Javascript 将向左/向右滑动添加到网页,但使用默认的向上/向下滑动
我正在使用padilicious检测将在iOS和台式机上查看的网页的滑动手势。左/右滑动我的站点的上一页和下一页效果很好。然而,它似乎覆盖了iPhone/iPad上下滑动时的默认行为。我想要一个上/下滑动滚动页面,当我没有Padicious运行时它会这样做。仅仅让代码忽略向上/向下滑动似乎不起作用 我读过的那段代码Javascript 将向左/向右滑动添加到网页,但使用默认的向上/向下滑动,javascript,html,ios,swipe,Javascript,Html,Ios,Swipe,我正在使用padilicious检测将在iOS和台式机上查看的网页的滑动手势。左/右滑动我的站点的上一页和下一页效果很好。然而,它似乎覆盖了iPhone/iPad上下滑动时的默认行为。我想要一个上/下滑动滚动页面,当我没有Padicious运行时它会这样做。仅仅让代码忽略向上/向下滑动似乎不起作用 我读过的那段代码 function processingRoutine() { var swipedElement = document.getElementById(triggerEleme
function processingRoutine() {
var swipedElement = document.getElementById(triggerElementID);
if ( swipeDirection == 'left' ) {
document.location = document.getElementById('nextPage').href;
} else if ( swipeDirection == 'right' ) {
document.location = document.getElementById('prevPage').href;
} else if ( swipeDirection == 'up' ) {
return;
} else if ( swipeDirection == 'down' ) {
return;
}
}
我不熟悉padilicious,但请检查是否在任何位置设置了
ontouchmove=“BlockMove(event);”
,以防止页面像您描述的那样滚动,我不确定如何使其保持垂直滚动,但水平滑动
编辑:我发现了一个非常有帮助的概述,可以帮助您使用“本机”感觉的iOS web应用程序,它可能不是您想要的,但可以为您提供解决问题的另一种方法。查看:有一个jquery库,它可以完成这项工作(通过不提供up/down方法):Padicious似乎在所有情况下都可以防止默认设置。在所有情况下,请参见对event.preventDefault()的调用
function touchStart(event,passedName) {
// disable the standard ability to select the touched object
event.preventDefault();
你必须改变开始,停止。。。处理程序在上下两种情况下不调用preventDefault()。删除
event.preventDefault()代码>来自所有函数。在函数processingRoutine(){}
addevent.preventDefault()中代码>你想要的
function processingRoutine() {
var swipedElement = document.getElementById(triggerElementID);
if ( swipeDirection == 'left' ) {
// REPLACE WITH YOUR ROUTINES
//swipedElement.style.backgroundColor = 'orange';
event.preventDefault();
} else if ( swipeDirection == 'right' ) {
// REPLACE WITH YOUR ROUTINES
//swipedElement.style.backgroundColor = 'green';
event.preventDefault();
} else if ( swipeDirection == 'up' ) {
// REPLACE WITH YOUR ROUTINES
//swipedElement.style.backgroundColor = 'maroon';
} else if ( swipeDirection == 'down' ) {
// REPLACE WITH YOUR ROUTINES
//swipedElement.style.backgroundColor = 'purple';
}
}
我更改了脚本,这项工作:
// TOUCH-EVENTS SINGLE-FINGER SWIPE-SENSING JAVASCRIPT
// Courtesy of PADILICIOUS.COM and MACOSXAUTOMATION.COM
// this script can be used with one or more page elements to perform actions based on them being swiped with a single finger
var triggerElementID = null; // this variable is used to identity the triggering element
var fingerCount = 0;
var startX = 0;
var startY = 0;
var curX = 0;
var curY = 0;
var deltaX = 0;
var deltaY = 0;
var horzDiff = 0;
var vertDiff = 0;
var minLength = 72; // the shortest distance the user may swipe
var swipeLength = 0;
var swipeAngle = null;
var swipeDirection = null;
// The 4 Touch Event Handlers
// NOTE: the touchStart handler should also receive the ID of the triggering element
