echarts模板化开发，简易版配置大屏组件-根据配置文件输出图形和模板（vue2+echarts5.0）
实现结果
项目结构
根据我的目录和代码 复制到项目中
echartsTemplate-echarts图形
pie实例
<template><div :id="echartsId"></div>
</template>
<script>
export default {name: '',components: {},mixins: [],props: ['echartsId', 'echartsJsonData'],data() {return {};},computed: {},watch: {echartsJsonData: {handler(to) {// console.log(to, 'to');if (to) {let _this = this;this.$nextTick(() => {_this.getEcharts();});}},immediate: true,},},mounted() {},methods: {getEcharts() {const pieCharts = this.$echarts.init(document.querySelector('#' + this.echartsId));let chartData = [95.65, 96.15, 96.82, 97.45, 97.85, 99.23, 99.79, 100.77, 100.03,101.75, 101.42, 101.54, 101.24, 102.65, 103.08, 103.22, 102.87,101.86, 101.3, 100.04, 101.08, 98.58, 98.42, 99, 98.94, 99.21,99.29, 100.2, 100.41, 100.26, 101.88, 103.26, 105.1, 109.39,108.48, 108.71, 108.18, 109.15, 109.6, 106.76, 107.35, 106.77,105.99, 105.48, 104.52, 104.25, 104.94, 103.35, 103.55,];const xData = Array.from({ length: chartData.length },(_, index) => index);let options = {tooltip: {trigger: 'axis',axisPointer: {type: 'cross',},},grid: {top: 10,left: 10,bottom: 10,right: 10,containLabel: true,},xAxis: {type: 'category',data: xData,},yAxis: {scale: true,},series: [{symbolSize: 10,data: xData.map((x, i) => [x, chartData[i]]),type: 'scatter',},],};// 渲染 echartspieCharts.setOption(options, true);pieCharts.resize();},},
};
</script>
<style lang="" scoped></style>dataHandle.js-数据处理方法
export const handleSlpmle = (data) => {// console.log(data);return data;
};echartsGet.vue-模板调用，图形模板根据配置文件调用
<template><div><!-- 如果echartsJsonSet useFlag等于true的话那就是省份的特殊样式--><divv-if="echartsJsonSet"style="position: relative":style="{height: echartsJsonSet.height,width: echartsJsonSet.width,}"id="combatTable":class="echartsJsonSet.useFlag? `${echartsJsonSet.tempId} ${echartsJsonSet.tempId}_${echartsJsonSet.value}`: `${echartsJsonSet.tempId}`"><!-- 使用 component 标签配合 is 属性 --><div v-if="echartsJsonSet"><componentv-for="(item, index) in echartsJsonSet.echartsList":key="index":is="item.type":echartsId="item.tempName":echartsJsonData="item":style="{width: item.width,height: item.height,}":class="`${item.tempName} echartsList`"></component></div></div></div>
</template>
<script>
import pie from './echartsTemplate/pie.vue';
import areaEcharts from './echartsTemplate/areaEcharts.vue';
import bar from './echartsTemplate/bar.vue';
import lineBar from './echartsTemplate/lineBar.vue';
import lineEcharts from './echartsTemplate/lineEcharts.vue';
import mapEcharts from './echartsTemplate/mapEcharts.vue';
import radar from './echartsTemplate/radar.vue';
import stacked from './echartsTemplate/stacked.vue';
import trabecula from './echartsTemplate/trabecula.vue';
export default {name: '',components: {pie,areaEcharts,bar,lineBar,lineEcharts,mapEcharts,radar,stacked,trabecula,},mixins: [],// 'echartsJson'标准模板，默认值 'areaEchartsJson'地区模板，如果某个地区的某个图需要特殊方式显示props: ['echartsJson'],data() {return { echartsJsonSet: null };},computed: {},watch: {echartsJson: {handler(to) {if (to) {console.log(to, 'ttotooto');this.echartsJsonSet = to;}},immediate: true,},},mounted() {},methods: {},
};
</script>
<style lang="" scoped></style>echartsTempCss.less模板css，根据规则生成的class名
