![\"CSS](\"http:\/\/image.zhangxinxu.com\/image\/blog\/201711\/2017-11-11_194826.png\")
\n<\/p>\n\n\tCSS mask\u906e\u7f69\u5c5e\u6027\u7684\u5386\u53f2\u975e\u5e38\u4e45\u8fdc\u4e86\uff0c\u8fdc\u5230\u6bd4CSS3 border-radius\u7b49\u5c5e\u6027\u8fd8\u8981\u4e45\u8fdc\uff0c\u6700\u65e9\u662f\u51fa\u73b0\u5728Safari\u6d4f\u89c8\u5668\u4e0a\u7684\uff0c\u5dee\u4e0d\u591a\u53ef\u4ee5\u8ffd\u6eaf\u523009\u5e74\u3002\n<\/p>\n
\n\t\u4e0d\u8fc7\u90a3\u4e2a\u65f6\u5019\uff0c\u906e\u7f69\u53ea\u80fd\u4f5c\u4e3a\u5b9e\u9a8c\u6027\u7684\u5c5e\u6027\uff0c\u505a\u4e00\u4e9b\u7279\u6548\u4f7f\u7528\u3002\u6bd5\u7adf\u90a3\u4e2a\u5e74\u4ee3\u8fd8\u662fIE\u6d4f\u89c8\u5668\u7684\u65f6\u4ee3\uff0c\u5c5e\u6027\u867d\u597d\uff0c\u4f46\u4ef7\u503c\u6709\u9650\u3002\n<\/p>\n
\n\t\u4f46\u662f\u5982\u4eca\u60c5\u51b5\u5374\u5927\u6709\u53d8\u5316\uff0c\u9664\u4e86IE\u548cEdge\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\uff0cFirefox\uff0cChrome\u4ee5\u53ca\u79fb\u52a8\u7aef\u7b49\u90fd\u5df2\u7ecf\u5168\u7ebf\u652f\u6301\uff0c\u5176\u5b9e\u9645\u5e94\u7528\u4ef7\u503c\u5df2\u4e0d\u53ef\u540c\u65e5\u800c\u8bed\u3002\u5c24\u5176Firefox\u6d4f\u89c8\u5668\uff0c\u4ece\u7248\u672c55\u5f00\u59cb\uff0c\u5df2\u7ecf\u5168\u9762\u652f\u6301\u4e86CSS3 mask\u5c5e\u6027\u3002\u5e76\u4e14mask\u5c5e\u6027\u89c4\u8303\u5df2\u7ecf\u8fdb\u5165\u5019\u9009\u63a8\u8350\u89c4\u8303\u4e4b\u5217\uff0c\u4f1a\u8bf4\u4ee5\u540e\u8fdb\u5165\u65e2\u5b9a\u89c4\u8303\u6807\u51c6\u5df2\u7ecf\u662f\u677f\u4e0a\u9489\u9489\u7684\u4e8b\u60c5\uff0c\u5927\u5bb6\u53ef\u4ee5\u653e\u5fc3\u5b66\u4e60\uff0c\u5c06\u6765\u5fc5\u6709\u7528\u5904\u3002\n<\/p>\n
\n\t\n<\/p>\n
\n\t\u5728\u8fc7\u53bb\uff0cCSS mask\u5c5e\u6027\u5728\u4f7f\u7528\u7684\u65f6\u5019\u5c31\u662fmask: xxx\uff0c\u4f46\u662f\u73b0\u5728\u968f\u7740\u8fd9\u4e2a\u5c5e\u6027\u7684\u89c4\u8303\u5316\uff0cmask\u5c5e\u6027\u5b9e\u9645\u4e0a\u5df2\u7ecf\u6210\u4e3a\u4e86\u8bf8\u591amask-*\u7684\u7f29\u5199\uff0c\u8fd9\u548cbackground, border\u6027\u8d28\u662f\u4e00\u6837\u7684\u3002\n<\/p>\n
\n\t\u5177\u4f53\u662f\u54ea\u4e9b\u5c5e\u6027\u7684\u7f29\u5199\u5462\uff0c\u53ef\u4ee5\u53c2\u89c1\u4e0b\u9762\u7684\u5217\u8868\uff1a\n<\/p>\n
\n\t\u4e0b\u9762\u6211\u4eec\u5148\u6765\u4ecb\u7ecd mask-image \u5c5e\u6027\u7684\u7528\u6cd5\u3002\n<\/p>\n
\n\tmask-image\u6307\u906e\u7f69\u4f7f\u7528\u7684\u56fe\u7247\u8d44\u6e90\uff0c\u9ed8\u8ba4\u503c\u662fnone\uff0c\u4e5f\u5c31\u662f\u65e0\u906e\u7f69\u56fe\u7247\u3002\u56e0\u6b64\uff0c\u548cborder\u5c5e\u6027\u4e2d\u7684border-style\u5c5e\u6027\u7c7b\u4f3c\uff0c\u662f\u4e00\u4e2a\u60f3\u8981\u6709\u6548\u679c\u5c31\u5fc5\u987b\u8bbe\u5b9a\u7684\u5c5e\u6027\u503c\u3002\n<\/p>\n
