Jeecg Boot 2.2.1 版本发布，低代码平台

ant-design-vue-jeecg/src/mixins/JeecgListMixin.js

@@ -297,7 +297,8 @@ export const JeecgListMixin = {
       return getFileAccessHttpUrl(text)
     },
     /* 文件下载 */
-    uploadFile(text){
+    // update--autor:lvdandan-----date:20200630------for：修改下载文件方法名uploadFile改为downloadFile------
+    downloadFile(text){
       if(!text){
         this.$message.warning("未知的文件")
         return;

ant-design-vue-jeecg/src/mixins/WebsocketMixin.js

@@ -0,0 +1,59 @@
+import store from '@/store/'
+export const WebsocketMixin = {
+  mounted() {
+    this.initWebSocket();
+  },
+  destroyed: function () {
+    // 离开页面生命周期函数
+    this.websocketOnclose();
+  },
+  methods:{
+    initWebSocket: function () {
+      console.log("------------WebSocket连接成功");
+      // WebSocket与普通的请求所用协议有所不同，ws等同于http，wss等同于https
+      var userId = store.getters.userInfo.id;
+      if(!this.socketUrl.startsWith('/')){
+        this.socketUrl = '/' + this.socketUrl
+      }
+      if(!this.socketUrl.endsWith('/')){
+        this.socketUrl = this.socketUrl + '/'
+      }
+      var url = window._CONFIG['domianURL'].replace("https://","wss://").replace("http://","ws://") + this.socketUrl + userId;
+      this.websock = new WebSocket(url);
+      this.websock.onopen = this.websocketOnopen;
+      this.websock.onerror = this.websocketOnerror;
+      this.websock.onmessage = this.websocketOnmessage;
+      this.websock.onclose = this.websocketOnclose;
+    },
+    websocketOnopen: function () {
+      console.log("WebSocket连接成功");
+    },
+    websocketOnerror: function (e) {
+      console.log("WebSocket连接发生错误");
+      this.reconnect();
+    },
+    websocketOnclose: function (e) {
+      this.reconnect();
+    },
+    websocketSend(text) {
+      // 数据发送
+      try {
+        this.websock.send(text);
+      } catch (err) {
+        console.log("send failed (" + err.code + ")");
+      }
+    },
+    reconnect() {
+      var that = this;
+      if(that.lockReconnect) return;
+      that.lockReconnect = true;
+      //没连接上会一直重连，设置延迟避免请求过多
+      setTimeout(function () {
+        console.info("尝试重连...");
+        that.initWebSocket();
+        that.lockReconnect = false;
+      }, 5000);
+    },
+  }
+
+}