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@oblank
Created November 24, 2015 10:49
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ajax and history pushstate
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>test ajax and push state</title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
</head>
<body>
<ul>
<li><a data-id="1" href="javascript:;">访问1</a></li>
<li><a data-id="2" href="javascript:;">访问2</a></li>
<li><a data-id="3" href="javascript:;">访问3</a></li>
<li><a data-id="4" href="javascript:;">访问4</a></li>
<li><a data-id="5" href="javascript:;">访问5</a></li>
</ul>
<!--http://tpapi.tuishiben.com/groups_encrypt/services/rest/test/output?item_id=1-->
<div id="content">
ID: <span id="_id"></span><br>
DATE: <span id="date"></span><br>
TIME: <span id="time"></span><br>
</div>
<script type="text/javascript">
//historyState对象,提供push历史数据和获取历史数据方法。
//linkFly原创,引用请注明出处,谢谢
var historyState = {
checkCanPush: function () {
/// <summary>
/// 检测浏览器是否支持pushState方法
/// </summary>
/// <returns type="Boolean" />
if (window.history.pushState)
return true;
return false;
},
pushState: function (data, url) {
/// <summary>
/// 状态保持方法(需要高版本浏览器支持),当canPush为true的时候表示浏览器可以进行push状态,则进行状态push并返回是否成功
/// &#10; 1.1 - pushState(data,url) 将指定的data,和url push到浏览器会话历史进行状态保持【注意Url不允许跨域】
/// </summary>
/// <param name="url" type="String">
/// 需要写入浏览器会话历史的url
/// </param>
/// <returns type="Boolean" />
if (historyState.checkCanPush()) {
//注意data虽然可以保存数据,但是不能保存仍然引用着当前页面元素的对象,例如$("DOM")这样一个对象,就会出现ObjectCloneError
window.history.pushState(data, document.title, url);
return true;
}
return false;
},
getUrlParameter: function (fieldName) {
/// <summary>
/// 1: 获取地址栏参数方法
/// &#10; - getUrlParameter(fieldName) - 在当前Url中查询指定的参数,返回查询得到的值,当不支持pushState或没有查询到参数的时候返回空字符串
/// </summary>
/// <param name="fieldName" type="String">
/// 要查询的字符串
/// </param>
/// <returns type="String" />
if (historyState.checkCanPush()) {
var urlString = document.location.search;
if (urlString != null) {
var typeQu = fieldName + "=";
var urlEnd = urlString.indexOf(typeQu);
if (urlEnd != -1) {
var paramsUrl = urlString.substring(urlEnd + typeQu.length);
var isEnd = paramsUrl.indexOf('&');
if (isEnd != -1) {
return paramsUrl.substring(0, isEnd);
}
else {
return paramsUrl;
}
}
else {
return "";
}
}
else {
return "";
}
} else {
return '';
}
}
}
var url = {
getUrlParameter: function getUrlParameter(sParam) {
var sPageURL = decodeURIComponent(window.location.search.substring(1)),
sURLVariables = sPageURL.split('&'),
sParameterName,
i;
for (i = 0; i < sURLVariables.length; i++) {
sParameterName = sURLVariables[i].split('=');
if (sParameterName[0] === sParam) {
return sParameterName[1] === undefined ? true : sParameterName[1];
}
}
}
}
$("li a").click(function(){
_this = $(this);
item_id = _this.attr("data-id");
actionWithId(item_id, false)
});
window.addEventListener('popstate', function(e){
if (history.state){
console.log("popstate:" + e.state );
var state = e.state; //do something(state.url, state.title);
actionWithId(e.state.item_id, true);
}
}, false);
function actionWithId(item_id, isHistory) {
// if isHistory is set, maybe you want to tell server with header
// such as: setRequestHeader('HISTORY-CALL', 'true')。
url = "http://xxxx.com/services/rest/test/output?callback=callback&item_id=" + item_id;
$.ajax({
url: url,
jsonp: "callback",
dataType: "jsonp",
success: function( data ) {
$("#_id").html(item_id);
$("#date").html(data.date);
$("#time").html(data.time);
if (!isHistory) {
historyState.pushState({ item_id: item_id }, window.location.pathname + '?item_id=' + item_id);
}
console.log(data);
}
});
}
// window.onload = function () {
// //写入历史会话
// historyState.pushState({ pageIndex: 1 }, window.location.pathname + '?item_id=1');
// //获取历史会话的数据(获取url的参数数据)
// var pageIndex = historyState.getUrlParameter('pageIndex'); //进行数据还原操作..
// }
$(function(){
//通过jQuery.trigger()方法触发 //或者自己手写js触发,具体代码这里就不贴了...
$(window).trigger("hashchange");
item_id = url.getUrlParameter("item_id");
actionWithId(item_id, false);
});
</script>
</body>
</html>
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