\n\tmask-image\u906e\u7f69\u6240\u652f\u6301\u7684\u56fe\u7247\u7c7b\u578b\u975e\u5e38\u7684\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u662furl()\u9759\u6001\u56fe\u7247\u8d44\u6e90\uff0c\u683c\u5f0f\u5305\u62ecJPG\uff0cPNG\u4ee5\u53caSVG\u7b49\u90fd\u662f\u652f\u6301\u7684\uff1b\u4e5f\u53ef\u4ee5\u662f\u52a8\u6001\u751f\u6210\u7684\u56fe\u7247\uff0c\u4f8b\u5982\u4f7f\u7528\u5404\u79cdCSS3\u6e10\u53d8\u7ed8\u5236\u7684\u56fe\u7247\u3002\u8bed\u6cd5\u4e0a\u652f\u6301CSS3\u5404\u7c7b\u6e10\u53d8\uff0c\u4ee5\u53caurl()\u529f\u80fd\u7b26\uff0cimage()\u529f\u80fd\u7b26\uff0c\u751a\u81f3element()\u529f\u80fd\u7b26\u3002\u540c\u65f6\u8fd8\u652f\u6301\u591a\u80cc\u666f\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\uff0c\u4f7f\u7528mask-image\u6211\u4eec\u53ef\u4ee5\u906e\u7f69\u51fa\u4efb\u610f\u6211\u4eec\u60f3\u8981\u7684\u56fe\u5f62\uff0c\u975e\u5e38\u5f3a\u5927\u3002\n<\/p>\n
\n\t\u773c\u89c1\u4e3a\u5b9e\uff0c\u6211\u4eec\u901a\u8fc7\u5927\u91cf\u6848\u4f8b\u6765\u5c55\u793amask-image\u7684\u5f3a\u5927\u4e4b\u5904\u3002\n<\/p>\n
\n\t\u9996\u5148\uff0c\u4e0b\u9762\u6240\u6709\u6848\u4f8b\u4f7f\u7528\u539f\u59cb\u56fe\u5982\u4e0b\uff1a\n<\/p>\n
\n\t![\"mask-image\"](\"http:\/\/image.zhangxinxu.com\/image\/study\/p\/s500\/ps1.jpg\")
\n<\/p>\n
\n\t\u6211\u4eec\u5148\u6765\u4e00\u4e2a\u6700\u57fa\u7840\u7684png\u56fe\u7247\u906e\u7f69\u5c55\u793a\u3002\n<\/p>\n
\n\tCSS\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n.mask-image {\r\n width: 250px; height: 187.5px;\r\n -webkit-mask-image: url(loading.png);\r\n mask-image: url(loading.png);\r\n}<\/pre>\n\n\tHTML\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n<img src="ps1.jpg" class="mask-image"><\/pre>\n\n\t\u6700\u540e\u7684\u6548\u679c\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n<\/p>\n
\n\t![\"mask-image\"](\"http:\/\/image.zhangxinxu.com\/image\/blog\/201711\/2017-11-11_211201.png\")
\n<\/p>\n
\n\t\u4ece\u4e0a\u9762\u8fd9\u4e2a\u6700\u57fa\u672c\u7684\u6848\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u6240\u8c13\u906e\u7f69\uff0c\u5c31\u662f\u539f\u59cb\u56fe\u7247\u53ea\u663e\u793a\u906e\u7f69\u56fe\u7247\u975e\u900f\u660e\u7684\u90e8\u5206\u3002\u4f8b\u5982\u672c\u6848\u4f8b\u4e2d\uff0cloading\u5706\u73af\u6709\u989c\u8272\u90e8\u5206\u5c31\u662f\u5916\u9762\u4e00\u5708\u5706\u73af\uff0c\u4e8e\u662f\u6700\u7ec8\u6211\u4eec\u770b\u5230\u6548\u679c\u662f\u539f\u59cb\u56fe\u7247\uff0c\u53ea\u9732\u51fa\u4e86\u4e00\u4e2a\u4e00\u4e2a\u7684\u5708\u5708\u73af\u3002\u5e76\u4e14\u534a\u900f\u660e\u533a\u57df\u4e5f\u51c6\u786e\u906e\u7f69\u663e\u793a\u4e86\u3002\n<\/p>\n
