获取上传文件格式后缀

<el-upload

                ref="uploadRef"

                class="upload-demo"

                action="action"

                :show-file-list="false"

                :http-request="apkUploadChange"

            >

                <el-button type="primary">上传</el-button>

            </el-upload>
function apkUploadChange(params){

var fileName =params.file.name;

var fileArr = fileName.split('.');

var fileType=fileArr[fileArr.length-1];

}

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转载自blog.csdn.net/weixin_62462734/article/details/129488204