將下面js 放在main.js引入
import touch from '@/assets/js/touch'//觸屏滑動(dòng)
Vue.use(touch);
使用
<div v-swiperight="swiperight">
...
</div>
swiperight為methods里的方法,不能傳參,傳參會(huì)報(bào)錯(cuò)
export default {
install(Vue){
function vueTouch(el,binding,type){//觸屏函數(shù)
var _this=this;
_this.obj=el;
_this.binding=binding;
_this.touchType=type;
_this.vueTouches={x:0,y:0};//觸屏坐標(biāo)
_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){//監(jiān)聽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){//監(jiān)聽touchend事件
var disX=e.changedTouches[0].pageX-this.vueTouches.x;//計(jì)算移動(dòng)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){//當(dāng)橫向位移大于10,縱向位移大于100序六,則判定為滑動(dòng)事件
this.touchType=="swipe"&&this.vueCallBack(this.binding.value,e);//若為滑動(dòng)事件則返回
if(Math.abs(disX)>Math.abs(disY)){//判斷是橫向滑動(dòng)還是縱向滑動(dòng)
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){//監(jiān)聽touchmove事件
this.vueMoves=false;
}
};
Vue.directive("tap",{//點(diǎn)擊事件
bind:function(el,binding){
new vueTouch(el,binding,"tap");
}
});
Vue.directive("swipe",{//滑動(dòng)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",{//長按事件
bind:function(el,binding){
new vueTouch(el,binding,"longtap");
}
});
}
}