// JScript 文件
//客户端脚本 执行Excel导出 table内容 
/*getXlsFromTbl(inTblId, inWindow,fname)
*主方法
*第一个参数 表id（gridview ID) ,第二个参数null,第三个参数 文件名（'xxxx报表')
**/ 
function getXlsFromTbl(inTblId, inWindow,fname) { 
    try { 
        var allStr = ""; 
        var curStr = ""; 
       //alert("getXlsFromTbl"); 
        if (inTblId != null && inTblId != "" && inTblId != "null") { 
            curStr = getTblData(inTblId, inWindow); 
        } 
        if (curStr != null) { 
            allStr += curStr; 
        } 
        else { 
            alert("你要导出的表不存在！"); 
            return; 
        } 
        var fileName = getExcelFileName(fname); 
        doFileExport(fileName, allStr); 
    } 
    catch(e) { 
        alert("导出发生异常:" + e.name + "->" + e.description + "!"); 
   } 
} 
function getTblData(inTbl, inWindow) { 
    var rows = 0; 
    //alert("getTblData is " + inWindow); 
   var tblDocument = document; 
    if (!!inWindow && inWindow != "") { 
        if (!document.all(inWindow)) { 
            return null; 
        } 
        else { 
            tblDocument = eval(inWindow).document; 
        } 
    } 
    var curTbl = tblDocument.getElementById(inTbl); 
    var outStr = ""; 
    if (curTbl != null) { 
        for (var j = 0; j < curTbl.rows.length; j++) { 
            //alert("j is " + j); 
            for (var i = 0; i < curTbl.rows[j].cells.length; i++) { 
                //alert("i is " + i); 
                if (i == 0 && rows > 0) { 
                    outStr += " \t"; 
                   rows -= 1; 
                } 
                outStr += curTbl.rows[j].cells[i].innerText + "\t"; 
                if (curTbl.rows[j].cells[i].colSpan > 1) { 
                    for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) { 
                       outStr += " \t"; 
                    } 
                } 
                if (i == 0) { 
                    if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) { 
                        rows = curTbl.rows[j].cells[i].rowSpan - 1; 
                    } 
                } 
            } 
            outStr += "\r\n"; 
        } 
    } 
    else { 
        outStr = null; 
        alert(inTbl + "不存在!"); 
    } 
    return outStr; 
} 
function getExcelFileName(fname) { 
    var d = new Date(); 
    var curYear = d.getYear(); 
    var curMonth = "" + (d.getMonth() + 1); 
    var curDate = "" + d.getDate(); 
    var curHour = "" + d.getHours(); 
    var curMinute = "" + d.getMinutes(); 
    var curSecond = "" + d.getSeconds(); 
    if (curMonth.length == 1) { 
        curMonth = "0" + curMonth; 
    } 
    if (curDate.length == 1) { 
        curDate = "0" + curDate; 
    } 
    if (curHour.length == 1) { 
        curHour = "0" + curHour; 
    } 
    if (curMinute.length == 1) { 
        curMinute = "0" + curMinute; 
    } 
    if (curSecond.length == 1) { 
        curSecond = "0" + curSecond; 
    } 
    var fileName = fname + "_" + curYear + curMonth + curDate + "_" 
            + curHour + curMinute + curSecond + ".xls"; 
    //alert(fileName); 
    return fileName; 
} 
function doFileExport(inName, inStr) { 
   var xlsWin = null; 
    if (!!document.all("glbHideFrm")) { 
        xlsWin = glbHideFrm; 
    } 
    else { 
        var width = 6; 
        var height = 4; 
       var openPara = "left=" + (window.screen.width / 2 - width / 2) 
                + ",top=" + (window.screen.height / 2 - height / 2) 
               + ",scrollbars=no,width=" + width + ",height=" + height; 
       xlsWin = window.open("", "_blank", openPara); 
    } 
   xlsWin.document.write(inStr); 
   xlsWin.document.close(); 
    xlsWin.document.execCommand('Saveas', true, inName); 
  xlsWin.close(); 
}