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<!-- * qiun-data-charts 秋云高性能跨全端图表组件 * Copyright (c) 2021 QIUN® 秋云 https://www.ucharts.cn All rights reserved.
* Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
* 复制使用请保留本段注释,感谢支持开源! * 为方便更多开发者使用,如有更好的建议请提交码云 Pull Requests ! * * uCharts®官方网站 * https://www.uCharts.cn
* * 开源地址: * https://gitee.com/uCharts/uCharts
* * uni-app插件市场地址: * http://ext.dcloud.net.cn/plugin?id=271
* --> <template> <view class="chartsview" :id="'ChartBoxId'+cid"> <view v-if="mixinDatacomLoading"> <!-- 自定义加载状态,请改这里 --> <qiun-loading :loadingType="loadingType" /> </view> <view v-if="mixinDatacomErrorMessage && errorShow" @tap="reloading"> <!-- 自定义错误提示,请改这里 --> <qiun-error :errorMessage="errorMessage" /> </view> <!-- APP和H5采用renderjs渲染图表 --> <!-- #ifdef APP-VUE || H5 --> <block v-if="echarts"> <view :style="{ background: background }" style="width: 100%;height: 100%;" :data-directory="directory" :id="'EC'+cid" :prop="echartsOpts" :change:prop="rdcharts.ecinit" :resize="echartsResize" :change:resize="rdcharts.ecresize" v-show="showchart" /> </block> <block v-else> <view v-on:tap="rdcharts.tap" v-on:mousemove="rdcharts.mouseMove" v-on:mousedown="rdcharts.mouseDown" v-on:mouseup="rdcharts.mouseUp" v-on:touchstart="rdcharts.touchStart" v-on:touchmove="rdcharts.touchMove" v-on:touchend="rdcharts.touchEnd" :id="'UC'+cid" :prop="uchartsOpts" :change:prop="rdcharts.ucinit" > <canvas :id="cid" :canvasId="cid" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" :disable-scroll="disableScroll" @error="_error" v-show="showchart" /> </view> </block> <!-- #endif --> <!-- 支付宝小程序 --> <!-- #ifdef MP-ALIPAY --> <block v-if="ontouch"> <canvas :id="cid" :canvasId="cid" :width="cWidth * pixel" :height="cHeight * pixel" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" :disable-scroll="disScroll" @tap="_tap" @touchstart="_touchStart" @touchmove="_touchMove" @touchend="_touchEnd" @error="_error" v-show="showchart" /> </block> <block v-if="!ontouch"> <canvas :id="cid" :canvasId="cid" :width="cWidth * pixel" :height="cHeight * pixel" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" :disable-scroll="disScroll" @tap="_tap" @error="_error" v-show="showchart" /> </block> <!-- #endif --> <!-- 其他小程序通过vue渲染图表 --> <!-- #ifdef MP-WEIXIN || MP-BAIDU || MP-QQ || MP-TOUTIAO || MP-KUAISHOU || MP-LARK || MP-JD || MP-360 --> <block v-if="type2d"> <view v-if="ontouch" @tap="_tap"> <canvas :id="cid" :canvasId="cid" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" type="2d" :disable-scroll="disScroll" @touchstart="_touchStart" @touchmove="_touchMove" @touchend="_touchEnd" @error="_error" v-show="showchart" /> </view> <view v-if="!ontouch" @tap="_tap"> <canvas :id="cid" :canvasId="cid" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" type="2d" :disable-scroll="disScroll" @error="_error" v-show="showchart" /> </view> </block> <block v-if="!type2d"> <view v-if="ontouch" @tap="_tap"> <canvas :id="cid" :canvasId="cid" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" @touchstart="_touchStart" @touchmove="_touchMove" @touchend="_touchEnd" :disable-scroll="disScroll" @error="_error" v-if="showchart" /> </view> <view v-if="!ontouch" > <canvas :id="cid" :canvasId="cid" :style="{ width: cWidth + 'px', height: cHeight + 'px', background: background }" :disable-scroll="disScroll" @tap="_tap" @error="_error" v-if="showchart" /> </view> </block> <!-- #endif --> </view> </template>
<script> import uCharts from '../../js_sdk/u-charts/u-charts.js'; import cfu from '../../js_sdk/u-charts/config-ucharts.js'; // #ifdef APP-VUE || H5
import cfe from '../../js_sdk/u-charts/config-echarts.js'; // #endif
function deepCloneAssign(origin = {}, ...args) { for (let i in args) { for (let key in args[i]) { if (args[i].hasOwnProperty(key)) { origin[key] = args[i][key] && typeof args[i][key] === 'object' ? deepCloneAssign(Array.isArray(args[i][key]) ? [] : {}, origin[key], args[i][key]) : args[i][key]; } } } return origin; }
function formatterAssign(args,formatter) { for (let key in args) { if(args.hasOwnProperty(key) && args[key] !== null && typeof args[key] === 'object'){ formatterAssign(args[key],formatter) }else if(key === 'format' && typeof args[key] === 'string'){ args['formatter'] = formatter[args[key]] ? formatter[args[key]] : undefined; } } return args; }
// 时间转换函数,为了匹配uniClinetDB读取出的时间与categories不同
function getFormatDate(date) { var seperator = "-"; var year = date.getFullYear(); var month = date.getMonth() + 1; var strDate = date.getDate(); if (month >= 1 && month <= 9) { month = "0" + month; } if (strDate >= 0 && strDate <= 9) { strDate = "0" + strDate; } var currentdate = year + seperator + month + seperator + strDate; return currentdate; }
var lastMoveTime = null; /** * 防抖 * * @param { Function } fn 要执行的方法 * @param { Number } wait 防抖多少毫秒 * * 在 vue 中使用(注意:不能使用箭头函数,否则this指向不对,并且不能再次封装如: * move(){ // 错误调用方式
* debounce(function () { * console.log(this.title); * }, 1000)}); * 应该直接使用:// 正确调用方式
* move: debounce(function () { * console.log(this.title); * }, 1000) */ function debounce(fn, wait) { let timer = false; return function() { clearTimeout(timer); timer && clearTimeout(timer); timer = setTimeout(() => { timer = false; fn.apply(this, arguments); // 把参数传进去
