<el-submenu index="1"> <template slot="title"><i class="el-icon-message"></i>在校班级</template> <el-menu-item-group v-for="group in onstudyclasses"> <template slot="title">{{group.title}}</template> <template v-for="c in group.classes"> <el-submenu :index="group.id+'-'+c.id" > <template slot="title">{{c.title}}</template> <el-menu-item v-for="student in c.students" :index="c.id+'-'+student.id" @click.native.prevent="clkStudent(student.id)">{{student.name}}</el-menu-item> </el-submenu> </template> </el-menu-item-group> </el-submenu>
题主您好，请问这个问题解决了吗？我也碰到了相同的问题。
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