Django使用的注意事项

    xiaoxiao2022-07-12  148

    1.如何搭建虚拟环境? 安装虚拟环境的命令 :   sudo pip install virtualenv   sudo pip install virtualenvwrapper 2.安装完虚拟环境后,如果提示找不到mkvirtualenv命令,须配置环境变量:   2.1 创建目录用来存放虚拟环境    mkdir $HOME/.virtualenvs   2.2 打开~/.bashrc文件,并添加如下:     export WORKON_HOME=$HOME/.virtualenvs     source /usr/local/bin/virtualenvwrapper.sh      3.运行     source ~/.bashrc 4.创建虚拟环境的常用两种方式;     4.1  mkvirtualenv venv_name -p python3     4.2. mkvirtualenv --python=/usr/local/python3.5.3/bin/python venv_name 5.djnango自动生成urls文件配置:    5.1 在所用的虚拟环境中,例如django_py3/lib/python3.5/site-packages/django/conf下,将project_template/project_name/urls.py-tpl复制到app_template下即可 HTTP协议向服务器传参有4种途径: 1.URL路径参数

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    # http://127.0.0.1:8000/users/index/2018/beijing

    def index(request,year,city):

        print("city={1},year={0}".format(year,city))

        return HttpResponse("ok")

    2.查询字符串(query string),形如key1=value1&key2=value2:

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    # /qs/?a=1&b=2&a=3

    def qs(request):

        a = request.GET.get('a')

        b = request.GET.get('b')

        alist = request.GET.getlist('a')

        print(a)  # 3

        print(b)  # 2

        print(alist)  # ['1', '3']

        return HttpResponse('OK')

    3.请求体传参:

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    def get_body(request):

        a = request.POST.get('a')

        b = request.POST.get('b')

        alist = request.POST.getlist('a')

        print(a)

        print(b)

        print(alist)

        return HttpResponse('OK')

    4.请求头

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    def get_headers(request):

        print(request.META['CONTENT_TYPE'])

        return HttpResponse('OK')

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