// JavaScript Document
//調用方法
// var test=new PageToExcel("data",0,255,"測試.xls");//table id , 第幾行開始，最後一行顏色 ，儲存的檔案名稱
// test.CreateExcel(false);
// test.Exec();
// test.SaveAs();
// test.CloseExcel();
//LastRowColor 0黑色 255紅色
// function PageToExcel(TableID,FirstRow,LastRowColor,SaveAsName){
this.lastRowColor=LastRowColor==""?0:LastRowColor;
var today=new Date();
this.saveAsName=(SaveAsName==""?today.getYear()+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日.xls":SaveAsName);
this.tableId=TableID;
this.table=document.getElementById(this.tableId);//匯出的table 對象
this.rows=this.table.rows.length;//匯出的table總行數
this.colSumCols=this.table.rows(0).cells.length;//第一行總列數
this.fromrow=FirstRow;
this.beginCol=0; //起始列數
this.cols=this.colSumCols;
this.oXL=null;
this.oWB=null;
this.oSheet=null;
this.rowSpans=1; //行合并
this.colSpans=1; //列合并
this.colsName={0:"A",1:"B", 2:"C", 3:"D", 4:"E", 5:"F", 6:"G", 7:"H", 8:"I",9:"J", 10:"K", 11:"L", 12:"M", 13:"N", 14:"O", 15:"P", 16:"Q", 16:"R" ,18:"S", 19:"T", 20:"U", 21:"V", 22:"W", 23:"X", 24:"Y", 25:"Z"};
}
PageToExcel.prototype.DeleteExcelCols=function(NotShowColList){//數組NotShowColList
//this.notShowColList=NotShowColList;//不顯示列集合,1,2,3,1
//刪除excel中的列
var m=0;
for(var i=0;i<NotShowColList.length;i++){
if(i>0){
m++;
}
var temp=NotShowColList[i]- m;
var index=this.colsName[temp];
this.oSheet.Columns(index).Delete;//刪除
}
m=0;
}
PageToExcel.prototype.CreateExcel=function(ExcelVisible)
{
try{
this.oXL = new ActiveXObject("Excel.Application"); //建立應該對象
this.oXL.Visible = ExcelVisible;
this.oWB = this.oXL .Workbooks.Add();//建立一個Excel活頁簿
this.oSheet = this.oWB.ActiveSheet;//指定要寫入內容的工作表為使用中工作表
//不顯示網格線
this.oXL.ActiveWindow.DisplayGridlines=false;
}catch(e){
alert("請確認安裝了非綠色版本的excel！"+e.description);
CloseExcel();
}
}
PageToExcel.prototype.CloseExcel=function()
{
this.oXL.DisplayAlerts = false;
this.oXL.Quit();
this.oXL = null;
this.oWB=null;
this.oSheet=null;
} PageToExcel.prototype.ChangeElementToLabel=function (ElementObj){
var GetText="";
try{
var childres=ElementObj.childNodes; }catch(e){ return GetText}
if(childres.length<=0) return GetText;
for(var i=0;i<childres.length;i++){
try{if(childres[i].style.display=="none"||childres[i].type.toLowerCase()=="hidden"){continue;}}
catch(e){} try{
switch (childres[i].nodeName.toLowerCase()){
case "#text" :
GetText +=childres[i].nodeValue ;
break;
case "br" :
GetText +="n";
break;
case "img" :
GetText +="";
break;
case "select" :
GetText +=childres[i].options[childres[i].selectedIndex].innerText ;
break;
case "input" :
if(childres[i].type.toLowerCase()=="submit"||childres[i].type.toLowerCase()=="button"){
GetText +="";
}else if(childres[i].type.toLowerCase()=="textarea"){
GetText +=childres[i].innerText;
}else{
GetText +=childres[i].value;
}
break;
default :
GetText += this.ChangeElementToLabel(childres[i]);
break;
} }catch(e){}
}
return GetText;
}
PageToExcel.prototype.SaveAs=function (){
//儲存
try{
this.oXL.Visible =true;
var fname = this.oXL.Application.GetSaveAsFilename(this.saveAsName, "Excel Spreadsheets (*.xls), *.xls");
if(fname){
this.oWB.SaveAs(fname);
