自学教程：Django如何判断访问来源是PC端还是手机端

# 判断访问来源是pc端还是手机端import redef judge_pc_or_mobile(ua):    """    :param ua: 访问来源头信息中的User-Agent字段内容    :return:    """    factor = ua    is_mobile = False    _long_matches = r'googlebot-mobile|android|avantgo|blackberry|blazer|elaine|hiptop|ip(hone|od)|kindle|midp|mmp' /                    r'|mobile|o2|opera mini|palm( os)?|pda|plucker|pocket|psp|smartphone|symbian|treo|up/.(browser|link)' /                    r'|vodafone|wap|windows ce; (iemobile|ppc)|xiino|maemo|fennec'    _long_matches = re.compile(_long_matches, re.IGNORECASE)    _short_matches = r'1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s/-)|ai(ko|rn)|al(av|ca|co)' /                     r'|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|/-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)' /                     r'|bl(ac|az)|br(e|v)w|bumb|bw/-(n|u)|c55//|capi|ccwa|cdm/-|cell|chtm|cldc|cmd/-|co(mp|nd)|craw' /                     r'|da(it|ll|ng)|dbte|dc/-s|devi|dica|dmob|do(c|p)o|ds(12|/-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8' /                     r'|ez([4-7]0|os|wa|ze)|fetc|fly(/-|_)|g1 u|g560|gene|gf/-5|g/-mo|go(/.w|od)|gr(ad|un)|haie|hcit' /                     r'|hd/-(m|p|t)|hei/-|hi(pt|ta)|hp( i|ip)|hs/-c|ht(c(/-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i/-(20|go|ma)' /                     r'|i230|iac( |/-|//)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji' /                     r'|kgt( |//)|klon|kpt |kwc/-|kyo(c|k)|le(no|xi)|lg( g|//(k|l|u)|50|54|e/-|e//|/-[a-w])|libw|lynx' /                     r'|m1/-w|m3ga|m50//|ma(te|ui|xo)|mc(01|21|ca)|m/-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi' /                     r'|de|do|t(/-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)' /                     r'|10)|ne((c|m)/-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg' /                     r'|pg(13|/-([1-8]|c))|phil|pire|pl(ay|uc)|pn/-2|po(ck|rt|se)|prox|psio|pt/-g|qa/-a|qc(07|12|21' /                     r'|32|60|/-[2-7]|i/-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55//|sa(ge|ma|mm|ms|ny|va)|sc(01|h/-' /                     r'|oo|p/-)|sdk//|se(c(/-|0|1)|47|mc|nd|ri)|sgh/-|shar|sie(/-|m)|sk/-0|sl(45|id)|sm(al|ar|b3|it' /                     r'|t5)|so(ft|ny)|sp(01|h/-|v/-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl/-|tdg/-|tel(i|m)' /                     r'|tim/-|t/-mo|to(pl|sh)|ts(70|m/-|m3|m5)|tx/-9|up(/.b|g1|si)|utst|v400|v750|veri|vi(rg|te)' /                     r'|vk(40|5[0-3]|/-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(/-| )|webc|whit' /                     r'|wi(g |nc|nw)|wmlb|wonu|x700|xda(/-|2|g)|yas/-|your|zeto|zte/-'    _short_matches = re.compile(_short_matches, re.IGNORECASE)    if _long_matches.search(factor) != None:        is_mobile = True    user_agent = factor[0:4]    if _short_matches.search(user_agent) != None:        is_mobile = True    return is_mobile

def index(request):    ua = request.META.get("HTTP_USER_AGENT")    # 通过request.META.get拿到返回的user-agent,最后传递到pc_or_mobile.py中的ua    # 调用pc_or_mobile.py的函数judge_pc_or_mobile开始判断    # 将ua的值传到该函数    # mobile = judge_pc_or_mobile(ua)    if mobile == False:        return HttpResponse('请用手机访问')    else:        return render(request,'index.html')

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