ckeditor预览样式解析问题解决（重点第三项）及动态加载js方法汇总（二）

其他 2021-04-01 15:12:08 阅读次数: 0

项目场景：

提示：随着开发的深入，发现编辑器用起来确实有需要注意的点开，下面总结了几个建议点：

  1. 预览过程中，标签样式不起作用
  2. 编辑文本的过程中，文本超出换行与预览页面显示不一致
  3. 不支持wps赋值黏贴，仅仅支持个浏览器最高版本
  4. 在支持预览样式的情况下，需要加载ckeditor5.js暴露的问题加载失败。

问题描述及原因分析：：

提示：

  1. 预览过程中，编辑器自带标签样式不起作用，需要进行加载ckeditor5.js，在使用的预览盒子上使用ck-content类，进行样式关联。
  2. 编辑文本的过程中，文本超出换行与预览页面显示不一致。因为全局base.css样式影响了编译后的样式。
  3. 在支持预览样式的情况下，需要加载ckeditor5.js暴露的问题加载失败。
    暴露的问题代码
CKEditorError:ckeditor-duplicated-modules: Some CKEditor 5 modules are duplicated

   ------>原因是因为代码重复度太高了。

如果要在一个页面上加载两个不同的编辑器，则需要确保它们是一起构建的（一次）

解决方案：

提示：

  1. 预览过程中，编辑器自带标签样式不起作用
 //预览区域
   <main>
    <div class="message">
      <div class="centered ck-content">       
      </div>
    </div> 
  </main>
 <script src="../build/ckeditor.js"></script>

  1. 文本超出换行与预览页面显示不一致,处理这个问题要对此文件进行：单独的样式设置。全局的ol li ul li p 标签进行padding，margin，list-style样式会影响解析样式。

  2. 在支持预览样式的情况下，需要加载ckeditor5.js暴露的问题加载失败。
    暴露的问题处理方案有三种：
    网上的两种方案实时效果不太理想
    最好的方案修改一下： 将官网上面的对CKeditor.js解析出来的css 引入将其生成的样式解析即可

 
 /*
 * CKEditor 5 (v26.0.0) content styles.
 * Generated on Wed, 03 Mar 2021 08:21:28 GMT.
 * For more information, check out https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/content-styles.html
 */

:root {
    
    
    --ck-color-mention-background: hsla(341, 100%, 30%, 0.1);
    --ck-color-mention-text: hsl(341, 100%, 30%);
    --ck-highlight-marker-blue: hsl(201, 97%, 72%);
    --ck-highlight-marker-green: hsl(120, 93%, 68%);
    --ck-highlight-marker-pink: hsl(345, 96%, 73%);
    --ck-highlight-marker-yellow: hsl(60, 97%, 73%);
    --ck-highlight-pen-green: hsl(112, 100%, 27%);
    --ck-highlight-pen-red: hsl(0, 85%, 49%);
    --ck-image-style-spacing: 1.5em;
    --ck-todo-list-checkmark-size: 16px;
}

/* ckeditor5-font/theme/fontsize.css */
.ck-content .text-tiny {
    
    
    font-size: .7em;
}
/* ckeditor5-font/theme/fontsize.css */
.ck-content .text-small {
    
    
    font-size: .85em;
}
/* ckeditor5-font/theme/fontsize.css */
.ck-content .text-big {
    
    
    font-size: 1.4em;
}
/* ckeditor5-font/theme/fontsize.css */
.ck-content .text-huge {
    
    
    font-size: 1.8em;
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .marker-yellow {
    
    
    background-color: var(--ck-highlight-marker-yellow);
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .marker-green {
    
    
    background-color: var(--ck-highlight-marker-green);
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .marker-pink {
    
    
    background-color: var(--ck-highlight-marker-pink);
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .marker-blue {
    
    
    background-color: var(--ck-highlight-marker-blue);
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .pen-red {
    
    
    color: var(--ck-highlight-pen-red);
    background-color: transparent;
}
/* ckeditor5-highlight/theme/highlight.css */
.ck-content .pen-green {
    
    
    color: var(--ck-highlight-pen-green);
    background-color: transparent;
}
/* ckeditor5-image/theme/image.css */
.ck-content .image {
    
    
    display: table;
    clear: both;
    text-align: center;
    margin: 1em auto;
}
/* ckeditor5-image/theme/image.css */
.ck-content .image img {
    
    
    display: block;
    margin: 0 auto;
    max-width: 100%;
    min-width: 50px;
}
/* ckeditor5-image/theme/imagecaption.css */
.ck-content .image > figcaption {
    
