这使用了标准的CSS边框和一个伪元素+overflow:hidden。 在这个例子中，你得到了三个不同的2px虚线边界:normal，间隔为5px，间隔为10px。实际上是10px，只有10-8=2px可见。

div.two{border:2px dashed #FF0000} div.five:before { content: ""; position: absolute; border: 5px dashed #FF0000; top: -3px; bottom: -3px; left: -3px; right: -3px; } div.ten:before { content: ""; position: absolute; border: 10px dashed #FF0000; top: -8px; bottom: -8px; left: -8px; right: -8px; } div.odd:before {left:0;right:0;border-radius:60px} div { overflow: hidden; position: relative; text-align:center; padding:10px; margin-bottom:20px; } <div class="two">Kupo nuts here</div> <div class="five">Kupo nuts<br/>here</div> <div class="ten">Kupo<br/>nuts<br/>here</div> <div class="ten odd">Kupo<br/>nuts<br/>here</div>

应用于小元素的大圆角可能会产生一些有趣的效果。

<div style="width: 100%; height: 100vh; max-height: 20px; max-width: 100%; background: url('https://kajabi-storefronts-production.global.ssl.fastly.net/kajabi-storefronts-production/themes/853636/settings_images/Ei2yf3t7TvyRpFaLQZiX_dot.jpg') #000; background-repeat: repeat;">&nbsp;</div>

这就是我所做的——使用图像 在这里输入图像描述

我做了一个javascript函数，用svg创建点。你可以在javascript代码中调整点间距和大小。

var make_dotted_borders = function() { // EDIT THESE SETTINGS: var spacing = 8; var dot_width = 2; var dot_height = 2; //--------------------- var dotteds = document.getElementsByClassName("dotted"); for (var i = 0; i < dotteds.length; i++) { var width = dotteds[i].clientWidth + 1.5; var height = dotteds[i].clientHeight; var horizontal_count = Math.floor(width / spacing); var h_spacing_percent = 100 / horizontal_count; var h_subtraction_percent = ((dot_width / 2) / width) * 100; var vertical_count = Math.floor(height / spacing); var v_spacing_percent = 100 / vertical_count; var v_subtraction_percent = ((dot_height / 2) / height) * 100; var dot_container = document.createElement("div"); dot_container.classList.add("dot_container"); dot_container.style.display = getComputedStyle(dotteds[i], null).display; var clone = dotteds[i].cloneNode(true); dotteds[i].parentElement.replaceChild(dot_container, dotteds[i]); dot_container.appendChild(clone); for (var x = 0; x < horizontal_count; x++) { // The Top Dots var dot = document.createElement("div"); dot.classList.add("dot"); dot.style.width = dot_width + "px"; dot.style.height = dot_height + "px"; var left_percent = (h_spacing_percent * x) - h_subtraction_percent; dot.style.left = left_percent + "%"; dot.style.top = (-dot_height / 2) + "px"; dot_container.appendChild(dot); // The Bottom Dots var dot = document.createElement("div"); dot.classList.add("dot"); dot.style.width = dot_width + "px"; dot.style.height = dot_height + "px"; dot.style.left = (h_spacing_percent * x) - h_subtraction_percent + "%"; dot.style.top = height - (dot_height / 2) + "px"; dot_container.appendChild(dot); } for (var y = 1; y < vertical_count; y++) { // The Left Dots: var dot = document.createElement("div"); dot.classList.add("dot"); dot.style.width = dot_width + "px"; dot.style.height = dot_height + "px"; dot.style.left = (-dot_width / 2) + "px"; dot.style.top = (v_spacing_percent * y) - v_subtraction_percent + "%"; dot_container.appendChild(dot); } for (var y = 0; y < vertical_count + 1; y++) { // The Right Dots: var dot = document.createElement("div"); dot.classList.add("dot"); dot.style.width = dot_width + "px"; dot.style.height = dot_height + "px"; dot.style.left = width - (dot_width / 2) + "px"; if (y < vertical_count) { dot.style.top = (v_spacing_percent * y) - v_subtraction_percent + "%"; } else { dot.style.top = height - (dot_height / 2) + "px"; } dot_container.appendChild(dot); } } } make_dotted_borders(); div.dotted { display: inline-block; padding: 0.5em; } div.dot_container { position: relative; margin-left: 0.25em; margin-right: 0.25em; } div.dot { position: absolute; content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="100" width="100"><circle cx="50" cy="50" r="50" fill="black" /></svg>'); } <div class="dotted">Lorem Ipsum</div>

虽然迟到了，但我在网上找到了这个小巧玲珑的工具。

https://kovart.github.io/dashed-border-generator/

这使用了标准的CSS边框和一个伪元素+overflow:hidden。 在这个例子中，你得到了三个不同的2px虚线边界:normal，间隔为5px，间隔为10px。实际上是10px，只有10-8=2px可见。

div.two{border:2px dashed #FF0000} div.five:before { content: ""; position: absolute; border: 5px dashed #FF0000; top: -3px; bottom: -3px; left: -3px; right: -3px; } div.ten:before { content: ""; position: absolute; border: 10px dashed #FF0000; top: -8px; bottom: -8px; left: -8px; right: -8px; } div.odd:before {left:0;right:0;border-radius:60px} div { overflow: hidden; position: relative; text-align:center; padding:10px; margin-bottom:20px; } <div class="two">Kupo nuts here</div> <div class="five">Kupo nuts<br/>here</div> <div class="ten">Kupo<br/>nuts<br/>here</div> <div class="ten odd">Kupo<br/>nuts<br/>here</div>

应用于小元素的大圆角可能会产生一些有趣的效果。

你可以创建一个画布(通过javascript)并在里面画一条虚线。在画布内，您可以控制多长破折号和之间的空间应该。