Home >Web Front-end >JS Tutorial >Use native js to encapsulate webapp sliding effects (inertial sliding, sliding rebound)_javascript skills

Use native js to encapsulate webapp sliding effects (inertial sliding, sliding rebound)_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:49:412499browse

PC mobile terminal compatible with IE 6.0, FF 1.5, Safari 2.0, Opera 9.0 Inertial assist, sliding rebound

Facade Mode

Copy code The code is as follows:

window.onload = function() {
 /*测试数据*/
 var insert = '';
 for (var i = 0; i < 80; i++) {
insert += '
滑动测试 ' + i + '
';
 }
 document.getElementById("moveArea").innerHTML = insert;
 /*测试数据   */
 var at = new appTouch({
  tContain : 'appArea', //必选:滑动区域id
  tMove : 'moveArea', //必选:移动区域id
  tScroller : 'scroller', //必选:自定义滚动条
  tScrollerArea : 'scrollerArea'//必选:滚动条区域
 }, onmoveend);
 //到顶/底回调
 function onmoveend(m) {
  //console.log(m);
 }

}
/*=====================
 * 名称: appTouch
 * 功能: web app滑动模拟组件
 * 参数: 相关配置
 ======================*/
var appTouch = function(config, callback) {
 this.touchContain = config.tContain;
 this.touchMove = config.tMove;
 this.touchScroller = config.tScroller;
 this.touchScrollerArea = config.tScrollerArea;
 this.callbackfn = callback;
 this.move();
}

appTouch.prototype = {
 move : function(e) {
  var monitor = document.getElementById(this.touchContain), //监听容器
  target = document.getElementById(this.touchMove), //移动目标
  scroller = document.getElementById(this.touchScroller), //自定义滚动条
  scrollerArea = document.getElementById(this.touchScrollerArea), //滚动条区域
  sheight = monitor.offsetHeight / target.offsetHeight * monitor.offsetHeight, //自定义滚动条的长度
  st = (target.offsetHeight - monitor.offsetHeight) / (monitor.offsetHeight - sheight), //移动块对应滚轮单位长度
  tslow = 4, //到顶/底减基数
  tMove = 0, //滑块到顶top值
  tMoveL = tMove + 140, //到顶允许下拉范围
  bMove = monitor.offsetHeight - target.offsetHeight, //滑块到底top值
  bMoveL = bMove - 140, //到底允许上滑范围
  callbackfn = this.callbackfn, //回调函数
  flg = false, //标记是否滑动
  startY, //标记起始位置
  startTop, //标记滑动起始时的高度值
  move = 0;
  //移动距离
  //鼠标事件注册
  addEvent(monitor, 'mousedown', moveStart);
  addEvent(monitor, 'mousemove', moveIn);
  addEvent(monitor, 'mouseup', moveEnd);
  addEvent(window, 'mousemove', moveIn);
  addEvent(window, 'mouseup', moveEnd);
  //移动设备触摸事件注册
  addEvent(monitor, 'touchstart', moveStart);
  addEvent(monitor, 'touchmove', moveIn);
  addEvent(monitor, 'touchend', moveEnd);
  /**
   *外观/门面模式包装
   */
  /*事件监听 */
  function addEvent(el, type, fn) {
   if (el.addEventListener) {
    el.addEventListener(type, fn, false);
   } else if (el.attachEvent) {
    el.attachEvent('on' + type, fn);
   } else {
    el['on' + type] = fn;
   }
  }

  //取消浏览器默认行为
  function stop(e) {
   //Opera/Chrome/FF
   if (e.preventDefault)
    e.preventDefault();
   //IE
   e.returnValue = false;
  }

  //包装结束
  /**
   *操作函数
   */
  //惯性缓动参数
  var lastMoveTime = 0;
  var lastMoveStart = 0;
  var stopInertiaMove = false;
  /*移动触发*/
  function moveStart(e) {
   stop(e);
   flg = true;
   if (e.touches)
    e = e.touches[0];
   startY = e.clientY;
   startTop = target.style.top || 0;
   //惯性缓动
   lastMoveStart = startY;
   lastMoveTime = new Date().getTime();
   stopInertiaMove = true;
   scrollerArea.style.visibility = 'visible';

