<el-form-item label="線路類型：" prop="isGive">
 <el-radio-group v-model="currentLine.isGive">
 <el-radio :label="item.id" :key="item.id" v-for="item in isGive" >{{item.name}}</el-radio>
 </el-radio-group>
 </el-form-item>

 data () {
 return {
 merchantId: 0,
 centerDialogVisible: false,
 lineList: [],
 portOptions: [],
 isGive:[
 {
 id : "n",
 name : "購買"
 },
 {
 id : "y",
 name : "贈送"
 }
 ],

currentLine.isGive