django 2.0 urls

path(‘show/page‘,views.do_page), 传人page7,忽略page,取7
path(‘show/‘,views.do_page),取传人的整个字符
path(‘showname/’,views.do_param,{“name”:”luojia”}),

注:参数都要与方法中定义的传参名一样
re_path兼容老版本

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