    
    display: table-caption;
    caption-side: bottom;
    word-break: break-word;
    color: hsl(0, 0%, 20%);
    background-color: hsl(0, 0%, 97%);
    padding: .6em;
    font-size: .75em;
    outline-offset: -1px;
}
/* ckeditor5-image/theme/imageresize.css */
.ck-content .image.image_resized {
    
    
    max-width: 100%;
    display: block;
    box-sizing: border-box;
}
/* ckeditor5-image/theme/imageresize.css */
.ck-content .image.image_resized img {
    
    
    width: 100%;
}
/* ckeditor5-image/theme/imageresize.css */
.ck-content .image.image_resized > figcaption {
    
    
    display: block;
}
/* ckeditor5-horizontal-line/theme/horizontalline.css */
.ck-content hr {
    
    
    margin: 15px 0;
    height: 4px;
    background: hsl(0, 0%, 87%);
    border: 0;
}
/* ckeditor5-image/theme/imagestyle.css */
.ck-content .image-style-side {
    
    
    float: right;
    margin-left: var(--ck-image-style-spacing);
    max-width: 50%;
}
/* ckeditor5-image/theme/imagestyle.css */
.ck-content .image-style-align-left {
    
    
    float: left;
    margin-right: var(--ck-image-style-spacing);
}
/* ckeditor5-image/theme/imagestyle.css */
.ck-content .image-style-align-center {
    
    
    margin-left: auto;
    margin-right: auto;
}
/* ckeditor5-image/theme/imagestyle.css */
.ck-content .image-style-align-right {
    
    
    float: right;
    margin-left: var(--ck-image-style-spacing);
}
/* ckeditor5-block-quote/theme/blockquote.css */
.ck-content blockquote {
    
    
    overflow: hidden;
    padding-right: 1.5em;
    padding-left: 1.5em;
    margin-left: 0;
    margin-right: 0;
    font-style: italic;
    border-left: solid 5px hsl(0, 0%, 80%);
}
/* ckeditor5-block-quote/theme/blockquote.css */
.ck-content[dir="rtl"] blockquote {
    
    
    border-left: 0;
    border-right: solid 5px hsl(0, 0%, 80%);
}
/* ckeditor5-basic-styles/theme/code.css */
.ck-content code {
    
    
    background-color: hsla(0, 0%, 78%, 0.3);
    padding: .15em;
    border-radius: 2px;
}
/* ckeditor5-table/theme/table.css */
.ck-content .table {
    
    
    margin: 1em auto;
    display: table;
}
/* ckeditor5-table/theme/table.css */
.ck-content .table table {
    
    
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
    height: 100%;
    border: 1px double hsl(0, 0%, 70%);
}
/* ckeditor5-table/theme/table.css */
.ck-content .table table td,
.ck-content .table table th {
    
    
    min-width: 2em;
    padding: .4em;
    border: 1px solid hsl(0, 0%, 75%);
}
/* ckeditor5-table/theme/table.css */
.ck-content .table table th {
    
    
    font-weight: bold;
    background: hsla(0, 0%, 0%, 5%);
}
/* ckeditor5-table/theme/table.css */
.ck-content[dir="rtl"] .table th {
    
    
    text-align: right;
}
/* ckeditor5-table/theme/table.css */
.ck-content[dir="ltr"] .table th {
    
    
    text-align: left;
}
/* ckeditor5-page-break/theme/pagebreak.css */
.ck-content .page-break {
    
    
    position: relative;
    clear: both;
    padding: 5px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* ckeditor5-page-break/theme/pagebreak.css */
.ck-content .page-break::after {
    
    
    content: '';
    position: absolute;
    border-bottom: 2px dashed hsl(0, 0%, 77%);
    width: 100%;
}
/* ckeditor5-page-break/theme/pagebreak.css */
.ck-content .page-break__label {
    
    
    position: relative;
    z-index: 1;
    padding: .3em .6em;
    display: block;
    text-transform: uppercase;
    border: 1px solid hsl(0, 0%, 77%);
    border-radius: 2px;
    font-family: Helvetica, Arial, Tahoma, Verdana, Sans-Serif;
    font-size: 0.75em;
    font-weight: bold;
    color: hsl(0, 0%, 20%);
    background: hsl(0, 0%, 100%);
    box-shadow: 2px 2px 1px hsla(0, 0%, 0%, 0.15);
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
/* ckeditor5-media-embed/theme/mediaembed.css */
.ck-content .media {
    
    
    clear: both;
    margin: 1em 0;
    display: block;
    min-width: 15em;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list {
    
    
    list-style: none;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list li {
    
    
    margin-bottom: 5px;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list li .todo-list {
    
    
    margin-top: 5px;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label > input {
    
