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本文實例講述了Python實用庫 PrettyTable。分享給大家供大家參考，具體如下：

PrettyTable安裝

使用pip即可十分方便的安裝PrettyTable，如下：

            
pip install PrettyTable

PrettyTable使用示例

github上有PrettyTable的使用說明，鏈接如下：https://github.com/dprince/python-prettytable

以下是具體的使用示例：

            
import prettytable as pt

按行添加數據

            
tb = pt.PrettyTable()
tb.field_names = ["City name", "Area", "Population", "Annual Rainfall"]
tb.add_row(["Adelaide",1295, 1158259, 600.5])
tb.add_row(["Brisbane",5905, 1857594, 1146.4])
tb.add_row(["Darwin", 112, 120900, 1714.7])
tb.add_row(["Hobart", 1357, 205556,619.5])
print(tb)

+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
|? Adelaide | 1295 |? 1158259?? |????? 600.5????? |
|? Brisbane | 5905 |? 1857594?? |????? 1146.4???? |
|?? Darwin? | 112? |?? 120900?? |????? 1714.7???? |
|?? Hobart? | 1357 |?? 205556?? |????? 619.5????? |
+-----------+------+------------+-----------------+

按列添加數據

            
tb.add_column('index',[1,2,3,4])
print(tb)

+-----------+------+------------+-----------------+-------+
| City name | Area | Population | Annual Rainfall | index |
+-----------+------+------------+-----------------+-------+
|? Adelaide | 1295 |? 1158259?? |????? 600.5????? |?? 1?? |
|? Brisbane | 5905 |? 1857594?? |????? 1146.4???? |?? 2?? |
|?? Darwin? | 112? |?? 120900?? |????? 1714.7???? |?? 3?? |
|?? Hobart? | 1357 |?? 205556?? |????? 619.5????? |?? 4?? |
+-----------+------+------------+-----------------+-------+

使用不同的輸出風格

            
tb.set_style(pt.MSWORD_FRIENDLY)
print('--- style：MSWORD_FRIENDLY -----')
print(tb)
tb.set_style(pt.PLAIN_COLUMNS)
print('--- style：PLAIN_COLUMNS -----')
print(tb)

隨機風格，每次不同

            
tb.set_style(pt.RANDOM)
print('--- style：MSWORD_FRIENDLY -----')
print(tb)
tb.set_style(pt.DEFAULT)
print('--- style：DEFAULT -----')
print(tb)

--- style：MSWORD_FRIENDLY -----
| City name | Area | Population | Annual Rainfall |
|? Adelaide | 1295 |? 1158259?? |????? 600.5????? |
|? Brisbane | 5905 |? 1857594?? |????? 1146.4???? |
|?? Darwin? | 112? |?? 120900?? |????? 1714.7???? |
|?? Hobart? | 1357 |?? 205556?? |????? 619.5????? |
--- style：PLAIN_COLUMNS -----
City name??????? Area??????? Population??????? Annual Rainfall???????
?Adelaide??????? 1295???????? 1158259?????????????? 600.5????????????
?Brisbane??????? 5905???????? 1857594?????????????? 1146.4???????????
? Darwin???????? 112?????????? 120900?????????????? 1714.7???????????
? Hobart???????? 1357????????? 205556?????????????? 619.5????????????
--- style：MSWORD_FRIENDLY -----
@??? Adelaide???? 1295???? 1158259???? 600.5 @
@??? Brisbane???? 5905???? 1857594???? 1146.4@
@???? Darwin????? 112?????? 120900???? 1714.7@
@???? Hobart????? 1357????? 205556???? 619.5 @
--- style：DEFAULT -----
+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
|? Adelaide | 1295 |? 1158259?? |????? 600.5????? |
|? Brisbane | 5905 |? 1857594?? |????? 1146.4???? |
|?? Darwin? | 112? |?? 120900?? |????? 1714.7???? |
|?? Hobart? | 1357 |?? 205556?? |????? 619.5????? |
+-----------+------+------------+-----------------+

不打印，獲取表格字符串

            
s = tb.get_string()
print(s)

可以只獲取指定列或行

            
s = tb.get_string(fields=["City name", "Population"],start=1,end=4)
print(s)

+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
|? Adelaide | 1295 |? 1158259?? |????? 600.5????? |
|? Brisbane | 5905 |? 1857594?? |????? 1146.4???? |
|?? Darwin? | 112? |?? 120900?? |????? 1714.7???? |
|?? Hobart? | 1357 |?? 205556?? |????? 619.5????? |
+-----------+------+------------+-----------------+
+-----------+------------+
| City name | Population |
+-----------+------------+
|? Brisbane |? 1857594?? |
|?? Darwin? |?? 120900?? |
|?? Hobart? |?? 205556?? |
+-----------+------------+

