{"id":1233,"date":"2017-08-10T01:39:43","date_gmt":"2017-08-09T17:39:43","guid":{"rendered":"http:\/\/www.yueguangzu.net\/?p=1233"},"modified":"2017-09-09T12:35:58","modified_gmt":"2017-09-09T04:35:58","slug":"django-%e7%9a%84%e6%a8%a1%e6%9d%bf%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.yueguangzu.net\/?p=1233","title":{"rendered":"[Django\u7cfb\u5217]2.Django \u7684\u6a21\u677f\u4f7f\u7528"},"content":{"rendered":"

Django\u53ef\u4ee5\u6e32\u67d3\u6a21\u677f,\u5185\u7f6e5\u79cd\u4f7f\u7528\u6a21\u677f\u7684\u65b9\u6cd5,\u63a5\u4e0b\u6765\u5c06\u5404\u4e2a\u51fb\u7834.<\/span><\/h4>\n

\u65b0\u5efa\u9879\u76eeday04,\u5e76\u65b0\u5efa\u5e94\u7528books.<\/h4>\n
ddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>$<\/span> django<\/span>-<\/span>admin<\/span> startproject<\/span> day04<\/span>\r\nddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>$<\/span> cd<\/span> day04<\/span>\r\nddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>$<\/span> django<\/span>-<\/span>admin<\/span> startapp<\/span> books<\/span>\r\nddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>$<\/span> tree<\/span>\r\n.\r\n\u251c\u2500\u2500<\/span> books<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> admin<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> apps<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> __init__<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> migrations<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u2502<\/span>\u00a0\u00a0 \u2514\u2500\u2500<\/span> __init__<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> models<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> tests<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u2514\u2500\u2500<\/span> views<\/span>.py<\/span>\r\n\u251c\u2500\u2500<\/span> day04<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> __init__<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> settings<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u251c\u2500\u2500<\/span> urls<\/span>.py<\/span>\r\n\u2502<\/span>\u00a0\u00a0 \u2514\u2500\u2500<\/span> wsgi<\/span>.py<\/span>\r\n\u2514\u2500\u2500<\/span> manage<\/span>.py<\/span><\/pre>\n
#\u521d\u59cb\u5316\u4e00\u4e0b\u9879\u76ee<\/span>\r\nvim<\/span> setttings<\/span>.py<\/span>\r\n\u200b\r\nALLOWED_HOSTS<\/span> = ['*'<\/span>]\r\nINSTALLED_APPS<\/span> = [\r\n \u00a0  'django.contrib.admin'<\/span>,\r\n \u00a0  'django.contrib.auth'<\/span>,\r\n \u00a0  'django.contrib.contenttypes'<\/span>,\r\n \u00a0  'django.contrib.sessions'<\/span>,\r\n \u00a0  'django.contrib.messages'<\/span>,\r\n \u00a0  'django.contrib.staticfiles'<\/span>,\r\n \u00a0  'books'<\/span>,\r\n]<\/pre>\n
\u589e\u52a0\u4e00\u4e2a\u8def\u7531,\u6307\u5411\u6211\u4eec\u9700\u8981\u4f7f\u7528\u6a21\u677f\u7684\u89c6\u56fe\u51fd\u6570bookname<\/h5>\n
from<\/span> django<\/span>.conf<\/span>.urls<\/span> import<\/span> url<\/span>\r\nfrom<\/span> django<\/span>.contrib<\/span> import<\/span> admin<\/span>\r\nfrom<\/span> books<\/span> import<\/span> views<\/span> #\u9996\u5148\u5fc5\u987b\u5bfc\u5165views<\/span>\r\nurlpatterns<\/span> = [\r\n \u00a0  url<\/span>(r'^book\/(?<name>\\w+)\/$'<\/span>, views<\/span>.bookname<\/span>),\r\n]<\/pre>\n
\u5199\u4e00\u4e2a\u89c6\u56fe\u51fd\u6570bookname,\u9ed8\u8ba4\u4f20\u5165\u4e00\u4e2a\u53d8\u91cfbn,\u4f5c\u4e3a\u4e66\u540d<\/h5>\n
from<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>\r\n\u200b\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  return<\/span> HttpResponse<\/span>(\"hello books \"<\/span>+<\/span> bn<\/span> +<\/span>\"!\"<\/span>)<\/pre>\n
1.Template\u6a21\u677f\u7684\u4f7f\u7528<\/h4>\n
ddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>\/<\/span>books<\/span>$<\/span> vim<\/span> views<\/span>.py<\/span>\r\n \u00a0  \r\n#-*- coding:utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>\r\nfrom<\/span> django<\/span>.template<\/span> import<\/span> Template<\/span>,Context<\/span> #\u9996\u5148\u9700\u8981\u5bfc\u5165Template,Context\u6a21\u5757<\/span>\r\n\u200b\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  t<\/span>=Template<\/span>(u'<html><body><h1>\u6b22\u8fce\u8fdb\u5165{{book_name}}<\/h1><\/body><\/html>'<\/span>) #\u751f\u6210\u6a21\u677f\u5bf9\u8c61<\/span>\r\n \u00a0 \u00a0 \u00a0  c<\/span>=Context<\/span>({'book_name'<\/span>:bn<\/span>}) #\u751f\u6210\u4e0a\u4e0b\u6587\u5bf9\u8c61,\u8fd9\u91cc,\u5c06\u53d8\u91cf\u4ee5\u5b57\u5178\u7684\u65b9\u5f0f,\u4ea4\u7ed9Context\u5904\u7406<\/span>\r\n \u00a0 \u00a0 \u00a0  html<\/span>=t<\/span>.render<\/span>(c<\/span>) #\u6e32\u67d3\u6a21\u677f<\/span>\r\n \u00a0 \u00a0 \u00a0  return<\/span> HttpResponse<\/span>(html<\/span>) #\u8fd4\u56de\u5df2\u6e32\u67d3\u597d\u7684\u6a21\u677f<\/span><\/pre>\n
<\/span><\/span><\/p>\n
2.get_template\u6a21\u677f\u7684\u4f7f\u7528<\/h4>\n
\u8981\u4f7f\u7528get_template\u6a21\u677f,\u5fc5\u987b\u5148\u5b9a\u4e49\u4e00\u4e2ahtml\u7684\u6a21\u677f,\u653e\u5728\u5e94\u7528\u7684templates\u6587\u4ef6\u5939\u4e0b\u9762,\u4fdd\u5b58\u540d\u4e3aindex.html<\/h5>\n
ddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>\/<\/span>books<\/span>$<\/span> mkdir<\/span> templates<\/span>\r\nddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>\/<\/span>books<\/span>$<\/span> cd<\/span> templates<\/span>\/<\/span>\r\nddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>\/<\/span>books<\/span>\/<\/span>templates<\/span>$<\/span> vim<\/span> index<\/span>.html<\/span>\r\n  <<\/span>\/<\/span>body<\/span>><\/span>\r\n<<\/span>html<\/span>><\/span>\r\n  <<\/span>head<\/span>><\/span>\r\n \u00a0 \u00a0 <<\/span>title<\/span>><\/span>\u4e66\u7c4d\u9605\u89c8<\/span><\/<\/span>title<\/span>><\/span> \u00a0  \r\n  <<\/span>\/<\/span>head<\/span>><\/span>\r\n  <<\/span>body<\/span>><\/span>\r\n\u200b\r\n \u00a0 \u00a0 <<\/span>h1<\/span>><\/span>\u8fd9\u91cc\u662f\u4f7f\u7528\u6a21\u677f<\/span>,\u83b7\u53d6\u5230\u7684\u4e66\u540d\u662f<\/span>:{{book_name<\/span>}}!<\/<\/span>h1<\/span>><\/span> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  \r\n\u200b\r\n  <<\/span>\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
\u6709\u4e86\u6a21\u677f\u6587\u4ef6\u540e,\u5c31\u53ef\u4ee5\u76f4\u63a5\u5bfc\u5165\u4f7f\u7528get_template\u6a21\u5757\u4e86<\/h5>\n
ddc<\/span>@SERVER<\/span>:~\/<\/span>djcode<\/span>\/<\/span>day04<\/span>\/<\/span>books<\/span>$<\/span> vim<\/span> views<\/span>.py<\/span>\r\n#-*- coding:utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>\r\nfrom<\/span> django<\/span>.template<\/span>.loader<\/span> import<\/span> get_template<\/span>\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  t<\/span>=get_template<\/span>('index.html'<\/span>)\r\n \u00a0 \u00a0 \u00a0  html<\/span>=t<\/span>.render<\/span>({'book_name'<\/span>:bn<\/span>})\r\n \u00a0 \u00a0 \u00a0  return<\/span> HttpResponse<\/span>(html<\/span>)<\/pre>\n
<\/span><\/span><\/p>\n
3.render_to_string\u6a21\u677f<\/h4>\n
from<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>\r\nfrom<\/span> django<\/span>.template<\/span>.loader<\/span> import<\/span> render_to_string<\/span> #\u5bfc\u5165render_to_string\u6a21\u5757<\/span>\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  html<\/span>=render_to_string<\/span>('index.html'<\/span>,{'book_name'<\/span>:bn<\/span>}) #\u76f4\u63a5\u4f20\u53c2\u5373\u53ef<\/span>\r\n \u00a0 \u00a0 \u00a0  return<\/span> HttpResponse<\/span>(html<\/span>)<\/pre>\n
<\/span><\/span><\/p>\n
4.render_to_response\u6a21\u5757,\u4f7f\u7528\u8be5\u6a21\u5757,\u5c31\u66f4\u52a0\u7b80\u5355\u4e86<\/h4>\n
#-*- coding:utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>,render_to_response<\/span>\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  return<\/span> render_to_response<\/span>('index.html'<\/span>,{'book_name'<\/span>:bn<\/span>})<\/pre>\n
<\/span><\/span><\/p>\n
5.render\u6a21\u5757<\/h4>\n
#-*- coding:utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>\r\ndef<\/span> bookname<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0 \u00a0 \u00a0  return<\/span> render<\/span>(request<\/span>,'index.html'<\/span>,{'book_name'<\/span>:bn<\/span>})<\/pre>\n
<\/span><\/span><\/p>\n
\u603b\u7ed3:<\/h2>\n
\u7efc\u4e0a\u6240\u8ff0,\u6bd4\u8f83\u503c\u5f97\u63a8\u8350\u7684\u662f\u4f7f\u7528render_to_response\u6a21\u5757\u548crender\u6a21\u5757,\u524d\u8005\u517c\u5bb9\u6027\u66f4\u52a0,\u652f\u6301\u4f20\u5165\u7a7a\u7684\u5bf9\u8c61,\u540e\u8005\u5219\u9700\u8981\u5c06request\u5bf9\u8c61\u4f20\u5165\u4f7f\u7528.\u4e24\u8005\u5747\u53ef\u4ee5\u76f4\u63a5\u6e32\u67d3html\u6a21\u677f\u6587\u4ef6,\u4e0d\u9700\u8981\u989d\u5916\u7684\u6a21\u5757\u627f\u8f7d.\u540c\u65f6\u4f20\u53c2\u4e0d\u5728\u9700\u8981Context,\u76f4\u63a5\u4f20\u5165\u5b57\u5178\u53c2\u6570\u5373\u53ef,\u975e\u5e38\u65b9\u4fbf,\u503c\u5f97\u63a8\u5e7f.<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"
Django\u53ef\u4ee5\u6e32\u67d3\u6a21\u677f,\u5185\u7f6e5\u79cd\u4f7f\u7528\u6a21\u677f\u7684\u65b9\u6cd5,\u63a5\u4e0b\u6765\u5c06\u5404\u4e2a\u51fb\u7834. \u65b0\u5efa\u9879\u76eeday04,\u5e76\u65b0\u5efa\u5e94\u7528books. ddc@SERVER:~\/djcode$ django-admin startproject day04 ddc@SERVER […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[54],"tags":[56,61],"_links":{"self":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1233"}],"collection":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1233"}],"version-history":[{"count":5,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1233\/revisions"}],"predecessor-version":[{"id":1408,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1233\/revisions\/1408"}],"wp:attachment":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1233"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}