<el-date-picker v-model="startTime" type="datetime" @change="dateChangebirthday1" format="yyyy-MM-dd HH:mm:ss" value-format="yyyy-MM-dd HH:mm:ss" placeholder="选择日期时间">
</el-date-picker>
methods: { dateChangebirthday1(val) { var ctx = this; ctx.startTime = val; alert( ctx.startTime); }