js实现移动端手指左右上下滑动翻页效果

var ele = document.getElementsByClassName("img-box")[0];
        var beginX, beginY, endX, endY, swipeLeft, swipeRight;
        ele.addEventListener(‘touchstart‘, function (event) {
            event.stopPropagation();
            event.preventDefault();
            beginX = event.targetTouches[0].screenX;
            beginY = event.targetTouches[0].screenY;
            swipeLeft = false, swipeRight = false;
        });

        ele.addEventListener(‘touchmove‘, function (event) {
            event.stopPropagation();
            event.preventDefault();
            endX = event.targetTouches[0].screenX;
            endY = event.targetTouches[0].screenY;
            // 左右滑动
            if (Math.abs(endX - beginX) - Math.abs(endY - beginY) > 0) {
                /*向右滑动*/
                if (endX - beginX > 0) {
                    swipeRight = true;
                    swipeLeft = false;
                }
                /*向左滑动*/
                else {
                    swipeLeft = true;
                    swipeRight = false;
                }
            }
            else if(Math.abs(endX - beginX) - Math.abs(endY - beginY) < 0)
            {
                // 上下滑动
            }
        });
        ele.addEventListener(‘touchend‘, function (event) {
            event.stopPropagation();
            event.preventDefault();

            if (Math.abs(endX - beginX) - Math.abs(endY - beginY) > 0) {
                event.stopPropagation();
                event.preventDefault();if (swipeRight) {
                    swipeRight = !swipeRight;
                    /*向右滑动*/
                }
                if(swipeLeft) {
                    swipeLeft = !swipeLeft;
                    /*向左滑动*/
                }
            }
        });