客户端对象模型之列表数据导出到Excel

1,废话不多话，直接上代码，留着以后做类似功能时Copy一下！有需要的朋友也可以参考一下。

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title></title>

    <script src="jquery-1.6.2.min.js"></script>

    <script type="text/javascript">

        function exportalltaskdata() {

            var flag = true;

            try {

                folderpath = BrowseFolder();

                if (folderpath == null || folderpath == 'null' || folderpath == '') {

                    flag = false;

                    alert("请选择保存路径！");

                }

            } catch (e) {

                flag = false;

                alert("请确认只能使用IE导出，并将该站点添加到本地ie信任站点中，IE浏览器要设置工具-Internet选择-安全-可信站点-自定义级别-ActiveX控件和插件-将‘对未标记为可安全执行脚本的ActiveX控件初并执行脚本’选项置为‘启用");

            }

            if (flag) {

                oldvalue = $("#btnExport").val();

                $("#btnExport").attr("disabled", "disabled");

                $("#btnExport").val("正在导出...");

                try {

                    var xls = new ActiveXObject("Excel.Application");

                    GetAllTasksWithProject();

                }

                catch (e) {

                    alert("请确保本地安装了Excel");

                    $("#btnExport").removeAttr("disabled");

                    $("#btnExport").val(oldvalue);

                }

            }

        }

        function GetAllTasksWithProject() {

            var projectid = getQueryString("FilterValue1");

            var clientContext = new SP.ClientContext.get_current();

            var oList = clientContext.get_web().get_lists().getByTitle('项目工作项');

            var queryCertType = new SP.CamlQuery();

            queryCertType.set_viewXml(

                 '<View><Query><OrderBy><FieldRef Name=\'StartDate\' Ascending=\'True\'/></OrderBy><Where><Eq><FieldRef Name=\'Project\' LookupId=\'TRUE\' /><Value Type=\'Lookup\'>' + projectid + '</Value></Eq></Where></Query></View>'

                 );

            this.wangoListItemCertType = oList.getItems(queryCertType);

            clientContext.load(wangoListItemCertType);

            clientContext.executeQueryAsync(Function.createDelegate(this, this.ExportSuccessed), Function.createDelegate(this, this.ExportFailed));

        }

        var orderedtasks = new TaskColliection();

        var relationship = new TaskColliection();

        var roottask = new TaskColliection();

        var alltasks = new TaskColliection();

        function MakeTaskOrdered(parentid) {

            if (relationship.ContainsKey(parentid)) {

                var children = relationship.get(parentid);

                for (var i = 0; i < children.size() ; i++) {

                    if (!orderedtasks.ContainsKey(children.keys[i])) {

                        var level = 0;

                        if (orderedtasks.ContainsKey(parentid)) {

                            level = orderedtasks.get(parentid) + 1;

                        }

                        orderedtasks.set(children.keys[i], level);

                        MakeTaskOrdered(children.keys[i]);

                    }

                }

            }

        }

        function ExportSuccessed(sender, args) {

            orderedtasks = new TaskColliection();

            relationship = new TaskColliection();

            roottask = new TaskColliection();

            alltasks = new TaskColliection();

            var listItemEnumerator = wangoListItemCertType.getEnumerator();

            while (listItemEnumerator.moveNext()) {

                var oListItem = listItemEnumerator.get_current();

                var taskid = oListItem.get_item('ID');

                var title = oListItem.get_item('Title');

                var ParentTask = oListItem.get_item('ParentTask');

                if (ParentTask != null && ParentTask != '' && ParentTask != 'null') {

                    var parentid = ParentTask.get_lookupId();

                    if (!relationship.ContainsKey(parentid)) {

                        var children = new Map();

                        children.set(taskid, title);

                        relationship.set(parentid, children);

                    }

                    else {

                        var children = relationship.get(parentid)

                        children.set(taskid, title);

                        relationship.set(parentid, children)

                    }

                }

                else {

                    if (!relationship.ContainsKey(taskid)) {

                        var children = new Map();

                        relationship.set(taskid, children);

                    }

                    roottask.set(taskid, title);

                }

                alltasks.set(taskid, oListItem)

            }

            for (var num = 0; num < roottask.size() ; num++) {

                if (!orderedtasks.ContainsKey(roottask.keys[num])) {

                    orderedtasks.set(roottask.keys[num], 0);

                    MakeTaskOrdered(roottask.keys[num]);

                }

            }

            var oApplication;

            var xls = new ActiveXObject("Excel.Application");

            xls.Visible = false;

            var xlBook = xls.Workbooks.Add;

            var oSheet = xlBook.Worksheets(1);

            oSheet.Cells(1, 1).value = "工作项名称";

            oSheet.Cells(1, 2).value = "开始日期";

            oSheet.Cells(1, 3).value = "截止日期";

            oSheet.Cells(1, 4).value = "负责人";

            oSheet.Cells(1, 6).value = "前置工作项";

            oSheet.Cells(1, 5).value = "父级工作项";

            oSheet.Cells(1, 10).value = "所属项目";

            oSheet.Cells(1, 7).value = "关系类型";

            oSheet.Cells(1, 9).value = "任务级别";

            oSheet.Cells(1, 8).value = "是否完成";

            var projecttitle = "";