this.oXL.Visible =false;
}
}catch(e){};
}
PageToExcel.prototype.Exec=function()
{ //尋找列數，考慮到第一行可能存在
for (var i=0; i<this.colSumCols;i++) {
var tmpcolspan = this.table.rows(0).cells(i).colSpan;
if ( tmpcolspan>1 ) {
this.cols += tmpcolspan-1;
}
} //定義2維容器資料，1：行；2：列；值（0 可以填充，1 已被填充）
var container=new Array(this.rows);
for (var i=0;i<this.rows;i++) {
container[i]=new Array(this.cols);
for (j=0;j<this.cols;j++) {
container[i][j]=0;
}
} //將所有單元置為文本，避免非數字列被自動變成科學計數法和丟失首碼的0
this.oSheet.Range(this.oSheet.Cells(this.fromrow+1,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).NumberFormat = "@";
// 迴圈行
for (i=0;i<this.rows;i++){
//迴圈列
for (j=0;j<this.cols;j++){
//尋找開始列
for (k=j;k<this.cols;k++){
if (container[i][k]==0) {
this.beginCol=k;
k=this.cols; //退出迴圈
}
}
//try{
//賦值
//此處相應跟改 根據 標籤的類型，替換相關參數
this.oSheet.Cells(i+1+this.fromrow,this.beginCol+1).value = this.ChangeElementToLabel(this.table.rows(i).cells(j));
//計算合并列
try{
this.colSpans = this.table.rows(i).cells(j).colSpan;
}catch(e){
this.colSpans=0
}
if (this.colSpans>1) {
//合并
this.oSheet.Range(this.oSheet.Cells(i+1+this.fromrow,this.beginCol+1),this.oSheet.Cells(i+1+this.fromrow,this.beginCol+this.colSpans)).Merge();
}
//將當前table位置填寫到對應的容器中
for (k=0; k<this.colSpans;k++) {
container[i][this.beginCol+k]= 1;
}
// 計算合并行
try{
this.rowSpans = this.table.rows(i).cells(j).rowSpan;
}catch(e){
this.rowSpans = 0;
} if (this.rowSpans>1) { //行合并
this.oSheet.Range(this.oSheet.Cells(i+1+this.fromrow,this.beginCol+1),this.oSheet.Cells(i+this.rowSpans+this.fromrow,this.beginCol+this.colSpans)).Merge();
//將當前table位置填寫到對應的容器中
for (k=1; k<this.rowSpans;k++) { //由於第0行已經被colSpans對應的代碼填充了，故這裡從第1行開始
for (l=0;l<this.colSpans;l++) {
container[i+k][this.beginCol+l]=1;
}
}
}
//如果開始列＋合并列已經等於列數了，故不需要再迴圈html table
if (this.beginCol+this.colSpans>=this.cols) j=this.cols; }
if(i==0)
{
//標題列
this.oSheet.Range(this.oSheet.Cells(1,1), this.oSheet.Cells(1,1)).Font.Size=20;
this.oSheet.Range(this.oSheet.Cells(1,1), this.oSheet.Cells(1,1)).Font.Bold = true;
this.oSheet.Range(this.oSheet.Cells(1,1), this.oSheet.Cells(1,1)).HorizontalAlignment = -4108; //置中
this.oSheet.Range(this.oSheet.Cells(1,1), this.oSheet.Cells(1,1)).Rows.RowHeight = 40;
}
//自動調整行高
}
//最後一行是否空色
try{
this.oSheet.Range(this.oSheet.Cells(this.rows,1), this.oSheet.Cells(this.rows,1)).Font.Color=this.lastRowColor;
}catch(e){}
this.oSheet.Range(this.oSheet.Cells(this.fromrow+2,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).Rows.RowHeight=20;
this.oSheet.Range(this.oSheet.Cells(this.fromrow+2,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).Font.Size=10;
//自動換行
this.oSheet.Range(this.oSheet.Cells(this.fromrow+2,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).WrapText = true;
//自動調整列寬
this.oSheet.Range(this.oSheet.Cells(this.fromrow+1,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).Columns.AutoFit();
//點虛線
this.oSheet.Range(this.oSheet.Cells(this.fromrow+1,1), this.oSheet.Cells(this.fromrow+this.rows,this.cols)).Borders.LineStyle = -4118;
return this.rows;
}
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