1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | <?php /* http://tool.css-js.com/base64.html 透明图片 <img src="data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABpJREFUeNpi/P//PwMxgImBSDCqkDoKAQIMANUSAxFqvpFcAAAAAElFTkSuQmCC"> 白色图片 <img src="data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABhJREFUeNpi/P//PwNuwMSAF4xUaYAAAwCl4wMRhhRWpQAAAABJRU5ErkJggg=="> 红色图片 <img src="data:image/jpg;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABVJREFUeNpi/M+ADzAxjEpjAQABBgBBLAETbs/ntQAAAABJRU5ErkJggg=="> */ // base64 转图片 $base64 = "iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABVJREFUeNpi/M+ADzAxjEpjAQABBgBBLAETbs/ntQAAAABJRU5ErkJggg==" ; $img = base64_decode ( $base64 ); file_put_contents (__DIR__ . '/null.jpg' , $img ); //返回的是字节数 // 图片转 base64 $a = file_get_contents (__DIR__ . '/null.png' ); echo '<img src="data:image/jpg;base64,' . base64_encode ( $a ) . '">' ; /* 在HTML使用base64编码, 叫做Data URI scheme. Data URI scheme目前支持的类型有: data:,文本字串 data:text/plain,%s data:text/html,%s data:text/html;base64,%s data:text/css,%s data:text/css;base64,%s data:text/javascript,%s data:text/javascript;base64,%s data:image/gif;base64,%s data:image/png;base64,%s data:image/jpeg;base64,%s data:image/x-icon;base64,%s */ |
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