由于业务需求要下载文件的功能：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="renderer" content="webkit|ie-comp|ie-stand">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no"/>
<meta http-equiv="Cache-Control" content="no-siteapp"/>
</head>
<body>
<input type="button" id="clickme" value="clickme" />
</body>
<script type="text/javascript">
function postExcelFile(params, url) { //params是post请求需要的参数，url是请求url地址
var form = document.createElement("form");
form.style.display = 'none';
form.action = url;
form.method = "post";
document.body.appendChild(form); for(var key in params){
var input = document.createElement("input");
input.type = "hidden";
input.name = key;
input.value = params[key];
form.appendChild(input);
} form.submit();
form.remove();
}
//点击导出按钮导出excel表格
clickme.onclick = function() {
var params = {};
//params.queryDateEnd='20180709';
//params.queryDate='20180709';
//params.productId=0;
// params.chnMerchant='咪咕视讯,咪咕+,内部导流';
//params.chnAttr='咪咕视讯自有渠道,咪咕互娱';
//params.chnID='101700010000009,308500040040028,101800000030119,10290001916,101400030060133';
//postExcelFile(params, "http://localhost:8082/kpi/chnOperate/export"); params.queryDate='2018-08-16';
params.productId=0;
params.channel1Id='12924,12925,12926';
params.channel2Id='332584,12927,333950,314216';
//params.channel3Id='332585,12938,333951';
//params.channel4Id='335273,332081,336699';
//params.chnID='201600010000758,202400000000006';
postExcelFile(params, "http://wxs.ngrok.xiaomiqiu.cn/kpi/chnOperate/realTime/daily/list/export");
} </script>
</html>
