{"id":1255,"date":"2017-08-16T18:00:44","date_gmt":"2017-08-16T10:00:44","guid":{"rendered":"http:\/\/www.yueguangzu.net\/?p=1255"},"modified":"2017-09-09T12:40:35","modified_gmt":"2017-09-09T04:40:35","slug":"dtl%e7%9a%84%e4%bd%bf%e7%94%a82","status":"publish","type":"post","link":"http:\/\/www.yueguangzu.net\/?p=1255","title":{"rendered":"[Django\u7cfb\u5217]4.DTL\u7684\u4f7f\u75282"},"content":{"rendered":"

DTL\u5373\uff08Django Template Language\uff09<\/span><\/h3>\n

\u521d\u59cb\u5316<\/h2>\n

\u9879\u76ee\u5bf9\u5e94\u76ee\u5f55\u7ed3\u6784:<\/h5>\n

<\/span><\/span><\/p>\n

#views.py<\/span>\r\n# -*- coding: utf-8 -*-<\/span>\r\nfrom<\/span> __future__<\/span> import<\/span> unicode_literals<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>,HttpResponse<\/span>\r\ndef<\/span> hello_book<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0  return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{'books_name'<\/span>:bn<\/span>})\r\ndef<\/span> hello_new_books<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0  return<\/span> render<\/span>(request<\/span>,'hello_new_books.html'<\/span>,{'books_name'<\/span>:bn<\/span>})<\/pre>\n
#urls.py<\/span>\r\n#-*- coding:utf-8 -*-<\/span>\r\nfrom<\/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> dtl2<\/span> import<\/span> views<\/span>\r\nurlpatterns<\/span> = [\r\n \u00a0  url<\/span>(r'^books\/([\\S\\s]+)\/$'<\/span>, views<\/span>.hello_book<\/span>,name<\/span>='books_url'<\/span>),\r\n \u00a0  url<\/span>(r'^new_books\/([\\S\\s]+)\/$'<\/span>, views<\/span>.hello_new_books<\/span>,name<\/span>='new_books_url'<\/span>),\r\n]<\/pre>\n
DTL<\/h2>\n
1.with<\/h3>\n
\u7f13\u5b58\u4e00\u4e2a\u53d8\u91cf,\u4e3a\u53d8\u91cf\u8d77\u4e2a\u522b\u540d,\u7f13\u5b58\u7684\u53d8\u91cf\u4f5c\u7528\u8303\u56f4\uff1a \u76f4\u5230\u9047\u5230{%endwith%}\u7ed3\u675f<\/h4>\n
{% with BN=books_name %}<\/code><\/span>…….{%endwith%}<\/code><\/span><\/span><\/p>\n
1.1\u672c\u4f8b\u5b50\u5c06books_name\u5728with\u7684\u8303\u56f4\u5185,\u7528BN\u66ff\u4ee3<\/h5>\n
#hello_books.html<\/span>\r\n<!<\/span>DOCTYPE<\/span> html<\/span>><\/span>\r\n<<\/span>html<\/span> lang<\/span>=\"en\"<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n \u00a0  <<\/span>meta<\/span> charset<\/span>=\"UTF-8\"<\/span>><\/span>\r\n \u00a0  <<\/span>title<\/span>><\/span>With<\/span>\u7684\u7528\u6cd5<\/span><\/<\/span>title<\/span>><\/span>\r\n \u00a0  <<\/span>style<\/span>><\/span>\r\n \u00a0 \u00a0 \u00a0  .box<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  width<\/span>: 1000<\/span>px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 200<\/span>px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  background<\/span>: palegoldenrod<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0  <\/<\/span>style<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  <<\/span>center<\/span>><<\/span>h1<\/span>><\/span>With<\/span>\u7684\u4f7f\u7528\u65b9\u6cd5<\/span><\/<\/span>h1<\/span>><\/<\/span>center<\/span>><\/span>\r\n \u00a0  {%<\/span> with<\/span> BN<\/span>=books_name<\/span> %<\/span>}\r\n \u00a0 \u00a0 \u00a0  <<\/span>h1<\/span>><\/span>\u8fd9\u662f\u65e7\u7248<\/span> {{ books_name<\/span> }} \u7684\u4e3b\u9875<\/span>!