1.基本折線圖
import? ?pyecharts.options? ?as? ? opts
from? ? pyecharts.charts? ? import? Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y=[100,200,300,400,500,400,300]
line=(
Line()
.set_global_opts(
tooltip_opts=opts.TooltipOpts(is_show=False),
xaxis_opts=opts.AxisOpts(type_="category"),
yaxis_opts=opts.AxisOpts(
type_="value",
axistick_opts=opts.AxisTickOpts(is_show=True),
splitline_opts=opts.SplitLineOpts(is_show=True),
),
)
.add_xaxis(xaxis_data=x)
.add_yaxis(
series_name="基本折線圖",
y_axis=y,
symbol="emptyCircle",
is_symbol_show=True,
label_opts=opts.LabelOpts(is_show=False),
)
)
line.render_notebook()
series_name:圖形名稱
?y_axis:數(shù)據(jù)?
symbol:標(biāo)記的圖形,
pyecharts提供的類型包括'circle','rect','roundRect','triangle','diamond','pin','arrow','none',也可以通過'image://url'設(shè)置為圖片,其中 URL 為圖片的鏈接。is_symbol_show:是否顯示 symbol

2.連接空數(shù)據(jù)(折線圖)
有時(shí)候我們要分析的數(shù)據(jù)存在空缺值,需要進(jìn)行處理才能畫出折線圖
import? ?pyecharts.options? ? as? ?opts
from? ? pyecharts.charts? ?import? ?Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y=[100,200,300,400,None,400,300]
line=(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(
series_name="連接空數(shù)據(jù)(折線圖)",
y_axis=y,
is_connect_nones=True
)
.set_global_opts(title_opts=opts.TitleOpts(title="Line-連接空數(shù)據(jù)"))
)
line.render_notebook()

3.多條折線重疊
import? ? pyecharts.options? ?as? ?opts
from? ? pyecharts.charts? ? import? ?Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y1=[100,200,300,400,100,400,300]
y2=[200,300,200,100,200,300,400]
line=(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(series_name="y1線",y_axis=y1,symbol="arrow",is_symbol_show=True)
.add_yaxis(series_name="y2線",y_axis=y2)
.set_global_opts(title_opts=opts.TitleOpts(title="Line-多折線重疊"))
)
line.render_notebook()

4.平滑曲線折線圖
import? ?pyecharts.options? ?as? ?opts
from? ?pyecharts.charts? ?import? ?Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y1=[100,200,300,400,100,400,300]
y2=[200,300,200,100,200,300,400]
line=(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(series_name="y1線",y_axis=y1,?is_smooth=True)
.add_yaxis(series_name="y2線",y_axis=y2,?is_smooth=True)
.set_global_opts(title_opts=opts.TitleOpts(title="Line-多折線重疊"))
)
line.render_notebook()

is_smooth:平滑曲線標(biāo)志
5.階梯圖
import? ?pyecharts.options? ?as? ?opts
from? ? pyecharts.charts? ?import? ?Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y1=[100,200,300,400,100,400,300]
line=(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(series_name="y1線",y_axis=y1,?is_step=True)
.set_global_opts(title_opts=opts.TitleOpts(title="Line-階梯圖"))
)
line.render_notebook()

is_step:階梯圖參數(shù)
6.變換折線的樣式
import? ?pyecharts.options? ?as? ?opts
from? ?pyecharts.charts? ?import? ?Line
from? ? pyecharts.faker? ?import? ?Faker
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y1=[100,200,300,400,100,400,300]
line?=?(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(
"y1",
y1,
symbol="triangle",
symbol_size=30,
linestyle_opts=opts.LineStyleOpts(color="red",?width=4,?type_="dashed"),
itemstyle_opts=opts.ItemStyleOpts(
border_width=3,?border_color="yellow",?color="blue"
),
)
.set_global_opts(title_opts=opts.TitleOpts(title="Line-ItemStyle"))
)
line.render_notebook()

linestyle_opts:折線樣式配置color設(shè)置顏色,width設(shè)置寬度type設(shè)置類型,有'solid','dashed','dotted'三種類型 itemstyle_opts:圖元樣式配置,border_width設(shè)置描邊寬度,border_color設(shè)置描邊顏色,color設(shè)置紋理填充顏色
7.折線面積圖
import? ?pyecharts.options? as? ?opts
from? ?pyecharts.charts? ?import? ?Line
x=['星期一','星期二','星期三','星期四','星期五','星期七','星期日']
y1=[100,200,300,400,100,400,300]
y2=[200,300,200,100,200,300,400]
line=(
Line()
.add_xaxis(xaxis_data=x)
.add_yaxis(series_name="y1線",y_axis=y1,areastyle_opts=opts.AreaStyleOpts(opacity=0.5))
.add_yaxis(series_name="y2線",y_axis=y2,areastyle_opts=opts.AreaStyleOpts(opacity=0.5))
.set_global_opts(title_opts=opts.TitleOpts(title="Line-多折線重疊"))
)
line.render_notebook()