    
    -webkit-appearance: none;
    display: inline-block;
    position: relative;
    width: var(--ck-todo-list-checkmark-size);
    height: var(--ck-todo-list-checkmark-size);
    vertical-align: middle;
    border: 0;
    left: -25px;
    margin-right: -15px;
    right: 0;
    margin-left: 0;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label > input::before {
    
    
    display: block;
    position: absolute;
    box-sizing: border-box;
    content: '';
    width: 100%;
    height: 100%;
    border: 1px solid hsl(0, 0%, 20%);
    border-radius: 2px;
    transition: 250ms ease-in-out box-shadow, 250ms ease-in-out background, 250ms ease-in-out border;
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label > input::after {
    
    
    display: block;
    position: absolute;
    box-sizing: content-box;
    pointer-events: none;
    content: '';
    left: calc( var(--ck-todo-list-checkmark-size) / 3 );
    top: calc( var(--ck-todo-list-checkmark-size) / 5.3 );
    width: calc( var(--ck-todo-list-checkmark-size) / 5.3 );
    height: calc( var(--ck-todo-list-checkmark-size) / 2.6 );
    border-style: solid;
    border-color: transparent;
    border-width: 0 calc( var(--ck-todo-list-checkmark-size) / 8 ) calc( var(--ck-todo-list-checkmark-size) / 8 ) 0;
    transform: rotate(45deg);
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label > input[checked]::before {
    
    
    background: hsl(126, 64%, 41%);
    border-color: hsl(126, 64%, 41%);
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label > input[checked]::after {
    
    
    border-color: hsl(0, 0%, 100%);
}
/* ckeditor5-list/theme/todolist.css */
.ck-content .todo-list .todo-list__label .todo-list__label__description {
    
    
    vertical-align: middle;
}
/* ckeditor5-html-embed/theme/htmlembed.css */
.ck-content .raw-html-embed {
    
    
    margin: 1em auto;
    min-width: 15em;
    font-style: normal;
}
/* ckeditor5-code-block/theme/codeblock.css */
.ck-content pre {
    
    
    padding: 1em;
    color: hsl(0, 0%, 20.8%);
    background: hsla(0, 0%, 78%, 0.3);
    border: 1px solid hsl(0, 0%, 77%);
    border-radius: 2px;
    text-align: left;
    direction: ltr;
    tab-size: 4;
    white-space: pre-wrap;
    font-style: normal;
    min-width: 200px;
}
/* ckeditor5-code-block/theme/codeblock.css */
.ck-content pre code {
    
    
    background: unset;
    padding: 0;
    border-radius: 0;
}
/* ckeditor5-mention/theme/mention.css */
.ck-content .mention {
    
    
    background: var(--ck-color-mention-background);
    color: var(--ck-color-mention-text);
}
@media print {
    
    
    /* ckeditor5-page-break/theme/pagebreak.css */
    .ck-content .page-break {
    
    
        padding: 0;
    }
    /* ckeditor5-page-break/theme/pagebreak.css */
    .ck-content .page-break::after {
    
    
        display: none;
    }
}
  1. 动态加载js的几种方法

1、直接document.write

<script language="javascript">
     document.write("<script src='test.js'><\/script>");
</script>

2、动态改变已有script的src属性

<script src='' id="s1"></script>
<script language="javascript">
     s1.src="test.js"
</script>

3、 动态创建script元素

<script>
    var oHead = document.getElementsByTagName('HEAD').item(0);
    var oScript= document.createElement("script");
    oScript.type = "text/javascript";
    oScript.src="test.js";
    oHead.appendChild( oScript);
</script>

4、 要动态加载的JS脚本：a.js，以下是该文件的内容。

  <script language="JavaScript">
function LoadJS( id, fileUrl )
{
    
      var scriptTag = document.getElementById( id );
    var oHead = document.getElementsByTagName('HEAD').item(0);
   var oScript= document.createElement("script");
   if ( scriptTag   ) oHead.removeChild( scriptTag   );
     oScript.id = id;
    oScript.type = "text/javascript";
     oScript.src=fileUrl ;
    oHead.appendChild( oScript);
}
LoadJS( "a.js" );
alert( "主页面动态加载a.js并取其中的变量：" + str );
</script>

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