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音乐小程序项目效果展示:
tab导航栏
content内容区
player音乐播放控件
开发者工具创建空白项目:
{"pages:["pages/index/index"
]
}
“navigationBarBackgroudColor”:"#fff,
“navigationBartitletext”:“音乐,”
“navigationBarBackgroudColor”:“black”,
标签页和页面info.wxml、play.wxml、palylist.wxml
swiper组件编写滑动页面结构
<swiper>
<swiper-item style="background:#ccc">0</swiper-item>
<swiper-item style="background:#ddd">1</swiper-item>
<swiper-item style="background:#eee">2</swiper-item>
</swiper-item>
swiper组件编写滑动页面结构index.wxml:
<swiper current-item-id="c">
< swiper-item item-id="a"> <image
src= "https://assets.lexus.com.cn/images/index/kv/2880x1480. newes. 1.jpg?x-Oss-
process=image/resize,w. 1898/quality.q. 80" mode= "widthFix" > </image> </swiper-item>
<swiper-item item-id="b"> <image src= https://assets.exus.com.cn/images/models/s/s -kv-1 2880.jpg?x-oss-
process=image/resize,w. 1898/quality.q. 80" mode= "widthFix" > </image> </swiper-item>
<swiper-item item-id="c"> <image src="https://assets.lexus.com.cn/images/index/kv/ux. 300e-kv-1-2880.jpg?x-
oss-process= image/resize,w 1898/quality,q 80" mode="widthFix"> </image> </swiper-item>
</swiper>
swiper组件编写滑动页面结构index.wxss:
image{
width:100%;
}
include主要用途:
1、将代码拆分到多个文件中,可以更方便地查找代码。
2、将代码公共部分抽取出来。通过外部文件引入。
<include src="header.wxml />
<view>body</view>
<include src="footer.wxml " />
<view class="tab>
<view class="tab-item">音乐推荐</view>
</view>
<!---内容区域--->
<view class="content"></view>
<!---底部播放器--->
<view class="player"></view>
<!--标签页标题-->
<view class=" tab">
<view class= "tab-item {{tab==0? active':' }}" bindtap=”changeItem"
data-item= "0" >音乐推荐< /view>
<view class=”tab item {{tab== 1? actie':"}}" bindtap=”changeItem”
data-item="1" >播放器< /view>
<view class=”tab item {{tab== 2? actie':"}}" bindtap=”changeItem”
data-item= "2" >播放列表< /view>
< /view>
页面和样式:
tab导航效果:
<view style= "background:#ddd; color:#000; h
eight:100%"> play </view>
<view style= "background:#ccc; color:#000; he
ight:100%" > info< /view>
<view style= "background:#eee; color:#00O; he
ight:100%" > playlist</view>
实现标签页切换
单击导航栏选项卡实现标签页切换:
<view class="tab-item {{tab==0?'a
ctive':'}}"
bindtap=" changeltem" data-item
="0">
音乐推荐< /view>
changeltem: function(e) {
this.setData({
item: e.target.dataset.item,
tab:e.target.dataset.item
}},
标签页切换样式
.tab -item.active {
color: #c25b5b;
border- bottom-color: #c25b5b;
< swiper current= "{item}" bindchange="c
hangeTab">
< swiper- item>
<include src = ../index/info" > </include>
</swiper-item>
< swiper- item>
<include src= ../index/play" > </include>
</swiper-item>
< swiper- item>
<include src=”./index/playlist" > </include>
</swiper-item>
</swiper>
change Tab: function(e) {
this.setData({
tab: e.detail.current
.tab-item.active {
color: #c25b5b;
border- bottom-color: #c25b5b;}
< scroll-view scroll-x scroll-y style="hei
ght:200px" bindscroll- "scroll">
<view style ="width:200%;height:400p
x;background:#ccc" > </view>
</scroll-view>
scroll: function(e) {
console.log(e.detail)
},
内容区域滚动
< scroll-view class= "content-info" scroll-y>
<view style= "background:#eee;height:10
00px" > </view>
<view>已到达底部< /view>
< /scroll-view>
<swiper class="content-info-slide" indicator-color="rgba(255,255,255,.5)" indicator-active-color="#fff" indicator-dots circular autoplay>
<swiper-item>
<image src="/images/banner.jpg" />
</swiper-item>
<swiper-item>
