elementui el-upload附件上传--上传之前需要修改文件内容
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 官网案例 el-upload文件上传 问题分析 在文件上传之前需要做一些操作，所以考虑使用手动上传 官网代码粘贴 <el-upload class="upload-demo" ref="upload" action="https://jsonplaceholder.typicode.com/posts/" :on-preview="handlePreview" :on-remove="handleRemove" :file-list="fileList" :auto-upload="false"> <el-button slot="trigger" size="small" type="primary">选取文件</el-button> <el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">上传到服务器</el-button> <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div> </el-upload> <script> export default { data() { return { fileList