}, wait); }; }
export default { name: 'qiun-data-charts', mixins: [uniCloud.mixinDatacom], props: { type: { type: String, default: null }, canvasId: { type: String, default: 'uchartsid' }, canvas2d: { type: Boolean, default: false }, background: { type: String, default: 'rgba(0,0,0,0)' }, animation: { type: Boolean, default: true }, chartData: { type: Object, default() { return { categories: [], series: [] }; } }, opts: { type: Object, default() { return {}; } }, eopts: { type: Object, default() { return {}; } }, loadingType: { type: Number, default: 2 }, errorShow: { type: Boolean, default: true }, errorReload: { type: Boolean, default: true }, errorMessage: { type: String, default: null }, inScrollView: { type: Boolean, default: false }, reshow: { type: Boolean, default: false }, reload: { type: Boolean, default: false }, disableScroll: { type: Boolean, default: false }, optsWatch: { type: Boolean, default: true }, onzoom: { type: Boolean, default: false }, ontap: { type: Boolean, default: true }, ontouch: { type: Boolean, default: false }, onmouse: { type: Boolean, default: true }, onmovetip: { type: Boolean, default: false }, echartsH5: { type: Boolean, default: false }, echartsApp: { type: Boolean, default: false }, tooltipShow: { type: Boolean, default: true }, tooltipFormat: { type: String, default: undefined }, tooltipCustom: { type: Object, default: undefined }, startDate: { type: String, default: undefined }, endDate: { type: String, default: undefined }, textEnum: { type: Array, default () { return [] } }, groupEnum: { type: Array, default () { return [] } }, pageScrollTop: { type: Number, default: 0 }, directory: { type: String, default: '/' }, tapLegend: { type: Boolean, default: true }, menus: { type: Array, default () { return [] } } }, data() { return { cid: 'uchartsid', inWx: false, inAli: false, inTt: false, inBd: false, inH5: false, inApp: false, inWin: false, type2d: true, disScroll: false, openmouse: false, pixel: 1, cWidth: 375, cHeight: 250, showchart: false, echarts: false, echartsResize:{ state:false }, uchartsOpts: {}, echartsOpts: {}, drawData:{}, lastDrawTime:null, }; }, created(){ this.cid = this.canvasId if (this.canvasId == 'uchartsid' || this.canvasId == '') { let t = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' let len = t.length let id = '' for (let i = 0; i < 32; i++) { id += t.charAt(Math.floor(Math.random() * len)) } this.cid = id } const systemInfo = uni.getSystemInfoSync() if(systemInfo.platform === 'windows' || systemInfo.platform === 'mac'){ this.inWin = true; } // #ifdef MP-WEIXIN
this.inWx = true; if (this.canvas2d === false || systemInfo.platform === 'windows' || systemInfo.platform === 'mac') { this.type2d = false; }else{ this.type2d = true; this.pixel = systemInfo.pixelRatio; } // #endif
//非微信小程序端强制关闭canvas2d模式
// #ifndef MP-WEIXIN
this.type2d = false; // #endif
// #ifdef MP-TOUTIAO || MP-LARK || MP-ALIPAY
this.type2d = this.canvas2d; // #endif
// #ifdef MP-ALIPAY
this.inAli = true; this.pixel = systemInfo.pixelRatio; // #endif
// #ifdef MP-BAIDU
this.inBd = true; // #endif
// #ifdef MP-TOUTIAO
this.inTt = true; // #endif
this.disScroll = this.disableScroll; }, mounted() { // #ifdef APP-VUE
this.inApp = true; if (this.echartsApp === true) { this.echarts = true; this.openmouse = false; } // #endif
// #ifdef APP-NVUE
this.inApp = true; this.mixinDatacomLoading = false this.mixinDatacomErrorMessage = "暂不支持NVUE" // #endif
// #ifdef H5
this.inH5 = true; if(this.inWin === true){ this.openmouse = this.onmouse; } if (this.echartsH5 === true) { this.echarts = true; } // #endif
this.$nextTick(()=>{ this.beforeInit(); }) // #ifndef MP-ALIPAY || MP-BAIDU || MP-TOUTIAO || APP-VUE
const time = this.inH5 ? 500 : 200; const _this = this; uni.onWindowResize( debounce(function(res) { if (_this.mixinDatacomLoading == true) { return; } let errmsg = _this.mixinDatacomErrorMessage; if (errmsg !== null && errmsg !== 'null' && errmsg !== '') { return; } if (_this.echarts) { _this.echartsResize.state = !_this.echartsResize.state; } else { _this.resizeHandler(); } }, time) ); // #endif
}, destroyed(){ if(this.echarts === true){ delete cfe.option[this.cid] delete cfe.instance[this.cid] }else{ delete cfu.option[this.cid] delete cfu.instance[this.cid] } // #ifndef MP-ALIPAY || MP-BAIDU || MP-TOUTIAO
uni.offWindowResize(()=>{}) // #endif
}, watch: { chartDataProps: { handler(val, oldval) { if (typeof val === 'object') { if (JSON.stringify(val) !== JSON.stringify(oldval)) { this._clearChart(); if (val.series && val.series.length > 0) { this.beforeInit(); }else{ this.mixinDatacomLoading = true; this.showchart = false; this.mixinDatacomErrorMessage = null; } } } else { this.mixinDatacomLoading = false; this._clearChart(); this.showchart = false; this.mixinDatacomErrorMessage = '参数错误:chartData数据类型错误'; } }, immediate: false, deep: true }, localdata:{ handler(val, oldval) { if (JSON.stringify(val) !== JSON.stringify(oldval)) { if (val.length > 0) { this.beforeInit(); }else{ this.mixinDatacomLoading = true; this._clearChart(); this.showchart = false; this.mixinDatacomErrorMessage = null; } } }, immediate: false, deep: true }, optsProps: { handler(val, oldval) { if (typeof val === 'object') { if (JSON.stringify(val) !