# 第十三章 边框和水平线条

``````ax1.spines['left'].set_color('c')
``````

``````ax1.spines['right'].set_visible(False)
ax1.spines['top'].set_visible(False)
``````

``````ax1.spines['left'].set_linewidth(5)
``````

``````ax1.tick_params(axis='x', colors='#f06215')
``````

``````ax1.axhline(closep[0], color='k', linewidth=5)
``````

``````import matplotlib.pyplot as plt
import numpy as np
import urllib
import datetime as dt
import matplotlib.dates as mdates

def bytespdate2num(fmt, encoding='utf-8'):
strconverter = mdates.strpdate2num(fmt)
def bytesconverter(b):
s = b.decode(encoding)
return strconverter(s)
return bytesconverter

def graph_data(stock):

fig = plt.figure()
ax1 = plt.subplot2grid((1,1), (0,0))

stock_price_url = 'http://chartapi.finance.yahoo.com/instrument/1.0/'+stock+'/chartdata;type=quote;range=10y/csv'
stock_data = []
split_source = source_code.split('\n')
for line in split_source:
split_line = line.split(',')
if len(split_line) == 6:
if 'values' not in line and 'labels' not in line:
stock_data.append(line)

date, closep, highp, lowp, openp, volume = np.loadtxt(stock_data,
delimiter=',',
unpack=True,
converters={0: bytespdate2num('%Y%m%d')})

ax1.plot_date(date, closep,'-', label='Price')
ax1.plot([],[],linewidth=5, label='loss', color='r',alpha=0.5)
ax1.plot([],[],linewidth=5, label='gain', color='g',alpha=0.5)
ax1.axhline(closep[0], color='k', linewidth=5)
ax1.fill_between(date, closep, closep[0],where=(closep > closep[0]), facecolor='g', alpha=0.5)
ax1.fill_between(date, closep, closep[0],where=(closep < closep[0]), facecolor='r', alpha=0.5)

for label in ax1.xaxis.get_ticklabels():
label.set_rotation(45)
ax1.grid(True)
#ax1.xaxis.label.set_color('c')
#ax1.yaxis.label.set_color('r')
ax1.set_yticks([0,25,50,75])

ax1.spines['left'].set_color('c')
ax1.spines['right'].set_visible(False)
ax1.spines['top'].set_visible(False)
ax1.spines['left'].set_linewidth(5)

ax1.tick_params(axis='x', colors='#f06215')

plt.xlabel('Date')
plt.ylabel('Price')
plt.title(stock)
plt.legend()
plt.subplots_adjust(left=0.09, bottom=0.20, right=0.94, top=0.90, wspace=0.2, hspace=0)
plt.show()

graph_data('ebay')
``````