微信小程序图表工具,charts for WeChat small app
基于canvas绘制,体积小巧
持续优化更新中,请保持关注~ 有任何问题欢迎在Issues中讨论
!!微信小程序0.11.122100版本 (2016-12-21)
更新了canvas API
, 目前已切换到最新的API, 请下载最新的IDE开发环境
- 饼图
pie
- 圆环图
ring
- 线图
line
- 柱状图
column
- 区域图
area
代码分析 Here
- 动画性能优化
- add pie chart dataLabel 2016-12-19
- add animation 2016-12-05
- build with
rollup
2016-12-02 - add legend 2016-11-29
1、直接引用编译好的文件 dist/wxcharts.js
2、自行编译
git clone https://github.com/xiaolin3303/wx-charts.git
npm install rollup -g
npm install
rollup -c 或者 rollup --config rollup.config.prod.js
opts
Object
opts.canvasId
String required 微信小程序canvas-id
opts.width
Number required canvas宽度,单位为px
opts.height
Number required canvas高度,单位为px
opts.animation
Boolean default true
是否动画展示
opts.legend
Boolen default true
是否显示图表下方各类别的标识
opts.type
String required 图表类型,可选值为pie
, line
, column
, area
, ring
opts.categories
Array required (饼图、圆环图不需要) 数据类别分类
opts.dataLabel
Boolean default true
是否在图表中显示数据内容值
opts.yAxis
Object Y轴配置
opts.yAxis.format
Function 自定义Y轴文案显示
opts.yAxis.min
Number Y轴起始值
opts.yAxis.title
String Y轴title
opts.series
Array required 数据列表
数据列表每项结构定义
dataItem
Object
dataItem.data
Array required (饼图、圆环图为Number) 数据
dataItem.color
String 例如#7cb5ec
不传入则使用系统默认配色方案
dataItem.name
String 数据名称
dateItem.format
Function 自定义显示数据内容
var wxCharts = require('wxcharts.js');
new wxCharts({
canvasId: 'pieCanvas',
type: 'pie',
series: [{
name: 'cat1',
data: 50,
}, {
name: 'cat2',
data: 30,
}, {
name: 'cat3',
data: 1,
}, {
name: 'cat4',
data: 1,
}, {
name: 'cat5',
data: 46,
}],
width: 360,
height: 300,
dataLabel: true
});
new wxCharts({
canvasId: 'pieCanvas',
type: 'ring',
series: [{
name: '成交量1',
data: 15,
}, {
name: '成交量2',
data: 35,
}, {
name: '成交量3',
data: 78,
}, {
name: '成交量4',
data: 63,
}],
width: 320,
height: 200,
dataLabel: false
});
new wxCharts({
canvasId: 'lineCanvas',
type: 'line',
categories: ['2012', '2013', '2014', '2015', '2016', '2017'],
series: [{
name: '成交量1',
data: [0.15, 0.2, 0.45, 0.37, 0.4, 0.8],
format: function (val) {
return val.toFixed(2) + '万';
}
}, {
name: '成交量2',
data: [0.30, 0.37, 0.65, 0.78, 0.69, 0.94],
format: function (val) {
return val.toFixed(2) + '万';
}
}],
yAxis: {
title: '成交金额 (万元)',
format: function (val) {
return val.toFixed(2);
},
min: 0
},
width: 320,
height: 200
});
new wxCharts({
canvasId: 'columnCanvas',
type: 'column',
categories: ['2012', '2013', '2014', '2015', '2016', '2017'],
series: [{
name: '成交量1',
data: [15, 20, 45, 37, 4, 80]
}, {
name: '成交量2',
data: [70, 40, 65, 100, 34, 18]
}],
yAxis: {
format: function (val) {
return val + '万';
}
},
width: 320,
height: 200
});
new wxCharts({
canvasId: 'areaCanvas',
type: 'area',
categories: ['2016-08', '2016-09', '2016-10', '2016-11', '2016-12', '2017'],
series: [{
name: '成交量1',
data: [70, 40, 65, 100, 34, 18],
format: function (val) {
return val.toFixed(2) + '万';
}
}, {
name: '成交量2',
data: [15, 20, 45, 37, 4, 80],
format: function (val) {
return val.toFixed(2) + '万';
}
}],
yAxis: {
format: function (val) {
return val + '万';
}
},
width: 320,
height: 200
});
- iPhone 6s, IOS 9.3.5
- 小米4, ANDORID 6.0.1
兼容性问题请在Issue中提出