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\u90a3\u4e48\u5230\u5e95\u5728GIF,PNG,JPG\u8fd9\u4e9b\u683c\u5f0f\u6211\u4eec\u8981\u9009\u62e9\u54ea\u4e00\u79cd\u4f5c\u4e3a\u5019\u9009\u683c\u5f0f,\u800c\u54ea\u79cd\u56fe\u7247\u683c\u5f0f\u53ef\u4ee5\u8ba9\u56fe\u7247\u66f4\u5c0f,\u5374\u62e5\u6709\u66f4\u597d\u7684\u56fe\u7247\u8d28\u91cf\u5462?
1.\u56fe\u7247\u683c\u5f0f
GIF
GIF\u6700\u7a81\u51fa\u7684\u5730\u65b9\u5c31\u662f\u4ed6\u652f\u6301\u52a8\u753b,\u540c\u65f6GIF\u4e5f\u662f\u4e00\u79cd\u65e0\u635f\u7684\u56fe\u7247\u683c\u5f0f,\u4e5f\u5c31\u662f\u8bf4\u4f60\u5728\u4fee\u6539\u56fe\u7247\u4e4b\u540e,\u56fe\u7247\u8d28\u91cf\u5e76\u6ca1\u6709\u635f\u5931.\u518d\u8005GIF\u652f\u6301\u534a\u900f\u660e(\u5168\u900f\u660e\u6216\u662f\u5168\u4e0d\u900f\u660e).
\u6839\u636eGoogle\u7684\u8bf4\u6cd5,GIF\u9002\u7528\u4e8e\u5f88\u5c0f\u6216\u662f\u8f83\u7b80\u5355\u7684\u56fe\u7247(10\u00d710\u4ee5\u4e0b\u6216\u662f3\u79cd\u989c\u8272\u4ee5\u4e0b\u7684\u56fe\u7247).
PNG
\u9996\u5148,PNG\u5305\u62ec\u4e86PNG-8\u8ddf\u771f\u5f69\u8272-PNG(PNG-24 or PNG-32).\u90a3PNG\u76f8\u5bf9\u4e8eGIF\u6700\u5927\u7684\u4f18\u52bf\u662f:
\u901a\u5e38\u4f53\u79ef\u4f1a\u66f4\u5c0f
\u652f\u6301alpha(\u5168\u900f\u660e)
\u4f46\u662f\u6211\u4eec\u77e5\u9053PNG\u662f\u4e0d\u652f\u6301\u52a8\u753b\u7684.
\u540c\u65f6\u9700\u8981\u7559\u610fIE6\u662f\u53ef\u4ee5\u652f\u6301PNG-8\u7684,\u4f46\u662f\u5728\u5904\u7406PNG-24\u7684\u900f\u660e\u65f6\u4f1a\u663e\u793a\u4f1a\u7070\u8272.\u76f8\u5173\u4f8b\u5b50\u53ef\u4ee5\u53c2\u8003sitepoint.
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JPG
JPG\u6240\u80fd\u663e\u793a\u7684\u989c\u8272\u6bd4GIF,PNG\u8981\u591a\u7684\u591a,\u540c\u65f6\u5f97\u5230\u5f88\u597d\u7684\u538b\u7f29,\u6240\u4ee5JPG\u5f88\u9002\u7528\u4e8e\u4fdd\u5b58\u6570\u7801\u7167\u7247.\u4f46\u662f\u6ce8\u610f\u5b83\u662f\u4e00\u79cd\u5931\u771f\u538b\u7f29,\u8fd9\u610f\u5473\u7740\u4f60\u6bcf\u6b21\u4fee\u6539\u56fe\u7247\u90fd\u4f1a\u9020\u6210\u50cf\u7d20\u5931\u771f.
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\u4e00\u53e5\u8bdd:\u5c0f\u56fe\u7247\u6216\u7f51\u9875\u57fa\u672c\u5143\u7d20(\u5982\u6309\u94ae),\u8003\u8651PNG-8\u6216GIF.\u7167\u7247\u5219\u8003\u8651JPG.<\/p>\n","protected":false},"excerpt":{"rendered":"
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