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egret中使用addEventListener是要添加参数使用bind
private mainFunction(){
let param1 = '参数1';
let param2 = '参数2';
let param3 = '参数3';
Btn.addEventListener(egret.TouchEvent.TOUCH_BEGIN, this.clickFunction.bind(this, param1, param2, param3 ,false), this);
}
private clickFunction(param1, param2, param3){
console.log(param1);
console.log(param2);
console.log(param3);
}