","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8290"},"modified":"2018-12-09T23:44:20","modified_gmt":"2018-12-09T15:44:20","slug":"wavesurfer-js-mp3-audio-wave","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/12\/wavesurfer-js-mp3-audio-wave\/","title":{"rendered":"\u4f7f\u7528wavesurfer.js\u663e\u793amp3 audio\u97f3\u9891\u7684\u6ce2\u5f62\u56fe"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=8290<\/a>
\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4e2a\u4eba\u7f51\u7ad9\u65e0\u9700\u6388\u6743\uff0c\u53ea\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\u5373\u53ef\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n

\u4e00\u3001\u80fd\u4e0d\u80fd\u5f00\u5934\u4e0d\u8981\u5e9f\u8bdd\uff1f<\/h3>\n

\u80fd\uff01<\/p>\n

\u5982\u679c\u4f60\u60f3\u5b9e\u73b0\u4e0b\u56fe\u6240\u793a\u7684\u6ce2\u5f62\u56fe\u6548\u679c\uff0c\u53ef\u4ee5\u501f\u52a9wavesurfer.js\u3002<\/p>\n

\"\u6ce2\u5f62\u56fe\"<\/p>\n

\u4e8c\u3001\u4e86\u89e3wavesurfer.js<\/h3>\n

wavesurfer.js\u9879\u76ee\u5730\u5740\uff1ahttps:\/\/github.com\/katspaugh\/wavesurfer.js<\/a><\/p>\n

\u5b98\u7f51\u5730\u5740\uff1ahttp:\/\/wavesurfer-js.org\/<\/a><\/p>\n

\u8981\u60f3\u5b9e\u73b0\u4e00\u4e2a\u97f3\u9891\u7684\u6ce2\u5f62\u6548\u679c\uff0c\u5f88\u7b80\u5355\uff0c\u6309\u7167\u4e0b\u9762\u7684\u6b65\u9aa4\u6765\u5c31\u597d\u4e86\uff01<\/p>\n

