一个JQUERY文件

$(function () {


    jQuery.fn.extend({

        //options:[{id:xx,name:xxx},{id:xx,name:xxx}]
        //key:selectValue 选中项的id
        addOption: function (options, selectValue) {

            var strOption = "";
            var selected = "selected";
            if (selectValue == undefined || selectValue == "" || selectValue == null) {
                for (var i = 0; i < options.length; i++) {
                    strOption += "<option value='" + options[i].id + "' ";
                    strOption += "  >";
                    strOption += options[i].name;
                    strOption += "</option>";
                }
            }
            else {
                for (var i = 0; i < options.length; i++) {
                    strOption += "<option value='" + options[i].id + "' ";
                    if (options[i].id == selectValue) {
                        strOption += selected;
                    }
                    strOption += "  >";
                    strOption += options[i].name;
                    strOption += "</option>";
                }
            }

            $(this).html("");
            $(this).append(strOption).trigger("chosen:updated")
        },


        //用法:$("#up").upLoadFile($("#btnBrowse"), "Home/up", function (o) { alert(o) });
        //btnBrowse:浏览按钮 JQ对象
        //url:提交地址
        //callBack:回调函数
        upLoadFile: function (btnBrowse, url, callBack) {

            var self = $(this);
            var formHtml = "<iframe    name='xxxxxxxxxxx' style='display:none' ></iframe >";
            formHtml += "<form   action='" + url + "' method='post'  target='xxxxxxxxxxx' enctype='multipart/form-data' >";
            formHtml += "<input  type='file' name='file' />";
            formHtml += "</form>";

            self.append(formHtml);
            self.find("iframe").load(function (e) {
                //服务端返回的数据
                var res = $(this).contents().find("body").text();
                //chrome 浏览在首次加载并不执行load里的代码
                !res ? null : callBack(res);
            });

            var file = self.find(":file");
            file.on("change", function () { alert(this.value); self.find("form").submit(); });
            file.css("position", "fixed").css({
                "left": btnBrowse.offset().left,
                "top": btnBrowse.offset().top,
                "width": btnBrowse.width(),
                "height": btnBrowse.height(),
                "opacity": 0
            });
            return self;
        }


    });

    $.extend({

        //分页
        //需要在目标容器上添加两个属性 
        //记录总数 data-paging-itemcount
        //当前页码 data-paging-index
        pager: function (options) {
            this._index = 1; // 当前页码, 从1开始
            this._pageSize = 20; // 每页显示记录数
            this._maxButtons = 5; // 显示的分页按钮数量
            this._itemCount = 0; // 记录总数
            this._pageCount = 0; // 总页数
            this._container = null;
            this._click = null;

            this._options = {
                containerId: null,
                maxPagingButtons: 5,
                pageSize: 20,
                queryPageIndexPara: "pageindex", //Url中页码的参数名称
                className: {
                    current: 'active',
                    normal: 'normal'
                },
                click: null
            };

            this.init = function (options) {
                this._initOptions(options);
                if (typeof this._container != "undefined" && this._container != null) {
                    this._itemCount = parseInt(this._container.getAttribute("paging-itemcount"));
                    this._index = parseInt(this._container.getAttribute("paging-index"));
                    this._render();
                }
            };

            /* 初始化Options
            */
            this._initOptions = function (options) {
                if (options != null || options != undefined) {
                    this._options.containerId = options.containerId;
                    this._container = document.getElementById(this._options.containerId);
                    if (typeof options.maxPagingButtons != "undefined") {
                        this._maxButtons = options.maxPagingButtons;
                    }
                    if (typeof options.pageSize != "undefined") {
                        this._pageSize = options.pageSize;
                    }
                    if (typeof options.click != "undefined") {
                        this._click = options.click;
                    }
                }
            };

            /* 内部方法.
            */
            this._onclick = function (index) {
                if (typeof this._click == "function") {
                    this._click(index);
                }
            };

            /* 在显示之前计算各种页码变量的值.
            */
            this._calculate = function () {
                this._pageCount = parseInt(Math.ceil(this._itemCount / this._pageSize));
                this._index = parseInt(this._index);
                if (this._index > this._pageCount) {
                    this._index = this._pageCount;
                }
            };

            /* 获取当前Url地址前缀,自动去除pageindex
            */
            this._getPreHref = function () {
                var str = window.location.href.toLowerCase();
                if (str.indexOf("?") > 0) {
                    var index = str.indexOf(this._options.queryPageIndexPara.toLocaleLowerCase());
                    if (index > 0) {
                        var preStr = str.substring(0, index - 1),
                            tailStr = str.substr(index + this._options.queryPageIndexPara.length, str.length - index - this._options.queryPageIndexPara.length);
                        var newIndex = tailStr.indexOf("&");
                        if (newIndex > 0) {
                            tailStr = tailStr.substr(newIndex, tailStr.length - 1);
                        }
                        else {
                            tailStr = "";
                        }
                        if (preStr.indexOf("?") >= 0) {
                            str = preStr + tailStr + "&" + this._options.queryPageIndexPara + "=";
                        }
                        else {
                            str = preStr + "?" + this._options.queryPageIndexPara + "=";
                        }
                    }
                    else {
                        str += "&" + this._options.queryPageIndexPara + "=";
                    }
                }
                else {
                    str += "?" + this._options.queryPageIndexPara + "=";
                }
                return str;
            };

