使用方法：
1 除了layer的success，end，cancel回掉函数以外其它的layer参数都可以使用。
2 使用前在layer的js后边把该js引入（可以命名为layerExtend）。
3 layerExtend中只包含一个endHandle回掉方法并且有一个data参数，用于关闭当前弹出层并给上一个弹层回传值。
4 当前弹层给上一个弹层设置值只需要在触发事件时调用zlayer.returnData("你的回传值"); 而上一个弹出层取值时只需要使用endHandle中的data参数即可。
5 例如：
$("#btn1").click(function () {
zlayer.open({
content: "test2.html",
isRefresh: true,//是否刷新上及页面
endHandle: function (data) {
$("#div1").html(data); //接收回传值后的处理
}
});
});完整插件代码：（有兴趣的可以看下Zlayer和zlayer在不同的场景有何不同）
/*!
@Name：layerExtend辅助弹层
@Author：ZZQ
*/
; window.Zlayer = (function () {
"use strict";
var _dataMap = {}, _indexArray = [], _refresh = 0 & 1, _inputParamsArray = [],
refreshParent = function () {
_refresh = 1;
},
_checkNullObject = function (obj) {
if (typeof obj === "object" && !(obj instanceof Array)) {
var hasProp = 0;
for (var prop in obj) {
hasProp = 1; break;
}
if (!!hasProp) return 0; return 1;
}
},
_pop = function (array) {
var _ret = _indexArray.pop();
if (typeof (_ret) == "undefined") throw "dataArray remove item fail!"; return _ret;
},
_saveMetaData = function (layero, index) {
if (_indexArray.indexOf(index) != -1) return;
_indexArray.push(index);
_dataMap[_indexArray[_indexArray.length - 1]] = { "backData": null, "currDiv": layero };
},
_postData = function (params) {
_inputParamsArray.push(params);
},
returnData = function (data) {
_dataMap[_indexArray[_indexArray.length - 1]].backData = data;
},
getInputParams = function () {
return _inputParamsArray[_inputParamsArray.length - 1];
},
open = function (options) {
options = options || {};
if (!!_checkNullObject(options)) throw "open Function input is empty object!";
_postData(!!options.inputParams && options.inputParams || null);
!options.title && delete options.title;
delete options.success;
delete options.end;
delete options.cancel;
var _layerOptions = {
type: 2,
title: "...",//input
content: "",//input
area: ['900px', '500px'],//input
maxmin: 0,
zIndex: layer.zIndex,
isRefresh: 0,//input
shadeClose: 0,
success: function (layero, index) {//index不是连续的
_saveMetaData(layero, index);
},
end: function () {
if (_indexArray.length <= 0) {
options.endHandle(-1);
return;
}
var _ret = _pop(_indexArray);
!!_refresh && (options.isRefresh = 1);
_inputParamsArray.pop();
options.endHandle(_dataMap[_ret].backData);//如果没有设置需要的层级返回值则返回空串
delete _dataMap[_ret];
if (!!options.isRefresh) {
if (_indexArray.length > 0) {
$(_dataMap[_indexArray[_indexArray.length - 1]].currDiv).find("iframe").get(0).contentWindow.location.reload();
_pop(_indexArray);
} else window.location.reload();
}
_refresh = 0 & 1;
},
cancel: function () { }
};
$.extend(_layerOptions, options);
layer.open(_layerOptions);
},
openCompatible = function (title, content, width, height, inputParams, isRefresh, callBack) {
var _tmpOptions = {
title: title,//input
content: content,//input
area: [width, height],//input
isRefresh: isRefresh,//input
inputParams: inputParams,//input
endHandle: callBack
};
open(_tmpOptions);
},
findTopIframe = function () {
var curr = self,
iframeObj = curr;
while (curr != window.top) {
iframeObj = curr;
curr = curr.parent;
}
return iframeObj.Zlayer;
},
close = function () {
layer.close(_indexArray[_indexArray.length - 1]);
},
exit = function () {
$(_dataMap[_indexArray[_indexArray.length - 1]].currDiv).find("span").find("a").click();
};
return {
refreshParent: refreshParent,
target: findTopIframe,
open: open,
exit: exit,
close: close,
ShowModelDialog: openCompatible,
returnData: returnData,
getInputParams: getInputParams
};
})();
window.zlayer = Zlayer.target();