def get_echarts_instance(self, *args, **kwargs):
device_data = models.Device.objects.values('device_type').annotate(count=Count('device_type'))
device_types, counters = fetch(device_data, 'device_type', 'count')
pie = Pie("设备分类", page_title='设备分类', width='100%')
pie.add("设备分类", device_types, counters, is_label_show=True)
battery_lifes = models.Device.objects.values('name', 'battery_life')
names, lifes = fetch(battery_lifes, 'name', 'battery_life')
bar = Bar('设备电量', page_title='设备电量', width='100%')
bar.add("设备电量", names, lifes)
page = Page.from_charts(pie, bar)
return page
def get_echarts_instance(self, *args, **kwargs):
decimal_places = 1
film_datas = FilmLen.objects.all().order_by('id')[:200]
ids = fetch(film_datas.values("id"), "id")
# bar
bar_mix = Bar("Film 長度", page_title='(BarMix)', width='100%')
for i in range(0, 5):
bar_data = fetch(film_datas.values(f"{self.len_map[i]}"), f"{self.len_map[i]}")
bar_mix.add(
f"{self.len_map[i]}",
ids,
list(map(lambda x:round(x, decimal_places), bar_data)),
is_stack=True,
is_datazoom_show=True
)
page = Page.from_charts(bar_mix)
return page
def create_three():
# bar
v1 = [5, 20, 36, 10, 75, 90]
v2 = [10, 25, 8, 60, 20, 80]
bar = Bar("柱状图数据堆叠示例")
bar.add("商家A", CLOTHES, v1, is_stack=True)
bar.add("商家B", CLOTHES, v2, is_stack=True)
# scatter3D
import random
data = [
[random.randint(0, 100),
random.randint(0, 100),
random.randint(0, 100)] for _ in range(80)
]
scatter3d = Scatter3D("3D 散点图示例", width=1200, height=600)
scatter3d.add("", data, is_visualmap=True, visual_range_color=RANGE_COLOR)
return Page.from_charts(bar, scatter3d)
def create_three():
# bar
v1 = [5, 20, 36, 10, 75, 90]
v2 = [10, 25, 8, 60, 20, 80]
bar = Bar("柱状图数据堆叠示例")
bar.add("商家A", CLOTHES, v1, is_stack=True)
bar.add("商家B", CLOTHES, v2, is_stack=True)
# scatter3D
import random
data = [
[random.randint(0, 100),
random.randint(0, 100),
random.randint(0, 100)] for _ in range(80)
]
scatter3d = Scatter3D("3D 散点图示例", width=1200, height=600)
scatter3d.add("", data, is_visualmap=True, visual_range_color=RANGE_COLOR)
return Page.from_charts(bar, scatter3d)