            /* 渲染分页控件
            */
            this._render = function () {
                var self = this;
                var isLink = true;
                if (self._click != null) {
                    isLink = false;
                }
                self._calculate();
                var curHref = self._getPreHref();
                var start, end;
                start = Math.max(1, self._index - parseInt(self._maxButtons / 2));
                end = Math.min(self._pageCount, start + self._maxButtons - 1);
                start = Math.max(1, end - self._maxButtons + 1);
                var str = [];
                str.push("<ul class='pagination'>");
                /*str.push('<span>共' + self._itemCount + '条记录</span>');*/
                if (self._pageCount > 1) {
                    if (self._index != 1) {
                        if (isLink) {
                            str.push('<li class="' + self._options.className.normal + '" ><a href="' + curHref + '1"><span>首页</span></a></li>');
                            str.push('<li class="' + self._options.className.normal + '"><a href="' + curHref + (self._index - 1) + '"><span>上一页</span></a></li>');
                        }
                        else {
                            str.push('<li class="' + self._options.className.normal + '"><a href="javascript://1"><span>首页</span></a></li>');
                            str.push('<li class="' + self._options.className.normal + '"><a href="javascript://' + (self._index - 1) + '"><span>上一页</span></a></li>');
                        }
                    }
                }
                if (self._index > 3 && self._pageCount > self._maxButtons) {
                    str.push('<li><span>…</span></li>');
                }
                for (var i = start; i <= end; i++) {
                    if (i == self._index) {
                        str.push('<li class="' + self._options.className.current + '"><a href="javascript:void(0);" >' + i + '</a></li>');
                    } else {
                        if (isLink) {
                            str.push('<li class="' + self._options.className.normal + '"><a href="' + curHref + i + '"><span>' + i + '</span></a></li>');
                        }
                        else {
                            str.push('<li class="' + self._options.className.normal + '" ><a href="javascript://' + i + '"><span>' + i + '</span></a></li>');
                        }
                    }
                }
                if (self._pageCount > end) {
                    str.push('<li><span>…</span></li>');
                }
                if (self._pageCount > 1) {
                    if (self._index != self._pageCount) {
                        if (isLink) {
                            str.push('<li class="' + self._options.className.normal + '" ><a href="' + curHref + (self._index + 1) + '"><span>下一页</span></a></li>');
                            str.push('<li class="' + self._options.className.normal + '"><a href="' + curHref + self._pageCount + '"><span>尾页</span></a></li>');
                        }
                        else {
                            str.push('<li class="' + self._options.className.normal + '" ><a href="javascript://' + (self._index + 1) + '"><span>下一页</span></a></li>');
                            str.push('<li class="' + self._options.className.normal + '"><a href="javascript://' + self._pageCount + '"><span>尾页</span></a></li>');
                        }
                    }
                }
                str.push('<li><span>共' + self._pageCount + '页</span></li>');
                str.push("</ul>");
                self._container.innerHTML = str.join('');
                this._renderLinkClick(self);
            };

            this._renderLinkClick = function (self) {
                if (typeof this._click == "function") {
                    var linklist = self._container.getElementsByTagName('a');
                    for (var i = 0; i < linklist.length; i++) {
                        linklist[i].onclick = function () {
                            var pageNumber = this.getAttribute('href');
                            if (typeof pageNumber != "undefined") {
                                pageNumber = parseInt(pageNumber.replace('javascript://', ''));
                                self._onclick(pageNumber)
                            }
                            return false;
                        };
                    }
                }
            };

            this.init(options);

        },


        //controller:控制器
        //tableAction:异步返回的table的路径
        //key:提交前处理函数
        //pageSize:页大小
        //parameters:提交参数  对象
        //callBack:成功返回table html 后执行的函数
        indexPageInit: function (controller, tableAction, key, pageSize, parameters, callBack) {

            var pIndex = 1;

            bindButton();
            getTableHtml(pIndex)

            $("#btnSearch").on("click", function () { getTableHtml(1) });
            $("#btnCreate").on("click", function () {
                location.href = "/" + controller + "/Detail"
            });

            function bindButton() {
                $(".btnEdit").on("click", function () {
                    var tr = $(this).parentsUntil("tr").parent();
                    var id = tr.find("." + key).text().trim();
                    location.href = "/" + controller + "/Detail?" + key + "=" + id;

