js 导出到excel实例教程

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/* * 默认转换实现函数，如果需要其他功能，需自行扩展 * 参数： * tableID : HTML中Table对象id属性值 * 详细用法参见以下 TableToExcel 对象定义 */ function saveAsExcel(tableID) { var tb = new TableToExcel(tableID); tb.setFontStyle("Courier New"); tb.setFontSize(10); tb.setTableBorder(2); tb.setColumnWidth(7); tb.isLineWrap(true); tb.getExcelFile(); }

/* * 功能：HTML中Table对象转换为Excel通用对象. * 参数：tableID HTML中Table对象的ID属性值 * 说明： * 能适应复杂的HTML中Table对象的自动转换，能够自动根据行列扩展信息 * 合并Excel中的单元格，客户端需要安装有Excel * 详细的属性、方法引用说明参见：Excel的Microsoft Excel Visual Basic参考 * 示范： * var tb = new TableToExcel('demoTable'); * tb.setFontStyle("Courier New"); * tb.setFontSize(10); //推荐取值10 * tb.setFontColor(6); //一般情况不用设置 * tb.setBackGround(4); //一般情况不用设置 * tb.setTableBorder(2); //推荐取值2 * tb.setColumnWidth(10); //推荐取值10 * tb.isLineWrap(false); * tb.isAutoFit(true); * * tb.getExcelFile(); * 如果设置了单元格自适应，则设置单元格宽度无效 * 版本：1.0 * BUG提交：QQ:18234348 或者 */ function TableToExcel(tableID) { this.tableBorder = -1; //边框类型，-1没有边框 可取1/2/3/4 this.backGround = 0; //背景颜色：白色 可取调色板中的颜色编号 1/2/3/4.... this.fontColor = 1; //字体颜色：黑色 this.fontSize = 10; //字体大小 this.fontStyle = "宋体"; //字体类型 this.rowHeight = -1; //行高 this.columnWidth = -1; //列宽 this.lineWrap = true; //是否自动换行 this.textAlign = -4108; //内容对齐方式 默认为居中 this.autoFit = false; //是否自适应宽度 this.tableID = tableID; }

TableToExcel.prototype.setTableBorder = function (excelBorder) { this.tableBorder = excelBorder; };

TableToExcel.prototype.setBackGround = function (excelColor) { this.backGround = excelColor; };

TableToExcel.prototype.setFontColor = function (excelColor) { this.fontColor = excelColor; };

TableToExcel.prototype.setFontSize = function (excelFontSize) { this.fontSize = excelFontSize; };

TableToExcel.prototype.setFontStyle = function (excelFont) { this.fontStyle = excelFont; };

TableToExcel.prototype.setRowHeight = function (excelRowHeight) { this.rowHeight = excelRowHeight; };

TableToExcel.prototype.setColumnWidth = function (excelColumnWidth) { this.columnWidth = excelColumnWidth; };

TableToExcel.prototype.isLineWrap = function (lineWrap) { if (lineWrap == false || lineWrap == true) { this.lineWrap = lineWrap; } };

TableToExcel.prototype.setTextAlign = function (textAlign) { this.textAlign = textAlign; };

TableToExcel.prototype.isAutoFit = function (autoFit) { if (autoFit == true || autoFit == false) this.autoFit = autoFit; } //文件转换主函数 TableToExcel.prototype.getExcelFile = function () { var jXls, myWorkbook, myWorksheet, myHTMLTableCell, myExcelCell, myExcelCell2; var myCellColSpan, myCellRowSpan;

try { jXls = new ActiveXObject('Excel.Application'); } catch (e) { alert("无法启动Excel!\n\n" + e.message + "\n\n如果您确信您的电脑中已经安装了Excel，" + "那么请调整IE的安全级别。\n\n具体操作：\n\n" + "工具 → Internet选项 → 安全 → 自定义级别 → 对没有标记为安全的ActiveX进行初始化和脚本运行 → 启用"); return false; }

jXls.Visible = true; myWorkbook = jXls.Workbooks.Add(); jXls.DisplayAlerts = false; myWorkbook.Worksheets(3).Delete(); myWorkbook.Worksheets(2).Delete(); jXls.DisplayAlerts = true; myWorksheet = myWorkbook.ActiveSheet;

var readRow = 0, readCol = 0; var totalRow = 0, totalCol = 0; var tabNum = 0;

