<el-input v-model.trim="row.length" type="number" min="0" placeholder=""></el-input>
// 如何去掉el-input-number两侧的上下按键
::v-deep input::-webkit-outer-spin-button,
::v-deep input::-webkit-inner-spin-button {
-webkit-appearance: none;
}
::v-deep input[type='number'] {
-moz-appearance: textfield;
}
::v-deep inpit {
border: none;
}