== JSON.stringify(oldval) && this.echarts === false && this.optsWatch == true) { this.checkData(this.drawData); } } else { this.mixinDatacomLoading = false; this._clearChart(); this.showchart = false; this.mixinDatacomErrorMessage = '参数错误:opts数据类型错误'; } }, immediate: false, deep: true }, eoptsProps: { handler(val, oldval) { if (typeof val === 'object') { if (JSON.stringify(val) !== JSON.stringify(oldval) && this.echarts === true) { this.checkData(this.drawData); } } else { this.mixinDatacomLoading = false; this.showchart = false; this.mixinDatacomErrorMessage = '参数错误:eopts数据类型错误'; } }, immediate: false, deep: true }, reshow(val, oldval) { if (val === true && this.mixinDatacomLoading === false) { setTimeout(() => { this.mixinDatacomErrorMessage = null; this.echartsResize.state = !this.echartsResize.state; this.checkData(this.drawData); }, 200); } }, reload(val, oldval) { if (val === true) { this.showchart = false; this.mixinDatacomErrorMessage = null; this.reloading(); } }, mixinDatacomErrorMessage(val, oldval) { if (val) { this.emitMsg({name: 'error', params: {type:"error", errorShow: this.errorShow, msg: val, id: this.cid}}); if(this.errorShow){ console.log('[秋云图表组件]' + val); } } }, errorMessage(val, oldval) { if (val && this.errorShow && val !== null && val !== 'null' && val !== '') { this.showchart = false; this.mixinDatacomLoading = false; this.mixinDatacomErrorMessage = val; } else { this.showchart = false; this.mixinDatacomErrorMessage = null; this.reloading(); } } }, computed: { optsProps() { return JSON.parse(JSON.stringify(this.opts)); }, eoptsProps() { return JSON.parse(JSON.stringify(this.eopts)); }, chartDataProps() { return JSON.parse(JSON.stringify(this.chartData)); }, }, methods: { beforeInit(){ this.mixinDatacomErrorMessage = null; if (typeof this.chartData === 'object' && this.chartData != null && this.chartData.series !== undefined && this.chartData.series.length > 0) { //拷贝一下chartData,为了opts变更后统一数据来源
this.drawData = deepCloneAssign({}, this.chartData); this.mixinDatacomLoading = false; this.showchart = true; this.checkData(this.chartData); }else if(this.localdata.length>0){ this.mixinDatacomLoading = false; this.showchart = true; this.localdataInit(this.localdata); }else if(this.collection !== ''){ this.mixinDatacomLoading = false; this.getCloudData(); }else{ this.mixinDatacomLoading = true; } }, localdataInit(resdata){ //替换enum类型为正确的描述
if(this.groupEnum.length>0){ for (let i = 0; i < resdata.length; i++) { for (let j = 0; j < this.groupEnum.length; j++) { if(resdata[i].group === this.groupEnum[j].value){ resdata[i].group = this.groupEnum[j].text } } } } if(this.textEnum.length>0){ for (let i = 0; i < resdata.length; i++) { for (let j = 0; j < this.textEnum.length; j++) { if(resdata[i].text === this.textEnum[j].value){ resdata[i].text = this.textEnum[j].text } } } } let needCategories = false; let tmpData = {categories:[], series:[]} let tmpcategories = [] let tmpseries = []; //拼接categories
if(this.echarts === true){ needCategories = cfe.categories.includes(this.type) }else{ needCategories = cfu.categories.includes(this.type) } if(needCategories === true){ //如果props中的chartData带有categories,则优先使用chartData的categories
if(this.chartData && this.chartData.categories && this.chartData.categories.length>0){ tmpcategories = this.chartData.categories }else{ //如果是日期类型的数据,不管是本地数据还是云数据,都按起止日期自动拼接categories
if(this.startDate && this.endDate){ let idate = new Date(this.startDate) let edate = new Date(this.endDate) while (idate <= edate) { tmpcategories.push(getFormatDate(idate)) idate = idate.setDate(idate.getDate() + 1) idate = new Date(idate) } //否则从结果中去重并拼接categories
}else{ let tempckey = {}; resdata.map(function(item, index) { if (item.text != undefined && !tempckey[item.text]) { tmpcategories.push(item.text) tempckey[item.text] = true } }); } } tmpData.categories = tmpcategories } //拼接series
let tempskey = {}; resdata.map(function(item, index) { if (item.group != undefined && !tempskey[item.group]) { tmpseries.push({ name: item.group, data: [] }); tempskey[item.group] = true; } }); //如果没有获取到分组名称(可能是带categories的数据,也可能是不带的饼图类)
if (tmpseries.length == 0) { tmpseries = [{ name: '默认分组', data: [] }]; //如果是需要categories的图表类型
if(needCategories === true){ for (let j = 0; j < tmpcategories.length; j++) { let seriesdata = 0; for (let i = 0; i < resdata.length; i++) { if (resdata[i].text == tmpcategories[j]) { seriesdata = resdata[i].value; } } tmpseries[0].data.push(seriesdata); } //如果是饼图类的图表类型
}else{ for (let i = 0; i < resdata.length; i++) { tmpseries[0].data.push({"name": resdata[i].text,"value": resdata[i].value}); } } //如果有分组名
} else { for (let k = 0; k < tmpseries.length; k++) { //如果有categories
if (tmpcategories.length > 0) { for (let j = 0; j < tmpcategories.length; j++) { let seriesdata = 0; for (let i = 0; i < resdata.length; i++) { if (tmpseries[k].name == resdata[i].group && resdata[i].text == tmpcategories[j]) { seriesdata = resdata[i].value; } } tmpseries[k].data.push(seriesdata); } //如果传了group而没有传text,即没有categories(正常情况下这种数据是不符合数据要求规范的)