\u4e09\u3001\u663e\u793a\u58f0\u97f3\u6ce2\u5f62\u56fe<\/h3>\n
    \n
  1. \u5f15\u5165JS\uff1a\n
    <script src=\"https:\/\/unpkg.com\/wavesurfer.js\"><\/script><\/pre>\n
    \u5982\u679c\u662f\u5b66\u4e60\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u7528\u4e0a\u9762\u7684\u5728\u7ebf\u5730\u5740\uff1b\u5982\u679c\u662f\u5b9e\u9645\u5f00\u53d1\uff0c\u8bf7\u4e0b\u8f7d\u5230\u672c\u5730\u3002<\/li>\n
  2. \u5199\u5165\u4e00\u4e2a<div><\/code>\u5bb9\u5668\uff0c\u7528\u6765\u5448\u73b0\u6ce2\u5f62\u56fe\uff0c\u4f8b\u5982\uff1a\n
    <div id=\"waveform\"><\/div><\/pre>\n<\/li>\n
  3. \u4f7f\u7528\u5168\u5c40\u7684WaveSurfer<\/code>\u5bf9\u8c61\u521b\u5efa\u4e00\u4e2a\u5b9e\u4f8b\uff1a\n
    var wavesurfer = WaveSurfer.create({\r\n    container: '#waveform'\r\n});<\/pre>\n<\/li>\n
  4. \u7528\u521b\u5efa\u7684wavesurfer<\/code>\u53bb\u52a0\u8f7d\u6211\u4eec\u7684\u97f3\u9891\u8d44\u6e90\uff0c\u53ef\u4ee5\u662f\u672c\u5730mp3\uff1a\n
    wavesurfer.load('..\/audio\/zxx.mp3');<\/pre>\n
    \u4e5f\u53ef\u4ee5\u662f\u5728\u7ebf\u5730\u5740\uff1a<\/p>\n
    wavesurfer.load('\/\/image.zhangxinxu.com\/audio\/zxx.mp3');<\/pre>\n
    \u5982\u679c\u5728\u7ebf\u5730\u5740\uff0c\u4e14\u8de8\u57df\u7684\u8bdd\uff0c\u8bb0\u5f97\u670d\u52a1\u5668\u4fa7\u8bbe\u7f6eCORS headers\uff0c\u5426\u5219\u5b89\u5168\u9650\u5236\uff0cmp3\u97f3\u9891\u8d44\u6e90\u65e0\u6cd5\u89e3\u6790\u3002\n<\/li>\n
  5. \u6b64\u65f6\uff0c\u6ce2\u5f62\u56fe\u5c31\u6709\u4e86\uff0c\u9ed8\u8ba4\u989c\u8272\u548c\u6837\u5f0f\u5982\u4e0b\uff1a\n
    \"\u9ed8\u8ba4\u7684\u6ce2\u5f62\u56feUI\"<\/p>\n
    \u6700\u5de6\u4fa7\u7684\u9ed1\u7ebf\u662f\u5f53\u524d\u64ad\u653e\u7684\u8fdb\u5ea6\u4f4d\u7f6e\u7ebf\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u64ad\u653e\u4e00\u6bb5\u97f3\u9891\uff0c\u5219\u4f1a\u4e0b\u56fe\u8fd9\u6837\uff1a<\/p>\n
    \"\u64ad\u653e\u540e\u7684\u6ce2\u5f62\u6548\u679c\u622a\u56fe\"<\/li>\n
  6. \u6211\u4eec\u8fd8\u53ef\u4ee5\u5916\u52a0\u4e00\u4e2a\u64ad\u653e\u548c\u6682\u505c\u6309\u94ae\uff0c\u63a7\u5236\u97f3\u9891\u548c\u6ce2\u5f62\u56fe\u7684\u64ad\u653e\u548c\u505c\u6b62\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a\n
    wavesurfer.play();\r\n\r\nwavesurfer.pause();<\/pre>\n
    \u66f4\u591a\u65b9\u6cd5\u53ef\u4ee5\u53c2\u89c1\u6587\u6863<\/a>\u3002<\/li>\n<\/ol>\n
    \u5b9e\u4f8bdemo\u5728\u54ea\u91cc\uff1f<\/h4>\n
    \u5728\u8fd9\u91cc\uff01\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u4f7f\u7528JS\u663e\u793aMp3\u97f3\u9891\u7684\u6ce2\u5f62\u56fedemo<\/a><\/p>\n
    demo\u4e2d\u7684\u97f3\u9891\u662f\u672c\u4eba\u4eb2\u81ea\u732e\u58f0\uff0c\u5199\u5230\u8fd9\u91cc\uff0c\u5fcd\u4e0d\u4f4f\u64b8\u4e86\u64b8\u81ea\u5df1\u5e05\u6c14\u7684\u5934\u53d1\uff0c\u673a\u4f1a\u96be\u5f97\uff0c\u5927\u5bb6\u4e0d\u59a8\u8fdb\u53bb\u542c\u4e00\u542c\u6211\u90fd\u8bf4\u4e86\u5565~ <\/p>\n
    \"demo\u9875\u9762\u6548\u679c\u622a\u56fe\"<\/p>\n
    demo\u9875\u9762HTML\u5982\u4e0b\uff1a<\/p>\n
    <div id=\"waveform\" class=\"waveform\"><\/div>\r\n<a href=\"javascript:\" id=\"btnPlay\" role=\"button\">\u64ad\u653e<\/a>\r\n<a href=\"javascript:\" id=\"btnPause\" role=\"button\">\u6682\u505c<\/a><\/pre>\n
    JS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    var wavesurfer = WaveSurfer.create({\r\n    container: '#waveform'\r\n});\r\nwavesurfer.load('.\/zxx-comic-01.mp3');\r\n\/\/ \u64ad\u653e\u548c\u6682\u505c<\/span>\r\nbtnPlay.addEventListener('click', function () {\r\n    wavesurfer.play();\r\n});\r\nbtnPause.addEventListener('click', function () {\r\n    wavesurfer.pause();\r\n});<\/pre>\n
