chat

assets/js/socket.js

@@ -0,0 +1,45 @@
+const that = {
+  controller: new Map(),
+  connection: null,
+  onclose: null,
+  onerror: null,
+  onopen: null,
+  onmessage: null,
+  delay: 0,
+  init: (link) => {
+    that.connection = new WebSocket(link)
+    that.connection.onopen = (event) => {
+      that.delay = 0
+      console.log("Open connection")
+      that.connection.send(JSON.stringify({ fm: "chat", data: `Link Start! ${that.delay}` }))
+      // 检查消息版本, 从最后时间向前查20条
+      // 当向上滚动时, 从本地最早时间向前查询20条
+      // 落日志与合并日志
+      if (that.onopen) that.onopen();
+    }
+    that.connection.onmessage = (event) => {
+      console.log("[message]", event.data)
+      let data = JSON.parse(event.data)
+      console.log(event.data, "xxxxxxxxxxxxxx")
+      let call = that.controller.get(data.fm)
+      if (call) call(data)
+      if (that.onmessage) that.onmessage();
+    }
+    that.connection.onclose = (event) => {
+      if (event.wasClean) {
+        console.log(`[close] code=${event.code} reason=${event.reason}`);
+      } else {
+        that.delay++
+        console.log(`[close] 连接中断${that.delay}第次, 尝试重连(延时${that.delay} s)`);
+        setTimeout(that.init(link), that.delay * 1000)
+      }
+      if (that.onclose) that.onclose()
+    };
+    that.connection.onerror = (error) => {
+      console.log(`[error] ${error.message}`);
+      if (that.onerror) that.onerror()
+    };
+  }
+}
+
+export default that