                });
                $(".btnDelete").on("click", function () {
                    var o = this;
                    $.confirm("确定删除这个信息吗?", function (r) {
                        if (r) {
                            var tr = $(o).parentsUntil("tr").parent();
                            var id = tr.find("." + key).text().trim();
                            $.post("/" + controller + "/Delete?" + key + "=" + id, function (data) {
                                if (data.Code == 1) {
                                    getTableHtml(pIndex)
                                } else {
                                    $.alert(data.Data);
                                }
                            })
                        }
                    })
                });
            }

            function getTableHtml(pIndex) {

                var data = { PageIndex: pIndex, PageSize: pageSize };
                $.extend(data, parameters);

                $.ajax({
                    url: "/" + controller + "/" + tableAction + "",
                    type: "get",
                    dataType: 'html',
                    data: data,
                    cache: false,
                    success: function (html) {

                        $("#asyncTable").html(html);
                        $("#pager-container").attr("paging-itemcount", $("#txtCount").val());
                        $("#itemcount").text($("#txtCount").val());
                        $("#pager-container").attr("paging-index", pIndex);

                        if (typeof callBack == "function") {
                            callBack();
                        }
                        bindButton();
                        $.pager({
                            pageSize: pageSize,
                            containerId: "pager-container",
                            click: function (index) {
                                pIndex = index;
                                getTableHtml(pIndex);
                            }

                        });
                    },
                    error: function (xhr, status, message) {
                    }
                });
            }
        },

        //controller:控制器
        //key:主键
        //submitBefore:提交前处理函数
        detailPageInit: function (controller, key, submitBefore) {

            $("#btnSubmit").on("click", function () {
                $(this).attr("disabled", true);
                var isBreak = true;
                $(".required").each(function () {
                    var v = $(this).val().trim();
                    if (v.length == 0) {
                        isBreak = false;
                        return;
                    }
                })
                if (!isBreak) {
                    $(this).attr("disabled", false);
                    $.alert("请输入完整信息");
                    return false;
                }


                var key = $("#txt" + key + "").val().trim();
                if (0 == key) {

                    if ($("#btnPreviewImg").length != 0) {
                        var PreviewImgFile = $("#btnPreviewImg").val();
                        if (PreviewImgFile.length == 0) {
                            $(this).attr("disabled", false);
                            $.alert("请上传图片");
                            return false;
                        }
                    }

                    $("#Form").attr("action", "/" + controller + "/Create");
                } else {
                    $("#Form").attr("action", "/" + controller + "/Updata");
                }

                if (typeof submitBefore == "function") {
                    submitBefore();
                }
                $("#Form").submit();

            })
            $("#btnPreviewImg").on("change", function () {
                var files = !!this.files ? this.files : [];
                if (!files.length || !window.FileReader) return;
                if (files[0].type != "image/jpeg" || files[0].size > (1024 * 1024)) {
                    $("#divPreviewImg").css("background-image", "url()");
                    this.value = "";
                    $.alert("请上传小于1M的 JPG 文件");
                } else {
                    var reader = new FileReader();
                    reader.readAsDataURL(files[0]);
                    reader.onloadend = function () {
                        $("#divPreviewImg").css("background-image", "url(" + this.result + ")");
                    }
                }


            });
        },

        //message:标题
        //callback:回调函数
        //isAutoClose:是否自动关闭(假如回调函数不为null,该参数无效),
        //closeMsTime:关闭时间(毫秒)
        alert: function (message, callback, isAutoClose, closeMsTime) {
            bootbox.dialog({
                message: "<span class='bigger-110'>" + message + "</span>",
                buttons:
                {
                    "关闭":
                    {
                        "label": "关闭",
                        "className": "btn-sm",
                        "callback": function () {
                            if (typeof callback == "function") {
                                callback();
                            }
                        }
                    }
                }
            });
            if (isAutoClose === false || typeof callback == "function") {
                return;
            }
            var _time = isNaN(closeMsTime) ? 1500 : parseInt(closeMsTime);
            setTimeout(function () {
                bootbox.hideAll();
            }, _time);
        },

        //message:标题
        //callback:回调函数-
        confirm: function (message, callback) {
            bootbox.dialog({
                message: "<span class='bigger-110'>" + message + "</span>",
                buttons:
                {
                    "确定":
                    {
                        "label": "确定",
                        "className": "btn-sm btn-primary",
                        "callback": function () {
                            callback(true);
                        }
                    },
                    "取消":
                    {
                        "label": "取消",
                        "className": "btn-sm",
                        "callback": function () {
                            callback(false);
                        }
                    }
                }
            });
        },




    });



})
View Code
原文地址:https://www.cnblogs.com/gouyanfeng/p/4792245.html