## 文檔編輯 > 圖片示例：  > 配置項 | key | 類型 | 是否必須 | 說明 | | --- | --- | --- | --- | | type | string | 是 | 固定值：`markdown` | | 通用配置... | | mode | string | 否 | 模式，可選值：editormd(默認) | | mode_config | array | 否 | 模式的配置 | | readonly | bool | 否 | 只讀，默認false | > 配置項 mode_config | key | 類型 | 是否必須 | 說明 | | --- | --- | --- | --- | | editormd | int | 否 | 模式editormd的配置 | | editormd.height | int | 否 | 高度，默認:250 | | editormd.watch | bool | 否 | 實時預覽開啟，默認:false | | editormd.placeholder | string | 否 | 占位符，默認:此處開始編寫... | | editormd.image_formats | array | 否 | 圖片上傳允許格式，書寫格式:["jpg","png"]。默認為文件配置的 upload_img_ext 值。該值不能超過配置值的范圍。 | | editormd.toolbar | array | 否 | 工具欄 | > 配置項 mode_config.editormd.toolbar 默認值： ~~~ [ "undo", "redo", "|", "bold", "del", "italic", "quote", "|" ,"h1", "h2", "h3", "h4", "|","list-ul", "list-ol", "hr", "|" ,"align-left","align-center","align-right","align-justify", "|" ,"table", "datetime", "html-entities", "pagebreak", "code", "code-block","|" ,"link", "reference-link", "image", "video", "|" ,"watch", "preview", "fullscreen", "clear","search","|","help" ] ~~~ 說明： | code | 描述 | | --- | --- | | `|` | 分隔符 | | undo | 撤銷 | | redo | 重做 | | bold | 粗體 | | del | 刪除線 | | italic | 斜體 | | quote | 引用 | | h1 | 標題1 | | h2 | 標題2 | | h3 | 標題3 | | h4 | 標題4 | | list-ul | 無序列表 | | list-ol | 有序列表 | | hr | 橫線 | | align-left | 左對齊 | | align-center | 居中對齊 | | align-right | 右對齊 | | align-justify | 兩端對齊 | | table | 添加表格 | | datetime | 時間日期 | | html-entities | HTML實體字符| | pagebreak | 插入分頁符 | | code | 行內代碼 | | code-block | 代碼塊 | | link | 鏈接 | | reference-link | 引用鏈接 | | image | 添加圖片 | | video | 插入視頻 | | watch | 實時預覽 | | preview | 全窗口預覽 | | fullscreen | 全屏 | | clear | 清空 | | search | 搜索 | | help | 使用幫助 | > 字段值 返回Markdown內容。 > 代碼示例： ~~~ $builder=YF('general_example')->tab([ 'base'=>'基礎']) ->field(function($tab){ $field=[ 'markdown_test'=>[ 'title'=>'文檔編輯', 'type'=>'markdown', // 以下示例參數非必須 "mode"=>"editormd", "mode_config"=>[ "editormd"=>[ "height"=>250, "watch"=>false, "placeholder"=>"此處開始編寫...", "image_formats"=>["jpg","png"], "toolbar"=>["undo", "redo", "|", "bold", "del", "italic", "quote", ...] ] ], ], ]; return $field; }) ~~~