    \u5c31\u662f\u8fd9\u4e48\u7b80\u5355\u3002<\/p>\n
    \u56db\u3001\u60f3\u8981\u66f4\u590d\u6742\u7684\u4ea4\u4e92\u663e\u793a\uff1f<\/h3>\n
    \u6ca1\u95ee\u9898\u3002<\/p>\n
    wavesurfer\u6709\u591a\u8fbe35\u4e2a\u53ef\u9009\u53c2\u6570<\/a>\uff0c\u4ec0\u4e48\u97f3\u9891\u901f\u7387\u63a7\u5236\uff0c\u6ce2\u5f62\u56fe\u5927\u5c0f\u5c3a\u5bf8\u554a\uff0c\u90fd\u5b8c\u5168\u4e0d\u5728\u8bdd\u4e0b\u3002<\/p>\n
    \u8fd8\u6709\u597d\u591a\u79cd\u65b9\u6cd5\uff0c\u5bf9\u4e86\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u63d2\u4ef6\uff0c\u4e30\u5bcc\u7684\u4f7f\u7528\u6848\u4f8b\u3002<\/p>\n
    \u57fa\u672c\u4e0a\uff0c\u4f60\u8981\u60f3\u5bf9\u97f3\u9891\u8fdb\u884c\u89e3\u6790\uff0c\u663e\u793a\u4e2a\u56fe\u5f62\u5565\u7684\uff0c\u4e0d\u8981\u591a\u60f3\u4e86\uff0c\u5c31wavesurfer\uff0c\u7ae5\u53df\u65e0\u6b3a\uff0c\u8001\u5c11\u7686\u5b9c\uff0c\u5c45\u5bb6\u65c5\u884c\uff0c\u5f00\u53d1\u5fc5\u5907\u3002<\/p>\n
    \u81ea\u5df1\u53bb\u63a2\u7d22\u5427\uff0c\u6211\u5c31\u4e0d\u8fdc\u9001\u4e86\uff01<\/p>\n
    \u4e94\u3001\u7ed3\u675f\u8bf4\u70b9\u5565\u6ca1\u5173\u7cfb\u5427<\/h3>\n
    \u7f51\u7ad9\u6362\u72ec\u7acb\u4e91\u540e\uff0c\u8d8a\u6765\u8d8a\u6162\uff0c\u770b\u8bbf\u95ee\u7edf\u8ba1\u6ca1\u591a\u5c11\u589e\u52a0\u5440~<\/p>\n
    \u4e8e\u662f\u4eca\u5929\u6253\u7b97\u770b\u770b\u65e5\u5fd7\u3002<\/p>\n
    \u561b\u5440\uff0c\u6211\u4e00\u770b\u65e5\u5fd7\u6587\u4ef6\uff0c9\u4e2a\u591aG\uff0c\u6574\u4e2a\u4eba\u90fd\u65af\u5df4\u8fbe\u4e86\uff0c\u8bfb\u5199\u4e00\u4e2a9\u4e2a\u591aG\u7684txt\uff0c\u518d\u600e\u4e48\u6837\uff0c\u4e5f\u4f1a\u8d8a\u6765\u8d8a\u6162\u7684\u5440\u3002\u800c\u4e14\u8fd9\u4e48\u5927\uff0c\u6839\u672c\u770b\u4e0d\u4e86\u65e5\u5fd7\u3002<\/p>\n
    \u6240\u4ee5\uff0c\u5c31\u542d\u54e7\u542d\u54e7\u6539\u6210\u6bcf\u5929\u4e00\u4e2a\u72ec\u7acb\u7684\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n
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    \u4e3a\u4e86\u8ba9\u5927\u5bb6\u610f\u8bc6\u5230\u94fe\u63a5\u5916\u90e8\u7f51\u7ad9\u7684\u4e00\u4e2aJS\u6587\u4ef6\u662f\u591a\u4e48\u5371\u9669\u7684\u4e8b\u60c5\u3002<\/p>\n
    \u563f\u563f\uff0c\u6211\u7ed9\u51e0\u4e2a\u8c03\u7528\u6bd4\u8f83\u9891\u7e41\u7684JS\u52a0\u4e86\u4e2a\u9690\u853d\u7684\u5f88\u574f\u7684\u5904\u7406\uff0c\u7279\u5b9a\u573a\u666f\u4e0b\u624d\u4f1a\u89e6\u53d1\u7684\u4e00\u4e2a\u65b0\u5f00\u6807\u7b7e\u9875\u884c\u4e3a\uff0c\u5177\u4f53\u7ec6\u8282\u6211\u5c31\u4e0d\u900f\u9732\u4e86\u3002<\/p>\n
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    <\/p>\n
    \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
    \n\u672c\u6587\u5730\u5740\uff1a    https:\/\/www.zhangxinxu.com\/wordpress\/?p=8290<\/a><\/p>\n
    \uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
    \"\u6ce2\u5f62\u56fe\"<\/p>\n
    \u5982\u679c\u4f60\u60f3\u5b9e\u73b0\u53f3\u56fe\u6240\u793a\u7684\u6ce2\u5f62\u56fe\u6548\u679c\uff0c\u53ef\u4ee5\u501f\u52a9wavesurfer.js\u3002wavesurfer.js\u4e0a\u624b\u7b80\u5355\uff0c\u6269\u5c55\u4e30\u5bcc\uff0c\u6709\u591a\u8fbe35\u4e2a\u53ef\u9009\u53c2\u6570\uff0c\u4ec0\u4e48\u97f3\u9891\u901f\u7387\u63a7\u5236\uff0c\u6ce2\u5f62\u56fe\u5927\u5c0f\u5c3a\u5bf8\u554a\uff0c\u90fd\u5b8c\u5168\u4e0d\u5728\u8bdd\u4e0b\u3002\u8fd8\u6709\u597d\u591a\u79cd\u65b9\u6cd5\uff0c\u5bf9\u4e86\uff0c\u8fd8\u6709\u5f88\u591a\u989d\u5916\u7684\u63d2\u4ef6\uff0c\u4e30\u5bcc\u7684\u4f7f\u7528\u6848\u4f8b\u3002<\/p>\n
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