Jquery easyui模拟浏览器前进后退查看历史浏览网页

/**
* 打开窗口的简化
*/
function easyuiWinNew(settings, level, tools) {
if (!level) {
level = 1;
}
var defaultSetting = {
title : "new Title",
modal : true,
resizable : false,
minimizable : false,
maximizable : false,
collapsible : false,
shadow : false,
closed : true,
width : 675,
height : 560,
onClose : function() {
var options = $("#easyuiwin" + level).window("options");
$("#easyuiwin" + level).window("destroy", true);
if (!$("#easyuiwin" + level).get(0)) {
$("<div id='easyuiwin" + level + "'></div>").appendTo("body")
.window(options);
} else {
$("#easyuiwin" + level).window(options);
}
// 将相应的保存的信息删除
}
};
if (tools) {
$.extend(defaultSetting, {
tools : [{
iconCls : "icon-goback",
handler : function() {
easyuiWinBack(level);
}
}, {
iconCls : "icon-goforward",
handler : function() {
easyuiWinPre(level);
}
}, {
iconCls : "icon-history",
handler : function(event) {
var his_menu = $("<div style='width:150px;'></div>");
var his_setting = $("#easyuiwin" + level)
.data("easyuiWinPageSetting");
for (var i = 0; i < his_setting.length; i++) {
his_menu
.append("<div onclick='easyui_win_his_menu_click(\""
+ his_setting[i].title
+ "\",\""
+ his_setting[i].href
+ "\",\""
+ level
+ "\")'>"
+ his_setting[i].title
+ "</div>");
}

// 展示历史记录
his_menu.menu({}).menu("show", {
left : event.pageX,
top : event.pageY
});
}
}]
});
}
$.extend(defaultSetting, settings);
$("#easyuiwin" + level).remove();
$("body").append("<div id=\"easyuiwin" + level + "\"></div>");
$("#easyuiwin" + level).window(defaultSetting).window("open");
// 存储第一次打开窗口的信息
$("#easyuiwin" + level).data("easyuiWinPageSetting",
new Array($.extend(settings, {
page : 1
})));
// 设置当前页
$("#easyuiwin" + level).data("easyuiWinCurrentPage", 1);
}
function easyui_win_his_menu_click(title, href, level) {
easyuiWinChange({
title : title,
href : href
}, level);
}
/**
* 跳转到某个页面，其中setting是
*/
function easyuiWinGo(setting, level) {
if (!level) {
level = 1;
}
easyuiWinChange(setting, level);
// 存储页面跳转信息
// 设置当前页
var currentPage = $("#easyuiwin" + level).data("easyuiWinCurrentPage") + 1;
$("#easyuiwin" + level).data("easyuiWinCurrentPage", currentPage);
// 保存配置
var beforeArray = $("#easyuiwin" + level).data("easyuiWinPageSetting");
beforeArray.push($.extend(setting, {
page : currentPage
}));
$("#easyuiwin" + level).data("easyuiWinPageSetting", beforeArray);
}

// 窗口关闭
function easyuiWinClose(level) {
if (!level) {
level = 1;
}
$("#easyuiwin" + level).window("close");
}

// 后退
function easyuiWinBack(level) {
var currentPgae = $("#easyuiwin" + level).data("easyuiWinCurrentPage");
var beforeArray = $("#easyuiwin" + level).data("easyuiWinPageSetting");
// alert("currentPgae:"+currentPgae+"
// beforeArray-length:"+beforeArray.length);
if ((currentPgae - 1) >= 1) {
for (var i = 0; i < beforeArray.length; i++) {
var beforePage = beforeArray[i];
if (beforePage.page == (currentPgae - 1)) {
// 设置当前页
$("#easyuiwin" + level).data("easyuiWinCurrentPage",
(currentPgae - 1));
// 页面跳转
easyuiWinChange(beforePage, level);
}
}
}
}
// 前进
function easyuiWinPre(level) {
var currentPgae = $("#easyuiwin" + level).data("easyuiWinCurrentPage");
var beforeArray = $("#easyuiwin" + level).data("easyuiWinPageSetting");
// alert("currentPgae:"+currentPgae+"
// beforeArray-length:"+beforeArray.length);
if ((currentPgae + 1) <= beforeArray.length) {
for (var i = 0; i < beforeArray.length; i++) {
var beforePage = beforeArray[i];
if (beforePage.page == (currentPgae + 1)) {
// 设置当前页
$("#easyuiwin" + level).data("easyuiWinCurrentPage",
(currentPgae + 1));
// 页面跳转
easyuiWinChange(beforePage, level);
}
}
}
}
/**
* 根据配置执行页面跳转 纯粹的执行页面的跳转
*/
function easyuiWinChange(setting, level) {
// 改变标题
if (setting.title) {
$("#easyuiwin" + level).window("setTitle", setting.title);
}
// 改变大小
if (setting.width && setting.height) {
$("#easyuiwin" + level).window("resize", {
width : setting.width,
height : setting.height
});
}
// 改变页面url
if (setting.href) {
$("#easyuiwin" + level).window("refresh", setting.href);
}
}

function easyuiWinRefresh(level) {
$("#easyuiwin" + level).window("refresh");
}