小程序模仿抖音

水深无声 2022-04-10 12:29 623阅读 0赞

效果图：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTIwMTEzNjA_size_16_color_FFFFFF_t_70][]

一开始思路是使用swiper来实现上下滑的效果，并且在swiper-item里嵌套video，但是一直有莫名其妙的问题，后来在小程序API文档里也看到video无法在swiper中使用。转换思路改成监听用户上下滑，view上绑定如下事件

bindtouchstart="touchstart" bindtouchmove="touchmove" bindtouchend="touchend"

来判断用户是否上下滑

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTIwMTEzNjA_size_16_color_FFFFFF_t_70 1][]

html部分：

<cover-view class='navBtns'>

<cover-view class='\{ \{index==typeChooseIndex?"active":""\}\} typeButton' data-index='\{ \{index\}\}' catchtap='styleClick'>

\{ \{item.name\}\}</cover-view>

</block>

<cover-view class='colorBtns'>

<cover-view class='\{ \{index==colorChooseIndex?"active":""\}\} colorbutton' data-index="\{ \{index\}\}" catchtap='colorClick' >\{ \{item.colorName\}\}</cover-view>

</block>

</cover-view>

<cover-view class='detail'>

<cover-view class='detailLeft'>

<cover-view class='catCon'>

<cover-view>\#品种：\{ \{curCat.typeName\}\}</cover-view>

<cover-view>\#颜色：\{ \{curCat.colorName\}\}</cover-view>

</cover-view>

</block>

</block>

</block>

</cover-view>

<cover-view class='detailRight'>

<cover-view class='detailRightCon'>

<cover-view class='loveCon \{ \{curCat.likeStatus==1?"active":""\}\}'

catchtap='likeEnt'>

<cover-image src='../images/love1.png'></cover-image>

<cover-image src='../images/love2.png'></cover-image>

</cover-view>

<cover-view class='loveNum'>\{ \{curCat.likeNum\}\}</cover-view>

<cover-view class='shareCon'>

<cover-image src='../images/shareIcon.png'></cover-image>

</cover-view>

<cover-view class='shareNum'>\{ \{curCat.shareNum\}\}</cover-view>

</cover-view>

<cover-view class='bottom clear' catchtap=''>

<cover-view class='vProgress' style='width:\{ \{vProgress\}\}%'></cover-view>

<cover-view class='bottomBorder'></cover-view>

<cover-view class='space'></cover-view>

</cover-view>

</cover-view>

<cover-view class='mask \{ \{maskStatus\}\}' catchtap='closeMask'>

<cover-image src='../images/type2.png' class='tipTop'></cover-image>

<cover-image src='../images/up2.png' class='tipBottom'></cover-image>

</cover-view>

<cover-view class='videoBtn \{ \{videoBtnStatus\}\}' catchtap='playVideo'>

<cover-image src='../images/pause.png' class='videoBtnIcon'></cover-image>

</cover-view>

</video>

</view>

css部分：

/\* pages/index/index.wxss \*/

page\{

width: 100%;

height: 100%;

background: \#000;

swiper,swiper-item\{

width: 100%;

height: 900rpx;

.videoCon,video\{

width: 100%;

height: 100%;

overflow: hidden;

.videoCon\{

margin-top: 130rpx;

.navBtns\{

padding-top: 65rpx;

padding-left: 20rpx;

position: fixed;

top: 0rpx;

height: 150rpx;

z-index: 999;

width: 100%;

.navBtns .typeButton\{

background:rgba(255, 255, 255, 0.5);

display:inline-block;

font-size:14px;

line-height:25px;

width:40px;

height:25px;

margin:2px 5px;

border-radius:5px;

text-align:center;

margin-bottom: 10rpx;

.navBtns .typeButton.active\{

background: \#d82539;

color: \#fff;

.colorBtns .colorbutton\{

display: inline-block;

background: none;

color: rgb(36, 36, 36);

/\* border: 1px solid \#fff; \*/

box-shadow: none;

outline: none;

font-size: 24rpx;

/\* padding: 5rpx 8rpx; \*/

padding: 3rpx;

border-radius: 10rpx;

margin:5px 5px;

line-height: 30rpx;

border: 1px solid \#fff;

background:rgba(235, 235, 235, 0.5);

text-align: center;

.colorBtns .colorbutton.active\{

background: none;

border: 1px solid \#ffffff;

background:rgba(207, 206, 206, 0.5);

background: \#d82539;

color: \#fff;

.colorBtns .colorbutton::after,.colorbutton .button::before\{

border: none;

.detailRightCon\{

float: right;

margin-right: 10rpx;

width: 80rpx;

height: 220rpx;

overflow: hidden;

