729 lines
19 KiB
Vue
729 lines
19 KiB
Vue
<template>
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<view class="data-query-page" :style="pageStyle">
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<!-- 顶部标题栏 -->
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<view class="header">
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<view class="back-btn" @click="goBack">
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<text class="icon">←</text>
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</view>
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<view class="title">{{ chartTitle }}</view>
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</view>
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<!-- 查询条件区域 -->
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<view class="query-section">
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<view class="query-container">
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<view class="query-item">
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<view class="query-label">开始时间</view>
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<view class="query-value" @click="showStartPicker = true">
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{{ startDate || '请选择' }}
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</view>
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</view>
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<view class="query-item">
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<view class="query-label">结束时间</view>
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<view class="query-value" @click="showEndPicker = true">
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{{ endDate || '请选择' }}
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</view>
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</view>
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<nut-button
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type="primary"
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size="small"
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class="query-btn"
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@click="queryData"
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>
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查询
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</nut-button>
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</view>
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</view>
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<!-- 图表容器 -->
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<view class="chart-container" :style="chartContainerStyle">
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<view class="loading-container" v-show="loading">
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<text>加载中...</text>
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</view>
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<canvas
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v-if="!loading"
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class="chart-canvas"
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type="2d"
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id="data-query-chart"
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:style="canvasStyle"
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@touchend="touchEnd"
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@touchstart="touchStart"
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@touchmove="touchMove"
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></canvas>
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<view v-if="!loading && (!chartData || chartData.length === 0)" class="empty-data">
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<text>暂无数据</text>
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</view>
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</view>
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<!-- 开始时间选择器 -->
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<nut-popup v-model:visible="showStartPicker" position="bottom">
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<nut-date-picker
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v-model="startDateTime"
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type="datetime"
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title="选择开始时间"
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:min-date="minDate"
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:max-date="maxDate"
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@confirm="confirmStartDate"
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@cancel="showStartPicker = false"
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/>
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</nut-popup>
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<!-- 结束时间选择器 -->
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<nut-popup v-model:visible="showEndPicker" position="bottom">
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<nut-date-picker
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v-model="endDateTime"
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type="datetime"
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title="选择结束时间"
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:min-date="minDate"
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:max-date="maxDate"
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@confirm="confirmEndDate"
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@cancel="showEndPicker = false"
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/>
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</nut-popup>
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</view>
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</template>
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<script setup lang="ts">
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import { ref, computed, onMounted, onUnmounted } from 'vue';
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import Taro from '@tarojs/taro';
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import { deviceHistory } from '@/api/device';
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import { formatDateMin } from '@/utils/tools';
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import uCharts from '@/utils/js-sdk/u-charts/u-charts.js';
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const chartTitle = ref('数据查询');
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const chartData = ref<any[]>([]);
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const loading = ref(false);
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let chartInstance: any = null;
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// 接收的参数
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const serialNum = ref('');
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const dataType = ref(1); // 1-溶解氧, 2-水温, 3-饱和度, 4-PH, 5-盐度
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const deviceName = ref('');
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const oxyWarnLower = ref<number | null>(null);
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const tempWarnUpper = ref<number | null>(null);
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const tempWarnLower = ref<number | null>(null);
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// 时间选择
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const showStartPicker = ref(false);
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const showEndPicker = ref(false);
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const startDate = ref('');
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const endDate = ref('');
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const startDateTime = ref(new Date(new Date().getTime() - 30 * 24 * 60 * 60 * 1000));
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const endDateTime = ref(new Date());
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// 日期范围限制(最近90天到当前)
