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Python生成随机验证码，需要使用PIL模块.python3则是pillow
安装：
基本使用
1. 创建图片
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from
PIL
import
Image
img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
with
open
(
'code.png'
,
'wb'
) as f:
img.save(f,
format
=
'png'
)
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2. 创建画笔，用于在图片上画任意内容
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
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3. 画点
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
draw.point([
100
,
100
], fill
=
"red"
)
draw.point([
300
,
300
], fill
=
(
255
,
255
,
255
))
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4. 画线
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
draw.line((
100
,
100
,
100
,
300
), fill
=
'red'
)
draw.line((
100
,
100
,
300
,
100
), fill
=
(
255
,
255
,
255
))
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5. 画圆
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
draw.arc((
100
,
100
,
300
,
300
),
0
,
90
,fill
=
"red"
)
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6. 写文本
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
draw.text([
0
,
0
],
'python'
,
"red"
)
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7. 特殊字体文字
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img
=
Image.new(mode
=
'RGB'
, size
=
(
120
,
30
), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
font
=
ImageFont.truetype(
"kumo.ttf"
,
28
)
draw.text([
0
,
0
],
'python'
,
"red"
, font
=
font)
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图片验证码
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import
random
def
check_code(width
=
120
, height
=
30
, char_length
=
5
, font_file
=
'kumo.ttf'
, font_size
=
28
):
code
=
[]
img
=
Image.new(mode
=
'RGB'
, size
=
(width, height), color
=
(
255
,
255
,
255
))
draw
=
ImageDraw.Draw(img, mode
=
'RGB'
)
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