update:实现打印pdf功能

package.json

 {
   "dependencies": {
+    "@hyoga/uni-socket.io": "^2.0.3",
     "svg-sprite-loader": "^6.0.11",
     "uni-read-pages": "^1.0.5",
     "uni-simple-router": "^2.0.8-beta.4"

pages/test/test.vue

 <template>
   <view>
     <u-button @click="exportPDF">预览pdf</u-button>
+    <u-button @click="handlePrint">打印pdf</u-button>
   </view>
 </template>
 
 <script>
-import { io } from 'socket.io-client';
+import io from '@hyoga/uni-socket.io';
+// import { SOCKET_IO_CLIENT, OPTIONS } from '@/uni_modules/bunny-socket-io-client';
 import uButton from '../../uview-ui/components/u-button/u-button.vue';
 export default {
   components: { uButton },
@@ -16,34 +18,34 @@ export default {
     };
   },
   created() {
-    // this.socket = io('http://192.168.23.19:17521', {
-    //   transports: ['websocket'],
-    //   auth: {
-    //     token: 'Bearer ' + this.vuex_token // 在此处填入你 client 设置的 token，缺省可留空
-    //   }
-    // });
-    // this.socket.on('connect', () => {
-    //   globalThis.connect = true;
-    //   console.log('连接成功444');
-    //   // TODO: Do something for your project
-    // });
-    // this.socket.on('clients', (clients) => {
-    //   globalThis.clients = clients;
-    //   console.log(clients, 'clients');
-    // });
-    // this.socket.on('printerList', (printerList) => {
-    //   globalThis.printerList = printerList;
-    //   console.log(printerList, 'printerList');
-    // });
+    this.socket = io('http://192.168.21.104:17521', {
+      transports: ['websocket'],
+      auth: {
+        token: 'Bearer ' + this.vuex_token // 在此处填入你 client 设置的 token，缺省可留空
+      }
+    });
+    this.socket.on('connect', () => {
+      globalThis.connect = true;
+      console.log('连接成功444');
+      // TODO: Do something for your project
+    });
+    this.socket.on('clients', (clients) => {
+      globalThis.clients = clients;
+      console.log(clients, 'clients');
+    });
+    this.socket.on('printerList', (printerList) => {
+      globalThis.printerList = printerList;
+      console.log(printerList, 'printerList');
+    });
   },
   methods: {
     handlePrint() {
       console.log(this.socket, 'this.$socket');
-      this.$socket.emit('news', {
+      this.socket.emit('news', {
         client: null,
-        printer: null,
+        printer: 'HP LaserJet 1022n',
         type: 'url_pdf',
-        pdf_path: 'http://192.168.23.19:8081/static/123.pdf'
+        pdf_path: 'http://192.168.3.91:8082/static/123.pdf'
       });
     },
     previewPdf() {