自定義表格輸出樣式

設定左對齊

            
tb.align = 'l'

設定數字輸出格式

            
tb.float_format = "2.2"

設定邊框連接符為'*”

            
tb.junction_char = "*"

設定排序方式

            
tb.sortby = "City name"

設定左側不填充空白字符

            
tb.left_padding_width = 0
print(tb)

*----------*-----*-----------*----------------*
|City name |Area |Population |Annual Rainfall |
*----------*-----*-----------*----------------*
|Adelaide? |1295 |1158259??? |600.50????????? |
|Brisbane? |5905 |1857594??? |1146.40???????? |
|Darwin??? |112? |120900???? |1714.70???????? |
|Hobart??? |1357 |205556???? |619.50????????? |
*----------*-----*-----------*----------------*

不顯示邊框

            
tb.border = 0
print(tb)

修改邊框分隔符

            
tb.set_style(pt.DEFAULT)
tb.horizontal_char = '+'
print(tb)

City name Area Population Annual Rainfall
Adelaide? 1295 1158259??? 600.50?????????
Brisbane? 5905 1857594??? 1146.40????????
Darwin??? 112? 120900???? 1714.70????????
Hobart??? 1357 205556???? 619.50?????????
+++++++++++++++++++++++++++++++++++++++++++++++++++
| City name | Area | Population | Annual Rainfall |
+++++++++++++++++++++++++++++++++++++++++++++++++++
| Adelaide? | 1295 | 1158259??? | 600.50????????? |
| Brisbane? | 5905 | 1857594??? | 1146.40???????? |
| Darwin??? | 112? | 120900???? | 1714.70???????? |
| Hobart??? | 1357 | 205556???? | 619.50????????? |
+++++++++++++++++++++++++++++++++++++++++++++++++++

prettytable也支持輸出HTML代碼

            
s = tb.get_html_string()
print(s)

City name	Area	Population	Annual Rainfall
Adelaide	1295	1158259	600.50
Brisbane	5905	1857594	1146.40
Darwin	112	120900	1714.70
Hobart	1357	205556	619.50

使用copy方法復制對象

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

直接賦值，得到的是索引

            
tb.horizontal_char = '-'
tb.aliign = 'l'
tb3 = tb
tb3.align = 'r'
print(tb)
print(tb3)

+...........+......+............+.................+
| City name | Area | Population | Annual Rainfall |
+...........+......+............+.................+
| Adelaide? | 1295 | 1158259??? | 600.50????????? |
| Brisbane? | 5905 | 1857594??? | 1146.40???????? |
| Darwin??? | 112? | 120900???? | 1714.70???????? |
| Hobart??? | 1357 | 205556???? | 619.50????????? |
+...........+......+............+.................+
+...........+......+............+.................+
| City name | Area | Population | Annual Rainfall |
+...........+......+............+.................+
|? Adelaide | 1295 |??? 1158259 |????????? 600.50 |
|? Brisbane | 5905 |??? 1857594 |???????? 1146.40 |
|??? Darwin |? 112 |???? 120900 |???????? 1714.70 |
|??? Hobart | 1357 |???? 205556 |????????? 619.50 |
+...........+......+............+.................+
+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
|? Adelaide | 1295 |??? 1158259 |????????? 600.50 |
|? Brisbane | 5905 |??? 1857594 |???????? 1146.40 |
|??? Darwin |? 112 |???? 120900 |???????? 1714.70 |
|??? Hobart | 1357 |???? 205556 |????????? 619.50 |
+-----------+------+------------+-----------------+
+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
|? Adelaide | 1295 |??? 1158259 |????????? 600.50 |
|? Brisbane | 5905 |??? 1857594 |???????? 1146.40 |
|??? Darwin |? 112 |???? 120900 |???????? 1714.70 |
|??? Hobart | 1357 |???? 205556 |????????? 619.50 |
+-----------+------+------------+-----------------+
---------------------

更多關于Python相關內容感興趣的讀者可查看本站專題：《Python操作Excel表格技巧總結》、《Python文件與目錄操作技巧匯總》、《Python文本文件操作技巧匯總》、《Python數據結構與算法教程》、《Python函數使用技巧總結》、《Python字符串操作技巧匯總》及《Python入門與進階經典教程》

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Python實用庫 PrettyTable 學習筆記