数据库二进制图片展示到网页上的方式

第一种：python处理，先保存到本地，组成url进行访问

try:
    file_name = "%s.JPEG" % re["zpid"]
    if re["zhaopian"]:
        with open(os.path.join(IMG_DIR, file_name), "wb") as fp:
            fp.write(re["zhaopian"].read())
            server.logger.info("照片保存成功！")
            re["zhaopian"] = "http://%s:%s/image/%s" % (SERVER_HOST,SERVER_PORT,file_name)
    if xczhaopian_re["zhaopian"]:
        with open(os.path.join(IMG_DIR,"xc_"+file_name), "wb") as xcfp:
            xcfp.write(xczhaopian_re["zhaopian"].read())
            server.logger.info("现场照片保存成功！")
            re["xczhaopian"] = "http://%s:%s/image/xc_%s" % (SERVER_HOST,SERVER_PORT,file_name)
except Exception as msg:
    re["zhaopian"] = ""
    re["xczhaopian"] = ""
    print("出错了%s" % str(m