完整代码：
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta charset="utf-8">
<title>SAPUI5 Sandbox</title>
<script
id="sap-ui-bootstrap"
src="https:///resources/sap-ui-core.js"
data-sap-ui-theme="sap_belize"
data-sap-ui-libs="sap.m,sap.ui.layout"
data-sap-ui-compatVersion="edge"
data-sap-ui-preload="async">
</script>
<script>
sap.ui.getCore().attachInit(function () {
var oInput = new sap.m.Input({
liveChange : function(oEvent) {
var changedValue = oEvent.getParameter('newValue');
console.log('live change event: ' + changedValue);
jQuery.ajax({
url:"http://localhost:3000/echo?data=" + changedValue,
dataType: 'text',
async:true,
success:
(oResponse) => {
oResult.setText(oResponse);
}
});
}
});
var oVerticalLayout = new sap.ui.layout.VerticalLayout();
oVerticalLayout.addContent(oInput);
var oHorizontalLayout = new sap.ui.layout.HorizontalLayout();
var oLabel = new sap.m.Label({
text: 'Response:',
labelFor: 'result',
design: 'Bold'
});
var oResult = new sap.m.Text('result');
oHorizontalLayout.addContent(oLabel);
oHorizontalLayout.addContent(oResult);
oVerticalLayout.addContent(oHorizontalLayout);
oVerticalLayout.placeAt("content");
});
</script>
</head>
<body class="sapUiBody" role="application">
<div id="content"></div>
</body>
</html>
nodejs实现：
app.get('/echo', function(req, res){
var arg = url.parse(req.url).query;
var params = qs.parse(arg);
setTimeout(() => res.send(params.data),1000);
});
测试结果：
