jquery封装了一个简洁轻巧的可拖动可自定义样式的纯div+css带遮罩层的仿模态弹出框

时间:2022-04-01 18:22:05

        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。


if (typeof jQuery === 'undefined') { throw 'no jquery'; }
(function () {
    window.PopDialog = window.PopDialog || {
        defaultConfig:{
            hasCover: true,                             //是否带遮罩层
            colorOfCover: "#000",                       //遮罩层颜色
            opacity: 20,                                //遮罩层透明度
            borderColor: "blue",                        //边框标题背景颜色
            titleHeight: 30,                            //标题高度
            titleFont: '18px "Microsoft Yahei"',        //标题字体
            titleFontSize: 18,                          //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
            seq: 0,                                     //序列号
            moveAble: true,                             //是否可以鼠标拖动
            callBack: null,                             //回调方法
        },
        mergeJsonObj: function (s, o) {
            var r = {};
            for (var p in s) {
                r[p] = s[p];
            }
            for (var q in o) {
                r[q] = o[q];
            }
            return r;
        },
        hToInt: function (c, n) {
            var s = c.toUpperCase(),
                i = s == 'A' ? 10
                  : s == 'B' ? 11
                  : s == 'C' ? 12
                  : s == 'D' ? 13
                  : s == 'E' ? 14
                  : s == 'F' ? 15
                  : parseInt(s, 10);
            return n == 0 ? i : i * 16;
        },
        getRGB: function (c) {
            var rgb = {}, c = c.replace('#', '');
            if (c.length == 3) {
                rgb.r = this.hToInt(c.substr(0, 1), 1) + this.hToInt(c.substr(0, 1), 0);
                rgb.g = this.hToInt(c.substr(1, 1), 1) + this.hToInt(c.substr(1, 1), 0);
                rgb.b = this.hToInt(c.substr(2, 1), 1) + this.hToInt(c.substr(2, 1), 0);
            } else {
                rgb.r = this.hToInt(c.substr(0, 1), 1) + this.hToInt(c.substr(1, 1), 0);
                rgb.g = this.hToInt(c.substr(2, 1), 1) + this.hToInt(c.substr(3, 1), 0);
                rgb.b = this.hToInt(c.substr(4, 1), 1) + this.hToInt(c.substr(5, 1), 0);
            }
            return rgb;
        },
        show: function (containner, content, title, config) {
            content = content || "这里什么都没有!";
            title = title || "提示";
            var dialog = new Object,
                c = dialog.config = this.mergeJsonObj(this.defaultConfig, config);
            c.id = 'pop_' + c.seq++;
            containner.attr("popIdx", c.id);
            var opacity  = c.opacity / 100,
                rgb      = this.getRGB(c.colorOfCover),
                width    = c.contentWidth + c.borderWidth * 2,
                height   = c.contentHeight + c.borderWidth + c.titleHeight;
            dialog.cover = $('<div  id="' + c.id + '_cover"   style="background-color: rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + opacity + ');width:100%;height:100%;position:absolute;top:0;left:0;"z-index:99999></div>');
            dialog.frame = $('<div  id="' + c.id + '_frame"   style="background-color:' + c.borderColor + ';position:fixed;width: ' + width + 'px;height: ' + height + 'px;top:calc(50% - ' + height / 2 + 'px);left:calc(50% - ' + width / 2 + 'px);"></div>');
            dialog.top   = $('<div  id="' + c.id + '_top"     style="background-color:' + c.borderColor + ';height:' + c.titleHeight + 'px;line-height:' + c.titleHeight + 'px;display:block;width:100%;clear:both;vertical-align:middle"></div>').appendTo(dialog.frame);
            dialog.title = $('<span id="' + c.id + '_title"   style="display:inline-block;font-size:' + c.titleFontSize + 'px;padding-left:10px;color:' + c.titleColor + ';">' + (title || "提示") + '</span>').appendTo(dialog.top);
            dialog.close = $('<a    id="' + c.id + '_close"   style="display:block;float:right;text-decoration: none;margin-right:10px;clear:right;color:white;font-size:' + c.titleHeight * 8 / 10 + 'px;" href="#">X</a>').appendTo(dialog.top);
            dialog.body  = $('<div  id="' + c.id + '_content" style="background-color:' + c.backColor + ';width:' + c.contentWidth + 'px;height:' + c.contentHeight + 'px;margin-left:' + c.borderWidth + 'px;">' + content + '</div>').appendTo(dialog.frame);
            if (c.hasCover) {
                dialog.PopDom = dialog.cover;
                dialog.frame.appendTo(dialog.cover);
                dialog.PopDom.appendTo(containner);
            } else {
                dialog.PopDom = dialog.frame.appendTo(containner);
            }
            dialog.close.on("click", function () {
                var str = $(this).attr('id').replace('close', '');
                $('[id^="' + str + '"]').remove();
            })
            dialog.x = dialog.y = dialog.mousekey = 0;
            if (c.moveAble) {
                dialog.top.on("mousedown", function (event) {
                    dialog.mousekey = true;
                    dialog.top.css("cursor", "move");
                    dialog.x = event.pageX - parseInt(dialog.frame.css("left"), 10);
                    dialog.y = event.pageY - parseInt(dialog.frame.css("top"), 10);
                    dialog.frame.fadeTo(20, 0.5);//点击后开始拖动并透明
                }).on('mouseout', function () {
                    dialog.mousekey = false;
                    dialog.top.css("cursor", "default");
                    dialog.frame.fadeTo("fast", 1);//松开鼠标后停止移动并恢复成不透明
                });
                $(document).on('mousemove', function (e) {
                    if (dialog.mousekey) {
                        dialog.frame.css({ top: e.pageY - dialog.y, left: e.pageX - dialog.x });
                    }
                }).on('mouseup', function () {
                    dialog.mousekey = false;
                    dialog.top.css("cursor", "default");
                    dialog.frame.fadeTo("fast", 1);//松开鼠标后停止移动并恢复成不透明
                });
            }
            return dialog;
        }
    }

