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今天介绍一个开源好用的Web所见即所得(WYSIWYG)编辑器： Editor.js

Editor.js 是一个基于 Web 的所见即所得富文本编辑器，它由CodeX团队开发。源代码托管于Github：https://github.com/codex-team/editor.js

特点

它有两个显著的特点，一个是基于区块（block-styled）的编辑模式，另一个是可以输出干净的数据。

基于区块

基于区块官网是这样解释的：

Editor.js工作区由单独的区块组成：段落、标题、图像、列表、引号等。它们中的每一个都是由 Plugin 提供的独立元素（或更复杂的结构）并由 Editor’s Core 连结。

干净的数据

Editor.js 输出干净的json数据而不是 HTML 标记，虽然对浏览器来说，HTML 是更直观的，但对服务器来说，json更精简更关注内容本身，易于重复使用，存储和传输。

对于控件本身也更易于实现，比如在文本“加粗”和“常规”来回切换，基于json的更改一个属性，总要比基于HTML反复添加和删除标记更简单吧？

界面与交互

在编辑区域，Editor.js提供了区块工具栏(Block Tools)，内联工具栏(Inline Tools)和区块编辑栏(Block Tunes)

他们分别通过 加号 + 按钮，选中区块内容和菜单（六个点和尚按钮）来访问🤓

插件

每个区块都通过插件提供支持，官方提供了常用的插件，当然也可以自己写插件。

官方提供的插件如下图，在sample中，都以cdn方式引入了这些插件，也可以通过npm安装。

标题和文本

序列化后的数据如下图所示，

{"id" : "zcKCF1S7X8","type" : "header","data" : {"text" : "Editor.js","level" : 1}
},
{"id" : "b6ji-DvaKb","type" : "paragraph","data" : {"text" : "支持文本，标题，列表，代办，表格，图片，链接，代码片段，引用片段等等"}
},

{"id" : "SSBSguGvP7","type" : "list","data" : {"style" : "ordered","items" : [{"content" : "支持普通文本，<i>斜体文本</i>，<b>加粗</b>","items" : []},{"content" : "支持<mark class=\"cdx-marker\">文本高亮</mark>、<a href=\"https://baidu.com\">文本链接</a>、<code class=\"inline-code\">代码片段</code><mark class=\"cdx-marker\"></mark>","items" : []}]}
},

图片

图片支持Base64编码，和url两种方式上传图片

{"id" : "VYsWoLL7yj","type" : "image","data" : {"url" : "data:image/png;base64, ...","caption" : "codex2x.png","withBorder" : false,"withBackground" : false,"stretched" : false}
}

列表

支持有序和无序列表，列表支持嵌套

无序列表：

{"id" : "i_cVQxn3Tb","type" : "list","data" : {"style" : "unordered","items" : [{"content" : " 香蕉🍌","items" : []},{"content" : " 苹果🍎","items" : []},{"content" : " 葡萄🍇  ","items" : []}]}},

有序列表：

        {"id" : "nOTdryosj2","type" : "list","data" : {"style" : "ordered","items" : [{"content" : "洗手心","items" : []},{"content" : "搓手背","items" : []},{"content" : "洗指缝","items" : []}]}},

嵌套列表：

        {"id" : "LJjzlmGa-3","type" : "list","data" : {"style" : "unordered","items" : [{"content" : "序章","items" : []},{"content" : "第一章","items" : [{"content" : "第一节","items" : [{"content" : "a)","items" : []},{"content" : "b)","items" : []},{"content" : "c)","items" : []}]},{"content" : "第二节","items" : []}]}]}},

Todo

{"id" : "Hitrs4RqXw","type" : "checklist","data" : {"items" : [{"text" : "满意😊","checked" : true},{"text" : "一般😐","checked" : false},{"text" : "不满意☹️","checked" : false}]}},

表格

不代表头：

{"id" : "xPAQ6AkUiK","type" : "paragraph","data" : {"text" : "<b>不带表头</b>"}
},
{"id" : "_MMoOqlgXs","type" : "table","data" : {"withHeadings" : false,"content" : [["<b>重要紧急</b>","<b>重要不紧急</b>"],["吃饭睡觉","订生日蛋糕"],["<b>不重要但紧急</b>","<b>不重要不紧急</b>"],["上班前定好闹钟","总结这一周的工作"]]}
},

带表头：

{"id" : "fvfQSljMK8","type" : "table","data" : {"withHeadings" : true,"content" : [["星期一","星期二","星期三","星期四","星期五"],["a","b","c","d","e"]]}
},

使用

安装

页面中引用Editor.js Core库，可通过npm安装。也可以编译项目，然后引入编译后的js文件。

yarn add @editorjs/editorjs

或

<script src="lib/editorjs/editorjs.umd.js"></script>

创建编辑器实例

在页面创建编辑器

import EditorJS from '@editorjs/editorjs';const editor = new EditorJS({/*** Id of Element that should contain Editor instance*/holder: 'editorjs'
});