.G000 {background: rgba(175, 199, 223);.echartsList {position: absolute;}.G00001 {top: 10px;left: 10px;}.G00002 {top:201px;left: 10px;}.G00003 {top: 10px;left: 267.5px;}.G00004 {top: 392px;left: 10px;border: 1px solid rgb(245, 246, 247);}.G00005 {top: 392px;left: 267.5px;border: 1px solid rgb(245, 246, 247);}.G00006 {top: 392px;left: 525px;border: 1px solid rgb(245, 246, 247);}.G00007 {top: 10px;left: 782.5px;border: 1px solid rgb(245, 246, 247);}.G00008 {top:201px;left: 782.5px;border: 1px solid rgb(245, 246, 247);}.G00009 {top: 392px;left: 782.5px;border: 1px solid rgb(245, 246, 247);}
}functionEcharts.vue-操作按钮
<template><div><div class="block"><span class="demonstration">月</span><el-date-pickerv-model="timeValue"type="month"placeholder="选择月"></el-date-picker></div><el-select v-model="selectValue" placeholder="请选择"><el-optionv-for="item in option":key="item.value":label="item.label":value="item.value"></el-option></el-select><el-button @click="query">查询</el-button><!-- <div @click="generateAndDownloadReport">下载</div> --></div>
</template>
<script>
import html2canvas from 'html2canvas';
import provinceSetting from './provinceSetting.json';
export default {name: '',components: {},mixins: [],props: {},data() {return {selectValue: '100000',timeValue: '2024-06',option: provinceSetting,};},computed: {},watch: {},mounted() {},methods: {query() {this.$eventBus.$emit('realDatas', {time: this.formatDate(this.timeValue),province: this.selectValue,});},formatDate(dateString) {try {const date = new Date(dateString);return [date.getFullYear(),(date.getMonth() + 1).toString().padStart(2, '0'),].join('');} catch (e) {return '格式错误';}},generateAndDownloadReport() {try {const targetElement = document.getElementById('combatContent');html2canvas(targetElement, {scale: 1, // 提高分辨率backgroundColor: '#ffffff', // 背景色（可自定义）useCORS: true, // 如果有加载图片或图标}).then((canvas) => {// 生成图片链接const link = document.createElement('a');link.download = 'combat-report.png';link.href = canvas.toDataURL('image/png', 0.0);// 下载图片document.body.appendChild(link);link.click();document.body.removeChild(link);});} catch (error) {console.error('生成报告失败:', error);alert('下载失败：' + error.message);}},},
};
</script>
<style lang="" scoped></style>index.vue-入口页面
<template><div style="padding: 10px"><paramEcharts v-if="functionFlag"></paramEcharts><echartsGet id="combatContent" :echartsJson="echartsJson"></echartsGet></div>
</template>
<script>
import echartsTempJson from './temp.json';
import provinceSetting from './provinceSetting.json';
import paramEcharts from './functionEcharts.vue';
import echartsGet from './echartsGet.vue';
import { handleSlpmle } from './dataHandle.js';export default {name: '',components: { echartsGet, paramEcharts },mixins: [],props: {},data() {return {functionFlag: true,echartsJson: null,// echartsTempJson: null,time: '202406',province: '100000',echartsListData: {},};},computed: {},watch: {},mounted() {if (this.$route.query.province) {//根据省份信息去查provinceSetting配置信息，然后根据里面的模板id去查temp公共模板配置this.functionFlag = false;//如果传了模板id就不显示参数按钮//在后台调用echarts模板时 需要时间，省份之类的参数，前端参数按钮也需要//应该从省份区模板才对// this.echartsTempJson = echartsTempJson[graphId];this.getEchartsData('202406', this.$route.query.province);} else {this.functionFlag = true;// this.time = '2024';// this.province = '100000';this.getEchartsData('202406', '100000'); //默认}let _this = this;this.$eventBus.$on('realDatas', function (res) {// console.log(res);// _this.areaEchartsJson = res.alldata;_this.getEchartsData(res.time, res.province);});},methods: {//根据传来的tiem和province去查询接口getEchartsData(time, province) {let tempC = {};// 查找对应的省份模板配置for (const elementProvince of provinceSetting) {if (province !