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vicanso 2022-06-18 09:17:16 +08:00
parent 5db24de7ed
commit 2067bc0062
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376
README.md
View file

@ -21,34 +21,18 @@ These chart types are supported: `line`, `bar`, `pie`, `radar` or `funnel`.
## Example ## Example
The example is for `golang option` and `echarts option`, more examples can be found in the `./examples/` directory. More examples can be found in the [./examples/](./examples/) directory.
### Line Chart
```go ```go
package main package main
import ( import (
"os" charts "github.com/vicanso/go-charts/v2"
"path/filepath"
charts "github.com/vicanso/go-charts"
) )
func writeFile(file string, buf []byte) error { func main() {
tmpPath := "./tmp"
err := os.MkdirAll(tmpPath, 0700)
if err != nil {
return err
}
file = filepath.Join(tmpPath, file)
err = os.WriteFile(file, buf, 0600)
if err != nil {
return err
}
return nil
}
func chartsRender() ([]byte, error) {
values := [][]float64{ values := [][]float64{
{ {
120, 120,
@ -59,6 +43,18 @@ func chartsRender() ([]byte, error) {
230, 230,
210, 210,
}, },
{
// snip...
},
{
// snip...
},
{
// snip...
},
{
// snip...
},
} }
p, err := charts.LineRender( p, err := charts.LineRender(
values, values,
@ -72,15 +68,323 @@ func chartsRender() ([]byte, error) {
"Sat", "Sat",
"Sun", "Sun",
}), }),
charts.LegendLabelsOptionFunc([]string{
"Email",
"Union Ads",
"Video Ads",
"Direct",
"Search Engine",
}, charts.PositionCenter),
) )
if err != nil { if err != nil {
return nil, err panic(err)
}
return p.Bytes()
} }
func echartsRender() ([]byte, error) { buf, err := p.Bytes()
return charts.RenderEChartsToPNG(`{ if err != nil {
panic(err)
}
// snip...
}
```
### Bar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
},
{
// snip...
},
}
p, err := charts.BarRender(
values,
charts.XAxisDataOptionFunc([]string{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
}),
charts.LegendLabelsOptionFunc([]string{
"Rainfall",
"Evaporation",
}, charts.PositionRight),
charts.MarkLineOptionFunc(0, charts.SeriesMarkDataTypeAverage),
charts.MarkPointOptionFunc(0, charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin),
// custom option func
func(opt *charts.ChartOption) {
opt.SeriesList[1].MarkPoint = charts.NewMarkPoint(
charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin,
)
opt.SeriesList[1].MarkLine = charts.NewMarkLine(
charts.SeriesMarkDataTypeAverage,
)
},
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Horizontal Bar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
18203,
23489,
29034,
104970,
131744,
630230,
},
{
// snip...
},
}
p, err := charts.HorizontalBarRender(
values,
charts.TitleTextOptionFunc("World Population"),
charts.PaddingOptionFunc(charts.Box{
Top: 20,
Right: 40,
Bottom: 20,
Left: 20,
}),
charts.LegendLabelsOptionFunc([]string{
"2011",
"2012",
}),
charts.YAxisDataOptionFunc([]string{
"Brazil",
"Indonesia",
"USA",
"India",
"China",
"World",
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Pie Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := []float64{
1048,
735,
580,
484,
300,
}
p, err := charts.PieRender(
values,
charts.TitleOptionFunc(charts.TitleOption{
Text: "Rainfall vs Evaporation",
Subtext: "Fake Data",
Left: charts.PositionCenter,
}),
charts.PaddingOptionFunc(charts.Box{
Top: 20,
Right: 20,
Bottom: 20,
Left: 20,
}),
charts.LegendOptionFunc(charts.LegendOption{
Orient: charts.OrientVertical,
Data: []string{
"Search Engine",
"Direct",
"Email",
"Union Ads",
"Video Ads",
},
Left: charts.PositionLeft,
}),
charts.PieSeriesShowLabel(),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Radar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
4200,
3000,
20000,
35000,
50000,
18000,
},
{
// snip...
},
}
p, err := charts.RadarRender(
values,
charts.TitleTextOptionFunc("Basic Radar Chart"),
charts.LegendLabelsOptionFunc([]string{
"Allocated Budget",
"Actual Spending",
}),
charts.RadarIndicatorOptionFunc([]string{
"Sales",
"Administration",
"Information Technology",
"Customer Support",
"Development",
"Marketing",
}, []float64{
6500,
16000,
30000,
38000,
52000,
25000,
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Funnel Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := []float64{
100,
80,
60,
40,
20,
}
p, err := charts.FunnelRender(
values,
charts.TitleTextOptionFunc("Funnel"),
charts.LegendLabelsOptionFunc([]string{
"Show",
"Click",
"Visit",
"Inquiry",
"Order",
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### ECharts Render
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
buf, err := charts.RenderEChartsToPNG(`{
"title": { "title": {
"text": "Line" "text": "Line"
}, },
@ -93,25 +397,7 @@ func echartsRender() ([]byte, error) {
} }
] ]
}`) }`)
} // snip...
type Render func() ([]byte, error)
func main() {
m := map[string]Render{
"charts-line.png": chartsRender,
"echarts-line.png": echartsRender,
}
for name, fn := range m {
buf, err := fn()
if err != nil {
panic(err)
}
err = writeFile(name, buf)
if err != nil {
panic(err)
}
}
} }
``` ```

403
README_zh.md
View file

@ -21,53 +21,44 @@
