计算机系统应用教程网站

网站首页 > 技术文章 正文

html+JS 实现对excel的导入和导出

btikc 2025-01-08 11:30:21 技术文章 16 ℃ 0 评论

先看效果:


需求:

1、取到外箱下面的所有子包


2、 PSN和箱号一一对应


3、需要将子包的内容,截取对应的数据,整合到一个excel中


一、我们需要用到xlsx.full.min.js 这个js文件,用于导入和导出excel的,可以自行下载

二、创建html脚本

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		
	</head>
	<body>
		<input type="file" id="file-input" />
		<input type="file" id="file-input2" />
		<input  type="button" id="btn" value="导出到excel"/>
		<table id="table" border="1" cellspacing="0" cellpadding="0" width="1500px">
			<thead>
				<tr>
					<th>厂内外箱*箱号</th>
					<th>箱号</th>
					<th>PSN</th>
					<th>P/N</th>
					<th>MPN</th>
					<th>vendor Code</th>
					<th>Date Code</th>
					<th>Let NO.</th>
					<th>QTY</th>
					<th>Manufactuer</th>
					<th>Country of Qrigin</th>
					<th>MFG Code</th>
					<th>Ver</th>
				</tr>
				<tbody></tbody>
			</thead>
		</table>
</html>

三、 添加第一个按钮和第二个按钮导入excel的js事件

①、这里第一个按钮导入之后,取到外箱,得到对应的子包,保存在{a:[a1,a2]} 这样的对象格式中,createDynamicObject 这个方法是实现该功能的

②、$('#file-input2').click() 这个事件,是导入第二张excel后,取到PSN和箱号,然后和第一张表取到的对象进行对比,然后将子包的数据动态添加到表格中

<script src="js/jquery.js"></script>
		<script src="js/xlsx.full.min.js"></script>
		<script src="js/export.js"></script>
		<script>
			var arr=[];
			var arr1=[];
			let values=[];
			let myObject=null;
			let cool={};
			function createDynamicObject(keys, valuesArray) {
			    var obj = {};
			    for (var i = 0; i < arr1.length; i++) {
			        var key = arr1[i];
			        var value = values.length > i ? values[i] : [];
			        obj[key] = Array.isArray(value) ? value : [value];
			    }
			    return obj;
			}
			$('#file-input').change(function(e){
				var file=e.target.files[0];
				var reader=new FileReader();
				reader.onload=function(e){
					var data=e.target.result;
					var wk=XLSX.read(data,{type:'binary'});
					var sheetName=wk.SheetNames[0];
					var sheet=wk.Sheets[sheetName];
					var len1=sheet['!ref'].split(':')[1];
					var len=parseInt(len1.substring(1,len1.length));
					let j=0;
					console.log(len)
					for(var i=2;i<len;i++){
						if(sheet[`E${i}`]!= undefined){
							let wx=sheet[`E${i}`].v;
							if(wx=='外箱'){
								let pn=sheet[`F${i}`].v;
								arr[j]=i;
								arr1[j]=pn;
								j++;
							}
						}
						
					}
						for(let ii=0;ii<arr.length;ii++){
							values[ii]=[];
							let ii_1=0;
							for(let jj=arr[ii];ii<=arr.length-1&&jj<arr[ii+1];jj++){
								     
									let wx1=sheet[`E${jj}`].v;
									if(wx1=='小包'){
										let pn1=sheet[`H${jj}`].v;
										values[ii][ii_1]=pn1;
										ii_1++;
									}
							}
						}
					myObject = createDynamicObject(arr1, values);

				}
				reader.readAsBinaryString(file);
			})
			$('#file-input2').change(function(e){
				var file1=e.target.files[0];
				var reader1=new FileReader();
				reader1.onload=function(e){
					var data1=e.target.result;
					var wk=XLSX.read(data1,{type:'binary'});
					var sheetName=wk.SheetNames[0];
					var sheet=wk.Sheets[sheetName];
					var len1_1=sheet['!ref'].split(':')[1];
					var len_1=parseInt(len1_1.substring(1,len1_1.length));
					let j=0;
					for(var a=2;a<len_1;a++){
						let k=sheet[`B${a}`].v;
						let v=sheet[`C${a}`].v;
						cool[k]=v;
					}
					var table=$('#table');
					Object.keys(cool).forEach(key=>{
						Object.keys(myObject).forEach(key_1=>{
						   if(key==key_1){
							   for(var j=0;j<myObject[key_1].length;j++){
								   let tr=$('<tr></tr>');
								    let num1=cool[key];
								   let td0=$(`<td class="num_1">${key_1}*${num1}</td>`);
								   tr.append(td0);
								  