} else { for (let i = 0; i < resdata.length; i++) { if (tmpseries[k].name == resdata[i].group) { tmpseries[k].data.push(resdata[i].value); } } } } } tmpData.series = tmpseries //拷贝一下chartData,为了opts变更后统一数据来源
this.drawData = deepCloneAssign({}, tmpData); this.checkData(tmpData) }, reloading() { if(this.errorReload === false){ return; } this.showchart = false; this.mixinDatacomErrorMessage = null; if (this.collection !== '') { this.mixinDatacomLoading = false; this.onMixinDatacomPropsChange(true); } else { this.beforeInit(); } }, checkData(anyData) { let cid = this.cid //复位opts或eopts
if(this.echarts === true){ cfe.option[cid] = deepCloneAssign({}, this.eopts); cfe.option[cid].id = cid; cfe.option[cid].type = this.type; }else{ if (this.type && cfu.type.includes(this.type)) { cfu.option[cid] = deepCloneAssign({}, cfu[this.type], this.opts); cfu.option[cid].canvasId = cid; } else { this.mixinDatacomLoading = false; this.showchart = false; this.mixinDatacomErrorMessage = '参数错误:props参数中type类型不正确'; } } //挂载categories和series
let newData = deepCloneAssign({}, anyData); if (newData.series !== undefined && newData.series.length > 0) { this.mixinDatacomErrorMessage = null; if (this.echarts === true) { cfe.option[cid].chartData = newData; this.$nextTick(()=>{ this.init() }) }else{ cfu.option[cid].categories = newData.categories; cfu.option[cid].series = newData.series; this.$nextTick(()=>{ this.init() }) } } }, resizeHandler() { //渲染防抖
let currTime = Date.now(); let lastDrawTime = this.lastDrawTime?this.lastDrawTime:currTime-3000; let duration = currTime - lastDrawTime; if (duration < 1000) return; let chartdom = uni .createSelectorQuery() // #ifndef MP-ALIPAY
.in(this) // #endif
.select('#ChartBoxId'+this.cid) .boundingClientRect(data => { this.showchart = true; if (data.width > 0 && data.height > 0) { if (data.width !== this.cWidth || data.height !== this.cHeight) { this.checkData(this.drawData) } } }) .exec(); }, getCloudData() { if (this.mixinDatacomLoading == true) { return; } this.mixinDatacomLoading = true; this.mixinDatacomGet() .then(res => { this.mixinDatacomResData = res.result.data; this.localdataInit(this.mixinDatacomResData); }) .catch(err => { this.mixinDatacomLoading = false; this.showchart = false; this.mixinDatacomErrorMessage = '请求错误:' + err; }); }, onMixinDatacomPropsChange(needReset, changed) { if (needReset == true && this.collection !== '') { this.showchart = false; this.mixinDatacomErrorMessage = null; this._clearChart(); this.getCloudData(); } }, _clearChart() { let cid = this.cid if (this.echarts !== true && cfu.option[cid] && cfu.option[cid].context) { const ctx = cfu.option[cid].context; if(typeof ctx === "object" && !!!cfu.option[cid].update){ ctx.clearRect(0, 0, this.cWidth*this.pixel, this.cHeight*this.pixel); ctx.draw(); } } }, init() { let cid = this.cid let chartdom = uni .createSelectorQuery() // #ifndef MP-ALIPAY
.in(this) // #endif
.select('#ChartBoxId'+cid) .boundingClientRect(data => { if (data.width > 0 && data.height > 0) { this.mixinDatacomLoading = false; this.showchart = true; this.lastDrawTime = Date.now(); this.cWidth = data.width; this.cHeight = data.height; if(this.echarts !== true){ cfu.option[cid].background = this.background == 'rgba(0,0,0,0)' ? '#FFFFFF' : this.background; cfu.option[cid].canvas2d = this.type2d; cfu.option[cid].pixelRatio = this.pixel; cfu.option[cid].animation = this.animation; cfu.option[cid].width = data.width * this.pixel; cfu.option[cid].height = data.height * this.pixel; cfu.option[cid].onzoom = this.onzoom; cfu.option[cid].ontap = this.ontap; cfu.option[cid].ontouch = this.ontouch; cfu.option[cid].onmouse = this.openmouse; cfu.option[cid].onmovetip = this.onmovetip; cfu.option[cid].tooltipShow = this.tooltipShow; cfu.option[cid].tooltipFormat = this.tooltipFormat; cfu.option[cid].tooltipCustom = this.tooltipCustom; cfu.option[cid].inScrollView = this.inScrollView; cfu.option[cid].lastDrawTime = this.lastDrawTime; cfu.option[cid].tapLegend = this.tapLegend; } //如果是H5或者App端,采用renderjs渲染图表
if (this.inH5 || this.inApp) { if (this.echarts == true) { cfe.option[cid].ontap = this.ontap; cfe.option[cid].onmouse = this.openmouse; cfe.option[cid].tooltipShow = this.tooltipShow; cfe.option[cid].tooltipFormat = this.tooltipFormat; cfe.option[cid].tooltipCustom = this.tooltipCustom; cfe.option[cid].lastDrawTime = this.lastDrawTime; this.echartsOpts = deepCloneAssign({}, cfe.option[cid]); } else { cfu.option[cid].rotateLock = cfu.option[cid].rotate; this.uchartsOpts = deepCloneAssign({}, cfu.option[cid]); } //如果是小程序端,采用uCharts渲染
