RedisInfo.vue
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<template>
<a-skeleton active :loading="loading" :paragraph="{rows: 17}">
<a-card>
<!-- Redis 信息实时监控 -->
<a-row :gutter="8">
<a-col :sm="24" :xl="12">
<area-chart-ty v-bind="memory"/>
</a-col>
<a-col :sm="24" :xl="12">
<area-chart-ty v-bind="key"/>
</a-col>
</a-row>
<h3>Redis 详细信息</h3>
<a-table
:loading="tableLoading"
:columns="columns"
:dataSource="redisInfo"
:pagination="false"/>
</a-card>
</a-skeleton>
</template>
<script>
import moment from 'moment'
import {getAction} from '@/api/manage'
import AreaChartTy from '@/components/chart/AreaChartTy'
export default {
name: 'RedisInfo',
components: {
AreaChartTy
},
data() {
return {
loading: true,
tableLoading: true,
// 定时器ID
timer: null,
// 定时器周期
millisec: 3000,
// Key 实时数量
key: {
title: 'Redis Key 实时数量（个）',
dataSource: [],
y: '数量（个）',
height: 340,
min: 0,
max: 100,
color: '#FF6987',
lineSize: 8,
lineColor: '#DC143C'
},
// 内存实时占用情况
memory: {
title: 'Redis 内存实时占用情况（KB）',
dataSource: [],
y: '内存（KB）',
min: 0,
max: 3000,
height: 340,
lineSize: 8
},
redisInfo: [],
columns: [{
title: 'Key',
align: 'center',
dataIndex: 'key'
}, {
title: 'Description',
align: 'left',
dataIndex: 'description'
}, {
title: 'Value',
align: 'center',
dataIndex: 'value'
}],
url: {
keysSize: '/sys/actuator/redis/keysSize',
memoryInfo: '/sys/actuator/redis/memoryInfo',
info: '/sys/actuator/redis/info'
},
path: '/monitor/redis/info'
}
},
mounted() {
this.openTimer()
this.loadRedisInfo()
setTimeout(() => {
this.loadData()
}, 1000)
},
beforeDestroy() {
this.closeTimer()
},
methods: {
/** 开启定时器 */
openTimer() {
this.loadData()
this.closeTimer()
this.timer = setInterval(() => {
if (this.$route.path === this.path) {
this.loadData()
}
}, this.millisec)
},
/** 关闭定时器 */
closeTimer() {
if (this.timer) clearInterval(this.timer)
},
/** 查询数据 */
loadData() {
Promise.all([
getAction(this.url.keysSize),
getAction(this.url.memoryInfo)
]).then((res) => {
let time = moment().format('hh:mm:ss')
let [{dbSize: currentSize}, memoryInfo] = res
let currentMemory = memoryInfo.used_memory / 1000
// push 数据
this.key.dataSource.push({x: time, y: currentSize})
this.memory.dataSource.push({x: time, y: currentMemory})
// 最大长度为6
if (this.key.dataSource.length > 6) {
this.key.dataSource.splice(0, 1)
this.memory.dataSource.splice(0, 1)
}
// 计算 Key 最大最小值
let keyPole = this.getMaxAndMin(this.key.dataSource, 'y')
this.key.max = Math.floor(keyPole[0]) + 10
this.key.min = Math.floor(keyPole[1]) - 10
if (this.key.min < 0) this.key.min = 0
// 计算 Memory 最大最小值
let memoryPole = this.getMaxAndMin(this.memory.dataSource, 'y')
this.memory.max = Math.floor(memoryPole[0]) + 100
this.memory.min = Math.floor(memoryPole[1]) - 100
if (this.memory.min < 0) this.memory.min = 0
}).catch((e) => {
console.error(e)
this.closeTimer()
this.$message.error('获取 Redis 信息失败')
}).finally(() => {
this.loading = false
})
},
// 获取一组数据中最大和最小的值
getMaxAndMin(dataSource, field) {
let maxValue = null, minValue = null
dataSource.forEach(item => {
let value = Number.parseInt(item[field])
// max
if (maxValue == null) {
maxValue = value
} else if (value > maxValue) {
maxValue = value
}
// min
if (minValue == null) {
minValue = value
} else if (value < minValue) {
minValue = value
}
})
return [maxValue, minValue]
},
loadRedisInfo() {
this.tableLoading = true
getAction(this.url.info).then((res) => {
this.redisInfo = res.result
}).finally(() => {
this.tableLoading = false
})
}
}
}
</script>
<style></style>