10.2.6.是否必填

更新时间：2021-05-01 22:00:46 作者：米拓建站

进入留言系统管理页面→留言表单设置，添加和编辑表单字段时，可设置字段是否必填，如图10-2-14。

图片关键词

图10-2-14

必填字段，留言者在提交留言表单时，系统会自动检测输入框是否填写了内容，无内容则会提示“不能为空”，从而阻止提交留言，如图10-2-15。

图片关键词

图10-2-15

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