} else { cfu.option[cid] = formatterAssign(cfu.option[cid],cfu.formatter) this.mixinDatacomErrorMessage = null; this.mixinDatacomLoading = false; this.showchart = true; this.$nextTick(()=>{ if (this.type2d === true) { const query = uni.createSelectorQuery().in(this) query .select('#' + cid) .fields({ node: true, size: true }) .exec(res => { if (res[0]) { const canvas = res[0].node; const ctx = canvas.getContext('2d'); cfu.option[cid].context = ctx; cfu.option[cid].rotateLock = cfu.option[cid].rotate; if(cfu.instance[cid] && cfu.option[cid] && cfu.option[cid].update === true){ this._updataUChart(cid) }else{ canvas.width = data.width * this.pixel; canvas.height = data.height * this.pixel; canvas._width = data.width * this.pixel; canvas._height = data.height * this.pixel; setTimeout(()=>{ cfu.option[cid].context.restore(); cfu.option[cid].context.save(); this._newChart(cid) },100) } } else { this.showchart = false; this.mixinDatacomErrorMessage = '参数错误:开启2d模式后,未获取到dom节点,canvas-id:' + cid; } }); } else { if(this.inAli){ cfu.option[cid].rotateLock = cfu.option[cid].rotate; } cfu.option[cid].context = uni.createCanvasContext(cid, this); if(cfu.instance[cid] && cfu.option[cid] && cfu.option[cid].update === true){ this._updataUChart(cid) }else{ setTimeout(()=>{ cfu.option[cid].context.restore(); cfu.option[cid].context.save(); this._newChart(cid) },100) } } }) } } else { this.mixinDatacomLoading = false; this.showchart = false; if (this.reshow == true) { this.mixinDatacomErrorMessage = '布局错误:未获取到父元素宽高尺寸!canvas-id:' + cid; } } }) .exec(); }, saveImage(){ uni.canvasToTempFilePath({ canvasId: this.cid, success: res=>{ //#ifdef H5
var a = document.createElement("a"); a.href = res.tempFilePath; a.download = this.cid; a.target = '_blank' a.click(); //#endif
//#ifndef H5
uni.saveImageToPhotosAlbum({ filePath: res.tempFilePath, success: function () { uni.showToast({ title: '保存成功', duration: 2000 }); } }); //#endif
} },this); }, getImage(){ if(this.type2d == false){ uni.canvasToTempFilePath({ canvasId: this.cid, success: res=>{ this.emitMsg({name: 'getImage', params: {type:"getImage", base64: res.tempFilePath}}); } },this); }else{ const query = uni.createSelectorQuery().in(this) query .select('#' + this.cid) .fields({ node: true, size: true }) .exec(res => { if (res[0]) { const canvas = res[0].node; this.emitMsg({name: 'getImage', params: {type:"getImage", base64: canvas.toDataURL('image/png')}}); } }); } }, // #ifndef APP-VUE || H5
_newChart(cid) { if (this.mixinDatacomLoading == true) { return; } this.showchart = true; cfu.instance[cid] = new uCharts(cfu.option[cid]); cfu.instance[cid].addEventListener('renderComplete', () => { this.emitMsg({name: 'complete', params: {type:"complete", complete: true, id: cid, opts: cfu.instance[cid].opts}}); cfu.instance[cid].delEventListener('renderComplete') }); cfu.instance[cid].addEventListener('scrollLeft', () => { this.emitMsg({name: 'scrollLeft', params: {type:"scrollLeft", scrollLeft: true, id: cid, opts: cfu.instance[cid].opts}}); }); cfu.instance[cid].addEventListener('scrollRight', () => { this.emitMsg({name: 'scrollRight', params: {type:"scrollRight", scrollRight: true, id: cid, opts: cfu.instance[cid].opts}}); }); }, _updataUChart(cid) { cfu.instance[cid].updateData(cfu.option[cid]) }, _tooltipDefault(item, category, index, opts) { if (category) { let data = item.data if(typeof item.data === "object"){ data = item.data.value } return category + ' ' + item.name + ':' + data; } else { if (item.properties && item.properties.name) { return item.properties.name; } else { return item.name + ':' + item.data; } } }, _showTooltip(e) { let cid = this.cid let tc = cfu.option[cid].tooltipCustom if (tc && tc !== undefined && tc !== null) { let offset = undefined; if (tc.x >= 0 && tc.y >= 0) { offset = { x: tc.x, y: tc.y + 10 }; } cfu.instance[cid].showToolTip(e, { index: tc.index, offset: offset, textList: tc.textList, formatter: (item, category, index, opts) => { if (typeof cfu.option[cid].tooltipFormat === 'string' && cfu.formatter[cfu.option[cid].tooltipFormat]) { return cfu.formatter[cfu.option[cid].tooltipFormat](item, category, index, opts); } else { return this._tooltipDefault(item, category, index, opts); } } }); } else { cfu.instance[cid].showToolTip(e, { formatter: (item, category, index, opts) => { if (typeof cfu.option[cid].tooltipFormat === 'string' && cfu.formatter[cfu.option[cid].tooltipFormat]) { return cfu.formatter[cfu.option[cid].tooltipFormat](item, category, index, opts); } else { return this._tooltipDefault(item, category, index, opts); } } }); } }, _tap(e,move) { let cid = this.cid let currentIndex = null; let legendIndex = null; if (this.inScrollView === true || this.inAli) { let chartdom = uni .createSelectorQuery() // #ifndef MP-ALIPAY
.in(this) .select('#ChartBoxId'+cid) // #endif
// #ifdef MP-ALIPAY
.select('#'+this.cid) // #endif
.boundingClientRect(data => { e.changedTouches=[]; if (this.inAli) { e.changedTouches.unshift({ x: e.detail.clientX - data.left, y: e.detail.clientY - data.top}); }else{ e.changedTouches.unshift({ x: e.detail.x - data.left, y: e.detail.y - data.top - this.pageScrollTop}); } if(move){ if (this.tooltipShow === true) { this._showTooltip(e); } }else{ currentIndex = cfu.instance[cid].getCurrentDataIndex(e); legendIndex = cfu.instance[cid].getLegendDataIndex(e); if(this.tapLegend === true){ cfu.instance[cid].touchLegend(e); } if (this.tooltipShow === true) { this._showTooltip(e); } this.emitMsg({name: 'getIndex', params: { type:"getIndex", event:{ x: e.detail.x - data.left, y: e.detail.y - data.top }, currentIndex: currentIndex, legendIndex: legendIndex, id: cid, opts: cfu.instance[cid].opts}}); } }) .exec(); } else { if(move){ if (this.tooltipShow === true) { this._showTooltip(e); } }else{ e.changedTouches=[]; e.changedTouches.unshift({ x: e.detail.x - e.currentTarget.offsetLeft, y: e.detail.y - e.currentTarget.offsetTop }); currentIndex = cfu.instance[cid].getCurrentDataIndex(e); legendIndex = cfu.instance[cid].getLegendDataIndex(e); if(this.tapLegend === true){ cfu.instance[cid].touchLegend(e); } if (this.tooltipShow === true) { this._showTooltip(e); } this.emitMsg({name: 'getIndex', params: {type:"getIndex", event:{ x: e.detail.x, y: e.detail.y - e.currentTarget.offsetTop }, currentIndex: currentIndex, legendIndex: legendIndex, id: cid, opts: cfu.instance[cid].opts}}); } } }, _touchStart(e) { let cid = this.cid lastMoveTime=Date.now(); if(cfu.option[cid].enableScroll === true && e.touches.length == 1){ cfu.instance[cid].scrollStart(e); } this.emitMsg({name:'getTouchStart', params:{type:"touchStart", event:e.changedTouches[0], id:cid, opts: cfu.instance[cid].opts}}); }, _touchMove(e) { let cid = this.cid let currMoveTime = Date.now(); let duration = currMoveTime - lastMoveTime; let touchMoveLimit = cfu.option[cid].touchMoveLimit || 24; if (duration < Math.floor(1000 / touchMoveLimit)) return;//每秒60帧
lastMoveTime = currMoveTime; if(cfu.option[cid].enableScroll === true && e.changedTouches.length == 1){ cfu.instance[cid].scroll(e); } if(this.ontap === true && cfu.option[cid].enableScroll === false && this.onmovetip === true){ this._tap(e,true) } if(this.ontouch === true && cfu.option[cid].enableScroll === true && this.onzoom === true && e.changedTouches.length == 2){ cfu.instance[cid].dobuleZoom(e); } this.emitMsg({name: 'getTouchMove', params: {type:"touchMove", event:e.changedTouches[0], id: cid, opts: cfu.instance[cid].opts}}); }, _touchEnd(e) { let cid = this.cid if(cfu.option[cid].enableScroll === true && e.touches.length == 0){ cfu.instance[cid].scrollEnd(e); } this.emitMsg({name:'getTouchEnd', params:{type:"touchEnd", event:e.changedTouches[0], id:cid, opts: cfu.instance[cid].opts}}); if(this.ontap === true && cfu.option[cid].enableScroll === false && this.onmovetip === true){ this._tap(e,true) } }, // #endif
_error(e) { this.mixinDatacomErrorMessage = e.detail.errMsg; }, emitMsg(msg) { this.$emit(msg.name, msg.params); }, getRenderType() { //防止如果开启echarts且父元素为v-if的情况renderjs监听不到prop变化的问题
if(this.echarts===true && this.mixinDatacomLoading===false){ this.beforeInit() } }, toJSON(){ return this } } }; </script>
<!-- #ifdef APP-VUE || H5 --> <script module="rdcharts" lang="renderjs"> import uChartsRD from '../../js_sdk/u-charts/u-charts.js'; import cfu from '../../js_sdk/u-charts/config-ucharts.js'; import cfe from '../../js_sdk/u-charts/config-echarts.js';
var that = {}; var rootdom = null;
function rddeepCloneAssign(origin = {}, ...args) { for (let i in args) { for (let key in args[i]) { if (args[i].hasOwnProperty(key)) { origin[key] = args[i][key] && typeof args[i][key] === 'object' ? rddeepCloneAssign(Array.isArray(args[i][key]) ? [] : {}, origin[key], args[i][key]) : args[i][key]; } } } return origin; }
function rdformatterAssign(args,formatter) { for (let key in args) { if(args.hasOwnProperty(key) && args[key] !== null && typeof args[key] === 'object'){ rdformatterAssign(args[key],formatter) }else if(key === 'format' && typeof args[key] === 'string'){ args['formatter'] = formatter[args[key]] ? formatter[args[key]] : undefined; } } return args; }
export default { data() { return { rid:null } }, mounted() { rootdom = {top:0,left:0} // #ifdef H5
let dm = document.querySelectorAll('uni-main')[0] if(dm === undefined){ dm = document.querySelectorAll('uni-page-wrapper')[0] } rootdom = {top:dm.offsetTop,left:dm.offsetLeft} // #endif
setTimeout(()=>{ if(this.rid === null){ this.$ownerInstance && this.$ownerInstance.callMethod('getRenderType') } },200) }, destroyed(){ delete cfu.option[this.rid] delete cfu.instance[this.rid] delete cfe.option[this.rid] delete cfe.instance[this.rid] }, methods: { //==============以下是ECharts的方法====================
ecinit(newVal, oldVal, owner, instance){ let cid = JSON.stringify(newVal.id) this.rid = cid that[cid] = this.$ownerInstance || instance let eopts = JSON.parse(JSON.stringify(newVal)) let type = eopts.type; //载入并覆盖默认配置
if (type && cfe.type.includes(type)) { cfe.option[cid] = rddeepCloneAssign({}, cfe[type], eopts); }else{ cfe.option[cid] = rddeepCloneAssign({}, eopts); } let newData = eopts.chartData; if(newData){ //挂载categories和series
if(cfe.option[cid].xAxis && cfe.option[cid].xAxis.type && cfe.option[cid].xAxis.type === 'category'){ cfe.option[cid].xAxis.data = newData.categories } if(cfe.option[cid].yAxis && cfe.option[cid].yAxis.type && cfe.option[cid].yAxis.type === 'category'){ cfe.option[cid].yAxis.data = newData.categories } cfe.option[cid].series = [] for (var i = 0; i < newData.series.length; i++) { cfe.option[cid].seriesTemplate = cfe.option[cid].seriesTemplate ? cfe.option[cid].seriesTemplate : {} let Template = rddeepCloneAssign({},cfe.option[cid].seriesTemplate,newData.series[i]) cfe.option[cid].series.push(Template) } } if (typeof window.echarts === 'object') { this.newEChart() }else{ const script = document.createElement('script') // #ifdef APP-VUE
script.src = './uni_modules/qiun-data-charts/static/app-plus/echarts.min.js'; // #endif
// #ifdef H5
const { origin } = window.location; let base_url = ""; // #ifdef VUE2