  }

  /*移动过程中*/
  function moveIn(e) {
   if (flg) {
    stop(e);
    if (e.touches)
     e = e.touches[0];
    move = e.clientY - startY + parseInt(startTop);
    if (move > tMove) {
     (move - tMove) / tslow + tMove > tMoveL ? move = tMoveL : move = (move - tMove) / tslow + tMove

} else if (move < bMove)
(move - bMove) / tslow bMove < bMoveL ? move = bMoveL : move = (move - bMove) / tslow bMove;
target.style.top = move 'px';
scroller.style.top = -move / st 'px';
//Inertia easing
var nowTime = new Date().getTime();
stopInertiaMove = true;
if (nowTime - lastMoveTime > 300) {
lastMoveTime = nowTime;
lastMoveStart = e.clientY;
}
}
}

/*Move end*/
function moveEnd(e) {
stop(e);
if (e.touches)
e = e.touches[0];
//Inertial easing
var contentTop = target.style.top.replace('px', '');
var contentY = (parseInt(contentTop) e.clientY - lastMoveStart);
var nowTime = new Date().getTime();
var v = (e.clientY - lastMoveStart) / (nowTime - lastMoveTime);
//Finger swipe speed in the last period
stopInertiaMove = false;
(function(v, startTime, contentY) {
var dir = v > 0 ? -1 : 1;
//Acceleration direction
var deceleration = dir * 0.005;
function inertiaMove () {
if (stopInertiaMove)
return;
var nowTime = new Date().getTime();
var t = nowTime - startTime;
var nowV = v t * deceleration;
var moveY = (v nowV) ​​/ 2 * t;
// The change in speed direction indicates that the speed has reached 0
if (dir * nowV > 0) {
if (move > tMove ) {
callbackfn('To the top');
target.style.top = tMove 'px';
scroller.style.top = tMove 'px';
} else if (move < ; bMove) {
callbackfn('end');
target.style.top = bMove 'px';
scroller.style.top = -bMove / st 'px';
}
setTimeout(function() {
if (!stopInertiaMove)
scrollerArea.style.visibility = 'hidden';
}, 4000);
return;
}
move = contentY moveY;
if (move > tMove) {
t /= 20;
move = (move - tMove) / 10 tMove;
} else if (move < bMove) {
t /= 20;
move = (move - bMove) / 10 bMove;
}
target.style.top = move "px";
scroller.style.top = -move / st 'px';
setTimeout(inertiaMove, 10);
}

inertiaMove();
})(v, nowTime, contentY);
move = 0;
flg = false;
}

//Operation ends
/**
*Related initialization
*/
//Scroll bar length initialization
scroller.style.height = sheight 'px';
//Initialization ends

},
otherInteract : function() {
//Other function expansion
}
}

IE hack css

Copy code The code is as follows:

body,html {background-color:#333; margin: 0; height: 100%; line-height: 2.0; font-family: 'Microsoft YaHei'; overflow-y:hidden;}
#contain{margin: 0 auto; position:relative; width: 100%; max-width: 480px; _width: 480px; height: 100%; cursor: pointer !important;}
#appArea{position: absolute; width: 100%; height: 100%; overflow: hidden;  background-color: #fff;}  
#topInfo{position: absolute;top: 60px;width: 100%; height:60px; text-align: center; font-size: 18px; }
#bottomInfo{position: absolute;bottom: 0;width: 100%;}
#scrollerArea{position: absolute; right: 0; width: 1.5%; height: 100%;visibility: hidden;}
#scroller{position: absolute; top:0; width: 100%;  background-color: #aaa;}
#moveArea{position: absolute; top:0px; width: 100%; background-color: #ddd;}

HTML代码

复制代码 代码如下:



 
  
  
  
  滑动回弹
  
  
 
 
  

   

    

     logo or animate
    

    

     some imformation  2014-4-28
    

    

    

     

    

   

  

  
 

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn