// shoppingcart.js var isIe=(window.ActiveXObject)?true:false; var pageLinkUrl=""; var ajaxUrl=""; function showElementById(id) { document.getElementById(id).style.display=""; } function hideElementById(id) { document.getElementById(id).style.display="none"; } function showvolumediscount(pid) { var theid="volumediscount"; theid = theid + pid; document.getElementById(theid).style.display=""; var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcessShowDiscount(xmlHttp, pid)}; xmlHttp.open("Get","dis_show.php?productId=" + pid); xmlHttp.send(null); } function AfterProcessShowDiscount(xmlHttp, PID) { if(xmlHttp.readyState==4) { if(xmlHttp.status==200) { var backValue=xmlHttp.responseText; var start = backValue.indexOf("") + 6; var end = backValue.indexOf(""); var textcontent = backValue.substring(start, end); // alert(textcontent); if(!checkErrorFromBackValue(backValue)) { return; } document.getElementById("volumediscount"+PID).innerHTML=textcontent; } } } function hidevolumediscount(pid) { var theid="volumediscount"; theid = theid + pid; document.getElementById(theid).style.display="none"; } function CookieEnable() { var result=false; if(navigator.cookiesEnabled) return true; document.cookie = "testcookie=yes;"; var cookieSet = document.cookie; if (cookieSet.indexOf("testcookie=yes") > -1) result=true; document.cookie = ""; return result; } function shownews(info1) { win_titleshow.style.display='block' win_titleshow.style.left=event.x+document.body.scrollLeft-win_titleshow.width+180; win_titleshow.style.top=event.y+document.body.scrollTop+20; title_info.innerHTML="Description:"+info1 } function checkupdate(o) { if(isNaN(document.forms[o.id].Quantity.value)) { alert("Your input is not a number!"); document.forms[o.id].Quantity.focus(); return false; } return true; } function changeBar(type,UserID,ProductID,obj) { var txtC=null; var change=0; if(type=='+') { txtC=obj.previousSibling.previousSibling.previousSibling.previousSibling; change=1; } if(type=='-') { txtC=obj.nextSibling.nextSibling; change=-1; } var num=parseInt(txtC.value); if(num+change<0) { // alert('您输入的数字已经超出的最小值'); return; } //alert(txtC.id); txtC.value=num+change; changeProductQuantity(UserID, ProductID, txtC.value); //if(skuType=='gift')changeGiftCount(skuId,txtC); //if(skuType=='suit')changeSuitCount(skuId,txtC); } function loadCart(userId) { var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcess(xmlHttp)}; xmlHttp.open("Get","cartajax.php?action=loadCart&UserID="+userId); xmlHttp.send(null); } function removeProduct(userId, productId) { var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcess(xmlHttp)}; xmlHttp.open("Get","cartajax.php?action=removeProduct&UserID="+userId+"&ProductID="+productId); xmlHttp.send(null); } //除去两边空格 function trim(string) { return string.replace(/(^\s*)|(\s*$)/g, ""); } function isdigit(s) { var r,re; re = /\d*/i; //\d表示数字,*表示匹配多个数字 r = s.match(re); return (r==s)?1:0; } //更改商品数量 function changeProductQuantity(userId, productId, number) { //判断number是否数值类型 //if(isNaN(trim(number))) var checkInt = isdigit(trim(number)); if (checkInt == false) { var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcess(xmlHttp,1,productId)}; xmlHttp.open("Get","cartajax.php?action=loadCart&UserID="+userId); xmlHttp.send(null); return false; } //判断为number为空的情况，等待两秒要求用户输入 if (!trim(number)) { window.setTimeout("WaitInput('"+userId+"','"+productId+"');", 2000); return false; } //判断为0的情况,提示用户数值必须大于0 if(parseInt(number)==0) { WaitInput(userId, productId); //removeProduct(userId, productId); return; } // obj.disabled=true; var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcess(xmlHttp,"",productId)}; xmlHttp.open("Get","cartajax.php?action=changeProductQuantity&UserID="+userId+"&ProductID="+productId+"&Quantity="+number); xmlHttp.send(null); } //等待输入时的处理 