<\/span>(\u4f7f\u7528\u53d8\u91cf\u540d<\/span>:books_name<\/span>)<\/<\/span>h1<\/span>><\/span>\r\n \u00a0 \u00a0 \u00a0  <<\/span>br<\/span>><\/span>\r\n \u00a0 \u00a0 \u00a0  <<\/span>h1<\/span>><<\/span>a<\/span> href<\/span>=\"{% url 'new_books_url' BN %}\"<\/span>><\/span>\u8fd9\u662f\u65b0\u7248<\/span>{{ BN<\/span> }}\u7684\u4e3b\u9875<\/span>(\u4f7f\u7528<\/span>with<\/span>\u5b9a\u4e49\u7684\u53d8\u91cf<\/span>BN<\/span>)<\/<\/span>a<\/span>><\/<\/span>h1<\/span>><\/span>\r\n \u00a0 \u00a0 {<\/span>%<\/span> endwith<\/span> %<\/span>}\r\n<<\/span>div<\/span> class<\/span>=\"box\"<\/span>><\/span>\r\n \u00a0  <<\/span>center<\/span>><<\/span>h1<\/span>><\/span>\u7f51\u9875\u6a21\u677f<\/span>hello_books<\/span>.html<\/span>\u6e90\u4ee3\u7801<\/span><\/<\/span>h1<\/span>><\/<\/span>center<\/span>><\/span>\r\n \u00a0  <<\/span>pre<\/span>><\/span>\r\n \u00a0  &<\/span>lt<\/span>;body<\/span>&<\/span>gt<\/span>;\r\n \u00a0  { %<\/span> with<\/span> BN<\/span>=books_name<\/span> %<\/span> }\r\n \u00a0 \u00a0 \u00a0  &<\/span>lt<\/span>;h1<\/span>&<\/span>gt<\/span>;\u8fd9\u662f\u65e7\u7248<\/span> { { books_name<\/span>  } } \u7684\u4e3b\u9875<\/span>!<\/span>(\u4f7f\u7528\u53d8\u91cf\u540d<\/span>:books_name<\/span>)&<\/span>lt<\/span>;\/<\/span>h1<\/span>&<\/span>gt<\/span>;\r\n \u00a0 \u00a0 \u00a0  &<\/span>lt<\/span>;br<\/span>&<\/span>gt<\/span>;\r\n \u00a0 \u00a0 \u00a0  &<\/span>lt<\/span>;h1<\/span>&<\/span>gt<\/span>;&<\/span>lt<\/span>;a<\/span> href<\/span>=\"{ % url 'new_books_url' BN % }\"<\/span>&<\/span>gt<\/span>;\u8fd9\u662f\u65b0\u7248<\/span>{ { BN<\/span> } }\u7684\u4e3b\u9875<\/span>(\u4f7f\u7528<\/span>with<\/span>\u5b9a\u4e49\u7684\u53d8\u91cf<\/span>BN<\/span>)&<\/span>lt<\/span>;\/<\/span>a<\/span>&<\/span>gt<\/span>;&<\/span>lt<\/span>;\/<\/span>h1<\/span>&<\/span>gt<\/span>;\r\n \u00a0 \u00a0 {<\/span> %<\/span> endwith<\/span> %<\/span> }\r\n&<\/span>lt<\/span>;\/<\/span>body<\/span>&<\/span>gt<\/span>;\r\n<\/<\/span>pre<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
\u6f14\u793a\u6548\u679c<\/h5>\n
<\/span><\/span><\/p>\n
2.auto_escape<\/h3>\n
\u5f00\u542f\u548c\u5173\u95ed\u81ea\u52a8\u8f6c\u4e49<\/h5>\n
{%autoescape off%}=={%\u53d8\u91cf\u540d|safe%}<\/code><\/span><\/span><\/p>\n
3.Request<\/h3>\n
\u4ece\u540e\u53f0\u4f20\u8fc7\u6765\u7684request\u5bf9\u8c61\u4e2d\u83b7\u53d6\u67d0\u79cd\u4fe1\u606f<\/h5>\n
