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# -*- coding: utf-8 -*-

"""

Created on Wed Mar 14 17:11:15 2018

设置坐标轴label上数字的样式

"""

import matplotlib.pyplot as plt

import numpy as np

# 绘制普通图像

x = np.linspace(-3, 3, 50)

y = 2 * x + 1

plt.figure()

plt.plot(x, y)

# 将上、右边框去掉

ax = plt.gca()

ax.spines['right'].set_color('none')

ax.spines['top'].set_color('none')

# 设置x轴的位置及数据在坐标轴上的位置

ax.xaxis.set_ticks_position('bottom')

ax.spines['bottom'].set_position(('data', 0))

# 设置y轴的位置及数据在坐标轴上的位置

ax.yaxis.set_ticks_position('left')

ax.spines['left'].set_position(('data', 0))

# 设置坐标轴label的大小，背景色等信息

for label in ax.get_xticklabels() + ax.get_yticklabels():

label.set_fontsize(12)

label.set_bbox(dict(facecolor = 'green', edgecolor = 'None', alpha = 0.7))

plt.show()