这是一个最小化的示例。你会发现没有那些默认的工具。因此需要在配置中指定工具。

配置工具

可以通过传入配置对象创建编辑器实例。以下是示例

holder指定编辑器的容器元素。

window.editor = new window.EditorJS({/*** Wrapper of Editor*/holder: 'editorjs',

配置工具

配置完成后，区块工具栏将呈现一个较为完整的工具列表。

    /*** Tools list*/tools: {paragraph: {config: {placeholder: "Enter something"}},header: {class: Header,inlineToolbar: ['link'],config: {placeholder: 'Header'},shortcut: 'CMD+SHIFT+H'},/*** Or pass class directly without any configuration*/image: ImageTool,list: {class: NestedList,inlineToolbar: true,shortcut: 'CMD+SHIFT+L'},checklist: {class: Checklist,inlineToolbar: true,},quote: {class: Quote,inlineToolbar: true,config: {quotePlaceholder: 'Enter a quote',captionPlaceholder: 'Quote\'s author',},shortcut: 'CMD+SHIFT+O'},marker: {class: Marker,shortcut: 'CMD+SHIFT+M'},code: {class: CodeTool,shortcut: 'CMD+SHIFT+C'},delimiter: Delimiter,inlineCode: {class: InlineCode,shortcut: 'CMD+SHIFT+C'},linkTool: LinkTool,embed: Embed,table: {class: Table,inlineToolbar: true,shortcut: 'CMD+ALT+T'},},/*** Initial Editor data*/data: obj,onReady: function () {saveButton.click();},
});

本地化

可以通过传入i18n配置对象来设置编辑器的本地化。以下是一个较为完整的中文化示例：

i18n: {messages: {"ui": {"blockTunes": {"toggler": {"Click to tune": "点击转换","or drag to move": "拖动调整"},},"inlineToolbar": {"converter": {"Convert to": "转换成"}},"toolbar": {"toolbox": {"Add": "添加","Filter": "过滤","Nothing found": "无内容"},"popover": {"Filter": "过滤","Nothing found": "无内容"}}},"toolNames": {"Text": "段落","Heading": "标题","List": "列表","Warning": "警告","Checklist": "清单","Quote": "引用","Code": "代码","Delimiter": "分割线","Raw HTML": "HTML片段","Table": "表格","Link": "链接","Marker": "突出显示","Bold": "加粗","Italic": "倾斜","InlineCode": "代码片段","Image": "图片"},"tools": {"link": {"Add a link": "添加链接"},"stub": {'The block can not be displayed correctly.': '该模块不能放置在这里'},"image": {"Caption": "图片说明","Select an Image": "选择图片","With border": "添加边框","Stretch image": "拉伸图像","With background": "添加背景",},"code": {"Enter a code": "输入代码",},"linkTool": {"Link": "请输入链接地址","Couldn't fetch the link data": "获取链接数据失败","Couldn't get this link data, try the other one": "该链接不能访问，请修改","Wrong response format from the server": "错误响应",},"header": {"Header": "标题","Heading 2": "二级标题","Heading 3": "三级标题","Heading 4": "四级标题","Heading 5": "五级标题",},"paragraph": {"Enter something": "请输入笔记内容",},"list": {"Ordered": "有序列表","Unordered": "无序列表",},"table": {"Heading": "标题","Add column to left": "在左侧插入列","Add column to right": "在右侧插入列","Delete column": "删除列","Add row above": "在上方插入行","Add row below": "在下方插入行","Delete row": "删除行","With headings": "有标题","Without headings": "无标题",},"quote": {"Align Left": "左对齐","Align Center": "居中对齐",}},"blockTunes": {"delete": {"Delete": "删除",'Click to delete': "点击删除"},"moveUp": {"Move up": "向上移"},"moveDown": {"Move down": "向下移"},"filter": {"Filter": "过滤"}},}
}

自定义样式

varaiables.css中包含了大部分的样式变量，更改这些变量可以实现自定义样式。

如通过重写 .root样式选择器可以实现自定义的背景色, 重写.ce-popover 改变弹出框样式等。

:root {--color-bg-main: #F0F0F0;--color-border-light: #E8E8EB;--color-text-main: #000;--selectionColor: #e1f2ff;
}.ce-popover {--border-radius: 6px;--width: 200px;--max-height: 270px;--padding: 6px;--offset-from-target: 8px;--color-border: #e8e8eb;--color-shadow: rgba(13,20,33,0.13);--color-background: white;--color-text-primary: black;--color-text-secondary: #707684;--color-border-icon: rgb(201 201 204 / 48%);--color-border-icon-disabled: #EFF0F1;--color-text-icon-active: #388AE5;--color-background-icon-active: rgba(56, 138, 229, 0.1);--color-background-item-focus: rgba(34, 186, 255, 0.08);--color-shadow-item-focus: rgba(7, 161, 227, 0.08);--color-background-item-hover: #eff2f5;--color-background-item-confirm: #E24A4A;--color-background-item-confirm-hover: #CE4343;
}
.dark-mode {--color-border-light: rgba(255, 255, 255,.08);--color-bg-main: #1c1e24;--color-text-main: #737886;
}

– 完 –