								   let td1=$(`<td class="num_1">${num1}</td>`);
								   tr.append(td1);
								   let num2=myObject[key_1][j];
								   let td2=$(`<td class="num_1">${num2.substring(48,48+27)}</td>`);
								   	tr.append(td2);
								   	let td3=$(`<td class="num_1">${num2.substring(6,6+8)}</td>`); 
								   	tr.append(td3);
								   	let td4=$(`<td class="num_1" width="200px">${num2.substring(16,16+16)}</td>`);
								   	tr.append(td4);
								   	let td5=$(`<td class="num_1" >${num2.substring(33,33+6)}</td>`);
								   	tr.append(td5);
								   	let td6=$(`<td class="num_1">${num2.substring(41,41+4)}</td>`);
								   	tr.append(td6);
								   	let td7=$(`<td class="num_1">${num2.substring(77,77+5)}</td>`);
								   	tr.append(td7);
								   	let td8=$(`<td class="num_1">${num2.substring(83,83+3)}</td>`);
								   	tr.append(td8);
								   	let td9=$(`<td class="num_1">${num2.substring(87,87+7)}</td>`);
								   	tr.append(td9);
								   	let td10=$(`<td class="num_1">${num2.substring(96,96+5)}</td>`);
								   	tr.append(td10);
								   	let td11=$(`<td class="num_1">${num2.substring(103,103+6)}</td>`);
								   	tr.append(td11);
								   	let td12=$(`<td class="num_1">${num2.substring(111,111+1)}</td>`);
								   	tr.append(td12);
								   	$('tbody').append(tr);
							   }
						   }
						})
					});
				}
				reader1.readAsBinaryString(file1);
			});

三、导出excel ,自己封装了个js,export.js

// 将一个sheet转成最终的excel文件的blob对象,然后利用URL.createObjectURL下载
function sheet2blob(sheet, sheetName) {
    sheetName = sheetName || 'sheet1';
    var workbook = {
        SheetNames: [sheetName],
        Sheets: {}
    };
    workbook.Sheets[sheetName] = sheet; // 生成excel的配置项

    var wopts = {
        bookType: 'xlsx', // 要生成的文件类型
        bookSST: false, // 是否生成Shared String Table,官方解释是,如果开启生成速度会下降,但在低版本IOS设备上有更好的兼容性
        type: 'binary'
    };
    var wbout = XLSX.write(workbook, wopts);
    var blob = new Blob([s2ab(wbout)], {
        type: "application/octet-stream"
    }); // 字符串转ArrayBuffer
    function s2ab(s) {
        var buf = new ArrayBuffer(s.length);
        var view = new Uint8Array(buf);
        for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
        return buf;
    }
    return blob;
}

function openDownloadDialog(url, saveName) {
    if (typeof url == 'object' && url instanceof Blob) {
        url = URL.createObjectURL(url); // 创建blob地址
    }
    var aLink = document.createElement('a');
    aLink.href = url;
    aLink.download = saveName || ''; // HTML5新增的属性,指定保存文件名,可以不要后缀,注意,file:///模式下不会生效
    var event;
    if (window.MouseEvent) event = new MouseEvent('click');
    else {
        event = document.createEvent('MouseEvents');
        event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    }
    aLink.dispatchEvent(event);
}

在html里面调用:

	$('#btn').click(function(){
				var table1 = document.querySelector("#table");
				var sheet = XLSX.utils.table_to_sheet(table1);//将一个table对象转换成一个sheet对象
				openDownloadDialog(sheet2blob(sheet),'下载.xlsx');
			})
			

整体代码如下:

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		
	</head>
	<body>
		<input type="file" id="file-input" />
		<input type="file" id="file-input2" />
		<input  type="button" id="btn" value="导出到excel"/>
		<table id="table" border="1" cellspacing="0" cellpadding="0" width="1500px">
			<thead>
				<tr>
					<th>厂内外箱*箱号</th>
					<th>箱号</th>
					<th>PSN</th>
					<th>P/N</th>
					<th>MPN</th>
					<th>vendor Code</th>
					<th>Date Code</th>
					<th>Let NO.</th>
					<th>QTY</th>
					<th>Manufactuer</th>
					<th>Country of Qrigin</th>
					<th>MFG Code</th>
					<th>Ver</th>
				</tr>
				<tbody></tbody>
			</thead>
		</table>
		<script src="js/jquery.js"></script>
		<script src="js/xlsx.full.min.js"></script>
		<script src="js/export.js"></script>
		<script>
			var arr=[];
			var arr1=[];
			let values=[];
			let myObject=null;
			let cool={};
			function createDynamicObject(keys, valuesArray) {
			    var obj = {};
			    for (var i = 0; i < arr1.length; i++) {
			        var key = arr1[i];
			        var value = values.length > i ? values[i] : [];
			        obj[key] = Array.isArray(value) ? value : [value];
			    }
			    return obj;
			}
			$('#file-input').change(function(e){
				var file=e.target.files[0];
				var reader=new FileReader();
				reader.onload=function(e){
					var data=e.target.result;
					var wk=XLSX.read(data,{type:'binary'});
					var sheetName=wk.SheetNames[0];
					var sheet=wk.Sheets[sheetName];
					var len1=sheet['!ref'].split(':')[1];
					var len=parseInt(len1.substring(1,len1.length));
					let j=0;
					console.log(len)
					for(var i=2;i<len;i++){
						if(sheet[`E${i}`]!= undefined){
							let wx=sheet[`E${i}`].v;
							if(wx=='外箱'){
								let pn=sheet[`F${i}`].v;
								arr[j]=i;
								arr1[j]=pn;
								j++;
							}
						}
						
