只要页面有<pre>标签,引入一个js即可实现代码高亮
代码一(highlight): ie会出现问题 懒得改了 我自己用的代码二 更小 18kb
在页面的底部添加:
<script type="text/javascript" src="/highlight.min_addcss.js"></script>
其中js代码底部添加了一部分代码,可以自己修改喜欢的颜色
添加的代码如下:
//加上这个 就可以直接pre了
hljs.configure({useBR: true});
document.querySelectorAll('pre').forEach((block) => {
hljs.highlightBlock(block);
});
//下面的代码是为了省去css的加载
arr=document.querySelectorAll(".hljs-comment,.hljs-quote");for (i=0; i<arr.length; i++){arr[i].style="color:#008000;";}
arr=document.querySelectorAll(".hljs-variable,.hljs-template-variable,.hljs-attribute,.hljs-tag,.hljs-name,.hljs-regexp,.hljs-link,.hljs-name,.hljs-selector-id,.hljs-selector-class");//
for (i=0; i<arr.length; i++){arr[i].style="color:#008000;";}
arr=document.querySelectorAll(".hljs-meta,.hljs-built_in,.hljs-builtin-name,.hljs-literal,.hljs-type,.hljs-params");for (i=0; i<arr.length; i++){arr[i].style="color:#330af5;";}
arr=document.querySelectorAll(".hljs-string,.hljs-symbol,.hljs-bullet");for (i=0; i<arr.length; i++){arr[i].style="color:#FF00FF;";} //字符串颜色
arr=document.querySelectorAll(".hljs-title,.hljs-section");for (i=0; i<arr.length; i++){arr[i].style="color:#F90000;";} //函数名啥的
arr=document.querySelectorAll(".hljs-keyword,.hljs-selector-tag");for (i=0; i<arr.length; i++){arr[i].style="color:#0000FF";} //关键词 function return if 一类的
arr=document.querySelectorAll(".hljs-emphasis");for (i=0; i<arr.length; i++){arr[i].style="font-style:italic;";}
arr=document.querySelectorAll(".hljs-strong");for (i=0; i<arr.length; i++){arr[i].style="font-weight:bold;";}
arr=document.querySelectorAll(".hljs-number");for (i=0; i<arr.length; i++){arr[i].style="color:#800080;";} //数字
arr=document.querySelectorAll(".hljs");for (i=0; i<arr.length; i++){arr[i].style="text-indent:0;display:block;overflow-x:auto;background:#F5F5F5;color:#a8a19f;padding:10px;tab-size:2;font-size:15px;font-family:Consolas,DejaVu Sans Mono ;margin:10px 0;border:1px solid #D0D0D0;";}完整的js代码下载
代码二(谷歌的prettify改装的) 后面做了ie兼容
!function(){/*
Copyright (C) 2006 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
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cmsarr=document.querySelectorAll("pre.prettyprint");
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cmsarr=document.querySelectorAll(".str");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#ff00ff"}
cmsarr=document.querySelectorAll(".kwd");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#0000FF"}
cmsarr=document.querySelectorAll(".com");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#008000"}
cmsarr=document.querySelectorAll(".typ");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#ff0000"}
cmsarr=document.querySelectorAll(".lit");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#066"}
cmsarr=document.querySelectorAll(".clo,.opn,.pun");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#660"}
cmsarr=document.querySelectorAll(".tag");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#e06c75"}
cmsarr=document.querySelectorAll(".atn");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#d19a66"}
cmsarr=document.querySelectorAll(".atv");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#080"}
cmsarr=document.querySelectorAll(".dec,.var");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#606"}
cmsarr=document.querySelectorAll(".fun");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="red"}
cmsarr=document.querySelectorAll(".pun");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.color="#330000"}
cmsarr=document.querySelectorAll("ol.linenums");for (i=0; i<cmsarr.length; i++){cmsarr[i].style.marginTop="0px";cmsarr[i].style.marginBottom="0px";}
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