一、首先我先介绍一下,我们要做一个什么样的项目功能
项目功能就是一个音频点击播放,当点击为播放的状态时,一个音频的动图出现,而且是可以跟随着手指的滑动而滑动,而且,在滑动动图的时候,当前下的页面是不可以跟随着我的滑动而上下滚动,当停止滑动的时候,音频动图停靠在手机的左侧或者右侧,而当前下的页面是可以上下滚动的,功能介绍到此为止,下面我们说一下思路。
二、我们做这个功能,第二步就是要想思路
思路就是,利用微信中的滑动事件,外加控制css样式,来完成这个功能。
三、这是项目的ui图,废话不多说,直接撸代码。
项目样图四、index.wxml、index.wxss、index.js页面代码
*index.wxml页面*
<!-- 搜索 --> <view class='home_srh'> <view class='srh_box' bindtap='srhBox'> <image class='srh_box_img' src='../../img/home_search.png'></image> <view class='srh_box_text'>开心奶奶</view> </view> </view> <!-- 音频分类 --> <view class='home_ban'> <!-- 轮播图 --> <view class="page-section"> <swiper circular="true" previous-margin="44rpx" next-margin="44rpx"> <!-- <block wx:for="{{}}" wx:key=""> --> <swiper-item> <view class="swiper-item"> <audio src="http://img.tukuppt.com/preview_music/00/00/60/yulan-5b87c00c59d402663.mp3" id="myAudio" loop></audio> <view class='audio_box'> <button bindtap='audioPlay' wx:if="{{adply1}}" class='audio_play'> <image src='../../img/home_adplay.png' ></image> </button> <button bindtap='audioPause' wx:if="{{adply2}}" class='audio_play'> <image src='../../img/home_adstop.png' ></image> </button> </view> <view class='audio_next'> <image src='../../img/audio_next.png'></image> </view> <view class='audio_collect'> <button bindtap='audioColy' wx:if="{{adcol1}}" class='audio_coly'> <image src='../../img/audio_nocollect.png'></image> </button> <button bindtap='audioColn' wx:if="{{adcol2}}" class='audio_coly'> <image src='../../img/audio_collect.png'></image> </button> </view> <view class='audio_text'>开心奶奶——小小探险家</view> </view> </swiper-item> <swiper-item> <view class="swiper-item"> <audio src="http://img.tukuppt.com/preview_music/00/00/60/yulan-5b87c00c59d402663.mp3" id="myAudio" loop></audio> <view class='audio_box'> <button bindtap='audioPlay' wx:if="{{adply1}}" class='audio_play'> <image src='../../img/home_adplay.png' ></image> </button> <button bindtap='audioPause' wx:if="{{adply2}}" class='audio_play'> <image src='../../img/home_adstop.png' ></image> </button> </view> <view class='audio_next'> <image src='../../img/audio_next.png'></image> </view> <view class='audio_collect'> <button bindtap='audioColy' wx:if="{{adcol1}}" class='audio_coly'> <image src='../../img/audio_nocollect.png'></image> </button> <button bindtap='audioColn' wx:if="{{adcol2}}" class='audio_coly'> <image src='../../img/audio_collect.png'></image> </button> </view> <view class='audio_text'>开心奶奶——小小探险家</view> </view> </swiper-item> <!-- </block> --> </swiper> </view> ---------- > 重点!!!! <!-- 音频动图 --> <view class='{{ home_back }}' catchtouchmove='true' > <view class='audio_fre' wx:if="{{ adFre }}" bindtouchmove="handletouchmove" bindtouchend="handletouchend" style = "top:{{top}}px; left: {{left}}px; right: {{right}}px"> <image class='audio_fre1' src='../../img/audio_back.png'></image> <image class='audio_fre2' src='../../img/audio_fre.gif'></image> </view> </view> ---------- <!-- 分类 --> <view class='menu_ul'> <view class='menu_li' id="0" bindtap='menuLi'> <image src='../../img/recom.png'></image> <view class='menu_text'>推荐故事</view> </view> <view class='menu_li' id="1" bindtap='menuLi'> <image src='../../img/boy_icon.png'></image> <view class='menu_text'>男孩</view> </view> <view class='menu_li' id="2" bindtap='menuLi'> <image src='../../img/girl_icon.png'></image> <view class='menu_text'>女孩</view> </view> </view> </view> <!-- 儿童故事 --> <view class='child_story'> <view class='story_ul' wx:if="{{curr_index == 0}}"> <view class='story_li' bindtap='storySec'> <view class='story_li_img'> <image class='story_li_img1' src='../../img/weekend-first.png'></image> <image class='story_li_img2' src='../../img/pay_icon.png'></image> </view> <view class='st_li_tit b'>童话故事里的小智慧</view> <view class='st_li_sec'>小智慧,大智慧</view> </view> </view> <view class='story_ul' wx:if="{{curr_index == 1}}"> <view class='story_li' bindtap='storySec'> <view class='story_li_img'> <image class='story_li_img1' src='../../img/weekend-first.png'></image> <!