下面的示例为`go-charts`两种方式的参数配置：golang的参数配置、echarts的JSON配置，输出相同的折线图。 下面的示例为`go-charts`两种方式的参数配置：golang的参数配置、echarts的JSON配置，输出相同的折线图。
更多的示例参考：`./examples/`目录 更多的示例参考：[./examples/](./examples/)目录
### Line Chart
```go ```go
package main package main
import ( import (
"os" charts "github.com/vicanso/go-charts/v2"
"path/filepath"
charts "github.com/vicanso/go-charts"
) )
func writeFile(file string, buf []byte) error { func main() {
tmpPath := "./tmp" values := [][]float64{
err := os.MkdirAll(tmpPath, 0700)
if err != nil {
return err
}
file = filepath.Join(tmpPath, file)
err = os.WriteFile(file, buf, 0600)
if err != nil {
return err
}
return nil
}
func chartsRender() ([]byte, error) {
d, err := charts.LineRender([][]float64{
{ {
150, 120,
132,
101,
134,
90,
230, 230,
224, 210,
218,
135,
147,
260,
}, },
{
// snip...
}, },
// output type {
charts.PNGTypeOption(), // snip...
// title },
charts.TitleOptionFunc(charts.TitleOption{ {
Text: "Line", // snip...
}), },
// x axis {
charts.XAxisOptionFunc(charts.NewXAxisOption([]string{ // snip...
},
}
p, err := charts.LineRender(
values,
charts.TitleTextOptionFunc("Line"),
charts.XAxisDataOptionFunc([]string{
"Mon", "Mon",
"Tue", "Tue",
"Wed", "Wed",
@ -75,16 +66,324 @@ func chartsRender() ([]byte, error) {
"Fri", "Fri",
"Sat", "Sat",
"Sun", "Sun",
})), }),
charts.LegendLabelsOptionFunc([]string{
"Email",
"Union Ads",
"Video Ads",
"Direct",
"Search Engine",
}, charts.PositionCenter),
) )
if err != nil { if err != nil {
return nil, err panic(err)
}
return d.Bytes()
} }
func echartsRender() ([]byte, error) { buf, err := p.Bytes()
return charts.RenderEChartsToPNG(`{ if err != nil {
panic(err)
}
// snip...
}
```
### Bar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
},
{
// snip...
},
}
p, err := charts.BarRender(
values,
charts.XAxisDataOptionFunc([]string{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
}),
charts.LegendLabelsOptionFunc([]string{
"Rainfall",
"Evaporation",
}, charts.PositionRight),
charts.MarkLineOptionFunc(0, charts.SeriesMarkDataTypeAverage),
charts.MarkPointOptionFunc(0, charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin),
// custom option func
func(opt *charts.ChartOption) {
opt.SeriesList[1].MarkPoint = charts.NewMarkPoint(
charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin,
)
opt.SeriesList[1].MarkLine = charts.NewMarkLine(
charts.SeriesMarkDataTypeAverage,
)
},
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Horizontal Bar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
18203,
23489,
29034,
104970,
131744,
630230,
},
{
// snip...
},
}
p, err := charts.HorizontalBarRender(
values,
charts.TitleTextOptionFunc("World Population"),
charts.PaddingOptionFunc(charts.Box{
Top: 20,
Right: 40,
Bottom: 20,
Left: 20,
}),
charts.LegendLabelsOptionFunc([]string{
"2011",
"2012",
}),
charts.YAxisDataOptionFunc([]string{
"Brazil",
"Indonesia",
"USA",
"India",
"China",
"World",
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Pie Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := []float64{
1048,
735,
580,
484,
300,
}
p, err := charts.PieRender(
values,
charts.TitleOptionFunc(charts.TitleOption{
Text: "Rainfall vs Evaporation",
Subtext: "Fake Data",
Left: charts.PositionCenter,
}),
charts.PaddingOptionFunc(charts.Box{
Top: 20,
Right: 20,
Bottom: 20,
Left: 20,
}),
charts.LegendOptionFunc(charts.LegendOption{
Orient: charts.OrientVertical,
Data: []string{
"Search Engine",
"Direct",
"Email",
"Union Ads",
"Video Ads",
},
Left: charts.PositionLeft,
}),
charts.PieSeriesShowLabel(),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Radar Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := [][]float64{
{
4200,
3000,
20000,
35000,
50000,
18000,
},
{
// snip...
},
}
p, err := charts.RadarRender(
values,
charts.TitleTextOptionFunc("Basic Radar Chart"),
charts.LegendLabelsOptionFunc([]string{
"Allocated Budget",
"Actual Spending",
}),
charts.RadarIndicatorOptionFunc([]string{
"Sales",
"Administration",
"Information Technology",
"Customer Support",
"Development",
"Marketing",
}, []float64{
6500,
16000,
30000,
38000,
52000,
25000,
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### Funnel Chart
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
values := []float64{
100,
80,
60,
40,
20,
}
p, err := charts.FunnelRender(
values,
charts.TitleTextOptionFunc("Funnel"),
charts.LegendLabelsOptionFunc([]string{
"Show",
"Click",
"Visit",
"Inquiry",
"Order",
}),
)
if err != nil {
panic(err)
}
buf, err := p.Bytes()
if err != nil {
panic(err)
}
// snip...
}
```
### ECharts Render
```go
package main
import (
"github.com/vicanso/go-charts/v2"
)
func main() {
buf, err := charts.RenderEChartsToPNG(`{
"title": { "title": {
"text": "Line" "text": "Line"
}, },
@ -97,25 +396,7 @@ func echartsRender() ([]byte, error) {
} }
] ]
}`) }`)
} // snip...
type Render func() ([]byte, error)
func main() {
m := map[string]Render{
"charts-line.png": chartsRender,
"echarts-line.png": echartsRender,
}
for name, fn := range m {
buf, err := fn()
if err != nil {
panic(err)
}
err = writeFile(name, buf)
if err != nil {
panic(err)
}
}
} }
``` ```