8.雙橫坐標(biāo)折線圖
import? ? pyecharts.options? ?as? ?opts
from? ? pyecharts.charts? ?import? ?Line
from? ? pyecharts.commons.utils? ?import? ?JsCode
js_formatter?="""function?(params)?{
console.log(params);
return '降水量??'?+ params.value +?(params.seriesData.length ? ':'?+ params.seriesData[0].data :?'');
}"""
line=(
Line()
.add_xaxis(
xaxis_data=[
"2016-1",
"2016-2",
"2016-3",
"2016-4",
"2016-5",
"2016-6",
"2016-7",
"2016-8",
"2016-9",
"2016-10",
"2016-11",
"2016-12",
]
)
.extend_axis(
xaxis_data=[
"2015-1",
"2015-2",
"2015-3",
"2015-4",
"2015-5",
"2015-6",
"2015-7",
"2015-8",
"2015-9",
"2015-10",
"2015-11",
"2015-12",
],
xaxis=opts.AxisOpts(
type_="category",
axistick_opts=opts.AxisTickOpts(is_align_with_label=True),
axisline_opts=opts.AxisLineOpts(
is_on_zero=False,?linestyle_opts=opts.LineStyleOpts(color="#6e9ef1")
),
axispointer_opts=opts.AxisPointerOpts(
is_show=True,?label=opts.LabelOpts(formatter=JsCode(js_formatter))
),
),
)
.add_yaxis(
series_name="2015?降水量",
is_smooth=True,
symbol="emptyCircle",
is_symbol_show=False,
color="#d14a61",
y_axis=[2.6,5.9,9.0,26.4,28.7,70.7,175.6,182.2,48.7,18.8,6.0,2.3],
label_opts=opts.LabelOpts(is_show=False),
linestyle_opts=opts.LineStyleOpts(width=2),
)
.add_yaxis(
series_name="2016?降水量",
is_smooth=True,
symbol="emptyCircle",
is_symbol_show=False,
color="#6e9ef1",
y_axis=[3.9,5.9,11.1,18.7,48.3,69.2,231.6,46.6,55.4,18.4,10.3,0.7],
label_opts=opts.LabelOpts(is_show=False),
linestyle_opts=opts.LineStyleOpts(width=2),
)
.set_global_opts(
legend_opts=opts.LegendOpts(),
tooltip_opts=opts.TooltipOpts(trigger="none",?axis_pointer_type="cross"),
xaxis_opts=opts.AxisOpts(
type_="category",
axistick_opts=opts.AxisTickOpts(is_align_with_label=True),
axisline_opts=opts.AxisLineOpts(
is_on_zero=False,?linestyle_opts=opts.LineStyleOpts(color="#d14a61")
),
axispointer_opts=opts.AxisPointerOpts(
is_show=True,?label=opts.LabelOpts(formatter=JsCode(js_formatter))
),
),
yaxis_opts=opts.AxisOpts(
type_="value",
splitline_opts=opts.SplitLineOpts(
is_show=True,?linestyle_opts=opts.LineStyleOpts(opacity=1)
),
),
)
)
line.render_notebook()

9.用電量隨時(shí)間變化
import? ?pyecharts.options? ?as? ?opts
from? ?pyecharts.charts? ?import? ?Line
x_data?=?["00:00","01:15","02:30","03:45","05:00","06:15","07:30","08:45","10:00","11:15","12:30","13:45","15:00","16:15","17:30","18:45","20:00","21:15","22:30","23:45",]
y_data?=?[300,280,250,260,270,300,550,500,400,390,380,390,400,500,600,750,800,700,600,400,]
line=(
Line()
.add_xaxis(xaxis_data=x_data)
.add_yaxis(
series_name="用電量",
y_axis=y_data,
is_smooth=True,
label_opts=opts.LabelOpts(is_show=False),
linestyle_opts=opts.LineStyleOpts(width=2),
)
.set_global_opts(
title_opts=opts.TitleOpts(title="一天用電量分布",?subtitle="純屬虛構(gòu)"),
tooltip_opts=opts.TooltipOpts(trigger="axis",?axis_pointer_type="cross"),
xaxis_opts=opts.AxisOpts(boundary_gap=False),
yaxis_opts=opts.AxisOpts(
axislabel_opts=opts.LabelOpts(formatter="{value}?W"),
splitline_opts=opts.SplitLineOpts(is_show=True),
),
visualmap_opts=opts.VisualMapOpts(
is_piecewise=True,
dimension=0,
pieces=[
{"lte":6,"color":"green"},
{"gt":6,"lte":8,"color":"red"},
{"gt":8,"lte":14,"color":"yellow"},
{"gt":14,"lte":17,"color":"red"},
{"gt":17,"color":"green"},
],
pos_right=0,
pos_bottom=100
),
)
.set_series_opts(
markarea_opts=opts.MarkAreaOpts(
data=[
opts.MarkAreaItem(name="早高峰",?x=("07:30","10:00")),
opts.MarkAreaItem(name="晚高峰",?x=("17:30","21:15")),
]
)
)
)
line.render_notebook()

這里給大家介紹幾個(gè)關(guān)鍵參數(shù):
①visualmap_opts:視覺映射配置項(xiàng),可以將折線分段并設(shè)置標(biāo)簽(is_piecewise),將不同段設(shè)置顏色(pieces);
②markarea_opts:標(biāo)記區(qū)域配置項(xiàng),data參數(shù)可以設(shè)置標(biāo)記區(qū)域名稱和位置。