最近封装上瘾，想起以前做的一个轻巧的弹出框，是样式和脚本分离的，于是重新封装了一下，把样式标签统一到js里了。里面还有一些问题，但不影响使用，有兴趣的同学，可以参考完善下，有好的建议，请不吝赐教。

var PopDialogDefaultConfig = { hasCover: true, //是否带遮罩层 colorOfCover: "#000", //遮罩层颜色 transparencyOfCover: 80, //遮罩层透明度（alpha值,opacity值通过换算得到） borderColor: "blue", //边框标题背景颜色 titleHeight: 50, //标题高度 titleFont: '24px "Microsoft Yahei"', //标题字体 titleFontSize: 24, //标题文字大小 titleColor: "white", //标题文字颜色 titleFontFamily: "Microsoft Yahei", //标题字体 contentWidth: 560, //内容框宽度 contentHeight: 480, //内容框的高度 borderWidth: 2, //边框宽度 backColor: "#EC90F6", //背景色 serial: 1, //序列号 moveAble: true, //是否可以鼠标拖动 /* * 配置文件合并 */ Merge: function (newConfig) { var result = {}; for (var p in this) { result[p] = this[p]; if (typeof (this[p]) != " function ") { for (var q in newConfig) { if (p == q) { result[p] = newConfig[q]; } } } } return result; }};function PopDialog(content, title, obj, popDialogConfig) { content = content || "这里什么都没有!"; title = title || "提示"; obj = obj || $(document.body); var dialog = new Object; /* * 弹出框的默认样式 */ var config = PopDialogDefaultConfig.Merge(popDialogConfig); /* * 根据配置文件和弹出对象，取得弹出框的html串; */ if (!obj.id) { obj.id = "pop" + config.serial; PopDialogDefaultConfig.serial++; } var opacity = (100 - config.transparencyOfCover) / 100; var width = config.contentWidth + config.borderWidth * 2; var height = config.contentHeight + config.borderWidth + config.titleHeight; dialog.Html = '' + '' + ' ' + ' ' + (title || "提示") + '' + ' X' + ' ' + ' ' + ' ' + content + '' + ' ' + ''; dialog.Config = config; dialog.PopDom = $(dialog.Html); dialog.x = dialog.x1 = dialog.y = dialog.y1 = dialog.mousekey = 0; /* * 鼠标拖动弹出框 */ if (config.moveAble) { var top = dialog.PopDom.find("#" + obj.id + "_Top"); top.on("mousedown", function (event) { dialog.mousekey = 1; $(this).css("cursor", "move"); dialog.PopDom.find("#" + obj.id + "_Content").css("display", "none"); }); top.on("mouseup", function (event) { dialog.mousekey = 0; $(this).css("cursor", "default"); dialog.PopDom.find("#" + obj.id + "_Content").css("display", ""); }); top.on("mouseout", function (event) { dialog.mousekey = 0; $(this).css("cursor", "default"); dialog.PopDom.find("#" + obj.id + "_Content").css("display", ""); }); top.on("mousemove", function (event) { if (dialog.mousekey == 1) { if (dialog.x != 0 || dialog.y != 0) { dialog.x = event.pageX - dialog.x1; dialog.y = event.pageY - dialog.y1; var parent = $(this.parentElement); parent.css("left", (parent.position().left + dialog.x) + "px"); parent.css("top", (parent.position().top + dialog.y) + "px"); dialog.x = dialog.x1 = event.pageX; dialog.y = dialog.y1 = event.pageY; } else { dialog.x = dialog.x1 = event.pageX; dialog.y = dialog.y1 = event.pageY; } } else { dialog.x = dialog.x1 = dialog.y = dialog.y1 = 0; } return false; }); } return dialog;};/* * 拓展jquery对象的方法; */(function ($) { /* * 关闭弹出框的方法 */ $.fn.ClosePopDialog = function () { var obj = this; while (obj) { var popdialog = $("#" + this.id + "_Dialog"); if (popdialog) { popdialog.remove(); } var popcover = $("#" + this.id + "_Cover"); if (popcover) { popcover.remove(); } obj = obj.parent; } }; /* * 根据url取得内容并弹出框显示的方法 * url: 需要显示的内容的url * popDialogConfig： 自定义样式 * Example: $(document.body).PopDialog("/home/login", { backColor: "gray", borderColor: "blue", borderWidth: 2, contentWidth: 600, contentHeight: 480 }); */ $.fn.PopDialogByUrl = function (url, title, popDialogConfig) { var obj = $(this); obj.ClosePopDialog(); if (url) { $.ajax({ url: url, cache: false, success: function (result) { if (result == "[]" || result == "") { result = "系统忙，请稍后再试！"; } var pop = new PopDialog(result, title, this, popDialogConfig); obj.append(pop.PopDom); }, error: function (result) { if (result == "[]" || result == "") { result = "系统错误，请联系管理员！"; } var pop = new PopDialog(result, title, this, popDialogConfig); obj.append(pop.PopDom); } }); } }; /* * 弹出框显示提供的内容的方法 * content: 需要显示的内容 * popDialogConfig： 自定义样式 * Example: $(document.body).PopDialog("这是一个弹出框的例子！", { backColor: "gray", borderColor: "blue", borderWidth: 2, contentWidth: 600, contentHeight: 480 }); */ $.fn.PopDialogByContent = function (content, title, popDialogConfig) { var obj = $(this); obj.ClosePopDialog(); var pop = new PopDialog(content, title, this, popDialogConfig); obj.append(pop.PopDom); };})(jQuery);