//设置行高、列宽 if (this.columnWidth != -1) myWorksheet.Columns.ColumnWidth = this.columnWidth; else myWorksheet.Columns.ColumnWidth = 7; if (this.rowHeight != -1) myWorksheet.Rows.RowHeight = this.rowHeight;

//搜索需要转换的Table对象，获取对应行、列数 var obj = document.all.tags("table"); for (x = 0; x if (obj[x].id == this.tableID) { tabNum = x; totalRow = obj[x].rows.length; for (i = 0; i myHTMLTableCell = obj[x].rows(0).cells(i); myCellColSpan = myHTMLTableCell.colSpan; totalCol = totalCol + myCellColSpan; } } }

//开始构件模拟表格 var excelTable = new Array(); for (i = 0; i excelTable[i] = new Array(); for (t = 0; t excelTable[i][t] = false; } }

//开始转换表格 for (z = 0; z readRow = z + 1; readCol = 0; for (c = 0; c myHTMLTableCell = obj[tabNum].rows(z).cells(c); myCellColSpan = myHTMLTableCell.colSpan; myCellRowSpan = myHTMLTableCell.rowSpan; for (y = 1; y if (excelTable[readRow][y] == false) { readCol = y; break; } } if (myCellColSpan * myCellRowSpan > 1) { myExcelCell = myWorksheet.Cells(readRow, readCol); myExcelCell2 = myWorksheet.Cells(readRow + myCellRowSpan - 1, readCol + myCellColSpan - 1); myWorksheet.Range(myExcelCell, myExcelCell2).Merge(); myExcelCell.HorizontalAlignment = this.textAlign; myExcelCell.Font.Size = this.fontSize; myExcelCell.Font.Name = this.fontStyle; myExcelCell.wrapText = this.lineWrap; myExcelCell.Interior.ColorIndex = this.backGround; myExcelCell.Font.ColorIndex = this.fontColor; if (this.tableBorder != -1) { myWorksheet.Range(myExcelCell, myExcelCell2).Borders(1).Weight = this.tableBorder; myWorksheet.Range(myExcelCell, myExcelCell2).Borders(2).Weight = this.tableBorder; myWorksheet.Range(myExcelCell, myExcelCell2).Borders(3).Weight = this.tableBorder; myWorksheet.Range(myExcelCell, myExcelCell2).Borders(4).Weight = this.tableBorder; }

myExcelCell.Value = myHTMLTableCell.innerText; for (row = readRow; row for (col = readCol; col excelTable[row][col] = true; } }

readCol = readCol + myCellColSpan; } else { myExcelCell = myWorksheet.Cells(readRow, readCol); myExcelCell.Value = myHTMLTableCell.innerText; myExcelCell.HorizontalAlignment = this.textAlign; myExcelCell.Font.Size = this.fontSize; myExcelCell.Font.Name = this.fontStyle; myExcelCell.wrapText = this.lineWrap; myExcelCell.Interior.ColorIndex = this.backGround; myExcelCell.Font.ColorIndex = this.fontColor; if (this.tableBorder != -1) { myExcelCell.Borders(1).Weight = this.tableBorder; myExcelCell.Borders(2).Weight = this.tableBorder; myExcelCell.Borders(3).Weight = this.tableBorder; myExcelCell.Borders(4).Weight = this.tableBorder; } excelTable[readRow][readCol] = true; readCol = readCol + 1; } } } if (this.autoFit == true) myWorksheet.Columns.AutoFit;

jXls.UserControl = true; jXls = null; myWorkbook = null; myWorksheet = null; };

js 导出到excel实例教程

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