导入Excel文件到表格HTML页面
Import Excel file to a table of HTML page
我有一个简单的Excel文件在我的电脑"D:/Book1.xls"。我想导入它来制作一个表,并将表附加到HTML页面中的div
标记。
你能修改我下面的代码吗?
<!DOCTYPE html>
<html>
<head>
<meta charset="EUC-KR">
<title>Insert title here</title>
<style type="text/css">
</style>
<script src='http://alasql.org/console/alasql.min.js'></script>
<script src='http://alasql.org/console/xlsx.core.min.js'></script>
<script src="./libs/jquery-2.1.4.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alasql('select * into html("#res",{headers:true}) '
from xlsx("d:/Book1.xls",'
{headers:true})');
alert("end of function")
});
</script>
</head>
<body>
<div id="res">res</div>
</body>
</html>
问题是您试图直接从网页访问文件,这是不可能的。您无法在浏览器之外访问任何文件。为此,您必须选择html的输入元素,并在获得文件数据后,您可以将其存储到javascript变量。
<script src="alasql.min.js"></script>
<script src="xlsx.core.min.js"></script>
<p>Select CSV file to read:</p>
<input id="readfile" type="file" onchange="loadFile(event)"/>
<script>
function loadFile(event) {
alasql('SELECT * FROM FILE(?,{headers:true})',[event],function(data){
console.log(data);
// You can data to div also.
});
}
</script>
脚本
<script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.8.3.js"></script>
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.11.1/jquery-ui.min.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/infragistics.core.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/infragistics.lob.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_core.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_collections.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_text.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_io.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_ui.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.documents.core_core.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_collectionsextended.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.excel_core.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_threading.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.ext_web.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.xml.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.documents.core_openxml.js"></script>
<script type="text/javascript" src="http://cdn-na.infragistics.com/igniteui/2018.2/latest/js/modules/infragistics.excel_serialization_openxml.js"></script>
JS
$(function () {
$("#input").on("change", function () {
var excelFile,
fileReader = new FileReader();
$("#result").hide();
fileReader.onload = function (e) {
var buffer = new Uint8Array(fileReader.result);
$.ig.excel.Workbook.load(buffer, function (workbook) {
var column, row, newRow, cellValue, columnIndex, i,
worksheet = workbook.worksheets(0),
columnsNumber = 0,
gridColumns = [],
data = [],
worksheetRowsCount;
// Both the columns and rows in the worksheet are lazily created and because of this most of the time worksheet.columns().count() will return 0
// So to get the number of columns we read the values in the first row and count. When value is null we stop counting columns:
while (worksheet.rows(0).getCellValue(columnsNumber)) {
columnsNumber++;
}
// Iterating through cells in first row and use the cell text as key and header text for the grid columns
for (columnIndex = 0; columnIndex < columnsNumber; columnIndex++) {
column = worksheet.rows(0).getCellText(columnIndex);
gridColumns.push({ headerText: column, key: column });
}
// We start iterating from 1, because we already read the first row to build the gridColumns array above
// We use each cell value and add it to json array, which will be used as dataSource for the grid
for (i = 1, worksheetRowsCount = worksheet.rows().count(); i < worksheetRowsCount; i++) {
newRow = {};
row = worksheet.rows(i);
for (columnIndex = 0; columnIndex < columnsNumber; columnIndex++) {
cellValue = row.getCellText(columnIndex);
newRow[gridColumns[columnIndex].key] = cellValue;
}
data.push(newRow);
}
// we can also skip passing the gridColumns use autoGenerateColumns = true, or modify the gridColumns array
createGrid(data, gridColumns);
}, function (error) {
$("#result").text("The excel file is corrupted.");
$("#result").show(1000);
});
}
if (this.files.length > 0) {
excelFile = this.files[0];
if (excelFile.type === "application/vnd.ms-excel" || excelFile.type === "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" || (excelFile.type === "" && (excelFile.name.endsWith("xls") || excelFile.name.endsWith("xlsx")))) {
fileReader.readAsArrayBuffer(excelFile);
} else {
$("#result").text("The format of the file you have selected is not supported. Please select a valid Excel file ('.xls, *.xlsx').");
$("#result").show(1000);
}
}
})
});
function createGrid(data, gridColumns) {
if ($("#grid1").data("igGrid") !== undefined) {
$("#grid1").igGrid("destroy");
}
$("#grid1").igGrid({
columns: gridColumns,
autoGenerateColumns: true,
dataSource: data,
width: "100%",
});
}
HTML <input type="file" id="input" accept="application/vnd.ms-excel, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />
<div id="result"></div>
<table id="grid1"></table>
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