2020-07-28 10:03:53 +08:00
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---
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title: Chart 图表
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2020-07-29 16:20:21 +08:00
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description:
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2020-07-28 10:03:53 +08:00
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type: 0
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group: ⚙ 组件
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menuName: Chart 图标
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2020-07-29 16:20:21 +08:00
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icon:
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2020-07-28 10:03:53 +08:00
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order: 34
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---
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2020-07-29 16:20:21 +08:00
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2020-08-21 13:55:16 +08:00
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图表渲染器，采用 echarts 渲染，配置格式跟 echarts 相同，[echarts 配置文档](https://echarts.apache.org/zh/option.html#title)
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2020-07-28 10:03:53 +08:00
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## 基本用法
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```schema:height="350" scope="body"
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{
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"type": "chart",
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"api": "https://houtai.baidu.com/api/mock2/chart/chart",
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"interval": 5000
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}
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```
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## 配置静态配置项
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通过配置`"config": {}`，可以配置`echarts`配置
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```schema:height="350" scope="body"
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{
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"type": "chart",
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"config": {
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"title": {
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"text": "极坐标双数值轴"
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},
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"legend": {
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"data": [
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"line"
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]
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},
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"polar": {
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"center": [
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"50%",
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"54%"
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]
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},
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"tooltip": {
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"trigger": "axis",
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"axisPointer": {
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"type": "cross"
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}
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},
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"angleAxis": {
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"type": "value",
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"startAngle": 0
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},
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"radiusAxis": {
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"min": 0
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},
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"series": [
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{
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"coordinateSystem": "polar",
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"name": "line",
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"type": "line",
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"showSymbol": false,
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"data": [
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[
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0,
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0
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],
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[
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0.03487823687206265,
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1
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],
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[
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0.06958655048003272,
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2
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],
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[
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0.10395584540887964,
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3
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],
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[
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0.13781867790849958,
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4
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],
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[
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0.17101007166283433,
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5
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],
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[
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0.2033683215379001,
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6
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],
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[
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0.2347357813929454,
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7
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],
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[
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0.26495963211660245,
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8
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],
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[
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0.2938926261462365,
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9
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],
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[
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0.3213938048432697,
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10
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]
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]
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}
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],
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"animationDuration": 2000
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},
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"clickAction": {
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"actionType": "dialog",
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"dialog": {
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"title": "详情",
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"body": [
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{
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"type": "tpl",
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"tpl": "<span>当前选中值 ${value|json}<span>"
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},
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{
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"type": "chart",
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"api": "https://houtai.baidu.com/api/mock2/chart/chart1"
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}
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]
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}
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}
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}
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```
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## 配置图表点击行为
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2020-07-29 16:20:21 +08:00
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可以通过配置`"clickAction": {}`，来指定图表节点的点击行为，支持 amis 的[行为](./action)。
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2020-07-28 10:03:53 +08:00
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> 点击下面坐标中的节点查看效果！
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```schema:height="350" scope="body"
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{
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"type": "chart",
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"config": {
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"title": {
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"text": "极坐标双数值轴"
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},
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"legend": {
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"data": [
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"line"
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]
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},
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"polar": {
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"center": [
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"50%",
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"54%"
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]
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},
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"tooltip": {
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"trigger": "axis",
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"axisPointer": {
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"type": "cross"
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}
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},
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"angleAxis": {
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"type": "value",
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"startAngle": 0
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},
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"radiusAxis": {
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"min": 0
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},
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"series": [
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{
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"coordinateSystem": "polar",
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"name": "line",
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"type": "line",
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"showSymbol": false,
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"data": [
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[
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0,
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0
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],
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[
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0.03487823687206265,
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1
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],
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[
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0.06958655048003272,
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2
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],
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[
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0.10395584540887964,
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3
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],
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[
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0.13781867790849958,
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4
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],
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[
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0.17101007166283433,
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5
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],
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[
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0.2033683215379001,
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6
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],
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[
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0.2347357813929454,
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7
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],
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[
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0.26495963211660245,
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8
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],
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[
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0.2938926261462365,
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9
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],
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[
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0.3213938048432697,
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10
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]
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]
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}
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],
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"animationDuration": 2000
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},
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"clickAction": {
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"actionType": "dialog",
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"dialog": {
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"title": "详情",
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"body": [
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{
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"type": "tpl",
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"tpl": "<span>当前选中值 ${value|json}<span>"
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},
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{
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"type": "chart",
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"api": "https://houtai.baidu.com/api/mock2/chart/chart1"
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}
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]
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}
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}
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}
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```
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## 远程拉取动态配置项
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配置`api`，来远程拉取图标配置
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```schema:height="350" scope="body"
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{
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"type": "chart",
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"api": "https://houtai.baidu.com/api/mock2/chart/chart1"
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}
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```
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## 通过组件间联动，更新图表
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```schema:height="350" scope="body"
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[
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{
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"type": "form",
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"title": "过滤条件",
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"target": "chart1,chart2",
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"submitOnInit": true,
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"className": "m-b",
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"wrapWithPanel": false,
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"mode": "inline",
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"controls": [
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{
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"type": "date",
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"label": "开始日期",
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"name": "starttime",
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"value": "-8days",
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"maxDate": "${endtime}"
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},
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{
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"type": "date",
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"label": "结束日期",
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"name": "endtime",
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"value": "-1days",
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"minDate": "${starttime}"
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},
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{
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"type": "text",
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"label": "条件",
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"name": "name",
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"addOn": {
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"type": "submit",
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"label": "搜索",
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"level": "primary"
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}
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}
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],
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"actions": []
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},
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{
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"type": "divider"
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},
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{
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"type": "grid",
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"className": "m-t-lg",
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"columns": [
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{
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"type": "chart",
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"name": "chart1",
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"initFetch": false,
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"api": "https://houtai.baidu.com/api/mock2/chart/chart?name=$name&starttime=${starttime}&endtime=${endtime}"
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},
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{
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"type": "chart",
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"name": "chart2",
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"initFetch": false,
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"api": "https://houtai.baidu.com/api/mock2/chart/chart2?name=$name"
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}
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]
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}
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]
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```
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## 属性表
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2020-08-03 17:32:33 +08:00
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| 属性名 | 类型 | 默认值 | 说明 |
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| ------------------ | ------------------------------------ | --------- | ------------------------------------------------------------------ |
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| type | `string` | `"chart"` | 指定为 chart 渲染器 |
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| className | `string` | | 外层 Dom 的类名 |
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| body | [SchemaNode](../types/schemanode) | | 内容容器 |
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| api | [api](../types/api) | | 配置项接口地址 |
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| source | [数据映射](../concepts/data-mapping) | | 通过数据映射获取数据链中变量值作为配置 |
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| initFetch | `boolean` | | 组件初始化时，是否请求接口 |
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| interval | `number` | | 刷新时间(最低 3000) |
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2020-08-03 17:34:09 +08:00
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| config | `object` 或 `string` | | 设置 eschars 的配置项,当为`string`的时候可以设置 function 等配置项 |
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2020-08-03 17:32:33 +08:00
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| style | `object` | | 设置根元素的 style |
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| width | `string` | | 设置根元素的宽度 |
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| height | `string` | | 设置根元素的高度 |
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| replaceChartOption | `boolean` | `false` | 每次更新是完全覆盖配置项还是追加？ |
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