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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