// 注册 移动端touch 滑动处理
const touch = Vue.directive('touch', {
    bind(el, binding, vnode) {        
        var touchType = binding.arg; //传入的模式 press swipeRight swipeLeft swipeTop swipeDown Tap
        var timeOutEvent = 0;
        var direction = '';
        //滑动处理
        var startX, startY;
 
        //返回角度
        function GetSlideAngle(dx, dy) {
            return Math.atan2(dy, dx) * 180 / Math.PI;
        }
 
        //根据起点和终点返回方向 1：向上，2：向下，3：向左，4：向右,0：未滑动
        function GetSlideDirection(startX, startY, endX, endY) {
            var dy = startY - endY;
            var dx = endX - startX;
            var result = 0;
 
            //如果滑动距离太短
            if (Math.abs(dx) < 2 && Math.abs(dy) < 2) {
            return result;
            }
    
            var angle = GetSlideAngle(dx, dy);
            if (angle >= -45 && angle < 45) {
                result = 'swiperight';
            } else if (angle >= 45 && angle < 135) {
                result = 'swipeup';
            } else if (angle >= -135 && angle < -45) {
                result = 'swipedown';
            }
            else if ((angle >= 135 && angle <= 180) || (angle >= -180 && angle < -135)) {
                result = 'swipeleft';
            }
            return result;
        }
    
        el.addEventListener('touchstart', function (ev) {
            startX = ev.touches[0].pageX;
            startY = ev.touches[0].pageY;
    
            //判断长按
            timeOutEvent = setTimeout(() =>{
                timeOutEvent = 0 ;
                if(touchType === 'press'){
                    binding.value()
                }
            } , 500);
        }, false);
 
        el.addEventListener('touchmove' , function (ev) {
            clearTimeout(timeOutEvent)
            timeOutEvent = 0;
        });
    
        el.addEventListener('touchend', function (ev) {
            var endX, endY;
            endX = ev.changedTouches[0].pageX;
            endY = ev.changedTouches[0].pageY;
            direction = GetSlideDirection(startX, startY, endX, endY);
    
            clearTimeout(timeOutEvent)
    
            switch (direction) {
                case 0:
                    break;
                case 'swipeup':
                    if(touchType === 'swipeup'){
                        binding.value()
                    }
                    break;
                case 'swipedown':
                    if(touchType === 'swipedown'){
                        binding.value()
                    }
                    break;
                case 'swipeleft':
                    if(touchType === 'swipeleft'){
                        binding.value()
                    }
                    break;
                case 'swiperight':
                    if(touchType === 'swiperight'){
                        binding.value()
                    }
                    break;
                default:
            }
        }, false);
    }
})

组件中应用：

<div v-touch:swipeup="upSlide" v-touch:swipedown="downSlide">