python 利用 PrettyTable 美化表格

目录

• 一、安装
• 二、按行设置数据
• 三、按列添加
• 四、输出风格
• 五、获取字符串
• 六、表格样式设置
• 七、输出成HTML
• 八、复制

一、安装

pip install PrettyTable

二、按行设置数据

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])

print(tb)

# +-----------+-----+--------+--------+
# | name | age | height | weight |
# +-----------+-----+--------+--------+
# | autofelix | 25 | 174 | 65 |
# | 大神 | 23 | 164 | 55 |
# | 飞兔小哥 | 27 | 184 | 69.5 |
# +-----------+-----+--------+--------+

三、按列添加

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])
# 按列添加数据
tb.add_column('sex',['男', '女', '男'])

print(tb)

# +-----------+-----+--------+--------+-----+
# | name | age | height | weight | sex |
# +-----------+-----+--------+--------+-----+
# | autofelix | 25 | 174 | 65 | 男 |
# | 大神 | 23 | 164 | 55 | 女 |
# | 飞兔小哥 | 27 | 184 | 69.5 | 男 |
# +-----------+-----+--------+--------+-----+

四、输出风格

• MSWORD_FRIENDLY：MSWORD_FRIENDLY输出风格
• PLAIN_COLUMNS：PLAIN_COLUMNS输出风格
• RANDOM：每次随机输出风格
• DEFAULT：默认输出风格

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])
# 风格
tb.set_style(pt.MSWORD_FRIENDLY)

print(tb)

# | name | age | height | weight |
# | autofelix | 25 | 174 | 65 |
# | 大神 | 23 | 164 | 55 |
# | 飞兔小哥 | 27 | 184 | 69.5 |

五、获取字符串

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])

# 不打印，获取表格字符串
s1 = tb.get_string()
print(s1)

# +-----------+-----+--------+--------+
# | name | age | height | weight |
# +-----------+-----+--------+--------+
# | autofelix | 25 | 174 | 65 |
# | 大神 | 23 | 164 | 55 |
# | 飞兔小哥 | 27 | 184 | 69.5 |
# +-----------+-----+--------+--------+

# 或者可以只获取指定列或行
s2 = tb.get_string(fields=['name', 'age'], start=1, end=4)
print(s2)

# +----------+-----+
# | name | age |
# +----------+-----+
# | 大神 | 23 |
# | 飞兔小哥 | 27 |
# +----------+-----+

六、表格样式设置

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])

# 设定左对齐
tb.align = 'l'
# 设定数字输出格式
tb.float_format = '2.2'
# 设定边框连接符为'*"
tb.junction_char = '*'
# 设定排序方式
tb.sortby = 'age'
# 设定左侧不填充空白字符
tb.left_padding_width = 0
# 不显示边框
# tb.border = 0
# 修改边框分隔符
tb.horizontal_char = '+'

print(tb)

# *++++++++++*++++*+++++++*+++++++*
# |name |age |height |weight |
# *++++++++++*++++*+++++++*+++++++*
# |大神 |23 |164 |55 |
# |autofelix |25 |174 |65 |
# |飞兔小哥 |27 |184 |69.50 |
# *++++++++++*++++*+++++++*+++++++*

七、输出成HTML

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])

# 输出HTML代码
s = tb.get_html_string()
print(s)

# <table>
# <thead>
# <tr>
# <th>name</th>
# <th>age</th>
# <th>height</th>
# <th>weight</th>
# </tr>
# </thead>
# <tbody>
# <tr>
# <td>autofelix</td>
# <td>25</td>
# <td>174</td>
# <td>65</td>
# </tr>
# <tr>
# <td>大神</td>
# <td>23</td>
# <td>164</td>
# <td>55</td>
# </tr>
# <tr>
# <td>飞兔小哥</td>
# <td>27</td>
# <td>184</td>
# <td>69.5</td>
# </tr>
# </tbody>
# </table>

八、复制

import prettytable as pt

# 按行添加数据
tb = pt.PrettyTable()
tb.field_names = ['name', 'age', 'height', 'weight']
tb.add_row(['autofelix', 25, 174, 65])
tb.add_row(['大神', 23, 164, 55])
tb.add_row(['飞兔小哥', 27, 184, 69.5])

tb.horizontal_char = '.'
tb2 = tb.copy()
tb.align = 'l'
tb2.align = 'r'
print(tb)
print(tb2)

# +...........+.....+........+........+
# | name | age | height | weight |
# +...........+.....+........+........+
# | autofelix | 25 | 174 | 65 |
# | 大神 | 23 | 164 | 55 |
# | 飞兔小哥 | 27 | 184 | 69.5 |
# +...........+.....+........+........+

# +...........+.....+........+........+
# | name | age | height | weight |
# +...........+.....+........+........+
# | autofelix | 25 | 174 | 65 |
# | 大神 | 23 | 164 | 55 |
# | 飞兔小哥 | 27 | 184 | 69.5 |
# +...........+.....+........+........+

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