数据库文件更新

2020-05-09 12:21:09 +08:00
parent ed35d06208
commit 3266dd4a2f
11 changed files with 62560 additions and 1 deletions
@@ -0,0 +1,59 @@
+require(['jquery', 'sheetjs'], function($, XLSX) {
+
+	// var wopts = { bookType: 'csv', bookSST: false, type: 'binary' };//ods格式
+	var wopts = { bookType: 'xlsx', bookSST: false, type: 'binary' };//这里的数据是用来定义导出的格式类型
+	// var wopts = { bookType: 'ods', bookSST: false, type: 'binary' };//ods格式
+	// var wopts = { bookType: 'xlsb', bookSST: false, type: 'binary' };//xlsb格式
+	// var wopts = { bookType: 'fods', bookSST: false, type: 'binary' };//fods格式
+	// var wopts = { bookType: 'biff2', bookSST: false, type: 'binary' };//xls格式
+
+	var xls = {
+		downloadExl: function (data, fileName) {
+			checkFileIn();
+			var wb = { SheetNames: ['Sheet1'], Sheets: {}, Props: {} };
+			wb.Sheets['Sheet1'] = XLSX.utils.json_to_sheet(data);//通过json_to_sheet转成单页(Sheet)数据
+			this.saveAs(new Blob([this.s2ab(XLSX.write(wb, wopts))], { type: "application/octet-stream" }), fileName + '.' + (wopts.bookType=="biff2"?"xls":wopts.bookType));
+		},
+
+		//如果使用 FileSaver.js 就不要同时使用以下函数
+		saveAs: function(obj, fileName) {
+			//当然可以自定义简单的下载文件实现方式 
+			var tmpa = document.createElement("a");
+			tmpa.download = fileName || "下载";
+			//绑定a标签
+			tmpa.href = URL.createObjectURL(obj);
+			tmpa.click(); //模拟点击实现下载
+			setTimeout(function () { //延时释放
+				URL.revokeObjectURL(obj); //用URL.revokeObjectURL()来释放这个object URL
+			}, 100);
+		},
+
+		s2ab: function(s) {
+			if (typeof ArrayBuffer !== 'undefined') {
+				var buf = new ArrayBuffer(s.length);
+				var view = new Uint8Array(buf);
+				for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
+				return buf;
+			} else {
+				var buf = new Array(s.length);
+				for (var i = 0; i != s.length; ++i) buf[i] = s.charCodeAt(i) & 0xFF;
+				return buf;
+			}
+		}
+	};
+
+	checkFileIn = function(){
+		if($("script[src='/static/js/js-xlsx/xlsx.full.min.js']").length > 0){
+			return;
+		}else{
+			var body = $("body");
+			var script = $("<script>");
+			$(script).attr('type','text/javascript');
+			$(script).attr('src','/static/js/js-xlsx/xlsx.full.min.js');
+			$(body).append(script);
+		}
+	}
+
+	window.xls = xls;
+	return xls;
+});