def graph_captcha():
text, image =Captcha.gene_graph_captcha()
rds.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
zlcache.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, 'png') # 指定格式为png
out.seek(0) # 把指针指到开始位置
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
zlcache.set(text.lower(), text.lower()) # 存储到memcached
out = BytesIO()
image.save(out, 'png')
out.seek(0) # 将文件指针设置为0
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def get_captcha():
text, image = Captcha.gene_graph_captcha()
memcaches.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
mbcache.set(text.lower(), text.lower())
out = BytesIO() # 二进制流对象
image.save(out, 'png') # 保存在out中
out.seek(0) # 文件流的指针放在0位置
resp = make_response(out.read()) # 读出来
resp.content_type = 'image/png' # 指定数据类型
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
zlcache.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, "png")
out.seek(0)
resp = make_response(out.read())
resp.content_type = "image/png"
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
xcache.set(text.lower(),text.lower()) #图片验证码这里，不好设置一个唯一的key,索性直接也用验证码的值作为key
return resp
def gene_captcha():
text, image = Captcha.gene_graph_captcha()
cms_memcache.set('captcha', text, timeout=600)
print('captcha:', cms_memcache.get('captcha'))
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
#调用得到验证码
text, image = Captcha.gene_graph_captcha()
#bytesIO二进制流
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
captcha, image = Captcha.gene_graph_captcha()
print('图形验证码是：', captcha) # 打印出图形验证码
zlcache.set(captcha.lower(), captcha.lower()) # 把验证码添加到memcached缓存中
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
text,image = Captcha.gene_graph_captcha()
print('本次的图形验证码是：%s' %text)
zlcache.set(text.lower(),text.lower())
out = BytesIO()
image.save(out,'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def capture():
text, image = Captcha.gene_graph_captcha()
# 存入memcache缓存
bbs_cache.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, 'png')
out.seek(0)
respon = make_response(out.read())
respon.content_type = 'imge/png'
return respon
def graph_captcha():
# 获取验证码
text, image = Captcha.gene_graph_captcha()
zlcache.set(text.lower(), text.lower())
# BytesIO: 自截留
out = BytesIO()
image.save(out, 'png')
out.seek(0) # 将指针返回开头，save过后指针位置在最后
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
#获取验证码
text,image=Captcha.gene_graph_captcha()
zlcache.set(text.replace(" ","").lower(),text.replace(" ","").lower()) #text.replece(" ","")去掉空格
#ByteIo：字节流 （必须用二进制流的形式才能在网络上传输） 保存在内存中
out=BytesIO()
image.save(out,'png') #保存的格式是png
out.seek(0) #把文件流的指针放到最开始的位置
resp=make_response(out.read()) #创建response对象
resp.content_type='image/png'#response的数据类型
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
print('存的key为：', text.lower())
cache.set(text.lower(), text.lower())
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
print('取出的值为：', cache.get(text.lower()))
return resp
def graph_captcha():
# 获取验证码
text, image = Captcha.gene_graph_captcha()
zlcache.set('graph_captcha', text)
# BytesIO 自截留,二进制流数据
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
#获取验证码
text, image = Captcha.gene_graph_captcha()
zlcache.set(text.lower(),
text.lower()) #图形验证吗存储到memcached，key和value都是验证码本身并变为小写存储
#字节流
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_capture():
text, image = Captcha.gene_graph_captcha()
temp = json.dumps(''.join(text).lower())
with open('temp.json', 'w') as f:
f.write(temp)
# 验证码图片以二进制形式写入内存，防止图片都放在文件夹中，占用磁盘空间
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def gene_captcha():
text,image = Captcha.gene_graph_captcha()
type = request.args.get('type')
if type:
session[type] = text
print(type,text)
out = BytesIO()
image.save(out,'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
# 获取到生成的验证码的图片
text, image = Captcha.gene_graph_captcha()
# 存储图形验证码到内存
cache.set(text.lower(), text.lower())
# 将图片转换成二进制流的形式，使用make_response包装成浏览器可以识别的图片
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp # 返回一张二进制表示的图片
