vue发送websocket请求和http post请求的实例代码
时间：2021-08-16 09:21:55 | 栏目：vue | 点击：次
先给大家介绍下vue发送websocket请求和http post请求
直接上代码：
pdf.vue
<script>
import SockJS from 'sockjs-client';
import Stomp from 'stompjs';
import qs from "qs"
export default {
name: "pdf",
data() {
return {
newsData: [],
tagGuid_mx: "",
tagGuid_4AA_Ia: "",
tagGuid_4AA_P: "",
tagGuid_4AA_Q: "", 49 tagGuid_1AA_6_Ib: "",
tagGuid_1AA_6_Ic: "",
tagGuid_pdfwd: "",
tagGuid_pdfsd: "",
stompClient: '',
timer: '',
visibilityHeZha: "hidden",
visibilityFenZha: "hidden",
hezhaData:[]
}
},
methods: {
initWebSocket() {
this.connection();
let that = this;
// 断开重连机制,尝试发送消息,捕获异常发生时重连
this.timer = setInterval(() => {
try {
that.stompClient.send("test");
} catch(err) {
console.log("断线了: " + err);
that.connection();
}
}, 5000);
},
connection() {
// 建立连接对象
let socket = new SockJS('http://XXX.XX.XX.XXX:8081/energy-system-websocket');
// 获取STOMP子协议的客户端对象
this.stompClient = Stomp.over(socket);
// 定义客户端的认证信息,按需求配置
let headers = {
access_token: "92c31bd5-ae43-4f25-9aad-c4eb1a92d61d"
// Authorization: ''
}
// 向服务器发起websocket连接
this.stompClient.connect(headers, () => {
this.stompClient.subscribe('/user/topic/data', (msg) => { // 订阅服务端提供的某个topic
console.log('广播成功')
// console.log(msg); // msg.body存放的是服务端发送给我们的信息
console.log(msg.body);
this.newsData = JSON.parse(msg.body);
}, headers),
this.stompClient.subscribe('/user/topic/alarm', (msg) => { // 订阅服务端提供的某个topic
console.log('广播告警成功')
//console.log(msg); // msg.body存放的是服务端发送给我们的信息
console.log(msg.body);
this.newsData = JSON.parse(msg.body);
}, headers);
this.stompClient.subscribe('/user/topic/cmd_ack', (msg) => { // 订阅服务端提供的某个topic
console.log('下控指令应答成功')
//console.log(msg); // msg.body存放的是服务端发送给我们的信息
console.log(msg.body);
this.newsData = JSON.parse(msg.body);
}, headers);
this.stompClient.subscribe('/user/topic/response', (msg) => { //指令的应答（仅表示服务端接收成功或者失败）
console.log('SEND指令的应答成功')
//console.log(msg); // msg.body存放的是服务端发送给我们的信息
console.log(msg.body);
this.newsData = JSON.parse(msg.body);
this.newsData = this.newsData.data;
console.log(this.newsData);
for(var i = 0; i < this.newsData.length; i++) {
//母线uab
if(this.newsData[i].tagGuid == "a3a95bf3-fef8-454e-9175-19a466e40c3d") {
this.tagGuid_mx = this.newsData[i].value != '' ? this.newsData[i].value.toFixed(2) : ""
}
//电容柜4AA_Ia
if(this.newsData[i].tagGuid == "4cf6e256-6c3a-4853-a087-dfd263916dab") {
this.tagGuid_4AA_Ia = this.newsData[i].value
}
//电容柜4AA_P
if(this.newsData[i].tagGuid == "52e8265a-0a20-4e3b-a670-14a8df373bf7") {
this.tagGuid_4AA_P = this.newsData[i].value
}
//电容柜4AA_Q
if(this.newsData[i].tagGuid == "ef369a17-0bbd-4295-8ac7-816c23fcb065") {
this.tagGuid_4AA_Q = this.newsData[i].value != '' ? this.newsData[i].value.toFixed(2) : 0
}276 //配电房温度
if(this.newsData[i].tagGuid == "ead49446-07f9-43b7-a4ce-cd974d53728e") {
this.tagGuid_pdfwd = this.newsData[i].value
}
//配电房湿度
if(this.newsData[i].tagGuid == "baaf1733-124e-46fd-9d58-c069b747317a") {
this.tagGuid_pdfsd = this.newsData[i].value
}
}
}, headers);
this.stompClient.send("/app/monitor/subTagGuid", // # 订阅需要监控的测点ID
headers,
JSON.stringify({
"stationCode": "00013",
"tagGuids": [
"a3a95bf3-fef8-454e-9175-19a466e40c3d", //