    /* 
     * 关闭弹出框的方法
     * serial: 关闭的弹出框内部对象编号
     * Example: $(document.body).ClosePopDialog(1);
     */
    $.fn.ClosePopDialog = function () {
        var id = $(this).attr('popIdx');
        $('[id^="' + id + '_"]').remove();
    };
    /* 
     * 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
     * title: 标题
     * popDialogConfig: 自定义样式
     * Example: $(document.body).PopDialogByUrl("/home/login", "Test Url", { backColor: "gray", borderColor: "blue", borderWidth: 2, contentWidth: 600, contentHeight: 480 });
     */
    $.fn.PopDialogByUrl = function (url, title, popDialogConfig) {
        var obj = $(this);
        if (url) {
            $.ajax({
                url: url,
                cache: false,
                success: function (result) {
                    if (result == "[]" || result == "") {
                        result = "系统忙,请稍后再试!";
                    }
                    return PopDialog.show(obj, result, title, popDialogConfig);
                },
                error: function (result) {
                    if (result == "[]" || result == "") {
                        result = "系统错误,请联系管理员!";
                    }
                    return PopDialog.show(obj, result, title, popDialogConfig);
                }
            });
        }
    };
    /* 
     * 弹出框显示提供的内容的方法
     * content: 需要显示的内容
     * title: 标题
     * popDialogConfig: 自定义样式
     * Example: $(document.body).PopDialogByContent("<div>这是一个弹出框的例子!</div>", "Test Content", { backColor: "gray", borderColor: "blue", borderWidth: 2, contentWidth: 600, contentHeight: 480 });
     */
    $.fn.PopDialogByContent = function (content, title, popDialogConfig) {
        return PopDialog.show($(this), content, title, popDialogConfig);
    };
})(jQuery);