<image src="/images/banner.jpg" />
</swiper-item>
<swiper-item>
<image src="/images/banner.jpg" />
</swiper-item>
</swiper>
<view class="content-info-portal">
<view>
<image src="/images/04.png" />
<text>私人FM</text>
</view>
.content-info-portal { display: flex; margin-bottom: 15px; } .content-info-portal > view { flex: 1; font-size: 11pt; text-align: center; } .content-info-portal image { width: 120rpx; height: 120rpx; display: block; margin: 20rpx auto; }
<view class="content-info-list">
<view class="list-title">推荐歌曲</view>
<view class="list-inner">
<view class="list-item">
<image src="/images/cover.jpg" />
<view>紫罗兰</view>
</view>
热门音乐
.content-info-list > .list-inner > .list-item { flex: 1; } .content-info-list > .list-inner > .list-item > image { display: block; width: 200rpx; height: 200rpx; margin: 0 auto; border-radius: 10rpx; border: 1rpx solid #555; } .content-info-list > .list-inner > .list-item > view { width: 200rpx; margin: 10rpx auto; font-size: 10pt; }
<!-- 底部播放器 --> <view class="player"> <image class="player-cover" src="{{play.coverImgUrl}}" /> <view class="player-info"> <view class="player-info-title">{{play.title}}</view> <view class="player-info-singer">{{play.singer}}</view> </view> <view class="player-controls"> <!-- 切换到播放列表 --> <image src="/images/01.png" bindtap="changePage" data-page="2" /> <!-- 播放或暂停 --> <image wx:if="{{state=='paused'}}" src="/images/02.png" bindtap="play" /> <image wx:else src="/images/02stop.png" bindtap="pause" /> <!-- 下一曲 --> <image src="/images/03.png" bindtap="next" /> </view> </view>
.player { display: flex; align-items: center; background: #222; border-top: 1px solid #252525; height: 112rpx; } .player-cover { width: 80rpx; height: 80rpx; margin-left: 15rpx; border-radius: 8rpx; border: 1px solid #333; }
.player-info { flex: 1; font-size: 10pt; line-height: 38rpx; margin-left: 20rpx; padding-bottom: 8rpx; } .player-info-singer { color: #888; } .player-controls image { width: 80rpx; height: 80rpx; margin-right: 15rpx; }
var audioctx = wx.createInnerAudioContext();
onReady: function() {
var audioCtx = wx.createInnerAudioContext(
audioCtx.src = htt.:/....x.o.
audioCtx.onPlay(function() {
console.log('开始播放')
})
...
},
<slider bindchanging = "sliderChangeing" show-value />
sliderChanging:function(e){
console.log(e.detail.value)
},
playlist: [{
id: 1,
title: '钢琴协奏曲',
singer: '肖邦',
src: 'http://localhost:3000/1.mp3',
coverImgUrl: '/images/cover.jpg'
},
音乐播放逻辑代码:
audioCtx: null, onReady: function() { this.audioCtx = wx.createInnerAudioContext() // 默认选择第1曲 this.setMusic(0) var that = this // 播放进度检测 this.audioCtx.onError(function() { console.log('播放失败:' + that.audioCtx.src) }) // 播放完成自动换下一曲 this.audioCtx.onEnded(function() { that.next() }) // 自动更新播放进度 this.audioCtx.onPlay(function() {}) this.audioCtx.onTimeUpdate(function() { that.setData({ 'play.duration': formatTime(that.audioCtx.duration), 'play.currentTime': formatTime(that.audioCtx.currentTime), 'play.percent': that.audioCtx.currentTime / that.audioCtx.duration * 100 }) }) // 格式化时间 function formatTime(time) { var minute = Math.floor(time / 60) % 60; var second = Math.floor(time) % 60 return (minute < 10 ? '0' + minute : minute) + ':' + (second < 10 ? '0' + second : second) } }, // 音乐播放 setMusic: function(index) { var music = this.data.playlist[index] this.audioCtx.src = music.src this.setData({ playIndex: index, 'play.title': music.title, 'play.singer': music.singer, 'play.coverImgUrl': music.coverImgUrl, 'play.currentTime': '00:00', 'play.duration': '00:00', 'play.percent': 0 }) },
