element 根据条件加必填验证

<el-form-item label="所属项目：" prop="projectId"

:required="!dlgoptionprojectDisabled"

class="nomarbottom">

<el-select

class="filter-item"

v-model="dlglistQuery.projectId"

placeholder="请选择所属项目"

@change="dlgchangechannelProject"

>

<el-option

v-for="item in channelProjectOptions"

:disabled="dlgoptionprojectDisabled"

:key="item.id"

:label="item.projectName"

:value="item.id"

></el-option>

</el-select>

</el-form-item>