== elementProvince.value) continue;// 遍历模板配置（公共模板）for (const key in echartsTempJson) {if (elementProvince.tempId !== key) continue;tempC = { ...echartsTempJson[key] }; // 深拷贝公共模板tempC.value = elementProvince.value;tempC.useFlag = !!elementProvince.useFlag; // 是否使用地区特殊样式// 遍历地区模板中的 echartsList 并覆盖公共模板对应项for (const elementEchartsList of elementProvince.echartsList) {for (let j = 0; j < tempC.echartsList.length; j++) {if (elementEchartsList.tempName ===tempC.echartsList[j].tempName) {if (elementEchartsList.useFlag) {tempC.echartsList[j] = {...elementEchartsList,};}if (elementEchartsList.useFunction) {tempC.echartsList[j].useFunction =elementEchartsList.useFunction;}}}}}}// 构造接口参数let params = {dateStr: time,regionCode: province,topicId: tempC.tempId,};//调用接口传数据let echartsListData = {G0001_G000001: [{ name: 1111, value: 2222 },{ name: 1111, value: 2222 },{ name: 1111, value: 2222 },{ name: 2222, value: 2222 },{ name: 2222, value: 2222 },],G0001_G000002: [{ name: 4444, value: 3333 },{ name: 4444, value: 3333 },{ name: 4444, value: 3333 },{ name: 3333, value: 3333 },{ name: 3333, value: 3333 },{ name: 3333, value: 3333 },],};for (const key in echartsListData) {for (let index = 0; index < tempC.echartsList.length; index++) {const elements = tempC.echartsList[index];// 通过模板名匹配数据键名（去掉前缀）if (elements.tempName === key.split('_')[1]) {let funcName = elements.useFunction;console.log(funcName);// 动态调用指定的数据处理函数let thisData = funcName? handleFns[funcName](echartsListData[key]): handleFns.handleSlpmle(echartsListData[key]);// 设置处理后的数据tempC.echartsList[index].optionData = thisData;}}}this.echartsJson = tempC;},},
};
</script>
<style lang="less">
@import './echartsTempCss.less';
</style>provinceSetting.json-根据省份分别显示模板（强化公共模板）
[{"value": "100000","label": "全国","realValue": ["100000"],"tempId": "G000","useFlag": true,"echartsList": [{"useFlag": false,"tempName": "G00001","type": "pie","width": "300px","height": "400px"},{ "tempName": "G00002", "type": "pie" },{ "tempName": "G00003", "type": "pie" },{ "tempName": "G00004", "type": "pie" },{ "tempName": "G00005", "type": "pie" },{ "tempName": "G00006", "type": "pie" },{ "tempName": "G00007", "type": "pie" },{ "tempName": "G00008", "type": "pie" },{ "tempName": "G00009", "type": "pie" }]},{"value": "100001","label": "中部地区","tempId": "G0003","realValue": ["140000","340000","360000","410000","420000","430000"],"echartsList": [{"useFlag": false,"tempName": "G000301"}]}
]temp.json-公共模板
{"G000": {"name": "全国指标速览","show": true,"tempId": "G000","width": "1030px","height": "575px","echartsList": [{"tempName": "G00001","type": "pie","width": "237.5px","height": "171px","useFunction": "handleSlpmle"},{"tempName": "G00002","type": "radar","width": "237.5px","height": "171px"},{"tempName": "G00003","type": "map","width": "515px","height": "382px"},{"tempName": "G00004","type": "area","width": "237.5px","height": "171px"},{"tempName": "G00005","type": "lineEcharts","width": "237.5px","height": "171px"},{"tempName": "G00006","type": "bar","width": "237.5px","height": "171px"},{"tempName": "G00007","type": "bar","width": "237.5px","height": "171px"},{"tempName": "G00008","type": "trabecula","width": "237.5px","height": "171px"},{"tempName": "G00009","type": "lineEcharts","width": "237.5px","height": "171px"}]},"G0003": {"name": "省份","show": true,"tempId": "G0003","width": "1030px","height": "575px","echartsList": [{"tempName": "G000301","type": "map","width": "237.5px","height": "171px"}]}
}