微信小程序选择多个视频上传
//From:www.uzhanbao.com
var chooseImage = (t, count) =>{
wx.chooseImage({
count: count,
sizeType: ['original', 'compressed'],
sourceType: ['album', 'camera'],
success: (res) => {
var imgArr = t.data.upImgArr || [];
let arr = res.tempFiles;
// console.log(res)
arr.map(function(v,i){
v['progress'] = 0;
imgArr.push(v)
})
t.setData({
upImgArr: imgArr
})
let upFilesArr = getPathArr(t);
if (upFilesArr.length > count-1) {
let imgArr = t.data.upImgArr;
let newimgArr = imgArr.slice(0, count)
t.setData({
upFilesBtn: false,
upImgArr: newimgArr
})
}
},
});
}
//主要的代码
var chooseVideo = (t,count) => {
wx.chooseVideo({
sourceType: ['album', 'camera'],
maxDuration: 30,
compressed:true,
camera: 'back',
success: function (res) {
let videoArr = t.data.upVideoArr || [];
let videoInfo = {};
videoInfo['tempFilePath'] = res.tempFilePath;
videoInfo['size'] = res.size;
videoInfo['height'] = res.height;
videoInfo['width'] = res.width;
videoInfo['thumbTempFilePath'] = res.thumbTempFilePath;
videoInfo['progress'] = 0;
videoArr.push(videoInfo)
t.setData({
upVideoArr: videoArr
})
let upFilesArr = getPathArr(t);
if (upFilesArr.length > count - 1) {
t.setData({
upFilesBtn: false,
})
}
// console.log(res)
}
})
}
// 获取 图片数组 和 视频数组 以及合并数组
var getPathArr = t => {
let imgarr = t.data.upImgArr || [];
let upVideoArr = t.data.upVideoArr || [];
let imgPathArr = [];
let videoPathArr = [];
imgarr.map(function (v, i) {
imgPathArr.push(v.path)
})
upVideoArr.map(function (v, i) {
videoPathArr.push(v.tempFilePath)
})
let filesPathsArr = imgPathArr.concat(videoPathArr);
return filesPathsArr;
}
/**
* upFilesFun(this,object)
* object:{
* url ************ 上传路径 (必传)
* filesPathsArr ****** 文件路径数组
* name ****** wx.uploadFile name
* formData ****** 其他上传的参数
* startIndex ****** 开始上传位置 0
* successNumber ****** 成功个数
* failNumber ****** 失败个数
* completeNumber ****** 完成个数
* }
* progress:上传进度
* success：上传完成之后
*/
var upFilesFun = (t, data, progress, success) =>{
let _this = t;
let url = data.url;
let filesPath = data.filesPathsArr ? data.filesPathsArr : getPathArr(t);
let name = data.name || 'file';
let formData = data.formData || {};
let startIndex = data.startIndex ? data.startIndex : 0;
let successNumber = data.successNumber ? data.successNumber : 0;
let failNumber = data.failNumber ? data.failNumber : 0;
if (filesPath.length == 0) {
success([]);
return;
}
const uploadTask = wx.uploadFile({
url: url,
filePath: filesPath[startIndex],
name: name,
formData: formData,
success: function (res) {
var data = res.data
successNumber++;
// console.log('success', successNumber)
// console.log('success',res)
// 把后台返回的地址链接存到一个数组
let uploaded = t.data.uploadedPathArr || [];
var da = JSON.parse(res.data);
// console.log(da)
if (da.code == 1001) {
// ### 此处可能需要修改 以获取图片路径
uploaded.push(da.data)
t.setData({
uploadedPathArr: uploaded
})
}
},
fail: function(res){
failNumber++;
// console.log('fail', filesPath[startIndex])
// console.log('failstartIndex',startIndex)
// console.log('fail', failNumber)
// console.log('fail', res)
},
complete: function(res){
if (startIndex == filesPath.length - 1 ){
// console.log('completeNumber', startIndex)
// console.log('over',res)
let sucPathArr = t.data.uploadedPathArr;
success(sucPathArr);
t.setData({
uploadedPathArr: []
})
console.log('成功：' + successNumber + " 失败：" + failNumber)
}else{
startIndex++;
// console.log(startIndex)
data.startIndex = startIndex;
data.successNumber = successNumber;
data.failNumber = failNumber;
upFilesFun(t, data, progress, success);
}
}
})
uploadTask.onProgressUpdate((res) => {
res['index'] = startIndex;
// console.log(typeof (progress));
if (typeof (progress) == 'function') {
progress(res);
}
// console.log('上传进度', res.progress)
// console.log('已经上传的数据长度', res.totalBytesSent)
// console.log('预期需要上传的数据总长度', res.totalBytesExpectedToSend)
})
}
module.exports = { chooseImage, chooseVideo, upFilesFun, getPathArr}