\n\t\u56e0\u6b64\uff0c\u6211\u4eec\u5f88\u5c11\u4f7f\u7528jpg\u56fe\u7247\u6765\u4f5c\u4e3a\u906e\u7f69\u56fe\u7247\u7684\uff0c\u56e0\u4e3ajpg\u56fe\u7247\u4e00\u5b9a\u662f\u5b8c\u5168\u4e0d\u900f\u660e\u7684\uff0c\u6700\u7ec8\u7684\u6548\u679c\u5c31\u662f\u539f\u56fe\u4ec0\u4e48\u4e5f\u770b\u4e0d\u5230\u3002\n<\/p>\n
\n\t\u53e6\u5916\uff0c\u5982\u679cloading.png\u52a0\u8f7d\u5931\u8d25\uff0c\u5219Firefox\uff0cChrome\u6d4f\u89c8\u5668\u4e0b\u76f4\u63a5\u539f\u59cb\u56fe\u4e0d\u663e\u793a\u3002\n<\/p>\n
\n\t\u63a5\u7740\u6211\u4eec\u518d\u6765\u770b\u4e00\u4e2aSVG\u56fe\u5f62\u906e\u7f69\u6548\u679c\u5c55\u793a\u3002\n<\/p>\n
\n\tcss\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n.mask-image {\r\n width: 250px; height: 187.5px;\r\n -webkit-mask-image: url(star.svg);\r\n mask-image: url(star.svg);\r\n}<\/pre>\n\n\thtml\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n<img src="ps1.jpg" class="mask-image"><\/pre>\n\n\t\u6700\u7ec8\u7684\u6548\u679c\u548c\u4e0a\u56fe\u76f8\u4f3c\u3002\n<\/p>\n
\n\t\u4e0a\u9762\u662f\u5c06svg\u4f5c\u4e3a\u80cc\u666f\u56fe\u6765\u5b9e\u73b0\u7684\uff0c\u73b0\u5728\u6211\u4eec\u518d\u4f7f\u7528SVG\u56fe\u5f62\u4e2d<mask>\u5143\u7d20\u4f5c\u4e3a\u906e\u7f69\u5143\u7d20\u6765\u5b9e\u73b0\u5b83\u3002\n<\/p>\n
\n\tCSS \u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n.mask-image {\r\n width: 250px; height: 187.5px;\r\n -webkit-mask-image: url(#mask);\r\n mask-image: url(#mask);\r\n \/* Firefox\u5916\u94fe\u4e5f\u652f\u6301 *\/\r\n \/* mask-image: url(ellipse-rect.svg#mask); *\/\r\n}<\/pre>\n\n\thtml\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n<svg>\r\n <defs> \r\n <mask id="mask" maskContentUnits="objectBoundingBox">\r\n <!-- \u67d4\u5316\u8fb9\u7f18 -->\r\n <ellipse cx=".5" cy=".5" rx=".48" ry=".28" fill="black"><\/ellipse>\r\n <rect x=".2" y="0" width=".6" height="1" rx=".1" ry=".1" fill="black"><\/rect>\r\n <!-- \u4e3b\u4f53\u906e\u7f69 www.xttblog.com -->\r\n <ellipse cx=".5" cy=".5" rx=".4" ry=".2" fill="white"><\/ellipse>\r\n <rect x=".3" y=".1" width=".4" height=".8" rx=".1" ry=".1" fill="white"><\/rect>\r\n <\/mask>\r\n <\/defs> \r\n<\/svg>\r\n<img src="ps1.jpg" class="mask-image"><\/pre>\n\n\t\u518d\u4f7f\u7528SVG\u5143\u7d20\u5185\u8054SVG\u7684<mask>\uff0c\u770b\u4e0b\u9762\u7684\u5b9e\u73b0\u3002\n<\/p>\n
