【UNIAPP】上传视频，进度条的前台与后端

#  UNIAPP 页面


<template>
    <view>


        <!-- 选择框 -->
        <view style="display: flex;flex-direction: row;justify-content: center;margin-top: 40px;" @click="select">
            <u-circle-progress active-color="#2979ff" percent="100" duration="100">

                <view class="u-progress-content">
                    <image src="@/static/up.png" style=" 40px;height: 40px;"></image>
                </view>

            </u-circle-progress>
        </view>

        <!-- 进度条 -->
        <view class="uni-padding-wrap uni-common-mt" style="margin-top: 30px;" >
            <view class="progress-box">
                
                <progress  :percent="percent" stroke-width="20" show-info border-radius="20"  />
                
            </view>
        </view>

        <!-- 表单 -->
        <view style="margin-top: 40px;">
            <view class="cu-form-group">
                <view class="title">视频标题</view>
                <input placeholder="请输入标题" name="input" v-model="title"></input>
                <text class='cuIcon-title text-orange' style="font-size: 25px;"></text>
            </view>



            <view class="cu-form-group margin-top">
                <view class="title">视频分类</view>
                <picker @change="PickerChange" :value="index" :range="picker">
                    <view class="picker">
                        {{index>-1?picker[index]:'请选择分类'}}
                    </view>
                </picker>
            </view>


        </view>



        <!-- 下单按钮 -->
        <view class="padding flex flex-direction" style="margin-top: 20px;">
            <button class="cu-btn bg-blue margin-tb-sm lg" @click="release_task">发布</button>
        </view>


        <!-- 提醒 -->
        <view>
            <u-toast ref="uToast" />
        </view>

        <!-- 上传成功 -->



    </view>
</template>

<script>
    /* 导入 */
    import config from "@/common/config.js";

    var _self;
    export default {
        data() {
            return {
                /* 上传LOGO */
                src: "/static/up.png",
                /* 视频文件 */
                file: "",

                title: "",

                /* 进度条 */
                percent: 0,
                jianjian: 0,
                loading: false,
                disabled: false,

                picker: ['音乐', '生活', '影视', '舞蹈', '游戏', '美食', ],
                index: -1,
            }
        },
        computed: {

        },
        onLoad() {

        },
        methods: {
            /* 提示 */
            uToast() {

                uni.showModal({
                    title: '消息提示',
                    content: '上传成功',
                    showCancel: false,
                    confirmText: "我知道了",
                    success: function(res) {

                    }
                });
            },


            /* 选择视频 */
            select() {
                _self = this;
                uni.chooseVideo({
                    count: 1,
                    maxDuration: 60,
                    sourceType: ['camera', 'album'], //从选择

                    success: function(res) {
                        // 临时文件
                        _self.src = res.tempFilePath
                    },
                    error: function(e) {
                        console.log(e);
                    }
                });
            },



            /* 品牌选择 */
            PickerChange(e) {
                this.index = e.detail.value
            },



            /* 上传 */
            release_task() {

                _self = this;
                // const tempFilePaths = res.tempFilePaths;
                const uploadTask = uni.uploadFile({
                    // url: 'https://demo.hcoder.net/index.php?c=uperTest',
                    url: config.ipConfig + '/api/upload/video',

                    filePath: _self.src,
                    name: 'file',
                    formData: {
                        'username_id': 1
                    },


                    success: function(uploadFileRes) {
                        _self.uToast()


                    }
                });

                uploadTask.onProgressUpdate(function(res) {
                    _self.percent = res.progress;
                });


            }
        },
    }
</script>

<style lang="scss" scoped>
    .u-progress-content {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .u-progress-dot {
         16rpx;
        height: 16rpx;
        border-radius: 50%;
        background-color: #fb9126;
    }

    .u-progress-info {
        font-size: 28rpx;
        padding-left: 16rpx;
        letter-spacing: 2rpx
    }
</style>

后端部分：
# upload_files.py 储存文件

"""
    上传文件　　UploadFiles（用户名,功能名，图片对象,编号ID）
"""

import traceback
import os

from utils import datamd5
# 获取相对路径
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))



def UploadVideo(username,function,files):

    try:

        # 上传路径
        dir_path = BASE_DIR + "/media/{}/{}/".format(function,username)

        # 后缀名
        head_suffix = files.name.split(".")[1]

        # 如果没有这个路径就创建
        if not os.path.exists(dir_path):
            os.makedirs(dir_path)
        path=''

        # 为了避免覆盖　对名字进行加密
        file_name = datamd5.md5(files.name) + "." + head_suffix

        with open(dir_path + file_name, 'wb') as dest:
            # 获取路径 这里少了个media
            path = path + '/{}/{}/'.format(function,username) + file_name

            for chunk in files.chunks():
                dest.write(chunk)

        return True,path

    except:

        # print(traceback.format_exc())
        return False,None






# 上传记录与数据库储存

# -*- coding: UTF-8 -*-
import os
import traceback

from rest_framework.views import APIView
from database import models
from django.http import JsonResponse
import datetime
import time
from utils import upload_files


BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

class ReleaseVideo(APIView):

    def post(self,request):

        message = {}

        try:

            # 对象
            file_obj = request.FILES.get('file', None)

            username_id = request.data.get("username_id")

            title = request.data.get("title")

            style = int(request.data.get("style")) + 1

            function = 'upload_video'

            # 上传函数执行
            status,path = upload_files.UploadVideo(username_id, function, file_obj)

            if status == False:
                message["code"] = 10041
                message["message"] = "上传失败"
                return JsonResponse(message)


            # 数据库操作
            obj = models.List.objects.create(title=title,user_id=username_id,price=0,style_id=style)
            models.ListDetail.objects.create(list_id=obj.pk,address=path)

            message["code"] = 200
            message["message"] = "发布成功"
            return JsonResponse(message)

        except:
            print(traceback.format_exc())

            message["code"] = 10044
            message["message"] = "发布失败"
            return JsonResponse(message)