js 导出到excel实例教程-js教程-PHP中文网

js 导出到excel实例教程

零下一度

发布： 2017-06-25 09:12:52

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>保存到Excel</title>
</head>
<body>
<input type="button" value="保存到Excel" onclick="JavaScript:saveAsExcel('tableId')" />
<table id="tableId">
<thead>
<tr>
<th>序列</th>
<th>名字</th>
<th>年龄</th>
<th>性别</th>
</tr>
</thead>
<tbody>
<tr>
<td>01</td>
<td>张三</td>
<td>18</td>
<td>女</td>
</tr>
<tr>
<td>02</td>
<td>李四</td>
<td>20</td>
<td>女</td>
</tr>
<tr>
<td>03</td>
<td>王五</td>
<td>22</td>
<td>男</td>
</tr>
<tr>
<td>04</td>
<td>张飞</td>
<td>100</td>
<td>男</td>
</tr>

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</tbody>
</table>
</body>
<script type="text/javascript">
/*
* 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();
}

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/*
* 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;
}

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

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

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

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

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

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

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

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

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

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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;

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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;
}

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

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

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//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;

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//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 < obj.length; x++) {
if (obj[x].id == this.tableID) {
tabNum = x;
totalRow = obj[x].rows.length;
for (i = 0; i < obj[x].rows[0].cells.length; i++) {
myHTMLTableCell = obj[x].rows(0).cells(i);
myCellColSpan = myHTMLTableCell.colSpan;
totalCol = totalCol + myCellColSpan;
}
}
}

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

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//开始转换表格
for (z = 0; z < obj[tabNum].rows.length; z++) {
readRow = z + 1;
readCol = 0;
for (c = 0; c < obj[tabNum].rows(z).cells.length; c++) {
myHTMLTableCell = obj[tabNum].rows(z).cells(c);
myCellColSpan = myHTMLTableCell.colSpan;
myCellRowSpan = myHTMLTableCell.rowSpan;
for (y = 1; y <= totalCol; 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;
}

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myExcelCell.Value = myHTMLTableCell.innerText;
for (row = readRow; row <= myCellRowSpan + readRow - 1; row++) {
for (col = readCol; col <= myCellColSpan + readCol - 1; col++) {
excelTable[row][col] = true;
}
}

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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;