add:添加socket打印

acs/nladmin-system/nlsso-server/src/main/java/org/nl/common/mnt/websocket/SendPrintSocket.java

@@ -0,0 +1,107 @@
+/*
+ *  Copyright 2019-2020 Zheng Jie
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.nl.common.mnt.websocket;
+
+import com.alibaba.fastjson.JSON;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.websocket.*;
+import javax.websocket.server.PathParam;
+import javax.websocket.server.ServerEndpoint;
+import java.util.concurrent.CopyOnWriteArraySet;
+
+/*
+ * @author ZZQ
+ * @Date 2024/1/8 17:03
+ */
+@ServerEndpoint("/webSocket/sendPrint/{sid}")
+@Slf4j
+@Component
+public class SendPrintSocket {
+
+    /**
+     * concurrent包的线程安全Set，用来存放每个客户端对应的MyWebSocket对象。
+     */
+    private static CopyOnWriteArraySet<SendPrintSocket> webSocketSet = new CopyOnWriteArraySet<SendPrintSocket>();
+    /**
+     * 与某个客户端的连接会话，需要通过它来给客户端发送数据
+     */
+    private Session session;
+    /**
+     * 接收sid
+     */
+    private String sid = "";
+    /**
+     * 连接建立成功调用的方法
+     */
+    @OnOpen
+    public void onOpen(Session session, @PathParam("sid") String sid) {
+        this.session = session;
+        //如果存在就先删除一个，防止重复推送消息
+        for (SendPrintSocket webSocket : webSocketSet) {
+            if (webSocket.sid.equals(sid)) {
+                webSocketSet.remove(webSocket);
+            }
+        }
+        webSocketSet.add(this);
+        this.sid = sid;
+    }
+
+    /**
+     * 连接关闭调用的方法
+     */
+    @OnClose
+    public void onClose() {
+        webSocketSet.remove(this);
+    }
+
+    /**
+     * 收到客户端消息后调用的方法
+     *
+     * @param message 客户端发送过来的消息
+     */
+    @OnMessage
+    public void onMessage(String message, Session session) {
+        System.out.println(webSocketSet.size()+"_接收到消息_"+session.getId());
+    }
+
+    @OnError
+    public void onError(Session session, Throwable error) {
+        log.error("发生错误");
+        webSocketSet.remove(session);
+        error.printStackTrace();
+    }
+    public static void sendPrint(String print){
+        if (webSocketSet.size()>0){
+            try {
+                //如果有多个客户端连接一个服务端，只要给一个客户端下发打印即可
+                for (SendPrintSocket printSocket : webSocketSet) {
+                    if (printSocket.session.isOpen()){
+                        printSocket.session.getBasicRemote().sendText(print);
+                        break;
+                    }
+                }
+            }catch (Exception ex){
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        SendPrintSocket.sendPrint("xxx");
+    }
+}

acs/nladmin-ui/src/views/acs/order/template.vue

@@ -35,7 +35,7 @@
           />
           <el-button slot="reference">自定义纸张1</el-button>
         </el-popover>
-<!-- 
+<!--
         <el-select
           v-model="templateId"
           filterable
@@ -269,6 +269,7 @@ import $ from 'jquery'
 import { hiprint, defaultElementTypeProvider } from 'vue-plugin-hiprint'
 import template from '@/api/acs/order/template'
 import Preview from '@/views/acs/order/preview.vue'
+import uuidv1 from 'uuid/v1'
 
 // 初始化 provider
 hiprint.init({
@@ -349,14 +350,29 @@ export default {
     })
   },
   created() {
-      template.getTemplateList().then(data => {
-        this.templateList = data
-      })
-      template.getTicketList().then(data => {
-        this.ticketList = data
+    template.getTemplateList().then(data => {
+      this.templateList = data
+    })
+    template.getTicketList().then(data => {
+      this.ticketList = data
+    })
+    if (typeof (WebSocket) === 'undefined') {
+      this.$notify({
+        title: '提示',
+        message: '当前浏览器无法接收实时打印信息，请使用谷歌浏览器！',
+        type: 'warning',
+        duration: 0
       })
+    }
+    const wsUri = window.g.prod.VUE_APP_BASE_API.replace('http', 'ws') + '/webSocket/sendPrint/' + uuidv1()
+    this.websock = new WebSocket(wsUri)
+    this.websock.onmessage = this.webSocketOnMessage
   },
   methods: {
+    webSocketOnMessage(e) {
+      console.log('-----获取到消息------')
+      console.log(e)
+    },
     addTable() {
       this.formDias = true
       this.isDisabled = false
@@ -410,7 +426,7 @@ export default {
         template.see(this.templateId).then(res => {
         try {
           this.hiprintTemplate.update(JSON.parse(res.template))
-        } catch (e) { 
+        } catch (e) {
           this.$message.error(`更新失败: ${e}`)
         }
     })
@@ -490,7 +506,7 @@ this.hiprintTemplate.print2(this.printData1);
     //   if (hiprint.hiwebSocket && hiprint.hiwebSocket.opened) {
     // //  let printData1 = {name:'名称1'};
     // //   let printData2 = {name:'名称2'};
-    //  const count = Number(this.template_number); 
+    //  const count = Number(this.template_number);
     //  for (let i = 0; i < count; i++) {
     //   let i={name:i};
     //   this.printDataList.push(i);
@@ -504,7 +520,7 @@ this.hiprintTemplate.print2(this.printData1);
     //     alert('请先连接客户端(刷新网页), 然后再点击「直接打印」')
     //   }
     },
-    
+
     PreviewData() {
       this.hiprintTemplate.toPdf('', '').then((tempPrintResults) => {
         // 处理生成的 PDF 数据