vue 绑定style

1 <label v-for="(item,keyName,index) in ENUM.transportType"  :style="{‘padding-left‘:index==0?‘22px‘:‘‘}">
2 　 <input type="radio" name="transportRadioGroup" :value="item.key">{{keyName}}
3 </label>

<button name="yeWuBtn" class="btn" :class="{‘btn-primary‘:boJob.jobType==item.key}" type="button"
                                        @click="openBusinessLeft(item.key,ENUM.getValue(ENUM.jobType,item.key),index,‘jobType‘+index,$event)">{{ENUM.getValue(ENUM.jobType,item.key)}}</button>