            for (var i = 0; i < orderedtasks.size() ; i++) {

                var tasklevelnum = orderedtasks.get(orderedtasks.keys[i]);

                if (alltasks.ContainsKey(orderedtasks.keys[i])) {

                    var oListItem = alltasks.get(orderedtasks.keys[i]);

                    var title = oListItem.get_item('Title');

                    var startdate = new Date(oListItem.get_item('StartDate'));

                    var dueDate = new Date(oListItem.get_item('DueDate'));

                    var AssignedTo = oListItem.get_item('AssignedTo');

                    var Predecessors = oListItem.get_item('Predecessors');

                    var Status = oListItem.get_item('Status');

                    var RelationshipType = oListItem.get_item('RelationshipType');

                    var TaskLevel = oListItem.get_item('TaskLevel');

                    var Project = oListItem.get_item('Project');

                    var ParentTask = oListItem.get_item('ParentTask');

                    var rownum = i + 2;

                    switch (tasklevelnum) {

                        case 1:

                            title = "  " + title;

                            break;

                        case 2:

                            title = "    " + title;

                            break;

                        case 3:

                            title = "      " + title;

                            break;

                        case 4:

                            title = "        " + title;

                            break;

                    }

                    oSheet.Cells(rownum, 1).value = title;

                    oSheet.Cells(rownum, 2).value = startdate.getFullYear() + "/" + (startdate.getMonth() + 1) + "/" + startdate.getDate();

                    oSheet.Cells(rownum, 3).value = dueDate.getFullYear() + "/" + (dueDate.getMonth() + 1) + "/" + dueDate.getDate();

                    oSheet.Cells(rownum, 4).value = AssignedTo.get_lookupValue();

                    if (Predecessors != null && Predecessors != 'null' && Predecessors != '')

                        oSheet.Cells(rownum, 6).value = Predecessors.get_lookupValue();

                    if (ParentTask != null && ParentTask != 'null' && ParentTask != '')

                        oSheet.Cells(rownum, 5).value = ParentTask.get_lookupValue();

                    oSheet.Cells(rownum, 10).value = Project.get_lookupValue();

                    projecttitle = Project.get_lookupValue();

                    oSheet.Cells(rownum, 7).value = RelationshipType;

                    oSheet.Cells(rownum, 9).value = TaskLevel;

                    oSheet.Cells(rownum, 8).value = Status;

                }

            }

            var datenow = new Date();

            var filetitle = projecttitle + "_" + datenow.format("yyyyMMddHHmmss") + ".xls";

            oSheet.SaveAs(folderpath + filetitle);

            xls.quit();

            alert("导出成功");

            $("#btnExport").removeAttr("disabled");

            $("#btnExport").val(oldvalue);

        }

        function ExportFailed(sender, args) {

            alert('导出失败，请重试');

            $("#btnExport").removeAttr("disabled");

            $("#btnExport").val(oldvalue);

        }

        function MakeTaskOrdered(parentid) {

            if (relationship.ContainsKey(parentid)) {

                var children = relationship.get(parentid);

                for (var i = 0; i < children.size() ; i++) {

                    if (!orderedtasks.ContainsKey(children.keys[i])) {

                        var level = 0;

                        if (orderedtasks.ContainsKey(parentid)) {

                            level = orderedtasks.get(parentid) + 1;

                        }

                        orderedtasks.set(children.keys[i], level);

                        MakeTaskOrdered(children.keys[i]);

                    }

                }

            }

        }

        function TaskColliection() {

            this.keys = new Array();

            this.data = new Array();

            //添加键值对

            this.set = function (key, value) {

                if (this.data[key] == null) {//如键不存在则身【键】数组添加键名

                    this.keys.push(key);

                }

                this.data[key] = value;//给键赋值

            };

            //获取键对应的值

            this.get = function (key) {

                return this.data[key];

            };

            //去除键值，(去除键数据中的键名及对应的值)

            this.remove = function (key) {

                this.keys.remove(key);

                this.data[key] = null;

            };

            //判断键值元素是否为空

            this.isEmpty = function () {

                return this.keys.length == 0;

            };

            //获取键值元素大小

            this.size = function () {

                return this.keys.length;

            };

            this.ContainsKey = function (key) {

                if (this.data[key] == null) {//如键不存在则身【键】数组添加键名

                    return false;

                }

                else {

                    return true;

                }

            }

        }

        function BrowseFolder() {

            var Message = "选择下载路径.";  //选择框提示信息

            var Shell = new ActiveXObject("Shell.Application");

            //var Folder = Shell.BrowseForFolder(0, Message, 0x0040, 0x11); //起始目录为：我的电脑

            var Folder = Shell.BrowseForFolder(0, Message, 0); //起始目录为：桌面

            var folderpath = "";

            if (Folder != null) {

                folderpath = Folder.Self.Path;   // 返回路径

                if (folderpath.charAt(folderpath.length - 1) != "\\") {

                    folderpath = folderpath + "\\";

                }

            }

            return folderpath;

        }

    </script>

</head>

<body>

    <input name="btnExport" id="btnExport" type="button" value="导出当前项目的所有工作项到Excel" style="position: absolute; right: 10px; top: 0px;" onclick="exportalltaskdata();" />

</body>

</html>

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客户端对象模型之列表数据导出到Excel

客户端对象模型之列表数据导出到Excel的更多相关文章

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