def line_markpoint(x_list, y_line_list, title) -> Line:
line = Line(init_opts=opts.InitOpts())
line.set_colors(['#f00915', '#fdc043', '#1d953f', '#411445'])
line.set_global_opts(title_opts=opts.TitleOpts(title=title))
for x in x_list:
line.add_xaxis(x)
for y in y_line_list:
for k, v in y.items():
line.add_yaxis(k,
v,
is_smooth=True,
markpoint_opts=opts.MarkPointOpts(
data=[opts.MarkPointItem(type_="max")]))
return line
def generate_line_html2(rows, select=None):
line = Line(
opts.InitOpts(height='500px', width='1424px', theme=ThemeType.LIGHT))
x = []
y1 = []
y2 = []
min_y = 10000
max_y = 0
for row in rows:
x.append(row['date'])
mid_price = row['mid_price']
avg_premium = row['avg_premium']
if mid_price > max_y:
max_y = mid_price
elif mid_price < min_y:
min_y = mid_price
y1.append(mid_price)
y2.append(avg_premium)
delta = max_y - min_y
interval = round(delta / 5, 2)
star_up1 = round(min_y + interval * 1, 2)
star_up2 = round(min_y + interval * 2, 2)
star_up3 = round(min_y + interval * 3, 2)
star_up4 = round(min_y + interval * 4, 2)
line.add_xaxis(x)
line.extend_axis(
yaxis=opts.AxisOpts(type_='value',
name='溢价率平均值(%)',
name_rotate=90,
name_gap=55,
name_location='middle',
is_scale=True,
axislabel_opts=opts.LabelOpts(
formatter='{value}%'),
splitline_opts=opts.SplitLineOpts(is_show=False),
axisline_opts=opts.AxisLineOpts(
is_on_zero=False, symbol=['none', 'arrow'])))
line.add_yaxis("价格中位数", y1, yaxis_index=0)
line.add_yaxis("溢价率平均值", y2, yaxis_index=1)
line.set_global_opts(
title_opts=opts.TitleOpts(title="用价格中位数估值",
pos_left='center',
pos_top=-5),
tooltip_opts=opts.TooltipOpts(trigger='axis', ),
legend_opts=opts.LegendOpts(
is_show=True,
pos_top=20,
# pos_bottom=-50,
selected_mode='multiple'),
datazoom_opts={
'start': 0,
'end': 100
},
toolbox_opts=opts.ToolboxOpts(feature={
'dataZoom': {},
}),
xaxis_opts=opts.AxisOpts(
# data=None,
type_='time',
name='时间',
name_gap=30,
is_scale=True,
name_location='middle',
splitline_opts=opts.SplitLineOpts(is_show=False),
# axislabel_opts=opts.LabelOpts(formatter="{value}"), #echarts.format.formatTime('yy-MM-dd', value*1000)
axisline_opts=opts.AxisLineOpts(is_on_zero=False,
symbol=['none', 'arrow'])),
yaxis_opts=opts.AxisOpts(
type_='value',
name='价格中位数(元)',
name_rotate=90,
name_gap=55,
name_location='middle',
is_scale=True,
axislabel_opts=opts.LabelOpts(formatter='{value}元'),
splitline_opts=opts.SplitLineOpts(is_show=False),
axisline_opts=opts.AxisLineOpts(is_on_zero=False,
symbol=['none', 'arrow'])),
visualmap_opts=opts.VisualMapOpts(is_show=True,
type_='color',
pos_top='50',
pos_left='5',
min_=min_y,
max_=max_y,
is_piecewise=True,
split_number=5,
series_index=0,
pieces=[
{
'min': min_y,
'max': star_up1,
'color': '#93CE07',
'label': '★★★★★'
},
{
'min': star_up1,
'max': star_up2,
'color': '#FBDB0F',
'label': '★★★★'
},
{
'min': star_up2,
'max': star_up3,
'color': '#FC7D02',
'label': '★★★'
},
{
'min': star_up3,
'max': star_up4,
'color': '#FD0100',
'label': '★★'
},
{
'min': star_up4,
'max': max_y,
'color': '#AC3B2A',
'label': '★'
},
]),
)
line.set_colors(['lightcoral', 'lightskyblue'])
line.set_series_opts(
symbol='none',
smooth=False,
linestyle_opts=opts.LineStyleOpts(width=2, ),
label_opts=opts.LabelOpts(is_show=False),
markline_opts=opts.MarkLineOpts(
is_silent=True,
symbol='none',
label_opts=opts.LabelOpts(
position='end',
is_show=False,
formatter=JsCode("function (params){return params.name}")),
linestyle_opts=opts.LineStyleOpts(
color='#333',
type_='dashed',
),
data=[
opts.MarkLineItem(y=min_y, name='0%'),
opts.MarkLineItem(y=star_up1, name='20%'),
opts.MarkLineItem(y=star_up2, name='40%'),
opts.MarkLineItem(y=star_up3, name='60%'),
opts.MarkLineItem(y=star_up4, name='80%'),
opts.MarkLineItem(y=max_y, name='100%'),
]),
)
line_html = line.render_embed('template.html', env)
return line_html