前端html和js代码如下：
代码语言：javascript复制<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js" crossorigin="anonymous"></script>
<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script src="static/lib/ajaxfileupload.js" crossorigin="anonymous"></script>
<script src="static/lib/ajaxfile.js" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
<div class="bs-docs-section">
<h1 id="forms" class="page-header">坐标系转换</h1>
<h2 id="forms-example">功能说明</h2>
<p>坐标转换
此功能用于百度坐标系(bd-09)、火星坐标系(国测局坐标系、gcj02)、WGS84坐标系的相互转换</p>
<div class="bs-example" data-example-id="basic-forms">
<form>
<div class="form-group">
<label for="selectTransform">选择转换类型</label>
<select class="form-control" id="selectTransform">
<option value="gcj02_to_bd09">gcj02到bd09</option>
<option value="bd09_to_gcj02">bd09到gcj02</option>
<option value="wgs84_to_gcj02">wgs84到gcj02</option>
<option value="gcj02_to_wgs84">gcj02到wgs84</option>
<option value="bd09_to_wgs84">bd09到wgs84</option>
<option value="wgs84_to_bd09">wgs84到bd09</option>
</select>
</div>
<div class="form-group">
<label for="exampleInputFile">上传你的Excel文件(经度列名改为"经度"，纬度列名改为"纬度")</label>
<input type="file" name="xlsx" id="xlsx" required data-type="xlsx" onchange="javascript:ajaxFileUpload(this)">
</div>
<button type="submit" class="btn btn-default">提交</button>
</form>
</div>
</div>
</div>
<script type="text/javascript">
$('form').submit(function(e) {
e.preventDefault();
if (!$('#xlsx').val().endsWith('.xlsx')) {
alert('必须上传正确的格式为xlsx的Excel文件');
return false;
}
var uid = $('#xlsx').data('value');
if (!uid) {
alert('提交之前必须先上传正确的文件');
return false;
}
$.post('/coordTransform', {
uid: uid,
transform: $('#selectTransform').val()
}, function(data) {
console.log(data);
if (data['result'] == 1) {
alert('开始下载转换坐标后的Excel文件');
window.open(`/static/files/xlsx/${uid}_convert.xlsx`);
}
})
});
</script>
</body>
</html>
