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

 """

 Created on Mon Jul 13 09:55:30 2019

 @author: zhen

 """

 import numpy as np

 import matplotlib.pyplot as plt

 plt.rcParams['font.sans-serif']=['SimHei']   # 用黑体显示中文

 plt.rcParams['axes.unicode_minus']=False     # 正常显示负号

 x = np.array(["稽查","流程","核实","问题","现场","质量","管理","用户","系统","整改"])  # x值取默认值

 y = np.array([136, 216, 186, 192, 132, 122, 111, 110, 161, 86])

 sortIndex = np.argsort(-y) # 倒序，返回排序后各数据的原始下标

 x_sort = x[sortIndex] # 重新进行排序，与y保持初始顺序一致

 y_sort = y[sortIndex] # 重新进行排序，倒序

 #定义函数来显示柱状上的数值

 def autolabel(rects):

     for rect in rects:

         height = rect.get_height()

         plt.text(rect.get_x()+rect.get_width()/2.-0.25, 1.01*height, '%s' % int(height))

 plt.xticks(np.arange(len(x_sort)), x_sort)

 a = plt.bar(np.arange(len(x_sort)),y_sort,color=['r','g','b', 'c', 'm', 'y'])

 autolabel(a)

 plt.title('案例库热词top10')

 plt.ylabel('词频', fontsize=12)

 plt.xlabel('词语', fontsize=12)

 plt.show()