def image_captcha(request):
text, image = Captcha.gene_graph_captcha()
# 图片是一个流数据，也就是存到一个管道中，不像字符串可以用容器来保存
out = BytesIO() # 创建一个管道
image.save(out, 'png') # 保存图片的流数据
# 读取的时候从0开始，为了防止读不到数据，指针一定要回0
out.seek(0) # 指针回0
# 把图片返回到浏览器上，通过response对象返回
response = HttpResponse(content_type='image/png')
response.write(out.read())
response['Content-length'] = out.tell()
cache.set(text.lower(), text.lower(), 5 * 60)
return response
def graph_captcha():
#调用得到验证码
text, image = Captcha.gene_graph_captcha()
#bytesIO二进制流
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
print('前端生成的图形验证码是', text.lower())
landicache.set(text.lower(), text.lower())
print('后端生成的图形验证码', landicache.get(text.lower()))
return resp
def graph_captcha():
# 获取验证码,在浏览器中不能直接返回image对象,需要转化为二进制流的数据,才能识别
text,image=Captcha.gene_graph_captcha()
zlache.set(text.lower(),text.lower(),timeout=120)
# print(zlache.get(text.lower()))
# BytesIO:自截留
out=BytesIO()
image.save(out,'png')
# 文件流的指针要放到开始的位置
out.seek(0)
resp=make_response(out.read())
resp.content_type='image/png'
return resp
def graph_captcha():
# 获取验证码
text,image=Captcha.gene_graph_captcha()
print('图形验证码:%s'%text)
zlcache.set(text.lower(),text.lower())
# BytesIO:字节流 创建二进制流对象
out=BytesIO()
image.save(out,'png')
# 将文件指针放到最开始位置,方便下面读取.如果指针在最末尾,读取不到文件
out.seek(0)
resp=make_response(out.read())
resp.content_type='image/png'
# resp.content_type='application/octet-stream'
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
out = BytesIO()
# with open("{}.png".format(image),'rb') as f:
# image = f.read()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
# print(resp)
# resp = Response(resp,mimetype="image/png")
# resp.context_type = 'image/png'
resp.headers['Content-Type'] = 'image/jpg'
return resp
def graph_captcha():
"""获取图形验证码"""
# 获取验证码
text, image = Captcha.gene_graph_captcha()
# 存储验证码， 转换为小写
ycache.set(text.lower(), text.lower())
# 字节流
out = BytesIO()
image.save(out, 'png')
# 把文件指针设置到文件开头处，否则下次文件读取的时候无法读取
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
return resp
def graph_captcha():
try:
text, image = Captcha.gene_graph_captcha()
lgcache.redis_set(text.lower(), text.lower())
# BytesIO 字节流
out = BytesIO()
# 把图片保存在字节流中 并制定格式png
image.save(out, 'png')
# 文件流指针
out.seek(0)
resp = make_response(out.read())
resp.content_type = 'image/png'
except:
return graph_captcha()
return resp
def graph_captcha():
text, image = Captcha.gene_graph_captcha()
#存储图形验证码到服务器
zlcache.set(text.lower(),text.lower())
out = BytesIO()
image.save(out, 'png')
out.seek(0)
resp = make_response(out.read())
# print(resp)
# resp = Response(resp,mimetype="image/png")
# resp.context_type = 'image/png'
resp.headers['Content-Type'] = 'image/jpg'
return resp
def graph_captcha():
# 获取图形验证码
text, image = Captcha.gene_graph_captcha()
try:
se = current_app.redis
se.setex('image_code', 60 * 5, text)
except RedisError as e:
print(e)
return 'redis问题'
# bytest 字节流
out = BytesIO() # 图片转成二进制再发送发给浏览器显示
image.save(out, 'png') # 图片保存对象和类型
out.seek(0) # 将文件指针移动到文件首，保存后指针位于末尾
resp = make_response(out.read()) # 将数据读取后添加到response返回
resp.content_type = 'image/png' # 指定文件类型
return resp
def img_captcha(request):
text,image = Captcha.gene_graph_captcha()
# 将生成的验证码数字保存到memcache
dxcache.set(text.lower(),text.lower())
# BytesIO相当于一个管道，用来存放图片的流数据
out = BytesIO()
# 调用image的save方法，将图片保存在ByteIO中，
image.save(out,'png')
# 指针移动到开头
out.seek(0)
# HttpResponse对象
response = HttpResponse(content_type='image/png')
# 将ByteIO对象取出，写入到response里面
response.write(out.read())
response['Content-length'] = out.tell()
return response
def graph_captcha():
try:
text, image = Captcha.gene_graph_captcha()
print('发送的图形验证码：{}'.format(text))
clcache.save_captcha(text.lower(), text)
# 处理图片二进制流的传输
out = BytesIO()
# 把图片保存到字节流中，并指定格式为png
image.save(out, 'png')
# 指定文件流指针,从文件最开始开始读
out.seek(0)
# 将字节流包装到Response对象中,返回前端
resp = make_response(out.read())
resp.content_type = 'image/png'
except:
return graph_captcha()
return resp