// make sure its ID is passed in the event call placed in the element declaration, like:
// <div id="picture-frame" ontouchstart="touchStart(event,'picture-frame');" ontouchend="touchEnd(event);" ontouchmove="touchMove(event);" ontouchcancel="touchCancel(event);">
function touchStart(event,passedName) {
// disable the standard ability to select the touched object
//event.preventDefault();
// get the total number of fingers touching the screen
fingerCount = event.touches.length;
// since we're looking for a swipe (single finger) and not a gesture (multiple fingers),
// check that only one finger was used
if ( fingerCount == 1 ) {
// get the coordinates of the touch
startX = event.touches[0].pageX;
startY = event.touches[0].pageY;
// store the triggering element ID
triggerElementID = passedName;
} else {
// more than one finger touched so cancel
touchCancel(event);
}
}
function touchMove(event) {
//event.preventDefault();
if ( event.touches.length == 1 ) {
curX = event.touches[0].pageX;
curY = event.touches[0].pageY;
} else {
touchCancel(event);
}
}
function touchEnd(event) {
//event.preventDefault();
// check to see if more than one finger was used and that there is an ending coordinate
if ( fingerCount == 1 && curX != 0 ) {
// use the Distance Formula to determine the length of the swipe
swipeLength = Math.round(Math.sqrt(Math.pow(curX - startX,2) + Math.pow(curY - startY,2)));
// if the user swiped more than the minimum length, perform the appropriate action
if ( swipeLength >= minLength ) {
caluculateAngle();
determineSwipeDirection();
processingRoutine();
touchCancel(event); // reset the variables
} else {
touchCancel(event);
}
} else {
touchCancel(event);
}
}
function touchCancel(event) {
// reset the variables back to default values
fingerCount = 0;
startX = 0;
startY = 0;
curX = 0;
curY = 0;
deltaX = 0;
deltaY = 0;
horzDiff = 0;
vertDiff = 0;
swipeLength = 0;
swipeAngle = null;
swipeDirection = null;
triggerElementID = null;
}
function caluculateAngle() {
var X = startX-curX;
var Y = curY-startY;
var Z = Math.round(Math.sqrt(Math.pow(X,2)+Math.pow(Y,2))); //the distance - rounded - in pixels
var r = Math.atan2(Y,X); //angle in radians (Cartesian system)
swipeAngle = Math.round(r*180/Math.PI); //angle in degrees
if ( swipeAngle < 0 ) { swipeAngle = 360 - Math.abs(swipeAngle); }
}
function determineSwipeDirection() {
if ( (swipeAngle <= 45) && (swipeAngle >= 0) ) {
swipeDirection = 'left';
} else if ( (swipeAngle <= 360) && (swipeAngle >= 315) ) {
swipeDirection = 'left';
} else if ( (swipeAngle >= 135) && (swipeAngle <= 225) ) {
swipeDirection = 'right';
}
/* else if ( (swipeAngle > 45) && (swipeAngle < 135) ) {
swipeDirection = 'down';
} else {
swipeDirection = 'up';
}*/
}
function processingRoutine() {
var swipedElement = document.getElementById(triggerElementID);
if ( swipeDirection == 'left' ) {
// REPLACE WITH YOUR ROUTINES
