折线图
from matplotlib import pyplot as plt
x=range(2,13,2)
y=[9,32,14,17,23,7]
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 开始绘制图片
plt.plot(x,y)
# 设置x,y的下标范围
plt.xticks(range(7,20))
plt.yticks(range(min(y),max(y)+1))
# 保存图片
#plt.savefig("./1.png")
# 展示图片,很重要!!!
# 如果不展示图片,会导致程序截图,没有图片显示
plt.show()
是不是觉得绘制pyplot绘制一张图片很简单呀,让我们来看下一个案例。
from matplotlib import pyplot as plt
import random
import matplotlib
from matplotlib import font_manager
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font=font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置数据
x = range(0,120)
y = [ random.randint(20,35) for i in range(120) ]
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 设置x,y的标签名
_xtick_labels=["10点{}".format(i) for i in range(60)]
_xtick_labels+=["11点{}".format(i) for i in range(60)]
# 这边需要进行尝试
# 多次尝试,发现选择45度效果较好,当然也可以90度
plt.xticks(list(x)[::3],_xtick_labels[::3],rotation=45,fontproperties=my_font)
# 设置x,y标签
plt.xlabel("时间",fontproperties=my_font)
plt.ylabel("温度",fontproperties=my_font)
# 设置图片标题
plt.title("10-12点温度变化",fontproperties=my_font)
# 开始绘制
plt.plot(x,y)
#展示图片
plt.show()
from matplotlib import pyplot as plt
from matplotlib import font_manager
# 设置数据
y = [1,0,1,1,2,4,3,2,3,4,4,5,6,5,4,3,3,1,1,1]
x = range(10,30,1)
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font= font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 设置x,y轴下标,以及标签
plt.xticks(x,["{}岁".format(i) for i in x] ,fontproperties=my_font)
plt.xlabel("年龄" , fontproperties=my_font)
plt.yticks(range(0,9))
# 绘制网格
# alpha 透明度(0~1)
plt.grid(alpha=0.1)
# 绘制图片
plt.plot(x,y)
# 展示图片
plt.show()
散点图
from matplotlib import pyplot as plt
from matplotlib import font_manager
# 设置数据
y_3 = [11,17,16,11,12,11,12,6,6,7,8,9,12,15,14,17,18,21,16,17,20,14,15,15,15,19,21,22,22,22,23]
y_10 = [26,26,28,19,21,17,16,19,18,20,20,19,22,23,17,20,21,20,22,15,11,15,5,13,17,10,11,13,12,13,6]
x_3 = range(1,32)
x_10 = range(51,82)
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font=font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 绘制散点图
plt.scatter(x_3,y_3,label="3月")
plt.scatter(x_10,y_10,label="10月")
# 设置x,y轴标签
_x = list(x_3)+list(x_10)
_xtick_labels = ["3月{}日".format(i) for i in x_3]
_xtick_labels += ["10月{}日".format(i-50) for i in x_10]
plt.xticks(_x[::3], _xtick_labels[::3],fontproperties=my_font,rotation=45)
plt.xlabel("时间",fontproperties=my_font)
plt.ylabel("温度",fontproperties=my_font)
# 设置图片标签
plt.title("标题",fontproperties=my_font)
# 设置坐标标识信息
plt.legend(prop=my_font,loc="upper left")
# 展示图片
plt.show()
直方图
from matplotlib import pyplot as plt
from matplotlib import font_manager
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font=font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置数据
a = ["战狼2","速度与激情8\n","功夫瑜伽","西游伏妖篇","变形金刚5\n:最后的骑士","摔跤吧!\n爸爸","加勒比海盗5:\n死无对证","金刚:\n骷髅岛","极限特工:\n终极回归","生化危机6:\n终章","乘风破浪","神偷奶爸3","智取威虎山","大闹天竺","金刚狼3:\n殊死一战","蜘蛛侠:\n英雄归来","悟空传","银河护卫队2","情圣","新木乃伊",]
b=[56.01,26.94,17.53,16.49,15.45,12.96,11.8,11.61,11.28,11.12,10.49,10.3,8.75,7.55,7.32,6.99,6.88,6.86,6.58,6.23]
# 设置图片大小
plt.figure(figsize=(20,15),dpi=80)
# 设置x轴标签
plt.xticks(range(len(a)),a,fontproperties=my_font,rotation=90)
# 绘制直方图
plt.bar(range(len(a)),b,width=0.3)
# 保存图片
# plt.savefig("./page41.png")
# 展示图片
plt.show()
#vertial
from matplotlib import pyplot as plt
from matplotlib import font_manager
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font=font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置数据
