HistorySearchTable.vue
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<template>
<div class="history-table-wrap">
<el-table
v-if="tableData.length > 0"
ref="singleTable"
:data="tableData"
:header-cell-style="{ textAlign: 'center' ,height:'100%',lineHeight:'100%' }"
border
:height="tableHeightNum"
highlight-current-row
@current-change="handleCurrentChange"
style="width: 100%;text-align: center">
<el-table-column
type="index"
fixed
align="center"
width="100"
label="序号">
</el-table-column>
<el-table-column
property="name"
align="center"
label="名称">
</el-table-column>
<el-table-column
property="deviceId"
align="center"
label="设备">
</el-table-column>
<el-table-column
property="channelName"
align="center"
label="通道名称">
</el-table-column>
<el-table-column
align="center"
label="日期">
<template slot-scope="scope">
{{`${scope.row.startTime}-${scope.row.endTime}`}}
</template>
</el-table-column>
<el-table-column
property="status"
align="center"
label="状态">
<template slot-scope="scope">
<span v-if="scope.row.status===null ||scope.row.status === '0'"><el-tag>未上传</el-tag></span>
<span v-if="scope.row.status==='2'"><el-tag type="info">上传中</el-tag></span>
<span v-if="scope.row.status==='3'"><el-tag type="success">已上传</el-tag></span>
</template>
</el-table-column>
<el-table-column
fixed="right"
align="center"
label="操作">
<template slot-scope="scope">
<el-button icon="el-icon-video-play" size="small" style="border: none" @click="playHistoryVideo(scope.row)"></el-button>
<el-tooltip :disabled="!isChannelBusy(scope.row)" content="该通道正在上传或下载" placement="top">
<span>
<el-button
v-if="scope.row.status === '0'"
icon="el-icon-upload"
size="small"
style="border: none"
:disabled="isChannelBusy(scope.row)"
@click="uploadHistoryVideo(scope.row)"
/>
</span>
</el-tooltip>
<el-tooltip :disabled="!isChannelBusy(scope.row)" content="该通道正在上传或下载" placement="top">
<span>
<el-button
v-if="scope.row.status === '3'"
icon="el-icon-download"
:disabled="scope.row.disabled || isChannelBusy(scope.row)"
size="small"
style="border: none"
@click="downloadHistoryVideo(scope.row)">
{{ scope.row.disabled ? `${scope.row.countdown}s` : '' }}
</el-button>
</span>
</el-tooltip>
</template>
</el-table-column>
</el-table>
<el-empty v-else style="width: 100%;height: 100%"></el-empty>
</div>
</template>
<script>
export default {
name: "historySearchTable",
components: {},
props: {
tableData: {
type: Array,
default: () => []
},
/** 像素高度；el-table 需要数值高度才能出现纵向滚动条 */
tableHeight: {
type: Number,
default: 400
},
busyChannelKeys: {
type: Array,
default: () => []
}
},
computed: {
tableHeightNum() {
const h = Number(this.tableHeight)
return h > 120 ? h : 400
}
},
data() {
return {
currentRow: null,
historyTimer: null,
countdown: 10,
disabled: false
};
},
methods: {
channelKey(row) {
if (!row || row.sim == null || row.channel == null) return ''
return String(row.sim) + '_' + String(row.channel)
},
isChannelBusy(row) {
const k = this.channelKey(row)
if (!k) return false
return this.busyChannelKeys.indexOf(k) >= 0
},
handleCurrentChange(val) {
this.currentRow = val;
},
setCurrent(row) {
this.$refs.singleTable.setCurrentRow(row);
},
playHistoryVideo(row){
this.$emit("playHistoryVideo", row);
},
uploadHistoryVideo(row){
if (this.isChannelBusy(row)) {
this.$message.warning('该通道正在上传或下载，请稍候')
return
}
this.$emit('uploadHistoryVideo', row);
},
downloadHistoryVideo(data){
if (data.disabled) return;
if (this.isChannelBusy(data)) {
this.$message.warning('该通道正在上传或下载，请稍候')
return
}
if (data.historyTimer){
this.$message.warning("点击太频繁,请稍后重试")
return;
}
const opKey = this.channelKey(data)
this.$emit('channel-operation', { key: opKey, busy: true })
data.disabled = true;
data.countdown = 10;
data.isCountingDown = true;
const timer = setInterval(() => {
if (data.countdown > 0) {
data.countdown--;
} else {
clearInterval(timer);
data.disabled = false;
data.countdown = 10;
data.isCountingDown = false;
}
}, 1000);
data.historyTimer = timer;
this.$axios({
url: `/api/jt1078/query/history/download/${data.name}`,
method: 'GET',
responseType: 'blob',
}).then((response) => {
const blob = new Blob([response.data], { type: 'application/octet-stream' });
const link = document.createElement('a');
link.href = window.URL.createObjectURL(blob);
link.download = data.name + ".mp4";
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
clearInterval(timer);
data.disabled = false;
data.countdown = 10;
data.isCountingDown = false;
data.historyTimer = null;
this.$message.success(`${link.download} 下载成功`);
}).catch(error => {
clearInterval(timer);
data.disabled = false;
data.countdown = 10;
data.isCountingDown = false;
data.historyTimer = null;
this.$message.error(`${data.name} 下载失败`);
console.error("下载失败", error);
}).finally(() => {
this.$emit('channel-operation', { key: opKey, busy: false })
});
}
},
beforeDestroy() {
clearInterval(this.historyTimer)
},
};
</script>
<style scoped>
.history-table-wrap {
width: 100%;
height: 100%;
min-height: 0;
}
</style>