					}
						for(let ii=0;ii<arr.length;ii++){
							values[ii]=[];
							let ii_1=0;
							for(let jj=arr[ii];ii<=arr.length-1&&jj<arr[ii+1];jj++){
								     
									let wx1=sheet[`E${jj}`].v;
									if(wx1=='小包'){
										let pn1=sheet[`H${jj}`].v;
										values[ii][ii_1]=pn1;
										ii_1++;
									}
							}
						}
					myObject = createDynamicObject(arr1, values);

				}
				reader.readAsBinaryString(file);
			})
			$('#file-input2').change(function(e){
				var file1=e.target.files[0];
				var reader1=new FileReader();
				reader1.onload=function(e){
					var data1=e.target.result;
					var wk=XLSX.read(data1,{type:'binary'});
					var sheetName=wk.SheetNames[0];
					var sheet=wk.Sheets[sheetName];
					var len1_1=sheet['!ref'].split(':')[1];
					var len_1=parseInt(len1_1.substring(1,len1_1.length));
					let j=0;
					for(var a=2;a<len_1;a++){
						let k=sheet[`B${a}`].v;
						let v=sheet[`C${a}`].v;
						cool[k]=v;
					}
					var table=$('#table');
					Object.keys(cool).forEach(key=>{
						Object.keys(myObject).forEach(key_1=>{
						   if(key==key_1){
							   for(var j=0;j<myObject[key_1].length;j++){
								   let tr=$('<tr></tr>');
								    let num1=cool[key];
								   let td0=$(`<td class="num_1">${key_1}*${num1}</td>`);
								   tr.append(td0);
								  
								   let td1=$(`<td class="num_1">${num1}</td>`);
								   tr.append(td1);
								   let num2=myObject[key_1][j];
								   let td2=$(`<td class="num_1">${num2.substring(48,48+27)}</td>`);
								   	tr.append(td2);
								   	let td3=$(`<td class="num_1">${num2.substring(6,6+8)}</td>`); 
								   	tr.append(td3);
								   	let td4=$(`<td class="num_1" width="200px">${num2.substring(16,16+16)}</td>`);
								   	tr.append(td4);
								   	let td5=$(`<td class="num_1" >${num2.substring(33,33+6)}</td>`);
								   	tr.append(td5);
								   	let td6=$(`<td class="num_1">${num2.substring(41,41+4)}</td>`);
								   	tr.append(td6);
								   	let td7=$(`<td class="num_1">${num2.substring(77,77+5)}</td>`);
								   	tr.append(td7);
								   	let td8=$(`<td class="num_1">${num2.substring(83,83+3)}</td>`);
								   	tr.append(td8);
								   	let td9=$(`<td class="num_1">${num2.substring(87,87+7)}</td>`);
								   	tr.append(td9);
								   	let td10=$(`<td class="num_1">${num2.substring(96,96+5)}</td>`);
								   	tr.append(td10);
								   	let td11=$(`<td class="num_1">${num2.substring(103,103+6)}</td>`);
								   	tr.append(td11);
								   	let td12=$(`<td class="num_1">${num2.substring(111,111+1)}</td>`);
								   	tr.append(td12);
								   	$('tbody').append(tr);
							   }
						   }
						})
					});
				}
				reader1.readAsBinaryString(file1);
			});
			$('#btn').click(function(){
				var table1 = document.querySelector("#table");
				var sheet = XLSX.utils.table_to_sheet(table1);//将一个table对象转换成一个sheet对象
				openDownloadDialog(sheet2blob(sheet),'下载.xlsx');
			})
			

		</script>
	</body>
</html>

希望能给大家一些启发,能帮到大家!

本文暂时没有评论,来添加一个吧(●'◡'●)

欢迎 发表评论:

最近发表
标签列表