excel 转json

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我是靠谱客的博主优美月光，最近开发中收集的这篇文章主要介绍excel 转json，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title></title>
</head>
<body>
<div class="nav">
<!-- webkitdirectory directory multiple -->
<input type="file" id="excel" />
</div>
<div id="content" style="width: 1000px; height: 500px"></div>
<script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<script
type="text/javascript"
src="https://cdn.staticfile.org/xlsx/0.15.1/xlsx.core.min.js"
></script>
<script>
$("#excel").change(function (e) {
var files = e.target.files //获取文件
read(files)
})
//传入一个文件
function read(files) {
// 以二进制方式打开文件
if (files.length == 0) {
return
}
for (let i = 0; i < files.length; i++) {
var fileReader = new FileReader()
fileReader.readAsBinaryString(files[i])
fileReader.onload = function (ev) {
try {
var data = ev.target.result
var workbook = XLSX.read(data, {
type: "binary",
}) // 以二进制流方式读取得到整份excel表格对象
persons = []
} catch (e) {
return
}
// 表格的表格范围，可用于判断表头是否数量是否正确
var fromTo = ""
// 遍历每张表读取
for (var sheet in workbook.Sheets) {
if (workbook.Sheets.hasOwnProperty(sheet)) {
fromTo = workbook.Sheets[sheet]["!ref"]
if (!fromTo) {
return
}
persons = XLSX.utils.sheet_to_json(workbook.Sheets[sheet])
console.log(persons)
var arr = new Array()
arr.push(persons)
document.getElementById("content").innerHTML =
formatJson(persons)
//document.getElementById("content").innerHTML = JSON.stringify(arr);
}
}
}
}
}
function formatJson(msg) {
var rep = "~"
var jsonStr = JSON.stringify(msg, null, rep)
var str = ""
for (var i = 0; i < jsonStr.length; i++) {
var text = jsonStr.charAt(i)
if (i > 1) {
var text = jsonStr.charAt(i - 1)
if (rep != text && rep == text2) {
str += "<br/>"
}
}
str += text
}
jsonStr = ""
for (var i = 0; i < str.length; i++) {
var text2 = str.charAt(i)
if (rep == text2)
jsonStr += "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"
else {
jsonStr += text2
}
if (i == str.length - 2) jsonStr += "<br/>"
}
return jsonStr
}
</script>
</body>
</html>