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const minDate = computed(() => new Date(new Date().getTime() - 90 * 24 * 60 * 60 * 1000));
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const maxDate = computed(() => new Date());
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// 屏幕尺寸
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const screenWidth = ref(375);
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const screenHeight = ref(667);
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// 页面样式
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const pageStyle = computed(() => {
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return {
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width: '100%',
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height: '100%',
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background: '#fff',
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display: 'flex',
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flexDirection: 'column' as const,
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};
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});
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const chartContainerStyle = computed(() => {
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return {
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flex: '1',
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padding: '10px 15px',
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background: '#fff',
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overflow: 'hidden',
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position: 'relative' as const,
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};
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});
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const canvasStyle = computed(() => {
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return {
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width: chartWidth.value + 'px',
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height: chartHeight.value + 'px',
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};
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});
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onMounted(() => {
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// 获取屏幕尺寸
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const sysInfo = Taro.getSystemInfoSync();
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screenWidth.value = sysInfo.windowWidth;
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screenHeight.value = sysInfo.windowHeight;
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// 获取页面参数
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const instance = Taro.getCurrentInstance();
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const params = instance.router?.params || {};
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serialNum.value = params.serialNum || '';
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dataType.value = Number(params.dataType) || 1;
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deviceName.value = params.deviceName || '';
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oxyWarnLower.value = params.oxyWarnLower ? Number(params.oxyWarnLower) : null;
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tempWarnUpper.value = params.tempWarnUpper ? Number(params.tempWarnUpper) : null;
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tempWarnLower.value = params.tempWarnLower ? Number(params.tempWarnLower) : null;
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// 设置标题
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const titles = ['', '溶解氧数据查询', '水温数据查询', '饱和度数据查询', 'PH数据查询', '盐度数据查询'];
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chartTitle.value = titles[dataType.value] || '数据查询';
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// 初始化默认时间(最近30天)
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const now = new Date();
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const monthAgo = new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000);
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startDate.value = formatDateMin(monthAgo);
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endDate.value = formatDateMin(now);
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// 初始化图表尺寸
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setTimeout(() => {
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initChart();
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}, 500);
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});
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onUnmounted(() => {
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if (chartInstance) {
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chartInstance = null;
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}
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});
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// 图表尺寸
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const chartWidth = ref(0);
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const chartHeight = ref(0);
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const chartPixelRatio = ref(1);
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const chartTop = ref(0);
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const chartLeft = ref(0);
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// 初始化图表
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function initChart() {
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const sysInfo = Taro.getSystemInfoSync();
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// 横屏模式,header(44px) + query-section(约50px) = 94px
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chartWidth.value = sysInfo.windowWidth - 30;
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chartHeight.value = sysInfo.windowHeight - 110;
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chartPixelRatio.value = sysInfo.pixelRatio || 1;
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// 自动加载默认数据(最近30天)
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queryData();
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}
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// 返回上一页
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function goBack() {
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Taro.navigateBack();
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}
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// 确认开始时间
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function confirmStartDate({ selectedValue }) {
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startDateTime.value = selectedValue[0];
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startDate.value = formatDateMin(selectedValue[0]);
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showStartPicker.value = false;
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}
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// 确认结束时间
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function confirmEndDate({ selectedValue }) {
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endDateTime.value = selectedValue[0];
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endDate.value = formatDateMin(selectedValue[0]);
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showEndPicker.value = false;
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}
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// 查询数据
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function queryData() {
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if (!serialNum.value) {
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Taro.showToast({ title: '设备序列号不存在', icon: 'none' });
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return;
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}
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if (!startDate.value || !endDate.value) {
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Taro.showToast({ title: '请选择查询时间范围', icon: 'none' });
