var startx, starty, endx, endy, moveX, moveY, seatX, seatY; var clickState = false; //獲取輸入框dom元素 var text = document.forms[“form”]; //設置樣式 function setCss(obj) { var cssStr = “z-index:5;width:37px;height:37px;position:absolute;left:” + seatX + ‘px;top:' + seatY + ‘px;'; //將樣式添加到div上，顯示div obj.style.cssText = cssStr;}//計算位置 function setPosition(obj) { if (obj == ‘left') { seatX = text.offsetLeft - 37; //橫坐標 } else { seatX = text.offsetLeft + text.offsetWidth; //橫坐標 } seatY = (text.offsetTop + text.offsetHeight) / 2; //縱坐標 } //創建DIV function createDiv(obj) { //首先創建div var descDiv = document.createElement(‘div'); document.body.appendChild(descDiv); //給div設置樣式，比如大小、位置 setPosition(obj); setCss(descDiv); descDiv.innerHTML = ”; descDiv.id = obj; descDiv.style.display = ‘block'; addElementImg(descDiv.id); } //添加IMG function addElementImg(obj) { var div = document.getElementById(obj); //添加 img var img = document.createElement(“img”); //設置 img 屬性，如 id img.setAttribute(“id”, “newImg”); //設置 img 圖片地址 img.src = “/Themes/TheThemeMachine/Images/” + obj + “.png”; div.appendChild(img); } //刪除DIV function removeDiv(obj) { var el = document.getElementById(obj); el.parentNode.removeChild(el); } //移動DIV function moveDiv(obj, movex) { if (Math.abs(movex) < 37) { var div = document.getElementById(obj); setPosition(obj); seatX = seatX + movex; setCss(div); } } //根據位移改變DIV的位置 function reductionDiv(obj) { var div = document.getElementById(obj); setPosition(obj); setCss(div); } //計算移動坐標 function calculationMoveCoordinate() { moveX = endx - startx; moveY = Math.abs(endy - starty); if (moveX > 0) moveDiv(“left”, moveX); else moveDiv(“right”, moveX); } //判斷是否是PC端 function IsPC() { var userAgentInfo = navigator.userAgent; var Agents = new Array(“Android”, “iPhone”, “SymbianOS”, “Windows Phone”, “iPad”, “iPod”); var flag = true; for (var v = 0; v < Agents.length; v++) { if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; } } return flag; } //PC端鼠標按下 function click() { clickState = true; startx = event.clientX; starty = event.clientY; } //PC端鼠標移動 function pull() { if (1 == event.which) //判斷左鍵是否按下 { endx = event.clientX; endy = event.clientY; calculationMoveCoordinate(); } } //PC端和移動端位移結束 function stopClick() { if (Math.abs(moveX) > 37 && moveY < 20) { if (moveX < 0) { history.Go(1); } else { history.go(-1); } } else { reductionDiv(“left”); reductionDiv(“right”); } } ////移動端注冊事件 document.addEventListener(‘touchmove', function (event) { event.preventDefault(); }, false); //touchstart事件 function touchSatrtFunc(evt) { //evt.preventDefault(); //阻止觸摸時瀏覽器的縮放、滾動條滾動等 var touch = evt.touches[0]; //獲取第一個觸點 startx = Number(touch.pageX); //頁面觸點X坐標 starty = Number(touch.pageY); //頁面觸點Y坐標 }//touchmove事件，這個事件無法獲取坐標 function touchMoveFunc(evt) { //evt.preventDefault(); //阻止觸摸時瀏覽器的縮放、滾動條滾動等 var touch = evt.touches[0]; //獲取第一個觸點 endx = Number(touch.pageX); //頁面觸點X坐標 endy = Number(touch.pageY); //頁面觸點Y坐標 calculationMoveCoordinate(); }//touchend事件 function touchEndFunc(evt) { //evt.preventDefault(); //阻止觸摸時瀏覽器的縮放、滾動條滾動等 stopClick(); }//加載 if (IsPC()) { document.onmousedown = click; document.onmousemove = pull; document.onmouseup = stopClick; } else { document.addEventListener(‘touchstart', touchSatrtFunc, false); document.addEventListener(‘touchmove', touchMoveFunc, false); document.addEventListener(‘touchend', touchEndFunc, false); } createDiv(‘left'); createDiv(‘right');