dbsd_kczx/src/hooks/web/useWebSocket.ts

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// noinspection JSUnusedGlobalSymbols
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import { computed, reactive, ref, unref } from 'vue';
import { useWebSocket as $useWebSocket, WebSocketResult } from '@vueuse/core';
import { getToken } from '/@/utils/auth';
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const state = reactive({
server: '',
sendValue: '',
recordList: [] as { id: number; time: number; res: string }[],
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});
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const result = ref<WebSocketResult<any>>();
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const listeners = new Map();
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/**
* WebSocket
* @param url
*/
export function connectWebSocket(url: string) {
if (!unref(getIsOpen)) {
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state.server = url;
//update-begin-author:taoyan date:2022-4-24 for: v2.4.6 的 websocket 服务端,存在性能和安全问题。 #3278
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let token = (getToken() || '') as string;
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result.value = $useWebSocket(state.server, {
// 自动重连
autoReconnect: true,
// 心跳检测
heartbeat: false,
protocols: [token],
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});
//update-end-author:taoyan date:2022-4-24 for: v2.4.6 的 websocket 服务端,存在性能和安全问题。 #3278
//【jeecgboot-vue3/issues/I5KULW】Websocket 连接后自动给关闭
//result.value.open();
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const ws = unref(result.value.ws);
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if (ws) {
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ws.onopen = onOpen;
ws.onclose = onClose;
ws.onerror = onError;
ws.onmessage = onMessage;
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}
}
}
function onOpen() {
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console.log('[WebSocket] 连接成功');
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}
function onClose(e) {
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console.log('[WebSocket] 连接断开:', e);
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}
function onError(e) {
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console.log('[WebSocket] 连接发生错误: ', e);
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}
function onMessage(e) {
if (e.data === 'ping') {
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return;
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}
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console.debug('[WebSocket] -----接收消息-------', e.data);
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try {
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const data = JSON.parse(e.data);
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for (const callback of listeners.keys()) {
try {
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callback(data);
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} catch (err) {
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console.error(err);
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}
}
} catch (err) {
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console.error('[WebSocket] data解析失败', err);
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}
}
/**
* WebSocket
*/
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export const getIsOpen = computed(() => result.value?.status.value === 'OPEN');
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/**
* WebSocket
* @param callback
*/
export function onWebSocket(callback: (data: object) => any) {
if (!listeners.has(callback)) {
if (typeof callback === 'function') {
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listeners.set(callback, null);
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} else {
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console.debug('[WebSocket] 添加 WebSocket 消息监听失败:传入的参数不是一个方法');
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}
}
}
/**
* WebSocket
*
* @param callback
*/
export function offWebSocket(callback: (data: object) => any) {
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listeners.delete(callback);
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}
export function useWebSocket() {
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return unref(result);
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}