function WaitInput(userId, productId) { document.getElementById("err"+productId).style.display=''; var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){AfterProcess(xmlHttp,2,productId)}; xmlHttp.open("Get","cartajax.php?action=loadCart&UserID="+userId); xmlHttp.send(null); } function AfterProcess(xmlHttp,err,productId) { if(xmlHttp.readyState==4) { if(xmlHttp.status==200) { var backValue=xmlHttp.responseText; if(!checkErrorFromBackValue(backValue)) { return; } // alert(backValue); // Change the contents in the cart document.getElementById("cart-content").innerHTML=backValue; //如果输入类型错误，此处红色信息提示 if (err) { if (err==2) document.getElementById("err"+productId).innerHTML='QTY must be larger than 0'; else document.getElementById("err"+productId).innerHTML='Incorrect number'; document.getElementById("err"+productId).style.display=''; //document.getElementById('Quantity'+productId).focus(); } //保证光标在输入框内 if (productId) { window.setTimeout("document.getElementById('Quantity"+productId+"').focus();", 50) ; window.setTimeout("KeepFocusRight('"+productId+"');", 50) ; } } } } //保证光标总在文字右方 function KeepFocusRight(productId) { document.getElementById('Quantity'+productId).value = document.getElementById('Quantity'+productId).value; } //ajax通用方法 function createXmlHttp(){ var ajaxObj=null; if(window.ActiveXObject) { ajaxObj=new ActiveXObject("Microsoft.XMLHTTP"); }else{ if(window.XMLHttpRequest){ ajaxObj=new XMLHttpRequest(); } } return ajaxObj; } function setAjax_getRes(requst,resObjId) { setAjax("GET",requst,null,false,null,resObjId,null); } function setAjax_runCode(requst,runCode) { setAjax("GET",requst,null,false,null,null,runCode); } function setAjax_runCodeAndBtn(requst,curBtn,runCode) { setAjax("GET",requst,null,false,curBtn,null,runCode); } function setAjax_getResAndRunCode(requst,resObjId,runCode) { setAjax("GET",requst,null,false,null,resObjId,runCode); } function setAjax(postType,requst,postXml,isXml,curBtn,resObjId,runCode) { setAjaxBase(postType,requst,postXml,isXml,curBtn,resObjId,runCode,null); } function setAjaxBase(postType,requst,postXml,isXml,curBtn,resObjId,runCode,onOverRunCode) { if(curBtn!=null){curBtn.disabled=true;} var xmlHttp=createXmlHttp(); xmlHttp.onreadystatechange=function(){backAjaxValue(xmlHttp,curBtn,resObjId,runCode,onOverRunCode)}; if(postType=="GET"){ xmlHttp.open(postType,pageLinkUrl+ajaxUrl+'?roid='+Math.random()+'&'+requst); xmlHttp.send(null); }else { xmlHttp.open(postType,pageLinkUrl+ajaxUrl+'?roid='+Math.random()+'&'+requst,true); if(!isXml){xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");} xmlHttp.send(postXml); } } function backAjaxValue(xmlHttp,curBtn,resObjId,runCode,onOverRunCode) { if(xmlHttp.readyState==4) { clearWaitInfo(); if(curBtn!=null){curBtn.disabled=false;} if(onOverRunCode!=null)eval(onOverRunCode); if(xmlHttp.status==200) { var backValue=xmlHttp.responseText; if(!checkErrorFromBackValue(backValue)) { return; } if(resObjId!=null && g(resObjId)!=null) { g(resObjId).innerHTML=xmlHttp.responseText; } if(runCode!=null) { var backValue=xmlHttp.responseText; eval(runCode);} } } } function checkErrorFromBackValue(bakValue) { if(bakValue!=null) { if(bakValue.indexOf('error_')==0) { if(bakValue.length>6) {bakValue=bakValue.substr(6);} else{bakValue='There is an error, please try again！';} alert(bakValue); return false; } return true; } return true; } function showProcess() { document.getElementById("main-content").innerHTML=''; document.getElementById("gocheckout").submit(); }