event.preventDefault();
swipedElement.style.backgroundColor = 'orange';
} else if ( swipeDirection == 'right' ) {
// REPLACE WITH YOUR ROUTINES
event.preventDefault();
swipedElement.style.backgroundColor = 'green';
}
/*else if ( swipeDirection == 'up' ) {
// REPLACE WITH YOUR ROUTINES
swipedElement.style.backgroundColor = 'maroon';
} else if ( swipeDirection == 'down' ) {
// REPLACE WITH YOUR ROUTINES
swipedElement.style.backgroundColor = 'purple';
}*/
}
//TOUCH-EVENTS单指滑动感应JAVASCRIPT
//由PADILICIOUS.COM和MACOSXAUTOMATION.COM提供
//此脚本可与一个或多个页面元素一起使用,以执行基于单指滑动的操作
var triggerElementID=null;//此变量用于标识触发元素
var-fingerCount=0;
var startX=0;
var-startY=0;
var-curX=0;
var-curY=0;
增值税=0;
var-deltaY=0;
var-horzDiff=0;
var-vertDiff=0;
var minLength=72;//用户可以滑动的最短距离
var swipeLength=0;
var swipeAngle=null;
var swipeDirection=null;
//4个触摸事件处理程序
//注意:touchStart处理程序还应接收触发元素的ID
//确保在元素声明中放置的事件调用中传递其ID,如:
//
函数touchStart(事件,passedName){
//禁用选择触摸对象的标准功能
//event.preventDefault();
//获取触摸屏幕的手指总数
fingerCount=event.touchs.length;
//因为我们寻找的是一个滑动(单指)而不是一个手势(多指),
//检查是否只使用了一根手指
如果(fingerCount==1){
//获取触摸的坐标
startX=event.touchs[0].pageX;
startY=event.touchs[0].pageY;
//存储触发元素ID
triggerElementID=passedName;
}否则{
//多个手指被触碰,所以取消
触摸取消(事件);
}
}
功能触摸移动(事件){
//event.preventDefault();
if(event.touchs.length==1){
curX=event.touchs[0].pageX;
curY=event.touchs[0].pageY;
}否则{
触摸取消(事件);
}
}
函数touchEnd(事件){
//event.preventDefault();
//检查是否使用了多个手指,以及是否有结束坐标
如果(fingerCount==1&&curX!=0){
//使用距离公式确定滑动的长度
swipeLength=Math.round(Math.sqrt(Math.pow(curX-startX,2)+Math.pow(curY-startY,2));
//如果用户刷卡超过最小长度,请执行相应的操作
如果(瑞士长度>=最小长度){
caluculateAngle();
确定方向();
处理例程();
touchCancel(事件);//重置变量
}否则{
触摸取消(事件);
}
}否则{
触摸取消(事件);
}
}
功能触摸取消(事件){
//将变量重置回默认值
指数=0;
startX=0;
startY=0;
curX=0;
curY=0;
deltaX=0;
deltaY=0;
horzDiff=0;
vertDiff=0;
swipeLength=0;
swipeAngle=null;
swipeDirection=null;
triggerElementID=null;
}
函数caluculateAngle(){
var X=startX curX;
var Y=curY startY;
var Z=Math.round(Math.sqrt(Math.pow(X,2)+Math.pow(Y,2));//距离-四舍五入-以像素为单位
var r=Math.atan2(Y,X);//以弧度表示的角度(笛卡尔坐标系)
swipeAngle=Math.round(r*180/Math.PI);//角度(度)
如果(swipeAngle<0){swipeAngle=360-Math.abs(swipeAngle);}
}
函数determineSwipeDirection(){
如果((旋转角度=0)){
swipeDirection='左';
}否则如果((旋转角度=315)){
swipeDirection='左';
}如果((旋转角度>=135)和&(旋转角度45)和&(旋转角度<135))出现其他情况{
swipeDirection=‘向下’;
}否则{
swipeDirection=‘向上’;
}*/
}
函数处理例程(){
var swipedElement=document.getElementById(triggerElementID);
如果(swipeDirection=='left'){
//用你的常规来代替
event.preventDefault();
swipedElement.style.backgroundColor='橙色';
}else if(swipeDirection=='right'){
//用你的常规来代替
event.preventDefault();
swipedElement.style.backgroundColor='绿色';
}
/*else if(swipeDirection=='up'){
//用你的常规来代替
swipedElement.style.backgroundColor='maroon';
}else if(swipeDirection=='down'){
//用你的常规来代替
swipedElement.style.backgroundColor='紫色';
}*/
}
代码不包括区块移动(事件)
但我很高兴