el-input-number默认值为空

el-input-number的默认值为空的方法有多种。其中一种方法是将v-model设为null或空字符串。例如，在el-input-number的v-model属性中，将formData的对应字段设为null或''，如下所示：

<el-input-number v-model="formData.idx" :precision="0" :step="1" :min="1" :max="100000"></el-input-number>
<el-input-number v-model="formData.winnersNum" :precision="0" :step="1" :min="1" :max="500"></el-input-number>

data() {
  return {
    formData: {
      idx: null,
      winnersNum: ''
    }
  }
}

另外一种方法是对element input-number的源码进行兼容处理。在这种情况下，当值传入为''时，默认显示为空而非0。具体的解决方法是将v-model设为undefined，如下所示：

data() {
  return {
    formData: {
      idx: undefined,
      winnersNum: undefined
    }
  }
}

以上两种方法都可以实现el-input-number的默认值为空。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [element-ui 的 el-input-number的默认值设置为空](https://blog.csdn.net/HH18700418030/article/details/128466407)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [element input-number 默认值设置为空](https://download.csdn.net/download/qq_34086049/15483108)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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