def getcode(request):
# 自己画图片。初始化画笔和画布
mode = 'RGB'
size = (180, 60)
# 调取颜色
red = get_color()
green = get_color()
blue = get_color()
bg_color = (red, green, blue)
# 准备画布
image = Image.new(mode, size, color=bg_color) # 准备画布
draw = ImageDraw(image, mode=mode) # 画笔
# 字体
font = ImageFont.truetype(font=settings.FONT_PATH, size=50)
code = generate_code() # 产生验证码
request.session['code'] = code
# 往画布画验证码
# 取一个，画一个fill填充颜色
for a in range(4):
fill_color = (get_color(), get_color(), get_color())
draw.text(xy=(47 * a, 0), text=code[a], font=font, fill=fill_color)
for a in range(500):
fill_color = (get_color(), get_color(), get_color())
import random
#位置
position = (random.randrange(201), random.randrange(81))
# 画点
draw.point(xy=position, fill=fill_color)
# 字节IO
by = BytesIO()
image.save(by, 'png')
return HttpResponse(by.getvalue(), content_type='image/png')
def get_code(request):
#初始化画步，初始化画笔
mode = "RGB"
size = (200, 100)
red = get_color()
green = get_color()
blue = get_color()
color_bg = (red, green, blue)
image = Image.new(mode=mode, size=size, color=color_bg)
imagedraw = ImageDraw(image, mode=mode)
imagefont = ImageFont.truetype(settings.FONT_PATH, 70)
verify_code = generate_code()
request.session['verify_code'] = verify_code
for i in range(4):
fill = (get_color(), get_color(), get_color())
imagedraw.text(xy=(50 * i, 0),
text=verify_code[i],
font=imagefont,
fill=fill)
for i in range(1000):
fill = (get_color(), get_color(), get_color())
xy = (random.randrange(201), random.randrange(100))
imagedraw.point(xy=xy, fill=fill)
fp = BytesIO()
image.save(fp, 'png')
return HttpResponse(fp.getvalue(), content_type='image/png')
def get_code(request):
mode = 'RGB'
size = (200, 100)
red = get_color()
green = get_color()
blue = get_color()
# 随机画布的背景颜色
color_bg = (red, green, blue)
# 构造画布
image = Image.new(mode=mode, size=size, color=color_bg)
# 初始化画笔
imagedraw =ImageDraw(image, mode=mode)
# 设置字体和字体大小
imagefont = ImageFont.truetype(settings.FONT_PATH, 100)
verify_code = generate_verification_code()
# 通过session记录这个验证码并且设置过期时间为60秒
request.session['verifycode'] = verify_code
request.session.set_expiry(20)
# 随机每个验证码的颜色
for i in range(4):
# 随机颜色
fill = (get_color(),get_color(),get_color())
imagedraw.text(xy=(50*i, 0), text=verify_code[i], font=imagefont,fill=fill)
# 生成验证码图片上的干扰点
for i in range(1000):
# 随机颜色
fill = (get_color(), get_color(), get_color())
# xy的随机坐标和画布的大小size一样 也就是画布整体都加干扰点
xy = (random.randrange(201),random.randrange(100))
imagedraw.point(xy=xy, fill=fill)
# 生成验证码图片上的干扰线
for i in range(5):
# 随机颜色
fill = (get_color(), get_color(), get_color())
# xy的随机坐标和画布的大小size一样 也就是画布整体都加干扰点
x1 = (random.randrange(200))
x2 = (random.randrange(200))
y1 = (random.randrange(100))
y2 = (random.randrange(100))
imagedraw.line(xy=(x1,y1,x2,y2),fill=fill,width=2)
# 内存流
fp = BytesIO()
# 将验证码图片存在内存流中
image.save(fp, 'png')
return HttpResponse(fp.getvalue(), content_type='image/png')
def getcode(request):
# 初始化画布，画笔
mode = 'RGB'
size = (200, 100)
red = get_color()
green = get_color()
blue = get_color()
# 三个 255 背景白色
color_bg = (255, 255, 255)
image = Image.new(mode=mode, size=size, color=color_bg)
imagedraw = ImageDraw(image, mode=mode)
imagefont = ImageFont.truetype(settings.FONT_PASH, 120)
verify_code = generate_code()
# 验证码内容存储到服务器
request.session['verify_code'] = verify_code
for i in range(4):
fill = (get_color(), get_color(), get_color(), get_color())
imagedraw.text(xy=(45 * i, 0),
text=verify_code[i],
font=imagefont,
fill=fill)
for i in range(1000):
fill = (get_color(), get_color(), get_color(), get_color())
xy = (random.randrange(200), random.randrange(100))
imagedraw.point(xy=xy, fill=fill)
# imagedraw.line(xy=xy,fill= blue,width=99)
fp = BytesIO()
image.save(fp, 'png')
return HttpResponse(fp.getvalue(), content_type='image/png')