vue+flask实现视频合成功能(拖拽上传)

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let files = this.fileList;
let formd = new FormData();
let i = 1;

//添加上传列表
files.forEach(item => {
	formd.append(i + "", item, item.name)
	i++;
})
formd.append("type", i)
let config = {
	headers: {
		"Content-Type": "multipart/form-data"
	}
}

//上传文件请求
axios.post("/qwe", formd, config).then(res => {
	console.log(res.data)
})

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@app.route("/file",methods=['POST'])
def test():

 #获取文件
 files = request.files
 #合成队列
 videoL = []
 #随机字符串
 dirs = sjs()
 #生成文件夹
 os.mkdir(dirs)
 #保存文件并添加至合成队列
 for file in files.values():
  print(file)
  dst = dirs + "/" + file.name + ".mp4"
  file.save(dst)
  video = VideoFileClip(dirs + "/" + file.name + ".mp4")
  videoL.append(video)
 
 #拼接视频
 final = concatenate_videoclips(videoL)
 #文件路径
 fileName = dirs + "/" +"{}.mp4".format(sjs())
 #生成视频
 final.to_videofile(fileName)
 
 #销毁文件夹
 def sc():
  shutil.rmtree(dirs)
 
 #30秒后销毁文件夹
 timer = threading.Timer(30, sc)
 timer.start()

 # 返回文件路径
 return fileName

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app.route("/getvoi",methods=['GET'])
def getImg():
 #获取文件名
 ss = request.args['name']
 #文件加至返回响应
 response = make_response(
  send_file(ss))

 #删除文件
 def sc():
  os.remove(ss)
 
 #30秒后删除文件
 timer = threading.Timer(30, sc)
 timer.start()
 
 return response

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<a s :href="herfs" rel="external nofollow" rel="external nofollow" :download="fileName">下载</a>

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import random
import hashlib
def sjs():
 a = random.randint(0, 100)
 a = "a" + str(a);
 b = random.randint(100, 10000);
 b = "b" + str(b);
 c = hashlib.md5(a.encode(encoding='UTF-8')).hexdigest() + hashlib.md5(b.encode(encoding='UTF-8')).hexdigest();
 c = "c" + str(c);
 d = random.randint(10, 100);
 d = "d" + str(d);
 e = hashlib.md5(c.encode(encoding='UTF-8')).hexdigest() + hashlib.md5(d.encode(encoding='UTF-8')).hexdigest();
 e = hashlib.md5(e.encode(encoding='UTF-8')).hexdigest()
 return e;

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from flask import Flask,request,send_file,make_response
import os,json,threading,shutil
from moviepy.editor import *
from md5random import sjs

app = Flask(__name__)

@app.route("/file",methods=['POST'])
def test():

 #获取文件
 files = request.files
 #合成队列
 videoL = []
 #随机字符串
 dirs = sjs()
 #生成文件夹
 os.mkdir(dirs)
 #保存文件并添加至合成队列
 for file in files.values():
  print(file)
  dst = dirs + "/" + file.name + ".mp4"
  file.save(dst)
  video = VideoFileClip(dirs + "/" + file.name + ".mp4")
  videoL.append(video)

 #拼接视频
 final = concatenate_videoclips(videoL)
 #文件路径
 fileName = dirs + "/" +"{}.mp4".format(sjs())
 #生成视频
 final.to_videofile(fileName)

 #销毁文件夹
 def sc():
  shutil.rmtree(dirs)

 #30秒后销毁文件夹
 timer = threading.Timer(30, sc)
 timer.start()

 # 返回文件路径
 return fileName


@app.route("/getvoi",methods=['GET'])
def getImg():
 #获取文件名
 ss = request.args['name']
 #文件加至返回响应
 response = make_response(
  send_file(ss))

 #删除文件
 def sc():
  os.remove(ss)

 #30秒后删除文件
 timer = threading.Timer(30, sc)
 timer.start()

 return response

if __name__ == '__main__':
 app.run(host='0.0.0.0',port=8087)

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<template>
 <div>
 <div
  v-on:dragover="tts"
  v-on:drop="ttrs"
  style="width: 800px;height: 200px;border: 1px solid black;font-size: 40px;line-height: 200px"
 >
  {{ dt }}
 </div>
 <div
  v-for="(item, index) in fileList"
  :key="index"
  style="width: 800px;height: 200px;border: 1px solid black;font-size: 40px;position: relative;top:10px"
 >
  <p
  style="font-size: 20px;float: left;position: relative;left: 20pxword-wrap:break-word;word-break:normal;"
  >
  {{ item.name }}
  </p>
  <h5 style="float:right;position: absolute;top: 80px;right: 20px">
  {{ item.type }}
  </h5>
  <h6 style="position: absolute;top: 80px;float: left;left: 20px">
  {{ item.size | sizeType }}
  </h6>
  <button style="float: right" @click="del(index)">删除</button>
 </div>
 <!-- 此处为展示最后一个上传的文件 -->
<!-- <div style="position:relative;top: 100px">-->
<!--  <img v-if="isImage" :src="srcs" style="width: 800px" />-->
<!--  <video v-if="isVideo" controls :src="srcs" style="width: 800px"></video>-->
<!--  <audio v-if="isAudio" controls :src="srcs" style="width: 800px"></audio>-->
<!-- </div>-->

