将下面js 放在main.js引入
import touch from '@/assets/js/touch'//触屏滑动
Vue.use(touch);
使用
<div v-swiperight="swiperight">
...
</div>
swiperight为methods里的方法,不能传参,传参会报错
export default {
install(Vue){
function vueTouch(el,binding,type){//触屏函数
var _this=this;
_this.obj=el;
_this.binding=binding;
_this.touchType=type;
_this.vueTouches={x:0,y:0};//触屏坐标
_this.vueMoves=true;
_this.vueLeave=true;
_this.vueCallBack=typeof(binding.value)=="object"?binding.value.fn:binding.value;
_this.obj.addEventListener("touchstart",function(e){
_this.start(e);
},false);
_this.obj.addEventListener("touchend",function(e){
_this.end(e);
},false);
_this.obj.addEventListener("touchmove",function(e){
_this.move(e);
},false);
};
vueTouch.prototype={
start:function(e){//监听touchstart事件
this.vueMoves=true;
this.vueLeave=true;
this.longTouch=true;
this.vueTouches={x:e.changedTouches[0].pageX,y:e.changedTouches[0].pageY};
this.time=setTimeout(function(){
if(this.vueLeave&&this.vueMoves){
this.touchType=="longtap"&&this.vueCallBack(this.binding.value,e);
this.longTouch=false;
};
}.bind(this),1000);
},
end:function(e){//监听touchend事件
var disX=e.changedTouches[0].pageX-this.vueTouches.x;//计算移动的位移差
var disY=e.changedTouches[0].pageY-this.vueTouches.y;
clearTimeout(this.time);
if(Math.abs(disX)>10||Math.abs(disY)>100){//当横向位移大于10,纵向位移大于100,则判定为滑动事件
this.touchType=="swipe"&&this.vueCallBack(this.binding.value,e);//若为滑动事件则返回
if(Math.abs(disX)>Math.abs(disY)){//判断是横向滑动还是纵向滑动
if(disX>10){
this.touchType=="swiperight"&&this.vueCallBack(this.binding.value,e);//右滑
};
if(disX<-10){
this.touchType=="swipeleft"&&this.vueCallBack(this.binding.value,e);//左滑
};
}else{
if(disY>10){
this.touchType=="swipedown"&&this.vueCallBack(this.binding.value,e);//下滑
};
if(disY<-10){
this.touchType=="swipeup"&&this.vueCallBack(this.binding.value,e);//上滑
};
};
}else{
if(this.longTouch&&this.vueMoves){
this.touchType=="tap"&&this.vueCallBack(this.binding.value,e);
this.vueLeave=false
};
};
},
move:function(e){//监听touchmove事件
this.vueMoves=false;
}
};
Vue.directive("tap",{//点击事件
bind:function(el,binding){
new vueTouch(el,binding,"tap");
}
});
Vue.directive("swipe",{//滑动事件
bind:function(el,binding){
new vueTouch(el,binding,"swipe");
}
});
Vue.directive("swipeleft",{//左滑事件
bind:function(el,binding){
new vueTouch(el,binding,"swipeleft");
}
});
Vue.directive("swiperight",{//右滑事件
bind:function(el,binding){
new vueTouch(el,binding,"swiperight");
}
});
Vue.directive("swipedown",{//下滑事件
bind:function(el,binding){
new vueTouch(el,binding,"swipedown");
}
});
Vue.directive("swipeup",{//上滑事件
bind:function(el,binding){
new vueTouch(el,binding,"swipeup");
}
});
Vue.directive("longtap",{//长按事件
bind:function(el,binding){
new vueTouch(el,binding,"longtap");
}
});
}
}