.loveCon\{

width: 180rpx;

height: 60rpx;

.loveCon.active\{

margin-left: -80rpx;

.loveCon cover-image\{

float: left;

width: 80rpx;

height: 60rpx;

.shareNum,.loveNum\{

clear: both;

color: \#fff;

font-size: 30rpx;

font-weight: bold;

text-align: center;

padding-right: 5rpx;

.shareCon\{

height:60rpx;

margin-top: 20rpx;

position: relative;

.shareCon cover-image\{

width: 77rpx;

height: 62rpx;

.shareNum\{

display: block;

height: 50rpx;

.detailLeft\{

float: left;

margin-top: 50rpx;

margin-bottom: 40rpx;

.detailRight\{

float: right;

.catCon\{

font-size: 28rpx;

color: \#fff;

padding-left: 30rpx;

.clear\{

clear: both;

.catCon button\{

display: inline-block;

background: none;

padding: 0px;

font-size: 28rpx;

color: \#fff;

line-height: 30rpx;

border-radius: 0rpx;

border: 0rpx;

.catCon button::after\{

border: none;

.catCon\{

margin-bottom: 10rpx;

.catCon>cover-view\{

padding-left: 0rpx;

.reserve\{

font-size: 28rpx;

background: \#f3243b;

color: \#fff;

margin-left: 30rpx;

margin-top: 40rpx;

.sold\{

font-size: 28rpx;

background: \#ccc;

color: \#fff;

margin-left: 30rpx;

margin-top: 40rpx;

.detail\{

width: 100%;

position: fixed;

left: 0rpx;

bottom: -2rpx;

height: 360rpx;

.bottom button\{

width: 50%;

height: 80rpx;

line-height: 80rpx;

text-align: center;

background: none;

color: \#ccc;

float: left;

font-size: 30rpx;

border-radius: 0rpx;

border-left: 0rpx;

border-right: 0rpx;

border: none;

.bottom button::after\{

border: none;

border-radius: 0rpx;

/\* border-top: 1rpx solid \#fff; \*/

.bottom button.active\{

/\* border-right: 1rpx solid rgba(0, 0, 0, 0.1); \*/

border-bottom: 2rpx solid \#d82539;

font-weight: bold;

color: \#d82539;

.shareBtn,.shareBtn::after\{

background: none;

display: block;

border: none;

outline: none;

height: 120rpx;

width: 90rpx;

line-height:300rpx;

position: absolute;

z-index: 999;

top: 0rpx;

.shareBtn .wx-button-cover-view-inner\{

height: auto;

overflow: auto;

.bottom\{

width: 100%;

position: absolute;

bottom: 0rpx;

background: rgba(0, 0, 0, 1);

height: 80rpx;

/\* border-top: 1rpx solid rgba(241, 241, 241,0.4); \*/

.bottomBorder\{

clear: both;

border-top: 2rpx solid rgba(241, 241, 241,0.4);

.videoOut\{

position: fixed;

top: 0rpx;

left: 0rpx;

height: 100%;

width: 100%;

.bottom .space\{

width: 2rpx;

background: rgba(241, 241, 241,0.4);

height:30rpx;

position:absolute;

margin-top:22rpx;

margin-left: 50%;

.middle\{

width: 100%;

height: 100%;

overflow: hidden;

background: \#000;

.videoBox\{

background: \#000;

.mask\{

width: 100%;

height: 100%;

background: rgba(0, 0, 0, 0.8);

position: fixed;

z-index: 999;

top: 0rpx;

.tipTop\{

width:238rpx;

height:225rpx;

position:absolute;

top:43rpx;

left:99rpx;

.tipBottom\{

width:560rpx;

height:317rpx;

position:absolute;

bottom:513rpx;

left:50%;

margin-left:-280rpx;

.videoBtn\{

width: 100%;

height: 200rpx;

position: fixed;

top: 615rpx;

z-index: 999;

.videoBtnIcon\{

width: 120rpx;

height: 100rpx;

display: block;

margin: 0 auto;

.vProgress\{

height: 2rpx;

background: red;

js部分：

// pages/index/index.js

const app = getApp();

var videopage = 0;

var up;

var down;

Page(\{

/\*\*

\* 页面的初始数据

\*/

data: \{

videoList: \[ \],

curvideo: '',

issold: true,

canIUse: wx.canIUse('button.open-type.getUserInfo'),

isnew: true,

typeList: \[\],

colorList: \[\],

catList: \[\],

typeChooseIndex: 0,

colorChooseIndex: 0,

curCat: \{\},

videoindex: 0,

videoH: 700,

maskStatus:'hide',

videoBtnStatus:'hide'

