这个比较简单，直接贴代码了：
<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8" /> <title>使用css实现液晶字体效果</title> <script src="https://common.cnblogs.com/scripts/jquery-2.2.0.min.js"></script> <style type="text/css"> /* The Digits */ .light { width: 300px; background: #f4f5f7; height: 60px; text-align: center; } .digits div { text-align: left; position: relative; width: 28px; height: 50px; display: inline-block; margin: 0 4px; } .light .digits div span { background-color: #272e38; border-color: #272e38; } .digits div span { opacity: 0; position: absolute; -webkit-transition: 0.25s; -moz-transition: 0.25s; transition: 0.25s; } .digits div span:before, .digits div span:after { content: ''; position: absolute; width: 0; height: 0; border: 5px solid transparent; } .digits .d1 { height: 5px; width: 16px; top: 0; left: 6px; } .digits .d1:before { border-width: 0 5px 5px 0; border-right-color: inherit; left: -5px; } .digits .d1:after { border-width: 0 0 5px 5px; border-left-color: inherit; right: -5px; } .digits .d2 { height: 5px; width: 16px; top: 24px; left: 6px; } .digits .d2:before { border-width: 3px 4px 2px; border-right-color: inherit; left: -8px; } .digits .d2:after { border-width: 3px 4px 2px; border-left-color: inherit; right: -8px; } .digits .d3 { height: 5px; width: 16px; top: 48px; left: 6px; } .digits .d3:before { border-width: 5px 5px 0 0; border-right-color: inherit; left: -5px; } .digits .d3:after { border-width: 5px 0 0 5px; border-left-color: inherit; right: -5px; } .digits .d4 { width: 5px; height: 14px; top: 7px; left: 0; } .digits .d4:before { border-width: 0 5px 5px 0; border-bottom-color: inherit; top: -5px; } .digits .d4:after { border-width: 0 0 5px 5px; border-left-color: inherit; bottom: -5px; } .digits .d5 { width: 5px; height: 14px; top: 7px; right: 0; } .digits .d5:before { border-width: 0 0 5px 5px; border-bottom-color: inherit; top: -5px; } .digits .d5:after { border-width: 5px 0 0 5px; border-top-color: inherit; bottom: -5px; } .digits .d6 { width: 5px; height: 14px; top: 32px; left: 0; } .digits .d6:before { border-width: 0 5px 5px 0; border-bottom-color: inherit; top: -5px; } .digits .d6:after { border-width: 0 0 5px 5px; border-left-color: inherit; bottom: -5px; } .digits .d7 { width: 5px; height: 14px; top: 32px; right: 0; } .digits .d7:before { border-width: 0 0 5px 5px; border-bottom-color: inherit; top: -5px; } .digits .d7:after { border-width: 5px 0 0 5px; border-top-color: inherit; bottom: -5px; } /* 1 */ .digits div.one .d5, .digits div.one .d7 { opacity: 1; } /* 2 */ .digits div.two .d1, .digits div.two .d5, .digits div.two .d2, .digits div.two .d6, .digits div.two .d3 { opacity: 1; } /* 3 */ .digits div.three .d1, .digits div.three .d5, .digits div.three .d2, .digits div.three .d7, .digits div.three .d3 { opacity: 1; } /* 4 */ .digits div.four .d5, .digits div.four .d2, .digits div.four .d4, .digits div.four .d7 { opacity: 1; } /* 5 */ .digits div.five .d1, .digits div.five .d2, .digits div.five .d4, .digits div.five .d3, .digits div.five .d7 { opacity: 1; } /* 6 */ .digits div.six .d1, .digits div.six .d2, .digits div.six .d4, .digits div.six .d3, .digits div.six .d6, .digits div.six .d7 { opacity: 1; } /* 7 */ .digits div.seven .d1, .digits div.seven .d5, .digits div.seven .d7 { opacity: 1; } /* 8 */ .digits div.eight .d1, .digits div.eight .d2, .digits div.eight .d3, .digits div.eight .d4, .digits div.eight .d5, .digits div.eight .d6, .digits div.eight .d7 { opacity: 1; } /* 9 */ .digits div.nine .d1, .digits div.nine .d2, .digits div.nine .d3, .digits div.nine .d4, .digits div.nine .d5, .digits div.nine .d7 { opacity: 1; } /* 0 */ .digits div.zero .d1, .digits div.zero .d3, .digits div.zero .d4, .digits div.zero .d5, .digits div.zero .d6, .digits div.zero .d7 { opacity: 1; } /* dot */ .digits div.dot { width: 5px; } .dot:after { width: 5px; height: 5px; content: ''; position: absolute; left: 0; bottom: 0px; background-color: #272e38; } </style> </head> <body> <div class="light"> <div class="digits"></div> </div> </body> </html> <script> function clocknumnum) { $'.digits').empty); var html = ''; var strarr = num.toString).split''); var digit_to_name = 'zero one two three four five six seven eight nine'.split' '); for var i = 0; i < strarr.length; i++) { if strarr[i] == '.') { html += '<div class="dot"></div>' } else { var clasname = digit_to_name[strarr[i]]; html += '<div class="' + clasname + '">' + '<span class="d1"></span>' + '<span class="d2"></span>' + '<span class="d3"></span>' + '<span class="d4"></span>' + '<span class="d5"></span>' + '<span class="d6"></span>' + '<span class="d7"></span>' + '</div>'; } } $'.digits').appendhtml); } clocknum520.1314); //执行 </script>
效果：
