自己临时修改别人的SheetJS调用方法
自己在别人基础上,临时修改的代码,
<html> <head> <title>JS-XLSX Live Demo</title> <style> #drop { border: 2px dashed #bbb; -moz-border-radius: 5px; -webkit-border-radius: 5px; border-radius: 5px; padding: 25px; text-align: center; font: 20pt bold,"Vollkorn"; color: #bbb } #b64data { width: 100%; } a { text-decoration: none } button { } </style> <script type="text/javascript" src="dist/xlsx.full.min.js"></script> <script type="text/javascript" src="dist/xlsx.core.min.js"></script> <script type="text/javascript" src="dist/jquery.min.js"></script> </head> <body> <pre> <input type="file" name="xlfile" id="xlf" onchange="importf(this)"> </pre> <pre id="out"></pre> <br> <div id="demo"></div> <script> /* FileReader共有4种读取方法: 1.readAsArrayBuffer(file):将文件读取为ArrayBuffer。 2.readAsBinaryString(file):将文件读取为二进制字符串 3.readAsDataURL(file):将文件读取为Data URL 4.readAsText(file, [encoding]):将文件读取为文本,encoding缺省值为'UTF-8' */ var workbook;//读取完成的数据 var rABS = false; //是否将文件读取为二进制字符串 function importf(obj) {//导入 debugger; if (!obj.files) { return; } var f = obj.files[0]; var reader = new FileReader(); reader.onload = function (e) { var data = e.target.result; if (rABS) { workbook = XLSX.read(btoa(fixdata(data)), {//手动转化 type: 'base64' }); } else { workbook = XLSX.read(data, { type: 'binary' }); } // 循环页签取数 console.log("页签数量:" + workbook.SheetNames.length); var showHtml = ""; for (var sheetNum = 0; sheetNum < Number(workbook.SheetNames.length); sheetNum++) { var first_sheet_name = workbook.SheetNames[sheetNum]; // 获取工作簿中的工作表名字 console.log("workbook.SheetNames[0]" + first_sheet_name) var address_of_cell = 'B1'; // 提供一个引用样式(单元格下标) var address_of_cell2 = 'B2'; // 提供一个引用样式(单元格下标) var worksheet = workbook.Sheets[first_sheet_name]; // 获取对应的工作表对象 // console.log(worksheet['!ref']) // 获得该excel的内容范围 例如: A1:F30 var scope = worksheet['!ref']; if (scope == undefined) { console.log("文件格式有误!") showHtml = showHtml + first_sheet_name + "页签解析有误,请检查格式是否正确! <br />" break; } else { showHtml = showHtml + first_sheet_name + "页签已解析完成 <br />" } // js截取某个字符串后面的内容: scope = scope.match(/:(\S*)/)[1]; // 获取表格边界 例如:F30 console.log(scope); var reg = /[A-Z]/g; char_scope = scope.match(reg); // console.log("===========" + char_scope); // 用正则去除字符串种的数字,获取表格边界字母值 例如:F var scopeLetter = scope.replace(/\d+/g, ''); console.log("=====ssss======" +scopeLetter); // 用正则将非数字的去除,获取表格边界行值 例如:30 var scopeNum = scope.replace(/[^0-9]/ig, ""); // console.log(Number(scopeNum)+1); // 表名称 var tableName = ""; // 表注释 var tableNameNote = ""; // 创建表结构的字符串 var tableSql = "create table "; // 创建表字段注释字符串 var tableNote = ""; // 创建表的主键字符串 var tablePk = ""; // // 循环获取数据 for (var num = 1; num < Number(scopeNum) + 1; num++) { // 循环边界行值 var isNull = "";// 是否为空 var def = ""; // 默认值 for (var i = 0; i < 26; i++) {// 循环边界字母值 var letters = String.fromCharCode(65 + i); // 字母 console.log(String.fromCharCode(65+i)+num);//输出A-Z 26个大写字母 var address_cell = String.fromCharCode(65 + i) + num; // 提供一个引用样式(单元格下标) var desired_cell = worksheet[address_cell];// 获取对应的单元格对象 var desired_value = (desired_cell ? desired_cell.v : undefined);// 获取对应的单元格对象的值 console.log(desired_value) // 表结构字符串 } } console.log(tableSql); console.log(tableNote); console.log(tablePk); //function download(filename, text) { // var element = document.createElement('a'); // element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text)); // element.setAttribute('download', filename); // element.style.display = 'none'; // document.body.appendChild(element); // element.click(); // document.body.removeChild(element); //} //download(first_sheet_name + ".sql", tableSql + "\n" + tableNote + "\n" + tablePk); } document.getElementById("demo").innerHTML = showHtml; }; if (rABS) { reader.readAsArrayBuffer(f); } else { reader.readAsBinaryString(f); } } function fixdata(data) { //文件流转BinaryString var o = "", l = 0, w = 10240; for (; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w))); o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w))); return o; } </script> </body> </html>
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https://www.cnblogs.com/alexgl2008/