\},

curColorType: '', //选择的颜色

curTypeCode: '', //选择的类型

page: 1, //第几页

pageSize: 20, //每页显示数量

openId: app.openId,

isEnd :false,

isAjax:false,

noDataTip:'暂无数据,切换一个标签吧',

/\*\*

\* 生命周期函数--监听页面加载

\*/

onLoad: function (options) \{

var that = this;

wx.getSystemInfo(\{//适配

success: function (res) \{

console.info("版本号", +res.SDKVersion.replace(/\\./g, ""));

if (+res.SDKVersion.replace(/\\./g, "")<=210)\{

wx.showToast(\{

title: '您当前微信版本太低，部分功能不支持，请升级到最新微信版本',

icon: 'none',

duration: 10000

\})

var isPlus = res.model.search("Plus");

var isX = res.model.search("iPhone X");

var ipad = res.model.search("iPad");

if (isX != -1) \{

that.setData(\{

videoH: 1000

\})

if (isPlus != -1) \{

that.setData(\{

videoH: 800

\})

if (ipad != -1) \{

that.setData(\{

videoH: 400

\})

var that = this;

if (!that.openId) \{

that.openId = app.openId

app.getDate('api/wechat/queryLabel', \{\}, function (data) \{

var d = data.data;

that.setData(\{

typeList: data.data,

colorList: d\[0\].listColor

\});

that.queryCatList();

//用户第一次显示操作提示

try \{

const isfirst = wx.getStorageSync('first');

if (isfirst == 1) \{

that.setData(\{

maskStatus:'hide'

\})

\}else\{

wx.setStorageSync('first', 1);

that.setData(\{

maskStatus: 'show'

\})

\} catch (e) \{

console.info(e);

\},

/\*\*

\* 用户点击右上角分享

\*/

onShareAppMessage: function () \{

this.btnshare();

return \{

title: app.data.shareTitle,

path: app.data.sharePath,

\},

videowait: function () \{

wx.showLoading(\{

title: "拼命加载中...",

\})

\},

goreserve: function (e) \{

var id = e.target.dataset.catid;

wx.navigateTo(\{

url: '../reserve/reserve?id=' + id

\})

\},

bindGetUserInfo(e) \{

var that = this;

console.log(e.detail.userInfo);

if (!!e.detail.userInfo) \{

const userInfo = e.detail.userInfo;

try \{

wx.setStorageSync('userInfo', userInfo);

\} catch (e) \{

console.info(e);

that.setData(\{

isnew: false

\})

wx.navigateTo(\{

url: '../center/center',

\})

\} else \{

that.setData(\{

isnew: true

\})

wx.showToast(\{

title: '授权失败',

icon: 'none',

duration: 2000

\})

console.info("授权失败")

\},

goCenter: function () \{

if (!wx.canIUse('button.open-type.getUserInfo')) \{

wx.showToast(\{

title: '请升级微信版本',

icon: 'none',

duration: 2000

\})

\},

btnshare: function () \{

var that = this;

//that.onShareAppMessage;

that.data.curCat.shareNum = that.data.curCat.shareNum + 1;

that.setData(\{

curCat: that.data.curCat

\});

app.getDate('api/wechat/share/' + that.data.curCat.id + '.do', \{\});

\},

/\*\*

\* 上面风格点击事件

\*/

styleClick: function (e) \{

var index = e.target.dataset.index;

var that = this;

var curTypeinfo=that.data.typeList\[index\];

console.info(index, curTypeinfo, curTypeinfo.listColor);

that.setData(\{

colorList:curTypeinfo.listColor,

typeChooseIndex:index,

colorChooseIndex: 0

\});

videopage=0;

that.curColorType = '';

that.curTypeCode = !curTypeinfo.typeCode ? '' : curTypeinfo.typeCode;

that.data.catList=\[\];

that.page = 1;

that.isEnd = false;

that.queryCatList();

that.videoPlay(1);

//console.info(e.target.dataset);

\},

colorClick: function (e) \{

var index = e.target.dataset.index;

var that = this;

var curTypeinfo = that.data.typeList\[that.data.typeChooseIndex\] ;

var curColor = curTypeinfo.listColor\[index\];

console.info(curTypeinfo, curColor);

that.curColorType = curColor.colorCode;

that.curTypeCode = curTypeinfo.typeCode;

that.page = 1;

that.setData(\{

colorChooseIndex: index

\})

videopage=0;

that.data.catList = \[\];

that.page = 1;

that.isEnd = false;

that.queryCatList();

// that.queryCatList();

//console.info(e.target.dataset);

that.videoPlay(1);