"4cf6e256-6c3a-4853-a087-dfd263916dab", //
"52e8265a-0a20-4e3b-a670-14a8df373bf7", //
"ef369a17-0bbd-4295-8ac7-816c23fcb065", //334 "baaf1733-124e-46fd-9d58-c069b747317a"
]
})
) //用户加入接口
}, (err) => {
// 连接发生错误时的处理函数
console.log('失败')
console.log(err);
});
}, //连接 后台
disconnect() {
if(this.stompClient) {
this.stompClient.disconnect();
}
}, // 断开连接
changeColor(evt) {
this.rect.setAttributeNS(null, "fill", "blue")
},
shl3aa4() {
this.visibilityHeZha = this.visibilityHeZha == "visibility" ? "hidden" : "visibility";
this.visibilityFenZha = this.visibilityFenZha == "visibility" ? "hidden" : "visibility";
},
shl3aa42() {
setTimeout(() => {
this.visibilityHeZha = "hidden";
this.visibilityFenZha = "hidden";
}, 1200)
},
hezha() {
//3#楼3AA-4_合闸
this.$axios.post("/energy-system/auth/monitor/ykcmd", {
checkUser: "admin",
checkPass: "123456",
stationCode:"00013",
tagGuid: "89d1d312-17be-4d20-8471-baa08ba734e0",
value: 1
})
.then(res => {
this.hezhaData=JSON.parse(res.config.data)
if(this.hezhaData.tagGuid=="89d1d312-17be-4d20-8471-baa08ba734e0" && this.hezhaData.value==1){
alert("合闸成功！");
}else{
alert("合闸失败！请联系管理员");
}379 })
.catch(error => {
console.log(error)
})
},
fenzha() {
alert("分闸"); //3#楼3AA-4_分闸
}
},
mounted() {
this.initWebSocket();
},
beforeDestroy: function() { // 页面离开时断开连接,清除定时器
this.disconnect();
clearInterval(this.timer);
},
created() {
}
}
</script>
在main.js设置全局http地址：
Axios.defaults.baseURL = 'http://XXX.XXX.XX.XXX:9001'; Axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';
在main.js中设置header中token值：
// 添加请求拦截器
Axios.interceptors.request.use(function(config) {
config.headers.access_token = "add7c097-f12b-40fe-8e48-6fe1f2120fa5";
// config.headers.Authorization = localStorage.token; //将token设置成请求头
console.log("请求============" + config);
// 在发送请求之前做些什么
return config;
}, function(error) {
// 对请求错误做些什么
return Promise.reject(error);
});
数据刷起来！
ps：下面给大家介绍下vue websocket 请求
首先写一个公共方法
socket.js
function getSocket(url, params, callback) {
let socket;
if (typeof (WebSocket) === 'undefined') {
console.log('您的浏览器不支持WebSocket');
} else {
console.log('您的浏览器支持WebSocket');
// 初始化 WebSocket 对象，指定要连接的服务器地址与端口建立连接
socket = new WebSocket(url);
// 打开事件
socket.onopen = function() {
console.log('Socket 已打开');
socket.send(params);
};
// 获得消息事件
socket.onmessage = function(msg) {
// 发现消息进入, 开始处理前端触发逻辑
callback(msg, socket);
};
// 关闭事件
socket.onclose = function() {
console.log('Socket 已关闭');
};
// 发生了错误事件
socket.onerror = function() {
console.log('Socket 发生了错误,请刷新页面');
// 此时可以尝试刷新页面
};
}
}
export {
getSocket
};
使用
test.vue
<script>
import {getSocket} from '@/utils/socket.js';
export default {
data() {
return {
wsData: {}, // 保存 websocket 数据对象
form: { // 表单
name: '',
age: ''
}
}
},
beforeDestroy() {
this.wsData.close(); // 关闭 websocket
},
created() {
this.getSocketData();
},
methods: {
// 获取数据
getSocketData() {
let params = this.form;
getSocket(
`ws://path`,
JSON.stringify(params),
(data, ws) => {
console.log(data, ws);
// 保存数据对象, 以便发送消息
this.wsData = ws;
}
);
},
// 发送数据
sendSocketData() {
let params = this.form;
params.name = 'xx';
params.age= '18';
this.wsData.send(JSON.stringify(params));
}
}
}
</script>
总结