下面是 python 使用 numpy+matplotlib 库画股票k线图的完整例子
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# -- coding: utf-8 --
import requests
import numpy as np
from matplotlib import pyplot as plt
from matplotlib import animation
fig = plt.figure(figsize=(8,6), dpi=72,facecolor="white")
axes = plt.subplot(111)
axes.set_title('Shangzheng')
axes.set_xlabel('time')
line, = axes.plot([], [], linewidth=1.5, linestyle='-')
alldata = []
def dapan(code):
url = 'http://hq.sinajs.cn/?list='+code
r = requests.get(url)
data = r.content[21:-3].decode('gbk').encode('utf8').split(',')
alldata.append(data[3])
axes.set_ylim(float(data[5]), float(data[4]))
return alldata
def init():
line.set_data([], [])
return line
def animate(i):
axes.set_xlim(0, i+10)
x = range(i+1)
y = dapan('sh000001')
line.set_data(x, y)
return line
anim=animation.FuncAnimation(fig, animate, init_func=init, frames=10000, interval=5000)
plt.show()
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