-- <image class='story_li_img2' src='../../img/pay_icon.png'></image> --> </view> <view class='st_li_tit b'>童话故事里的小智慧</view> <view class='st_li_sec'>小智慧,大智慧</view> </view> </view> <view class='story_ul' wx:if="{{curr_index == 2}}"> <view class='story_li' bindtap='storySec'> <view class='story_li_img'> <image class='story_li_img1' src='../../img/weekend-first.png'></image> <image class='story_li_img2' src='../../img/pay_icon.png'></image> </view> <view class='st_li_tit b'>童话故事里的小智慧</view> <view class='st_li_sec'>小智慧,大智慧</view> </view> </view> </view>
*index.wxss样式*
/**index.wxss**/ .home_back1{ width: 100%; } .home_back2{ position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 10; } /* 搜索 */ .home_srh { width: 100%; height: 74rpx; padding-top: 20rpx; background: #fff; border-bottom: 1rpx solid #e8e8e8; } .home_srh .srh_box { width: 690rpx; height: 54rpx; margin: 0 auto; box-shadow: 0 0 10rpx 2rpx #f1f1f1; border-radius: 50rpx; display: flex; align-items: center; } .home_srh .srh_box .srh_box_img { width: 24rpx; height: 26rpx; display: inline-block; margin-left: 32rpx; margin-right: 20rpx; } .home_srh .srh_box .srh_box_text { font-size: 24rpx; color: #999; } /* 音频分类 */ /* banner图 */ .home_ban{ width: 100%; height: 422rpx; background: #fff; padding-top: 18rpx; } .home_ban .page-section{ width: 100%; height: 258rpx; position:relative; z-index: 2; } .home_ban .page-section .swiper-item{ width: 630rpx; height: 258rpx; margin: 0 auto; position: relative; display: block; } .home_ban .page-section .swiper-item audio{ width: 630rpx; height: 258rpx; display: block; background: #ccc; } .home_ban .page-section .swiper-item .audio_box { width: 90rpx; height: 90rpx; position: absolute; left: 50%; top: 50%; margin-left: -45rpx; margin-top: -45rpx; } .home_ban .page-section .swiper-item .audio_box .audio_play { width: 90rpx; height: 90rpx; display: block; background: rgba(0,0,0,0); } .home_ban .page-section .swiper-item .audio_box .audio_play image{ width: 90rpx; height: 90rpx; display: block; } .home_ban .page-section .swiper-item .audio_next { width: 60rpx; height: 60rpx; position: absolute; top: 50%; margin-top: -30rpx; right: 169rpx; } .home_ban .page-section .swiper-item .audio_next image { width: 60rpx; height: 60rpx; display: block; } .home_ban .page-section .swiper-item .audio_collect { width: 60rpx; height: 60rpx; position: absolute; top: 50%; margin-top: -30rpx; right: 169rpx; } .home_ban .page-section .swiper-item .audio_collect image { width: 60rpx; height: 60rpx; display: block; } .home_ban .page-section .swiper-item .audio_collect { width: 60rpx; height: 60rpx; position: absolute; top: 50%; margin-top: -30rpx; left: 169rpx; } .home_ban .page-section .swiper-item .audio_collect .audio_coly { width: 60rpx; height: 60rpx; display: block; background: rgba(0,0,0,0); } .home_ban .page-section .swiper-item .audio_collect .audio_coly image { width: 60rpx; height: 60rpx; display: block; } .home_ban .page-section .swiper-item .audio_text{ width: 100%; font-size: 28rpx; color: #fff; text-align: center; position: absolute; bottom: 26rpx; } /* 音频小白点 */ .audio_fre { width: 108rpx; height: 108rpx; position: fixed; z-index: 99; } .audio_fre .audio_fre1 { width: 104rpx; height: 104rpx; display: block; border-radius: 100%; border: 2rpx solid #fff; } .audio_fre .audio_fre2 { width: 60rpx; height: 60rpx; position: absolute; top: 50%; margin-top: -30rpx; left: 50%; margin-left: -30rpx; } /* 菜单分类 */ .menu_ul { width: 100%; height: 164rpx; } .menu_ul .menu_li { width: 33.3%; height: 164rpx; float: left; text-align: center; } .menu_ul .menu_li:nth-child(1) image{ width: 78rpx; height: 80rpx; display: block; margin: 0 auto; margin-top: 23rpx; } .menu_ul .menu_li:nth-child(2) image{ width: 74rpx; height: 97rpx; display: block; margin: 0 auto; margin-top: 8rpx; } .menu_ul .menu_li:nth-child(3) image{ width: 73rpx; height: 96rpx; display: block; margin: 0 auto; margin-top: 8rpx; } .menu_ul .menu_li .menu_text{ width: 100%; text-align: center; font-size: 24rpx; color: #343434; margin-top: 10rpx; } /* 儿童故事 */ .child_story { width: 100%; margin-top: 8rpx; background: #fff; } .child_story .story_ul { padding: 0 32rpx; padding-top: 30rpx; overflow: hidden; } .child_story .story_ul .story_li { width: 330rpx; float: left; margin-right: 26rpx; margin-bottom: 30rpx; } .child_story .story_ul .story_li:nth-child(2n) { margin-right: 0; } .child_story .story_ul .story_li .story_li_img { width: 330rpx; height: 210rpx; border-radius: 14rpx; position: relative; overflow: hidden; } .child_story .story_ul .story_li .story_li_img .story_li_img1{ width: 330rpx; height: 210rpx; display: block; } .child_story .story_ul .story_li .story_li_img .story_li_img2{ width: 95rpx; height: 32rpx; display: block; position: absolute; top: 0; left: 0; } .child_story .story_ul .story_li .st_li_tit { width: 90%; font-size: 26rpx; color: #212121; margin-top: 18rpx; padding: 0 5%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; letter-spacing: 0.4rpx; } .child_story .story_ul .story_li .st_li_sec { width: 90%; font-size: 18rpx; color: #999; margin-top: 6rpx; padding: 0 5%; letter-spacing: 0.2rpx; }
*index.js页面*
//index.js var app = getApp(); Page({ /** * 页面的初始数据 */ data: { adply1: true, adply2: false, adcol1: true, adcol2: false, adFre: false, funBun: false, curr_index: 0, screenHeight: 0, screenWidth: 0, top: 65, left: 300, right: 0, home_back: 'home_back1' }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { //获取屏幕宽高 var that = this; wx.getSystemInfo({ success: function (res) { console.log(res.windowWidth)//手机可用屏幕宽度 console.log(res.windowHeight)//手机可用屏幕高度 that.setData({ screenHeight: res.windowHeight, screenWidth: res.windowWidth, }); } }); }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady: function (e) { let that = this; that.audioCtx = wx.createAudioContext('myAudio') }, /** * 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 () { }, /** * 跳转搜索页面 */ srhBox: function () { let that = this; wx.navigateTo({ url: '../search/index', }) }, /** * 点击播放 */ audioPlay: function () { var that = this; that.audioCtx.play(); that.setData({ adply1: false, adply2: true, adFre: true, // isScroll: that.data.isScroll }) }, /** * 点击暂停 */ audioPause: function () { var that = this; that.audioCtx.pause(); that.setData({ adply1: true, adply2: false, adFre: false, // isScroll: that.data.isScroll }) }, /** * 点击收藏 */ audioColy: function () { var that = this; that.setData({ adcol1: false, adcol2: true, }) }, /** * 点击未收藏 */ audioColn: function () { var that = this; that.setData({ adcol1: true, adcol2: false, }) }, /** * 跳转故事详情 */ storySec: function () { let that = this; wx.navigateTo({ url: '../audio/index', }) }, /** * 点击切换 */ menuLi: function (e) { let that = this; // console.log (e); let id = e.currentTarget.id; that.setData({ curr_index: id }) }, /** * 音频小白点滑动 */ //滑动移动事件 handletouchmove: function (e) { let that = this; let clientX = e.touches[0].clientX; let clientY = e.touches[0].clientY; //屏幕边界判断 if (clientX < 20 clientY < 20) return; if (clientX > that.data.screenWidth - 20) return; if (clientY > that.data.screenHeight - 20) return; that.setData({ left: e.touches[0].clientX - 20, top: e.touches[0].clientY - 20, right: e.touches[0].clientX - 20, home_back: 'home_back2' }) }, //滑动结束事件 handletouchend: function (e) { let that = this; if ( that.data.left < (that.data.screenWidth - 60) / 2 ) { that.setData({ left: 0, home_back: 'home_back1' }) } else { that.setData({ left: that.data.screenWidth - 60, right: 0, home_back: 'home_back1' }) } } })以上就是小程序实现类似于苹果AssistiveTouch功能(附代码)的详细内容,更多请关注php中文网其它相关文章!
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