\},

likeEnt: function (e) \{

var that = this;

var curCat = that.data.curCat;

if (curCat.likeStatus == 1) \{

curCat.likeStatus = 0;

curCat.likeNum = curCat.likeNum > 0 ? curCat.likeNum - 1 : 0;

\} else \{

curCat.likeStatus = 1;

curCat.likeNum = curCat.likeNum + 1;

that.setData(\{

catList: that.data.catList,

curCat: curCat

\})

app.getDate('api/wechat/updateLike.do', \{

catId: curCat.id,

openId: that.openId,

status: curCat.likeStatus

\});

\},

queryCatList: function () \{

var that = this;

if(that.isEnd)\{

return ;

app.getDate('api/wechat/queryVideoCat', \{

typeCode: that.curTypeCode,

colorCode: that.curColorType,

page: that.page,

openId: that.openId,

rows: that.pageSize

\}, function (data) \{

that.page++;

var d = data.data;

if (!d || d.length <= 0) \{

that.isEnd=true;

if (that.data.catList.length>0)\{

videopage=0;

var catList = that.data.catList;

that.setData(\{

curCat: catList\[videopage\],

curvideo: catList\[videopage\].attaEntity\[0\].url

\});

return ;

wx.showToast(\{

title: that.noDataTip,

icon: 'none',

duration: 2000

\})

return ;

\} else \{

if(d.length<that.pageSize)\{

that.isEnd=true;

var tdata=that.data.catList.concat(d);

that.setData(\{

catList: tdata ,

curCat: tdata\[videopage\],

curvideo: tdata\[videopage\].attaEntity\[0\].url

\})

\});

\},

//触摸开始事件

touchstart: function (e) \{

var that = this;

//console.log(e.touches\[0\].clientY)

that.setData(\{

touchstartY: e.touches\[0\].clientY

\})

this.data.touchstartY = e.touches\[0\].clientY;

up = false;

down = false;

\},

//触摸移动事件

touchmove: function (e) \{

// console.log(e)

let touchendY = e.touches\[0\].clientY;

let touchstartY = this.data.touchstartY;

//向上滑动

if (touchendY - touchstartY <= -40) \{

console.log("向上滑动");

up = true;

down = false;

//向下滑动

if (touchendY - touchstartY >= 40) \{

console.log("向下滑动");

up = false;

down = true;

\},

//触摸结束事件

touchend: function (e) \{

var that = this;

var videoList = that.data.catList;

if (up === true) \{

if (videopage >= videoList.length - 1) \{

if(that.isEnd)\{ //如果已经结束了

if (videoList.length <= 0) \{

wx.showToast(\{

title: that.noDataTip,

icon: 'none',

duration: 2000

\});

return;

\} else \{

videopage = 0;

\}else\{ //如果还没有结束，加载下一个

videopage++;

that.queryCatList();

return ;

\} else \{

videopage++;

if (down === true) \{

if (videopage == 0) \{

if (videoList.length>0)\{

videopage = videoList.length-1 ;

\}else\{

wx.showToast(\{

title: that.noDataTip,

icon: 'none',

duration: 2000

\})

return;

\} else \{

videopage--;

var curCat = videoList\[videopage\];

that.setData(\{

curvideo: curCat.attaEntity\[0\].url,

curCat: curCat

\});

up = false;

down = false;

that.videoPlay(1);

\},

//关闭操作提示

closeMask:function()\{

var that = this;

that.setData(\{

maskStatus:'hide'

\})

\},

//视频暂停与播放封装 status：1播放 2暂停

videoPlay: function (status) \{

console.info(status);

var that = this;

var v = wx.createVideoContext("video0");

if (status == 1)\{//播放

v.play();

that.setData(\{

videoBtnStatus: 'hide'

\})

\} else if (status == 2)\{//暂停

v.pause();

that.setData(\{

videoBtnStatus:'show'

\})

\},

pauseVideo:function()\{

var that = this;

that.videoPlay(2);

\},

playVideo:function()\{

var that = this;

that.videoPlay(1);

\},

videoProgress:function(e)\{

var that = this;

console.info(e.detail.duration, e.detail.currentTime);

var duration = e.detail.duration;

var currentTime = e.detail.currentTime;

var progress = currentTime / duration\*100;

that.setData(\{

vProgress: progress

\})

\});

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTIwMTEzNjA_size_16_color_FFFFFF_t_70]: /images/20220330/b60e9b95eb7345dd969dfc10c77d352e.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTIwMTEzNjA_size_16_color_FFFFFF_t_70 1]: /images/20220330/8293712244c84995b44efcaa94b857f7.png