el-upload自定义上传文件显示自定义进度条

要在el-upload组件中自定义上传文件的进度条显示，需要使用自定义上传的方式。具体步骤如下：

1. 使用自定义上传的方式，可以通过覆盖默认的上传行为来实现。这样可以确保on-progress事件生效。
引用<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [el-upload自定义上传文件显示进度条](https://blog.csdn.net/weixin_43363871/article/details/126769620)[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^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [elementUI el-upload自定义上传文件，不用action属性](https://blog.csdn.net/Da_Xiong000/article/details/125907055)[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^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [vue-cli3.0+element-ui上传组件el-upload的使用](https://download.csdn.net/download/weixin_38725015/13200387)[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^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
[ .reference_list ]