<!-- 底部播放器 -->
<view class="player">
<image class="player-cover" src="{{play.coverImgUrl}}" />
<view class="player-info">
<view class="player-info-title">{{play.title}}</view>
<view class="player-info-singer">{{play.singer}}</view>
</view>
底部播放器的样式代码:
.player {
display: flex;
align-items: center;
background: #222;
border-top: 1px solid #252525;
height: 112rpx;
}
<image wx:if="{{state=='paused'}}" src="/images/02.png" bindtap="play" />
<image wx:else src="/images/02stop.png" bindtap="pause" />
<image src="/images/03.png" bindtap="next" />
next: function() {
var index = this.data.playIndex >= this.data.playlist.length - 1 ? 0 : this.data.playIndex + 1
this.setMusic(index)
if (this.data.state === 'running') {
this.play()
}
},
<view class="content-play">
<!-- 显示音乐信息 -->
<view class="content-play-info">
<text>{{play.title}}</text>
<view>—— {{play.singer}} ——</view>
</view>
<!-- 播放器 --> <view class="content-play"> <!-- 显示音乐信息 --> <view class="content-play-info"> <text>{{play.title}}</text> <view>—— {{play.singer}} ——</view> </view> <!-- 显示专辑封面 --> <view class="content-play-cover"> <image src="{{play.coverImgUrl}}" style="animation-play-state:{{state}}" /> </view> <!-- 显示播放进度和时间 --> <view class="content-play-progress"> <text>{{play.currentTime}}</text> <view> <slider bindchange="sliderChange" activeColor="#d33a31" block-size="12" backgroundColor="#dadada" value="{{play.percent}}" /> </view> <text>{{play.duration}}</text> </view> </view>
.content-play {
display: flex;
justify-content: space-around;
flex-direction: column;
height: 100%;
text-align: center;
}
.content-play-info > view {
color: #888;
font-size: 11pt;
}
<!-- 显示专辑封面 -->
<view class="content-play-cover">
<image src="{{play.coverImgUrl}}" style="animation-play-state:{{state}}" />
</view>
<slider bindchange="sliderChange" activeColor="#d33a31" block-size="12" backgroundColor="#dadada" value="{{play.percent}}" />
onReady: function() {
this.audioCtx = wx.createInnerAudioContext()
// 默认选择第1曲
this.setMusic(0)
var that = this
// 播放进度检测
this.audioCtx.onError(function() {
console.log('播放失败:' + that.audioCtx.src)
})
// 播放完成自动换下一曲
this.audioCtx.onEnded(function() {
that.next()
})
< slider
bindchange= "sliderChange"
activeColor= " #d33a31
block- size=”12"
backgroundColor= " #dadada"
value= "{{play.percent}}" />
sliderChange: function(e) {
var second = e.detail.value
*
this.audioCtx.duration / 100
this.audioCtx.seek(second)
},
控制进度条的长度控制歌曲播放进度:
<scroll-view class="content-playlist" scroll-y>
<view class="playlist-item" wx:for="{{playlist}}" wx:key="id" bindtap="change" data-index="{{index}}">
<image class="playlist-cover" src="{{item.coverImgUrl}}" />
<view class="playlist-info">
<view class="playlist-info-title">{{item.title}}</view>
<view class="playlist-info-singer">{{item.singer}}</view>
</view>
<view class="playlist-controls">
<text wx:if="{{index==playIndex}}">正在播放</text>
</view>
</view>
</scroll-view>
.playlist-item {
display: flex;
align-items:
center;
border- bottom: 1rpx solid #333;
height: 112rpx;
}
...
change:function(e){
this.setMusic(e.currentTarget.dateset.index)
this.play()
},
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