 <el-button style="position: relative;top: 50px" type="success" @click="ups()" :disabled="!isCan">合成</el-button>
 <el-button style="position: relative;top: 50px" v-loading="loading" type="success" >。。。</el-button>
 <a style="position: relative;top: 50px;left: 15px;" type="success" :href="herfs" rel="external nofollow" rel="external nofollow" :download="fileName"><el-button :disabled="isCans"><span style="color: black">下载</span></el-button></a>
 <div style="position: relative;top: 100px">文件下载有效时间{{times}}s</div>
 </div>
</template>

<script>
import axios from "axios";

export default {
 name: "trs",
 data() {
 return {
  dt: "",//上传提醒 "拖动到此处上传文件“或者"上传完成，可继续上传"
  fileList: [],//文件列表
  loading:false,
  srcs: "",//图片/视频/音频 base64
  isImage: false,//是否是图片
  isAudio: false,//是否是音频
  isVideo: false,//是否是视频
  isCan: true,//是否能合成
  isCans:true,//是否能下载
  herfs: "",//下载地址
  fileName: "",//文件名
  times: 25//下载有效时间
 };
 },
 filters: {
 //格式化文件大小
 sizeType(val) {
  let kbs = val / 1024;
  let mbs = 0;
  let gbs = 0;
  if (kbs >= 1024) {
  mbs = kbs / 1024;
  }
  if (mbs >= 1024) {
  gbs = mbs / 1024;
  return gbs.toFixed(2) + "GB";
  } else if (mbs >= 1) {
  return mbs.toFixed(2) + "MB";
  } else {
  return kbs.toFixed(2) + "KB";
  }
 }
 },
 mounted() {
 let vm = this;
 window.addEventListener("dragdrop", this.testfunc, false);

 //全局监听 当页面内有文件拖动 提醒拖动到此处
 document.addEventListener("dragover", function() {
  console.log(111);
  vm.dt = "拖动到此处上传文件";
  console.log(vm.dt);
 });
 },
 methods: {
 //展示文件 主要为三个类型 图片/视频/音频
 readFile(file) {
  let vm = this;
  let reader = new FileReader();
  reader.readAsDataURL(file);
  reader.onload = function() {
  let type = file.type.substr(0, 5);
  if (type == "image") {
   vm.isImage = true;
   vm.isAudio = false;
   vm.isVideo = false;
  } else if (type == "audio") {
   vm.isImage = false;
   vm.isAudio = true;
   vm.isVideo = false;
  } else if (type == "video") {
   vm.isImage = false;
   vm.isAudio = false;
   vm.isVideo = true;
  } else {
   alert("不是图片/视频/音频");
  }
  vm.srcs = reader.result;
  // this.$nextTick(()=>{
  //
  // })
  };
 },
 //全局监听drop的触发事件 取消drop弹窗显示资源
 testfunc(event) {
  alert("dragdrop!");

  //取消drop弹窗显示资源
  event.stopPropagation();
  event.preventDefault();
 },
 del(index) {
  this.fileList.splice(index, 1);
  if (this.fileList.length === 0) {
  this.dt = "";
  }
 },
 //监听div上传框 当有文件拖动时 显示"拖动到此处上传文件"
 tts(e) {
  console.log(e);
  this.dt = "拖动到此处上传文件";
 },
 //监听div上传框 drop事件触发
 ttrs(e) {
  console.log(e);
  console.log(e.dataTransfer.files);

  //获取文件
  let datas = e.dataTransfer.files;

  //取消drop弹窗显示资源
  e.stopPropagation();
  e.preventDefault();
  datas.forEach(item => {
  if(item.type=="video/mp4"){
   this.fileList.push(item);
  }
  });

  //读取文件 如果不想展示图片/视频/音频可忽略
  this.readFile(this.fileList[this.fileList.length - 1]);



  this.dt = "上传完成，可继续上传";
 },

 //上传文件到服务器
 ups(){
  if(this.fileList.length==0){
  this.$message('文件列表为空');
  return ;
  }
  this.loading = true;
  this.isCan = false;
  this.isCans = true;
  let files = this.fileList;
  let formd = new FormData();
  let i = 1;

  //添加上传列表
  files.forEach(item=>{
  formd.append(i+"",item,item.name)
  i++;
  })
  formd.append("type",i)
  let config={
  headers:{"Content-Type":"multipart/form-data"}
  }

  //上传文件请求
  axios.post("/qwe",formd,config).then(res=>{
  console.log(res.data)
  this.loading = false
  //合成下载路径
  this.herfs = "/voi?name="+res.data

  this.fileName = res.data.split('/')[1]
  //禁止合成
  this.isCan = false

  this.isCans = false

  //设置下载有效时间 时间到后无法下载但可以继续合成
  let timer = setInterval(()=>{
   this.times--;
  },1000)
  this.setCans(timer)
  })
 },
 setCans(timer){
  setTimeout(()=>{
  this.isCans = true
  this.isCan = true
  this.fileName =""
  clearInterval(timer)
  this.times = 25
  },25000)
 }
 }
};
</script>

<style scoped></style>

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module.exports = {
 devServer: {
 // assetsSubDirectory: 'static',
 // assetsPublicPath: '/',
 proxy: {
  "/qwe": {
  target: "http://127.0.0.1:8087/file",
  changeOrigin: true,
  pathRewrite: {
   "^/qwe": ""
  }
  },
  "/voi": {
  target: "http://127.0.0.1:8087/getvoi",
  changeOrigin: true,
  pathRewrite: {
   "^/voi": ""
  }
  }
 }
 }
};