<el-input></el-input>输入框获取与失去焦点事件

//1.定义focus事,绑定属性 
<el-input 
    v-model="headerInput" 
    @focus="onInputFocus" 　　@blur="onInputBlur":style="thisStyle"> </el-input>

thisStyle:'',//2.获得焦点事件
onInputFocus(){  let self = this;
　self.thisStyle="outline: 0;box-shadow: 0px 0px 10px 0px #ffffff;transition: border ease-in-out 0.15s,box-shadow ease-in-out 0.15s;-moz-transition:border ease-in-out 0.15s,box-shadow ease-in-out 0.15s;-webkit-transition:border ease-in-out 0.15s,box-shadow ease-in-out 0.15s;"
},//3.失去焦点事件
onInputBlur(){  let self = this;  self.thisStyle = "width: 330px;"
},