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return;
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}
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// 验证时间范围
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const start = new Date(startDate.value);
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const end = new Date(endDate.value);
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if (start >= end) {
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Taro.showToast({ title: '开始时间必须小于结束时间', icon: 'none' });
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return;
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}
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// 计算天数差
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const dayDiff = Math.ceil((end.getTime() - start.getTime()) / (24 * 60 * 60 * 1000));
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if (dayDiff > 90) {
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Taro.showToast({ title: '查询范围不能超过3个月(90天)', icon: 'none' });
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return;
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}
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// 根据天数差确定 intervalType
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// ≤7天: intervalType = 2
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// 7-14天: intervalType = 3
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// 14-30天: intervalType = 4
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// 30-60天: intervalType = 5
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// >60天: intervalType = 6
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let intervalType = 2;
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if (dayDiff > 7 && dayDiff <= 14) {
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intervalType = 3;
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} else if (dayDiff > 14 && dayDiff <= 30) {
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intervalType = 4;
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} else if (dayDiff > 30 && dayDiff <= 60) {
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intervalType = 5;
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} else if (dayDiff > 60) {
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intervalType = 6;
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}
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const params = {
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serialNum: serialNum.value,
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startTime: startDate.value,
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endTime: endDate.value,
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intervalType: intervalType,
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};
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loading.value = true;
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deviceHistory(params).then((res: any) => {
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loading.value = false;
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if (Array.isArray(res)) {
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chartData.value = res;
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} else if (res.code == 200) {
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chartData.value = res.data || [];
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}
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if (chartData.value.length === 0) {
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Taro.showToast({ title: '该时间段暂无数据', icon: 'none' });
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} else {
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// 绘制图表
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drawChart();
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}
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}).catch(() => {
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loading.value = false;
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Taro.showToast({ title: '查询失败,请重试', icon: 'none' });
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});
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}
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// 绘制图表
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function drawChart() {
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if (!chartData.value || chartData.value.length === 0) {
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return;
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}
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const cWidth = chartWidth.value;
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const cHeight = chartHeight.value;
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const pixelRatio = chartPixelRatio.value;
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const fieldMap: any = {
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1: 'dissolvedOxygen',
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2: 'temperature',
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3: 'saturability',
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4: 'ph',
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5: 'salinity',
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};
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const nameMap: any = {
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1: '溶解氧',
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2: '水温',
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3: '饱和度',
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4: 'PH',
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5: '盐度',
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};
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const fieldName = fieldMap[dataType.value] || 'dissolvedOxygen';
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const seriesName = nameMap[dataType.value] || '溶解氧';
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const xAxisData: string[] = [];
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const seriesData: number[] = [];
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let series: any[] = [];
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// 根据数据类型添加告警线
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if (dataType.value === 1 && oxyWarnLower.value) {
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series.push({
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name: '告警下限',
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data: [],
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color: '#c12e34',
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lineType: 'dash',
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});
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} else if (dataType.value === 2) {
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if (tempWarnLower.value) {
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series.push({
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name: '告警下限',
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data: [],
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color: '#c12e34',
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lineType: 'dash',
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});
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}
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if (tempWarnUpper.value) {
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series.push({
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name: '告警上限',
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data: [],
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color: '#e098c7',
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lineType: 'dash',
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});
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}
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}
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chartData.value.forEach((item: any) => {