a = ["战狼2","速度与激情8\n","功夫瑜伽","西游伏妖篇","变形金刚5\n:最后的骑士","摔跤吧!\n爸爸","加勒比海盗5:\n死无对证","金刚:\n骷髅岛","极限特工:\n终极回归","生化危机6:\n终章","乘风破浪","神偷奶爸3","智取威虎山","大闹天竺","金刚狼3:\n殊死一战","蜘蛛侠:\n英雄归来","悟空传","银河护卫队2","情圣","新木乃伊",]
b=[56.01,26.94,17.53,16.49,15.45,12.96,11.8,11.61,11.28,11.12,10.49,10.3,8.75,7.55,7.32,6.99,6.88,6.86,6.58,6.23]
# 设置图片大小
plt.figure(figsize=(20,15),dpi=80)
# 设置y轴标签
plt.yticks(range(len(a)),a,fontproperties=my_font)
# 绘制网格
plt.grid(alpha=0.3)
# 绘制横直方图
plt.barh(range(len(a)),b,height=0.3,color='cyan')
# 保存图片
# plt.savefig("./page41.png")
# 展示图片
plt.show()
from matplotlib import pyplot as plt
from matplotlib import font_manager
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font=font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置数据
a = ["猩球崛起3:终极之战","敦刻尔克","蜘蛛侠:英雄归来","战狼2"]
b_16 = [15746,312,4497,319]
b_15 = [12357,156,2045,168]
b_14 = [2358,399,2358,362]
# 设置柱状图
bar_width=0.2
# 设置柱状图位置
x_14 = list(range(len(a)))
x_15 = [i+bar_width for i in x_14]
x_16 = [i+bar_width*2 for i in x_14]
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 设置x周标签
plt.xticks(x_15,a,fontproperties=my_font)
# 绘制直方图
plt.bar(x_14,b_14,width=bar_width,label="14日")
plt.bar(x_15,b_15,width=bar_width,label="15日")
plt.bar(x_16,b_16,width=bar_width,label="16日")
# 设置坐标标识信息
plt.legend(loc="upper left",prop=my_font)
# 展示图片
plt.show()
from matplotlib import pyplot as plt
from matplotlib import font_manager
# windows下设置中文字体
# fname的路径要参照自己电脑的路径进行
# mac与其他linux版本请自行查找
my_font = font_manager.FontProperties(fname="C:\Windows\Fonts\simhei.ttf")
# 设置数据
a=[131, 98, 125, 131, 124, 139, 131, 117, 128, 108, 135, 138, 131, 102, 107, 114, 119, 128, 121, 142, 127, 130, 124, 101, 110, 116, 117, 110, 128, 128, 115, 99, 136, 126, 134, 95, 138, 117, 111,78, 132, 124, 113, 150, 110, 117, 86, 95, 144, 105, 126, 130,126, 130, 126, 116, 123, 106, 112, 138, 123, 86, 101, 99, 136,123, 117, 119, 105, 137, 123, 128, 125, 104, 109, 134, 125, 127,105, 120, 107, 129, 116, 108, 132, 103, 136, 118, 102, 120, 114,105, 115, 132, 145, 119, 121, 112, 139, 125, 138, 109, 132, 134,156, 106, 117, 127, 144, 139, 139, 119, 140, 83, 110, 102,123,107, 143, 115, 136, 118, 139, 123, 112, 118, 125, 109, 119, 133,112, 114, 122, 109, 106, 123, 116, 131, 127, 115, 118, 112, 135,115, 146, 137, 116, 103, 144, 83, 123, 111, 110, 111, 100, 154,136, 100, 118, 119, 133, 134, 106, 129, 126, 110, 111, 109, 141,120, 117, 106, 149, 122, 122, 110, 118, 127, 121, 114, 125, 126,114, 140, 103, 130, 141, 117, 106, 114, 121, 114, 133, 137, 92,121, 112, 146, 97, 137, 105, 98, 117, 112, 81, 97, 139, 113,134, 106, 144, 110, 137, 137, 111, 104, 117, 100, 111, 101, 110,105, 129, 137, 112, 120, 113, 133, 112, 83, 94, 146, 133, 101,131, 116, 111, 84, 137, 115, 122, 106, 144, 109, 123, 116, 111,111, 133, 150]
d = 3
# 求出宽度
num_bins = (max(a)-min(a))//d
#print(num_bins)
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 绘制图片
plt.hist(a,num_bins,normed=True)
# 设置x周标签
plt.xticks(range(min(a),max(a)+d,d))
# 设置网格
plt.grid()
# 展示图片
plt.show()
from matplotlib import pyplot as plt
from matplotlib import font_manager
# 设置数据
interval = [0,5,10,15,20,25,30,35,40,45,60,90]
width = [5,5,5,5,5,5,5,5,5,15,30,60]
quantity = [836,2737,3723,3926,3596,1438,3273,642,824,613,215,47]
# print(len(interval),len(width),len(quantity))
# 设置图片大小
plt.figure(figsize=(20,8),dpi=80)
# 设置x轴的度量
_x = [ i - 0.5 for i in range(13) ]
_xtick_laberl = interval + [150]
plt.xticks(_x,_xtick_laberl)
# 绘制图片
plt.grid(alpha=0.1)
plt.bar(range(len(quantity)),quantity,width=1)
plt.show()