小程序实现上传视频功能

// miniprogram/pages/message/messageForm/messageForm.js
Page({
 /**
 * 页面的初始数据
 */
 data: {
 webServer: 'https://xxxx.xxx.com',
 src: '',
 webviewshow: 'hide',
 webviewurl: '',
 gid: "",
 uid: '',
 duration: '',
 height: '',
 size: '',
 width: '',
 ThumbPath: false,
 videoshow: 'hide'
 },
 /**
 * 生命周期函数--监听页面加载
 */
 onLoad: function (options) {
 this.setData({
 gid: options.gid,
 uid: options.uid
 })
 },
 chooseVideo: function () {
 var that = this
 wx.chooseVideo({
 success: function (res) {
 that.setData({
 src: res.tempFilePath,
 })
 }
 })
 },
 getLocalVideo: function () {
 var that = this;
 var session_key = wx.getStorageSync('session_key');
 wx.chooseVideo({
 maxDuration: 10,
 success: function (res1) {
 // 这个就是最终拍摄视频的临时路径了
 that.setData({
 src: res1.tempFilePath,
 duration: res1.duration,
 height: res1.height,
 size: res1.size,
 width: res1.width,
 videoshow: 'thumb'
 })
 wx.showToast({
 title: '选择成功',
 icon: 'succes',
 duration: 2000,
 mask: true
 })
 },
 fail: function () {
 console.error("获取本地视频时出错");
 }
 })
 },
 uploadvideo: function () {
 var that = this;
 wx.showLoading({
 title: '上传中',
 })
 var src = this.data.src;
 if (src) {
 that.setData({
 ThumbPath: true
 })
 }
 wx.uploadFile({
 url: that.data.webServer + 'xxxxxx',//服务器接
 formData: {
 'uid': that.data.uid,
 'gid': that.data.gid,
 'duration': that.data.duration,
 'height': that.data.height,
 'size': that.data.size,
 'width': that.data.width
 },
 method: 'POST',//这句话好像可以不用
 filePath: src,
 header: {
 'content-type': 'multipart/form-data'
 },
 name: 'files',//服务器定义的Key值
 success: function (e) {
 wx.hideLoading();
 if (typeof e.data != 'object') {
 e.data = e.data.replace(/\ufeff/g, "");//重点
 var data = JSON.parse(e.data);
 if (data.status == 1) {
 wx.showToast({
 title: '上传成功',
 icon: 'succes',
 duration: 1000,
 mask: true
 })
 setTimeout(function () {
 that.backHtml();
 }, 1000)
 } else if (data.status == 2) {
 wx.showToast({
 title: '文件过大',
 icon: 'succes',
 duration: 1000,
 mask: true
 })
 }
 }
 },
 fail: function () {
 wx.showToast({
 title: '上传失败',
 icon: 'succes',
 duration: 1000,
 mask: true
 })
 }
 })
 },
 backHtml: function () {
 var that = this;
 wx.reLaunch({
 url: '/pages/index/index?gid=' + this.data.gid
 })
 },
 /**
 * 生命周期函数--监听页面初次渲染完成
 */
 onReady: function () {
 },
 /**
 * 生命周期函数--监听页面显示
 */
 onShow: function () {
 },
 /**
 * 生命周期函数--监听页面隐藏
 */
 onHide: function () {
 },
 /**
 * 生命周期函数--监听页面卸载
 */
 onUnload: function () {
 },
 /**
 * 页面相关事件处理函数--监听用户下拉动作
 */
 onPullDownRefresh: function () {
 },
 /**
 * 页面上拉触底事件的处理函数
 */
 onReachBottom: function () {
 },
 /**
 * 用户点击右上角分享
 */
 onShareAppMessage: function () {
 }
})

<view class='contbox'>
 <view class='thumbbox'>
 <video class="{{videoshow}}" src="{{src}}"></video>
 </view>
 <!-- 提交 -->
 <button bindtap='getLocalVideo' class="btn2" type="primary" form-type='submit'>选择视频</button>
 <button type="default" class="btn2" bindtap="chooseVideo" bindtap='uploadvideo' type="warn" form-type='reset'>上传视频</button>
</view>

.thumbbox {
 display: flex;
 justify-content: center;
 align-items: center;
}