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const timeStr = item.time || item.createTime || '';
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const timeParts = timeStr.split(' ');
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if (timeParts.length > 1) {
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const datePart = timeParts[0];
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const timePart = timeParts[1];
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const dateMatch = datePart.match(/\d{4}-(\d{2})-(\d{2})/);
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const monthDay = dateMatch ? `${dateMatch[1]}-${dateMatch[2]}` : '';
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const hourMin = timePart.substring(0, 5);
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const formattedTime = `${monthDay} ${hourMin}`;
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xAxisData.push(formattedTime);
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}
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const value = item[fieldName];
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seriesData.push(value !== null && value !== undefined ? Number(value) : 0);
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// 填充告警线数据
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if (dataType.value === 1 && oxyWarnLower.value) {
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series[0].data.push(oxyWarnLower.value);
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} else if (dataType.value === 2) {
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let idx = 0;
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if (tempWarnLower.value) {
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series[idx].data.push(tempWarnLower.value);
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idx++;
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}
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if (tempWarnUpper.value) {
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series[idx].data.push(tempWarnUpper.value);
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}
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}
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});
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// 添加主数据系列
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series.unshift({ name: seriesName, data: seriesData });
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Taro.nextTick(() => {
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const env = Taro.getEnv();
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if (env === Taro.ENV_TYPE.WEB) {
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// H5 环境
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setTimeout(() => {
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const canvasElement = document.querySelector('#data-query-chart canvas') as HTMLCanvasElement;
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if (!canvasElement) return;
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const ctx = canvasElement.getContext('2d');
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if (!ctx) return;
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chartInstance = new uCharts({
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type: 'line',
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context: ctx,
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width: cWidth,
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height: cHeight,
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categories: xAxisData,
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series: series,
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pixelRatio: 1,
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dataPointShape: false,
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animation: true,
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background: '#FFFFFF',
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color: ['#17B4B2'],
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padding: [15, 15, 30, 40],
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enableScroll: false,
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boundaryGap: 'justify',
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legend: { show: false },
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dataLabel: false,
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xAxis: {
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disableGrid: true,
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axisLine: true,
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type: 'grid',
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gridType: 'dash',
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scrollShow: false,
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labelCount: 8,
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rotateLabel: true,
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rotateAngle: 30,
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},
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yAxis: {
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disableGrid: false,
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gridType: 'dash',
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tofix: 2,
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},
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extra: {
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tooltip: {
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showBox: true,
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showArrow: true,
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showCategory: true,
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borderWidth: 0,
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borderRadius: 0,
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borderColor: '#000000',
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borderOpacity: 0.7,
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bgColor: '#000000',
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bgOpacity: 0.7,
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gridType: 'solid',
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dashLength: 4,
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gridColor: '#CCCCCC',
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boxPadding: 3,
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fontSize: 13,
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lineHeight: 20,
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fontColor: '#FFFFFF',
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legendShow: true,
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legendShape: 'auto',
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splitLine: true,
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labelBgColor: '#FFFFFF',
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labelBgOpacity: 0.7,
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labelFontColor: '#666666',
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},
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line: { type: 'curve', width: 2, activeType: 'hollow' },
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},
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});
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// 获取 canvas 位置
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const query = Taro.createSelectorQuery();
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query.select('#data-query-chart').boundingClientRect();
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query.exec((res) => {
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if (res.length > 0 && res[0]) {
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chartTop.value = res[0].top || 0;
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chartLeft.value = res[0].left || 0;
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}
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});
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}, 300);