\n\tCSS \u4ee3\u7801\uff1a\n<\/p>\n
\r\n.mask-image {\r\n width: 250px; height: 187.5px;\r\n -webkit-mask-image: url(#mask);\r\n mask: url(#mask);\r\n mask-image: url(#mask);\r\n \/* Firefox\u5916\u94fe\u4e5f\u652f\u6301 *\/\r\n \/* mask-image: url(ellipse-rect.svg#mask); *\/\r\n}<\/pre>\n\n\tSVG\u5b9e\u73b0\u7684\u4ee3\u7801\uff1a\n<\/p>\n
\r\n<svg>\r\n <defs> \r\n <mask id="mask" maskContentUnits="objectBoundingBox">\r\n <!-- \u67d4\u5316\u8fb9\u7f18 www.xttblog.com-->\r\n <ellipse cx=".5" cy=".5" rx=".48" ry=".28" fill="black"><\/ellipse>\r\n <rect x=".2" y="0" width=".6" height="1" rx=".1" ry=".1" fill="black"><\/rect>\r\n <!-- \u4e3b\u4f53\u906e\u7f69 -->\r\n <ellipse cx=".5" cy=".5" rx=".4" ry=".2" fill="white"><\/ellipse>\r\n <rect x=".3" y=".1" width=".4" height=".8" rx=".1" ry=".1" fill="white"><\/rect>\r\n <\/mask>\r\n <\/defs> \r\n<\/svg>\r\n<svg width="250" height="186">\r\n <image xlink:href="ps1.jpg" class="mask-image" width="250" height="186"><\/image>\r\n<\/svg><\/pre>\n\n\t\u65e0\u8bba\u662fclip-path\u8fd8\u662f\u8fd9\u91cc\u7684mask\uff0c\u5916\u94feSVG\u7279\u6027\u7684\u652f\u6301\u4e00\u5b9a\u662f\u6bd4\u5185\u8054SVG\u5f31\u7684\u3002\u65e2\u7136Chrome\u6d4f\u89c8\u5668\u8fde\u666e\u901aHTML\u7684\u5185\u8054SVG\u7684<mask>\u90fd\u4e0d\u652f\u6301\uff0c\u81ea\u7136\u80af\u5b9a\u4e0d\u652f\u6301\u8fd9\u91cc\u7684\u5916\u94feSVG\u6587\u4ef6<mask>\u5143\u7d20\u7684\u906e\u7f69\u652f\u6301\u3002\n<\/p>\n
\n\t\u90a3\u4e4b\u524d\u8868\u73b0\u826f\u597d\u7684Firefox\u6d4f\u89c8\u5668\u5462\uff1f\n<\/p>\n
\n\t\u6bd4\u8f83\u5e78\u8fd0\uff0cFirefox\u6d4f\u89c8\u5668\u6700\u8fd1\u652f\u6301\u4e86\u4efb\u610f\u5143\u7d20\u5916\u94feSVG\u6587\u4ef6\u7684<mask>\uff0c\u4e3a\u4ec0\u4e48\u8bf4\u6700\u8fd1\u5462\uff1f\u6211\u770b\u4e86\u4e0b\u6211\u73b0\u5728\u7684Firefox\uff0c\u663e\u793a\u6700\u65b0\u7248\uff0c\u7248\u672c\u662f56\uff0c\u7136\u540eFirefox\u652f\u6301\u4efb\u610f\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528\u5916\u94feSVG <mask>\u5143\u7d20\u4f5c\u4e3a\u906e\u7f69\u662f\u7248\u672c55\u5f00\u59cb\u4e86\u3002\n<\/p>\n
\n\t\u81f3\u4e8e\u4e0a\u9762\u7684\uff0c\u4efb\u610f\u5143\u7d20\u5185\u8054SVG <mask>\u7684\u652f\u6301\uff0cFirefox\u5f88\u65e9\u5c31\u5df2\u7ecf\u652f\u6301\u3002\n<\/p>\n
\n\t\u76f8\u4fe1\u4e0d\u4e45\u7684\u7248\u672c\uff0cChrome\u6d4f\u89c8\u5668\u4e5f\u4f1a\u5bf9\u5176\u8fdb\u884c\u652f\u6301\u7684\uff0c\u53ef\u4ee5\u8010\u5fc3\u7b49\u5f85\u3002<\/p>\n
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