讲解SpringBoot2.x服务端主动推送Sever-Send-Events
1、localhost:8080/index.html
2、需要把response的类型 改为 text/event-stream，才是sse的类型
调用的controller
@RestController
@RequestMapping("/sse")
public class SSEController {
@RequestMapping(value = "/get_data", produces = "text/event-stream;charset=UTF-8")
public String push() {
try {
Thread.sleep(1000);
//第三方数据源调用
} catch (InterruptedException e) {
e.printStackTrace();
}
return "data:xdclass 行情" + Math.random() + "\n\n";
}
}
对应的index.html页面
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
//需要判断浏览器支不支持，可以去w3c进行查看
var source = new EventSource('sse/get_data');
source.onmessage = function (event) {
console.info(event.data);
document.getElementById('result').innerText = event.data
};
</script>
</head>
<body>
模拟股票行情
<div>xdclass test</div>
<div id="result"></div>
</body>
</html>