<div class="layui-form-item">
<label class="layui-form-label"><span class="red-c">*</span>行为概述:</label>
<div class="layui-input-block">
<textarea id="xwgs" lay-verify="required" style="width: 775px;"
placeholder="请输入行为概述" autocomplete="off" class="layui-textarea">${(listOrg.xwgs)! }</textarea>
</div>
</div>
最狠的就是#xwgs{ width:775px !important }
<textarea id="xwgs" lay-verify="required" style="width:300px;height:250px"
placeholder="请输入行为概述" autocomplete="off" class="layui-textarea">${(listOrg.xwgs)! }</textarea>
https://www.layui.com/v1/doc/modules/layedit.html
看下这个,初始化组件的时候给定高度就可以,宽是自适应的