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| <template>
| <div>
| <div ref="statsChart" style="height: 240px; margin: 20px 0 40px 0"></div>
| </div>
| </template>
|
| <script>
| import { getNettyMqttStats } from '@/api/iot/netty';
| export default {
| data() {
| return {
| timer: null,
| // emqx状态数据
| stats: {},
| mqtt: this.$store.state.user.mqtt,
| };
| },
| created() {
| this.getMqttStats();
| },
| beforeDestroy() {
| this.clearData();
| },
| methods: {
| /** 查询mqtt状态数据*/
| getMqttStats() {
| if (this.mqtt) {
| getNettyMqttStats().then((response) => {
| this.stats = response.data;
| this.drawStats();
| // 轮询
| this.switper();
| });
| } else {
| this.$nextTick(() => {
| // 初始值
| this.stats = {
| 'connections.count': 800,
| 'connections.max': 8000,
| 'sessions.count': 700,
| 'sessions.max': 7000,
| 'topics.count': 600,
| 'topics.max': 6000,
| 'subscribers.count': 500,
| 'subscribers.max': 5000,
| 'routes.count': 400,
| 'routes.max': 4000,
| 'retained.count': 300,
| 'retained.max': 3000,
| };
| this.drawStats();
| // 轮询
| this.switper();
| });
| }
| },
| /** EMQX状态统计 */
| drawStats() {
| // 基于准备好的dom，初始化echarts实例
| let myChart = this.$echarts.init(this.$refs.statsChart);
| var option;
| option = {
| animationDuration: 3000,
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow',
| },
| backgroundColor: 'rgba(58,73,116,0.7)',
| textStyle: {
| color: 'rgba(65,235,246,1)',
| },
| },
| legend: {
| textStyle: {
| color: 'rgba(65,235,246,1)',
| },
| },
| grid: {
| left: '3%',
| right: '4%',
| bottom: '3%',
| containLabel: true,
| },
| xAxis: {
| type: 'value',
| boundaryGap: [0, 0.01],
| axisLabel: {
| fontSize: 12,
| color: '#fff',
| },
| splitLine: {
| //网格线
| lineStyle: {
| type: 'dashed', //设置网格线类型 dotted：虚线 solid:实线
| color: 'rgba(65,235,246,1)', //网格线颜色
| width: 0.5,
| },
| },
| },
| yAxis: {
| type: 'category',
| axisLabel: {
| fontSize: 12,
| color: '#fff',
| },
| data: this.mqtt ? ['连接数量', '会话数量', '订阅数量', '路由数量', '保留消息'] : ['连接数量', '会话数量', '主题数量', '订阅数量', '路由数量', '保留消息'],
| },
| series: [
| {
| name: '当前数量',
| type: 'bar',
| data: this.mqtt
| ? [this.stats['connection_count'], this.stats['session_count'], this.stats['subscription_count'], this.stats['retain_count'], this.stats['retain_count']]
| : [this.stats['connections.count'], this.stats['sessions.count'], this.stats['topics.count'], this.stats['subscribers.count'], this.stats['routes.count'], this.stats['retained.count']],
| itemStyle: {
| color: '#67e0e3',
| },
| },
| {
| name: this.mqtt ? '累计总数' : '历史最大数',
| type: 'bar',
| data: this.mqtt
| ? [this.stats['connection_total'], this.stats['session_total'], this.stats['subscription_total'], this.stats['retain_total'], this.stats['retain_total']]
| : [this.stats['connections.max'], this.stats['sessions.max'], this.stats['topics.max'], this.stats['subscribers.max'], this.stats['routes.max'], this.stats['retained.max']],
| itemStyle: {
| color: '#ffdb5c',
| },
| },
| ],
| };
| option && myChart.setOption(option);
| },
| clearData() {
| if (this.timer) {
| clearInterval(this.timer);
| this.timer = null;
| }
| },
| //轮询
| switper() {
| if (this.timer) {
| return;
| }
| let looper = (a) => {
| this.getMqttStats();
| };
| this.timer = setInterval(looper, 60000);
| },
| },
| };
| </script>
|
|
