EasyUiDatagrid 打印

// strPrintName 打印任务名
// printDatagrid 要打印的datagrid
//title 表格标题
function CreateFormPage(strPrintName, printDatagrid,title) {
    var tableString = '<table cellspacing="0" class="pb">';
    tableString+="<caption style='   font-size: 20px;  font-weight:  bold;'>"+title+"</caption>";
    var frozenColumns = printDatagrid.datagrid("options").frozenColumns;  // 得到frozenColumns对象
    var columns = printDatagrid.datagrid("options").columns;    // 得到columns对象
    var nameList = '';

    // 载入title
    if (typeof columns != 'undefined' && columns != '') {
        $(columns).each(function (index) {
            tableString += '\n<tr>';
            if (typeof frozenColumns != 'undefined' && typeof frozenColumns[index] != 'undefined') {
                for (var i = 0; i < frozenColumns[index].length; ++i) {
                    if (!frozenColumns[index][i].hidden) {
                        tableString += '\n<th width="' + frozenColumns[index][i].width + '"';
                        if (typeof frozenColumns[index][i].rowspan != 'undefined' && frozenColumns[index][i].rowspan > 1) {
                            tableString += ' rowspan="' + frozenColumns[index][i].rowspan + '"';
                        }
                        if (typeof frozenColumns[index][i].colspan != 'undefined' && frozenColumns[index][i].colspan > 1) {
                            tableString += ' colspan="' + frozenColumns[index][i].colspan + '"';
                        }
                        if (typeof frozenColumns[index][i].field != 'undefined' && frozenColumns[index][i].field != '') {
                            nameList += ',{"f":"' + frozenColumns[index][i].field + '", "a":"' + frozenColumns[index][i].align + '"}';
                        }
                        tableString += '>' + frozenColumns[0][i].title + '</th>';
                    }
                }
            }
            for (var i = 0; i < columns[index].length; ++i) {
                if (!columns[index][i].hidden) {
                    tableString += '\n<th width="' + columns[index][i].width + '"';
                    if (typeof columns[index][i].rowspan != 'undefined' && columns[index][i].rowspan > 1) {
                        tableString += ' rowspan="' + columns[index][i].rowspan + '"';
                    }
                    if (typeof columns[index][i].colspan != 'undefined' && columns[index][i].colspan > 1) {
                        tableString += ' colspan="' + columns[index][i].colspan + '"';
                    }
                    if (typeof columns[index][i].field != 'undefined' && columns[index][i].field != '') {
                        nameList += ',{"f":"' + columns[index][i].field + '", "a":"' + columns[index][i].align + '"}';
                    }
                    tableString += '>' + columns[index][i].title + '</th>';
                }
            }
            tableString += '\n</tr>';
        });
    }
    // 载入内容
    var rows = printDatagrid.datagrid("getRows"); // 这段代码是获取当前页的所有行
    var nl = eval('([' + nameList.substring(1) + '])');
    for (var i = 0; i < rows.length; ++i) {
        tableString += '\n<tr>';
        $(nl).each(function (j) {
            var e = nl[j].f.lastIndexOf('_0');

            tableString += '\n<td';
            if (nl[j].a != 'undefined' && nl[j].a != '') {
                tableString += ' style="text-align:' + nl[j].a + ';"';
            }
            tableString += '>';
            if (e + 2 == nl[j].f.length) {
                tableString += rows[i][nl[j].f.substring(0, e)];
            }
            else{
                if(rows[i][nl[j].f]==undefined){
                    tableString+="";
                }else{
                    tableString += rows[i][nl[j].f];
                }
            }

            tableString += '</td>';
        });
        tableString += '\n</tr>';
    }
    tableString += '\n</table>';
    sessionStorage.setItem("sent", tableString);
    window.open("/report/printtest.html", strPrintName,
        "location:No;status:No;help:No;dialogWidth:800px;dialogHeight:600px;scroll:auto;");
}

print.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>数据打印</title>
    <style type="text/css">
        body{background:white;margin:0px;padding:0px;font-size:13px;text-align:left;}
        .pb{font-size:13px;border-collapse:collapse;}
        .pb th{font-weight:bold;text-align:center;border:1px solid #333333;padding:2px;}
        .pb td{border:1px solid #333333;padding:2px;}
    </style>
    <script type="text/javascript">
        document.write(sessionStorage.getItem("sent"));
        window.print();
        sessionStorage.clear()
    </script>
</head>
<body>

</body>
</html>

直接调用 
CreateFormPage