myproject.io
/
前端导出xslx.html

<!DOCTYPE html>
<html>

<head>
	<meta charset="UTF-8">
	<title></title>
	<script src="http://oss.sheetjs.com/js-xlsx/xlsx.full.min.js"></script>
</head>

<body>
	<button onclick="downloadExl(jsono)">导出</button>
	<!--
            以下a标签不需要内容
        -->
	<a href="" download="这里是下载的文件名.xlsx" id="hf"></a>
	<script>
		var jsono = [{ //测试数据
			"保质期临期预警(天)": "adventLifecycle",
			"商品标题": "title",
			"建议零售价": "defaultPrice",
			"高(cm)": "height",
			"商品描述": "Description",
			"保质期禁售(天)": "lockupLifecycle",
			"商品名称": "skuName",
			"商品简介": "brief",
			"宽(cm)": "width",
			"阿达": "asdz",
			"货号": "goodsNo",
			"商品条码": "skuNo",
			"商品品牌": "brand",
			"净容积(cm^3)": "netVolume",
			"是否保质期管理": "isShelfLifeMgmt",
			"是否串号管理": "isSNMgmt",
			"商品颜色": "color",
			"尺码": "size",
			"是否批次管理": "isBatchMgmt",
			"商品编号": "skuCode",
			"商品简称": "shortName",
			"毛重(g)": "grossWeight",
			"长(cm)": "length",
			"英文名称": "englishName",
			"净重(g)": "netWeight",
			"商品分类": "categoryId",
			"这里超过了": 1111.0,
			"保质期(天)": "expDate"
		}];
		var tmpDown; //导出的二进制对象
		function downloadExl(json, type) {
			var tmpdata = json[0];
			json.unshift({});
			var keyMap = []; //获取keys
			//keyMap =Object.keys(json[0]);
			for (var k in tmpdata) {
				keyMap.push(k);
				json[0][k] = k;
			}
			var tmpdata = [];//用来保存转换好的json
			json.map((v, i) => keyMap.map((k, j) => Object.assign({}, {
				v: v[k],
				position: (j > 25 ? getCharCol(j) : String.fromCharCode(65 + j)) + (i + 1)
			}))).reduce((prev, next) => prev.concat(next)).forEach((v, i) => tmpdata[v.position] = {
				v: v.v
			});
			var outputPos = Object.keys(tmpdata); //设置区域,比如表格从A1到D10
			var tmpWB = {
				SheetNames: ['mySheet'], //保存的表标题
				Sheets: {
					'mySheet': Object.assign({},
						tmpdata, //内容
						{
							'!ref': outputPos[0] + ':' + outputPos[outputPos.length - 1] //设置填充区域
						})
				}
			};
			tmpDown = new Blob([s2ab(XLSX.write(tmpWB,
				{ bookType: (type == undefined ? 'xlsx' : type), bookSST: false, type: 'binary' }//这里的数据是用来定义导出的格式类型
			))], {
					type: ""
				}); //创建二进制对象写入转换好的字节流
			var href = URL.createObjectURL(tmpDown); //创建对象超链接
			document.getElementById("hf").href = href; //绑定a标签
			document.getElementById("hf").click(); //模拟点击实现下载
			setTimeout(function () { //延时释放
				URL.revokeObjectURL(tmpDown); //用URL.revokeObjectURL()来释放这个object URL
			}, 100);
		}

		function s2ab(s) { //字符串转字符流
			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;
		}
		// 将指定的自然数转换为26进制表示。映射关系：[0-25] -> [A-Z]。
		function getCharCol(n) {
			let temCol = '',
				s = '',
				m = 0
			while (n > 0) {
				m = n % 26 + 1
				s = String.fromCharCode(m + 64) + s
				n = (n - m) / 26
			}
			return s
		}
	</script>
</body>

</html>