先上gif.再吐槽.
2. index.js
//index.js //获取应用实例 var app = getApp() Page({ data: { spreakingAnimation: {},//放大动画 j: 1,//帧动画初始图片 isSpeaking: false,//是否在录音状态 }, onLoad: function () { }, //点击开始说话 startSpeak: function () { var _this = this; if (!this.data.isSpeaking) { speaking.call(this); this.setData({ isSpeaking: true }) } else { //去除帧动画循环 clearInterval(this.timer) this.setData({ isSpeaking: false, j: 1 }) } }, }) function speaking() { //话筒帧动画 var i = 1; this.timer = setInterval(function () { i++; i = i % 5; _this.setData({ j: i }) return }, 200); //波纹放大,淡出动画 var _this = this; var animation = wx.createAnimation({ duration: 1000 }) animation.opacity(0).scale(3, 3).step();//修改透明度,放大 this.setData({ spreakingAnimation: animation.export() }) setTimeout(function(){ //波纹放大,淡出动画 var animation = wx.createAnimation({ duration: 1000 }) animation.opacity(0).scale(3, 3).step();//修改透明度,放大 _this.setData({ spreakingAnimation_1: animation.export() }) },250) setTimeout(function(){ //波纹放大,淡出动画 var animation = wx.createAnimation({ duration: 1000 }) animation.opacity(0).scale(3, 3).step();//修改透明度,放大 _this.setData({ spreakingAnimation_2: animation.export() }) },500) }3. index.wxss
/**index.wxss**/ .voice-style { margin-top: 400px; display: flex; position: relative; flex-direction: column; align-items: center; } .bg-style { position: absolute; width: 100px; height: 100px; } .sound-style{ position: absolute; width: 37.6px; height: 60px; margin-top: 20px; }以上就是小程序开发放大淡出的麦克风动画效果代码的详细内容，更多请关注 第一PHP社区 其它相关文章！
