Page({

data:{

autoIncrementId:null,

directionStartBrake:null,

motor:{

pwm:0,

}

},

directionTap:function(){

let _this = this

console.log("tap")

console.log(_this.data.motor)

_this.directionExec()

},

directionStart:function(){

let _this = this

console.log("start")

console.log(_this.data.motor)

},

directionLongpress:function() {

const _this = this;

console.log("long")

console.log(_this.data.motor)

const autoIncrementId = setInterval(() => {

_this.directionExec()

}, 500);

this.data.autoIncrementId = autoIncrementId;

},

directionStop:function(){

let _this = this

console.log("stop")

console.log(_this.data.motor)

if (this.data.autoIncrementId == null) return;

clearInterval(this.data.autoIncrementId);

this.data.autoIncrementId = null;

},

directionExec:function(){

const count = _this.data.motor.pwm+=10;

_this.setData({

"motor.pwm":count

});

},

})

我发现所有的console.log(_this.data.motor)结果都是const count = _this.data.motor.pwm+=10;之后的，我想实现，tap开始的时候先记录_this.data.motor.pwm的初始值，在directionStop的时候再放回去，为什么，所有的值都是相同的，好像是传址了，请大师帮忙看看，谢谢