add sidecar examples

spring-cloud-alibaba-examples/spring-cloud-alibaba-sidecar-examples/node-service.js

@@ -0,0 +1,26 @@
+var http = require('http');
+var url = require("url");
+var path = require('path');
+
+// 创建server
+var server = http.createServer(function(req, res) {
+    // 获得请求的路径
+    var pathname = url.parse(req.url).pathname;
+    res.writeHead(200, { 'Content-Type' : 'application/json; charset=utf-8' });
+    // 访问http://localhost:8060/，将会返回{"index":"欢迎来到首页"}
+    if (pathname === '/') {
+        res.end(JSON.stringify({ "index" : "欢迎来到首页" }));
+    }
+    // 访问http://localhost:8060/health，将会返回{"status":"UP"}
+    else if (pathname === '/health.json') {
+        res.end(JSON.stringify({ "status" : "UP" }));
+    }
+    // 其他情况返回404
+    else {
+        res.end("404");
+    }
+});
+// 创建监听，并打印日志
+server.listen(8060, function() {
+    console.log('listening on localhost:8060');
+});