base_url = process.env.BASE_URL; // #endif
// #ifdef VUE3
base_url = import.meta.env.BASE_URL; // #endif
const rooturl = origin + base_url; script.src = rooturl + 'uni_modules/qiun-data-charts/static/h5/echarts.min.js'; // #endif
script.onload = this.newEChart document.head.appendChild(script) } }, ecresize(newVal, oldVal, owner, instance){ if(cfe.instance[this.rid]){ cfe.instance[this.rid].resize() } }, newEChart(){ let cid = this.rid if(cfe.instance[cid] === undefined){ cfe.instance[cid] = echarts.init(that[cid].$el.children[0]) //ontap开启后才触发click事件
if(cfe.option[cid].ontap === true){ cfe.instance[cid].on('click', resdata => { let event = JSON.parse(JSON.stringify({ x:resdata.event.offsetX,y:resdata.event.offsetY })) that[cid].callMethod('emitMsg',{name:"getIndex", params:{type:"getIndex", event:event, currentIndex:resdata.dataIndex, value:resdata.data, seriesName: resdata.seriesName,id:cid}}) }) // 增加ECharts的highlight消息,实现按下移动返回索引功能。add by onefish 创建于 2021-12-11 09:50
cfe.instance[cid].on('highlight', resdata => { that[cid].callMethod('emitMsg',{name:"getHighlight", params:{type:"highlight", res:resdata, id:cid}}) }) } this.updataEChart(cid,cfe.option[cid]) }else{ this.updataEChart(cid,cfe.option[cid]) } }, updataEChart(cid,option){ //替换option内format属性为formatter的预定义方法
option = rdformatterAssign(option,cfe.formatter) if(option.tooltip){ option.tooltip.show = option.tooltipShow?true:false; option.tooltip.position = this.tooltipPosition() //tooltipFormat方法,替换组件的tooltipFormat为config-echarts.js内对应的方法
if (typeof option.tooltipFormat === 'string' && cfe.formatter[option.tooltipFormat]) { option.tooltip.formatter = option.tooltip.formatter ? option.tooltip.formatter : cfe.formatter[option.tooltipFormat] } } // 颜色渐变添加的方法
if (option.series) { for (let i in option.series) { let linearGradient = option.series[i].linearGradient if (linearGradient) { option.series[i].color = new echarts.graphic.LinearGradient(linearGradient[0],linearGradient[1],linearGradient[2],linearGradient[3],linearGradient[4]) } } } cfe.instance[cid].setOption(option, option.notMerge) cfe.instance[cid].on('finished', function(){ that[cid].callMethod('emitMsg',{name:"complete",params:{type:"complete",complete:true,id:cid}}) if(cfe.instance[cid]){ cfe.instance[cid].off('finished') } });
//修复init初始化实例获取宽高不正确问题
if( typeof that[cid].$el.children[0].clientWidth != 'undefined' && ( Math.abs( that[cid].$el.children[0].clientWidth - cfe.instance[cid].getWidth() )>3 || Math.abs( that[cid].$el.children[0].clientHeight - cfe.instance[cid].getHeight() )>3 ) ){this.ecresize();} }, tooltipPosition(){ return (point, params, dom, rect, size) => { let x = point[0] let y = point[1] let viewWidth = size.viewSize[0] let viewHeight = size.viewSize[1] let boxWidth = size.contentSize[0] let boxHeight = size.contentSize[1] let posX = x + 30 let posY = y + 30 if (posX + boxWidth > viewWidth) { posX = x - boxWidth - 30 } if (posY + boxHeight > viewHeight) { posY = y - boxHeight - 30 } return [posX, posY] } }, //==============以下是uCharts的方法====================
ucinit(newVal, oldVal, owner, instance){ if(JSON.stringify(newVal) == JSON.stringify(oldVal)){ return; } if(!newVal.canvasId){ return; } let cid = JSON.parse(JSON.stringify(newVal.canvasId)) this.rid = cid that[cid] = this.$ownerInstance || instance cfu.option[cid] = JSON.parse(JSON.stringify(newVal)) cfu.option[cid] = rdformatterAssign(cfu.option[cid],cfu.formatter) let canvasdom = document.getElementById(cid) if(canvasdom && canvasdom.children[0]){ cfu.option[cid].context = canvasdom.children[0].getContext("2d") if(cfu.instance[cid] && cfu.option[cid] && cfu.option[cid].update === true){ this.updataUChart() }else{ setTimeout(()=>{ cfu.option[cid].context.restore(); cfu.option[cid].context.save(); this.newUChart() },100) } } }, newUChart() { let cid = this.rid cfu.instance[cid] = new uChartsRD(cfu.option[cid]) cfu.instance[cid].addEventListener('renderComplete', () => { that[cid].callMethod('emitMsg',{name:"complete",params:{type:"complete",complete:true,id:cid, opts: cfu.instance[cid].opts}}) cfu.instance[cid].delEventListener('renderComplete') }); cfu.instance[cid].addEventListener('scrollLeft', () => { that[cid].callMethod('emitMsg',{name:"scrollLeft",params:{type:"scrollLeft",scrollLeft:true,id:cid, opts: cfu.instance[cid].opts}}) }); cfu.instance[cid].addEventListener('scrollRight', () => { that[cid].callMethod('emitMsg',{name:"scrollRight",params:{type:"scrollRight",scrollRight:true,id:cid, opts: cfu.instance[cid].opts}}) }); }, updataUChart() { let cid = this.rid cfu.instance[cid].updateData(cfu.option[cid]) }, tooltipDefault(item, category, index, opts) { if (category) { let data = item.data if(typeof item.data === "object"){ data = item.data.value } return category + ' ' + item.name + ':' + data; } else { if (item.properties && item.properties.name) { return item.properties.name ; } else { return item.name + ':' + item.data; } } }, showTooltip(e,cid) { let tc = cfu.option[cid].tooltipCustom if (tc && tc !== undefined && tc !