vue+element

<el-form-item label="權限：" prop="defaultRole">
          <el-select v-model="defaultRole" multiple placeholder="請選擇權限" clearable @change="aaa">
            <el-option label="沒有權限" value="10" :disabled="defaultRole==1" />
            <el-option label="最高權限" value="1" :disabled="defaultRole==10" />
            <el-option label="派車單權限" value="2" :disabled="defaultRole==1||defaultRole==10" />
            <el-option label="裝車單權限" value="3" :disabled="defaultRole==1||defaultRole==10" />
            <el-option label="卸車單權限" value="4" :disabled="defaultRole==1||defaultRole==10" />
            <el-option label="查看發貨歷史權限" value="5" :disabled="defaultRole==1||defaultRole==10" />
            <el-option label="改價權限" value="6" :disabled="defaultRole==1||defaultRole==10" />
          </el-select>
        </el-form-item>
          aaa(v) {
      if (v.indexOf("10") != -1) {
        this.defaultRole = ["10"];
      }
      if (v.indexOf("1") != -1) {
        this.defaultRole = ["1"];
      }
      console.log(this.defaultRole);
    },