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} else {
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// 小程序环境
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const query = Taro.createSelectorQuery();
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query.select('#data-query-chart')
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.fields({ node: true, size: true })
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.exec((res) => {
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if (!res || !res[0] || !res[0].node) return;
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const canvas = res[0].node;
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const ctx = canvas.getContext('2d');
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if (!ctx) return;
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canvas.width = cWidth * pixelRatio;
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canvas.height = cHeight * pixelRatio;
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chartInstance = new uCharts({
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type: 'line',
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context: ctx,
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width: cWidth * pixelRatio,
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height: cHeight * pixelRatio,
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categories: xAxisData,
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series: series,
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pixelRatio: pixelRatio,
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dataPointShape: false,
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animation: true,
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background: '#FFFFFF',
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color: ['#17B4B2'],
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padding: [15, 15, 30, 40],
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enableScroll: false,
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boundaryGap: 'justify',
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legend: { show: false },
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dataLabel: false,
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xAxis: {
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disableGrid: true,
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axisLine: true,
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type: 'grid',
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gridType: 'dash',
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scrollShow: false,
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labelCount: 6,
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rotateLabel: true,
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rotateAngle: 20,
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marginTop: 5,
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},
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yAxis: {
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disableGrid: false,
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gridType: 'dash',
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tofix: 2,
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},
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extra: {
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tooltip: {
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showBox: true,
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showArrow: true,
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showCategory: true,
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borderWidth: 0,
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borderRadius: 0,
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borderColor: '#000000',
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borderOpacity: 0.7,
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bgColor: '#000000',
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bgOpacity: 0.7,
|
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gridType: 'solid',
|
||
dashLength: 4,
|
||
gridColor: '#CCCCCC',
|
||
boxPadding: 3,
|
||
fontSize: 13,
|
||
lineHeight: 20,
|
||
fontColor: '#FFFFFF',
|
||
legendShow: true,
|
||
legendShape: 'auto',
|
||
splitLine: true,
|
||
labelBgColor: '#FFFFFF',
|
||
labelBgOpacity: 0.7,
|
||
labelFontColor: '#666666',
|
||
},
|
||
line: { type: 'curve', width: 2, activeType: 'hollow' },
|
||
},
|
||
});
|
||
|
||
// 获取 canvas 位置
|
||
const query = Taro.createSelectorQuery();
|
||
query.select('#data-query-chart').boundingClientRect();
|
||
query.exec((res) => {
|
||
if (res.length > 0 && res[0]) {
|
||
chartTop.value = res[0].top || 0;
|
||
chartLeft.value = res[0].left || 0;
|
||
}
|
||
});
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
// 触摸结束事件 - 显示提示框
|
||
function touchEnd(e: any) {
|
||
if (!chartInstance) return;
|
||
|
||
const x = e.mpEvent.changedTouches[0].clientX;
|
||
const y = e.mpEvent.changedTouches[0].clientY;
|
||
const tmpe = { x: x - chartLeft.value, y: y - chartTop.value };
|
||
e.changedTouches = [tmpe];
|
||
|
||
if (e.touches.length == 0) {
|
||
chartInstance.touchLegend(e);
|
||
chartInstance.showToolTip(e, {
|
||
formatter: (item: any) => {
|
||
return item.name + ':' + item.data;
|
||
},
|
||
});
|
||
}
|
||
}
|
||
|
||
// 触摸开始事件
|
||
function touchStart(e: any) {
|
||
if (!chartInstance) return;
|
||
|
||
const x = e.mpEvent.changedTouches[0].clientX;
|
||
const y = e.mpEvent.changedTouches[0].clientY;
|
||
const tmpe = { x: x - chartLeft.value, y: y - chartTop.value };
|
||
e.changedTouches = [tmpe];
|
||
chartInstance.scrollStart(e);
|
||
}
|
||
|
||
// 触摸移动事件
|
||
function touchMove(e: any) {
|
||
if (!chartInstance) return;
|
||
|
||
const x = e.mpEvent.changedTouches[0].clientX;
|
||
const y = e.mpEvent.changedTouches[0].clientY;
|
||
const tmpe = { x: x - chartLeft.value, y: y - chartTop.value };
|
||
e.changedTouches = [tmpe];
|
||
chartInstance.scroll(e);
|
||
}
|
||
</script>
|
||
|
||
<style lang="scss">
|
||
.data-query-page {
|
||
background: #fff;
|
||
overflow: hidden;
|
||
}
|
||
|
||
.header {
|
||
height: 44px;
|
||
background: #fff;
|
||
display: flex;
|
||
align-items: center;
|
||
padding: 0 15px;
|
||
border-bottom: 1px solid #eee;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.back-btn {
|
||
width: 44px;
|
||
height: 44px;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
}
|
||
|
||
.back-btn .icon {
|
||
font-size: 24px;
|
||
color: #333;
|
||
}
|
||
|
||
.title {
|
||
flex: 1;
|
||
text-align: center;
|
||
font-size: 16px;
|
||
font-weight: 600;
|
||
color: #333;
|
||
margin-right: 44px;
|
||
}
|
||
|
||
.query-section {
|
||
background: #fff;
|
||
padding: 6px 15px;
|
||
border-bottom: 1px solid #eee;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.query-container {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
gap: 15px;
|
||
}
|
||
|
||
.query-item {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 8px;
|
||
}
|
||
|
||
.query-label {
|
||
font-size: 13px;
|
||
color: #666;
|
||
white-space: nowrap;
|
||
}
|
||
|
||
.query-value {
|
||
font-size: 13px;
|
||
color: #333;
|
||
padding: 4px 12px;
|
||
background: #f5f5f5;
|
||
border-radius: 4px;
|
||
white-space: nowrap;
|
||
min-width: 150px;
|
||
text-align: center;
|
||
}
|
||
|
||
.query-btn {
|
||
height: 28px;
|
||
padding: 0 20px;
|
||
background: linear-gradient(135deg, #09b8c2 0%, #06a0a9 100%);
|
||
border: none;
|
||
border-radius: 4px;
|
||
font-size: 13px;
|
||
}
|
||
|
||
.chart-container {
|
||
background: #fff;
|
||
position: relative;
|
||
}
|
||
|
||
.chart-canvas {
|
||
display: block;
|
||
}
|
||
|
||
.loading-container {
|
||
position: absolute;
|
||
top: 50%;
|
||
left: 50%;
|
||
transform: translate(-50%, -50%);
|
||
z-index: 10;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
font-size: 14px;
|
||
color: #999;
|
||
}
|
||
|
||
.empty-data {
|
||
position: absolute;
|
||
top: 50%;
|
||
left: 50%;
|
||
transform: translate(-50%, -50%);
|
||
font-size: 14px;
|
||
color: #999;
|
||
}
|
||
</style>
|