== null) { let offset = undefined; if (tc.x >= 0 && tc.y >= 0) { offset = { x: tc.x, y: tc.y + 10 }; } cfu.instance[cid].showToolTip(e, { index: tc.index, offset: offset, textList: tc.textList, formatter: (item, category, index, opts) => { if (typeof cfu.option[cid].tooltipFormat === 'string' && cfu.formatter[cfu.option[cid].tooltipFormat]) { return cfu.formatter[cfu.option[cid].tooltipFormat](item, category, index, opts); } else { return this.tooltipDefault(item, category, index, opts); } } }); } else { cfu.instance[cid].showToolTip(e, { formatter: (item, category, index, opts) => { if (typeof cfu.option[cid].tooltipFormat === 'string' && cfu.formatter[cfu.option[cid].tooltipFormat]) { return cfu.formatter[cfu.option[cid].tooltipFormat](item, category, index, opts); } else { return this.tooltipDefault(item, category, index, opts); } } }); } }, tap(e) { let cid = this.rid let ontap = cfu.option[cid].ontap let tooltipShow = cfu.option[cid].tooltipShow let tapLegend = cfu.option[cid].tapLegend if(ontap == false) return; let currentIndex=null let legendIndex=null let rchartdom = document.getElementById('UC'+cid).getBoundingClientRect() let tmpe = {} if(e.detail.x){//tap或者click的事件
tmpe = { x: e.detail.x - rchartdom.left, y:e.detail.y - rchartdom.top + rootdom.top} }else{//mouse的事件
tmpe = { x: e.clientX - rchartdom.left, y:e.clientY - rchartdom.top + rootdom.top} } e.changedTouches = []; e.changedTouches.unshift(tmpe) currentIndex=cfu.instance[cid].getCurrentDataIndex(e) legendIndex=cfu.instance[cid].getLegendDataIndex(e) if(tapLegend === true){ cfu.instance[cid].touchLegend(e); } if(tooltipShow==true){ this.showTooltip(e,cid) } that[cid].callMethod('emitMsg',{name:"getIndex",params:{type:"getIndex",event:tmpe,currentIndex:currentIndex,legendIndex:legendIndex,id:cid, opts: cfu.instance[cid].opts}}) }, touchStart(e) { let cid = this.rid let ontouch = cfu.option[cid].ontouch if(ontouch == false) return; if(cfu.option[cid].enableScroll === true && e.touches.length == 1){ cfu.instance[cid].scrollStart(e); } that[cid].callMethod('emitMsg',{name:"getTouchStart",params:{type:"touchStart",event:e.changedTouches[0],id:cid, opts: cfu.instance[cid].opts}}) }, touchMove(e) { let cid = this.rid let ontouch = cfu.option[cid].ontouch if(ontouch == false) return; if(cfu.option[cid].enableScroll === true && e.changedTouches.length == 1){ cfu.instance[cid].scroll(e); } if(cfu.option[cid].ontap === true && cfu.option[cid].enableScroll === false && cfu.option[cid].onmovetip === true){ let rchartdom = document.getElementById('UC'+cid).getBoundingClientRect() let tmpe = { x: e.changedTouches[0].clientX - rchartdom.left, y:e.changedTouches[0].clientY - rchartdom.top + rootdom.top} e.changedTouches.unshift(tmpe) if(cfu.option[cid].tooltipShow === true){ this.showTooltip(e,cid) } } if(ontouch === true && cfu.option[cid].enableScroll === true && cfu.option[cid].onzoom === true && e.changedTouches.length == 2){ cfu.instance[cid].dobuleZoom(e); } that[cid].callMethod('emitMsg',{name:"getTouchMove",params:{type:"touchMove",event:e.changedTouches[0],id:cid, opts: cfu.instance[cid].opts}}) }, touchEnd(e) { let cid = this.rid let ontouch = cfu.option[cid].ontouch if(ontouch == false) return; if(cfu.option[cid].enableScroll === true && e.touches.length == 0){ cfu.instance[cid].scrollEnd(e); } that[cid].callMethod('emitMsg',{name:"getTouchEnd",params:{type:"touchEnd",event:e.changedTouches[0],id:cid, opts: cfu.instance[cid].opts}}) }, mouseDown(e) { let cid = this.rid let onmouse = cfu.option[cid].onmouse if(onmouse == false) return; let rchartdom = document.getElementById('UC'+cid).getBoundingClientRect() let tmpe = {} tmpe = { x: e.clientX - rchartdom.left, y:e.clientY - rchartdom.top + rootdom.top} e.changedTouches = []; e.changedTouches.unshift(tmpe) cfu.instance[cid].scrollStart(e) cfu.option[cid].mousedown=true; that[cid].callMethod('emitMsg',{name:"getTouchStart",params:{type:"mouseDown",event:tmpe,id:cid, opts: cfu.instance[cid].opts}}) }, mouseMove(e) { let cid = this.rid let onmouse = cfu.option[cid].onmouse let tooltipShow = cfu.option[cid].tooltipShow if(onmouse == false) return; let rchartdom = document.getElementById('UC'+cid).getBoundingClientRect() let tmpe = {} tmpe = { x: e.clientX - rchartdom.left, y:e.clientY - rchartdom.top + rootdom.top} e.changedTouches = []; e.changedTouches.unshift(tmpe) if(cfu.option[cid].mousedown){ cfu.instance[cid].scroll(e) that[cid].callMethod('emitMsg',{name:"getTouchMove",params:{type:"mouseMove",event:tmpe,id:cid, opts: cfu.instance[cid].opts}}) }else if(cfu.instance[cid]){ if(tooltipShow==true){ this.showTooltip(e,cid) } } }, mouseUp(e) { let cid = this.rid let onmouse = cfu.option[cid].onmouse if(onmouse == false) return; let rchartdom = document.getElementById('UC'+cid).getBoundingClientRect() let tmpe = {} tmpe = { x: e.clientX - rchartdom.left, y:e.clientY - rchartdom.top + rootdom.top} e.changedTouches = []; e.changedTouches.unshift(tmpe) cfu.instance[cid].scrollEnd(e) cfu.option[cid].mousedown=false; that[cid].callMethod('emitMsg',{name:"getTouchEnd",params:{type:"mouseUp",event:tmpe,id:cid, opts: cfu.instance[cid].opts}}) }, } } </script> <!-- #endif -->
<style scoped> .chartsview { width: 100%; height: 100%; display: flex; flex: 1; justify-content: center; align-items: center; } </style>
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