2
examples/bar_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/charts/main.go
View file

@ -5,7 +5,7 @@ import (
"net/http" "net/http"
"strconv" "strconv"
charts "github.com/vicanso/go-charts" charts "github.com/vicanso/go-charts/v2"
) )
var html = `<!DOCTYPE html> var html = `<!DOCTYPE html>

2
examples/chinese/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/funnel_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/horizontal_bar_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/line_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/painter/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
charts "github.com/vicanso/go-charts" charts "github.com/vicanso/go-charts/v2"
"github.com/wcharczuk/go-chart/v2/drawing" "github.com/wcharczuk/go-chart/v2/drawing"
) )

2
examples/pie_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

2
examples/radar_chart/main.go
View file

@ -5,7 +5,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"github.com/vicanso/go-charts" "github.com/vicanso/go-charts/v2"
) )
func writeFile(buf []byte) error { func writeFile(buf []byte) error {

8
go.mod
View file

@ -1,17 +1,17 @@
module github.com/vicanso/go-charts module github.com/vicanso/go-charts/v2
go 1.17 go 1.17
require ( require (
github.com/dustin/go-humanize v1.0.0 github.com/dustin/go-humanize v1.0.0
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
github.com/stretchr/testify v1.7.1 github.com/stretchr/testify v1.7.2
github.com/wcharczuk/go-chart/v2 v2.1.0 github.com/wcharczuk/go-chart/v2 v2.1.0
) )
require ( require (
github.com/davecgh/go-spew v1.1.1 // indirect github.com/davecgh/go-spew v1.1.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect
golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9 // indirect golang.org/x/image v0.0.0-20220617043117-41969df76e82 // indirect
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect gopkg.in/yaml.v3 v3.0.1 // indirect
) )

15
go.sum
View file

@ -8,18 +8,17 @@ github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGw
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY= github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
github.com/wcharczuk/go-chart/v2 v2.1.0 h1:tY2slqVQ6bN+yHSnDYwZebLQFkphK4WNrVwnt7CJZ2I= github.com/wcharczuk/go-chart/v2 v2.1.0 h1:tY2slqVQ6bN+yHSnDYwZebLQFkphK4WNrVwnt7CJZ2I=
github.com/wcharczuk/go-chart/v2 v2.1.0/go.mod h1:yx7MvAVNcP/kN9lKXM/NTce4au4DFN99j6i1OwDclNA= github.com/wcharczuk/go-chart/v2 v2.1.0/go.mod h1:yx7MvAVNcP/kN9lKXM/NTce4au4DFN99j6i1OwDclNA=
golang.org/x/image v0.0.0-20200927104501-e162460cd6b5/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= golang.org/x/image v0.0.0-20200927104501-e162460cd6b5/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9 h1:LRtI4W37N+KFebI/qV0OFiLUv4GLOWeEW5hn/KEJvxE= golang.org/x/image v0.0.0-20220617043117-41969df76e82 h1:KpZB5pUSBvrHltNEdK/tw0xlPeD13M6M6aGP32gKqiw=
golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM= golang.org/x/image v0.0.0-20220617043117-41969df76e82/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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