#hello_books.html\r\n<!DOCTYPE html><\/span>\r\n<<\/span>html<\/span> lang<\/span>=\"en\"<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n \u00a0  <<\/span>meta<\/span> charset<\/span>=\"UTF-8\"<\/span>><\/span>\r\n \u00a0  <<\/span>title<\/span>><\/span>request\u7684\u7528\u6cd5<\/<\/span>title<\/span>><\/span>\r\n \u00a0  <<\/span>style<\/span>><\/span>\r\n \u00a0 \u00a0 \u00a0  .box<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  width<\/span>: 1000px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 400px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  margin<\/span>: 200px<\/span> auto<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  background<\/span>: skyblue<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0  <\/<\/span>style<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>div<\/span> class<\/span>=\"box\"<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  <<\/span>center<\/span>><<\/span>h1<\/span>><\/span>request\u7684\u7528\u6cd5<\/<\/span>h1<\/span>><\/<\/span>center<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>request.path: {{ request.path }}<\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>br<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>request.user: {{ request.user }}<\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>br<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>request.GET.urlencode: {{ request.GET.urlencode }}<\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>br<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>request.dasfasdf: {{ request.dasfasdf }}<\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>br<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.\u8fc7\u6ee4\u5668 var|opt<\/h3>\n
\u5bf9\u53d8\u91cf\u8fdb\u884c\u8fc7\u6ee4\u5904\u7406\u3002\u5728\u771f\u6b63\u6e32\u67d3\u51fa\u6765\u4e4b\u524d\uff0c\u8fc7\u6ee4\u5668\u4f1a\u6839\u636e\u6307\u5b9a\u64cd\u4f5c\u5904\u7406\u597d\u53d8\u91cf\uff0c\u7136\u540e\u628a\u5f97\u51fa\u7ed3\u679c\u66ff\u6362\u6389\u539f\u6765\u7684\u53d8\u91cf\u3002<\/span>\r\n\u6ce8\u610f\u4e8b\u9879\uff1a<\/span>\r\n\uff08<\/span>1<\/span>\uff09\u53d8\u91cf\u548c\u8fc7\u6ee4\u5668\u4e2d\u95f4\u4f7f\u7528\u7ba1\u9053\u7b26\u53f7\u201d<\/span>|<\/span>\u201d\u8fdb\u884c\u4f7f\u7528\u3002<\/span>\r\n\uff08<\/span>2<\/span>\uff09\u53ef\u4ee5\u901a\u8fc7\u7ba1\u9053\u7b26\u53f7\u8fdb\u884c\u94fe\u5f0f\u8c03\u7528\uff0c\u6bd4\u5982\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\uff0c\u5148\u628a\u6240\u6709\u5b57\u7b26\u53d8\u6210\u5c0f\u5199\uff0c\u628a\u7b2c\u4e00\u4e2a\u5b57\u7b26\u8f6c\u6362\u6210\u5927\u5199\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/span>\r\n\uff08<\/span>3<\/span>\uff09\u8fc7\u6ee4\u5668\u53ef\u4ee5\u4f7f\u7528\u53c2\u6570\uff0c\u5728\u8fc7\u6ee4\u5668\u540d\u79f0\u540e\u9762\u4f7f\u7528\u5192\u53f7\u201d<\/span>:\u201d\u518d\u52a0\u4e0a\u53c2\u6570\uff0c\u6bd4\u5982\u8981\u628a\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7684\u7a7a\u683c\u53bb\u6389\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528<\/span>cut<\/span>\u8fc7\u6ee4\u5668\uff1a<\/span>\r\n\u200b\r\n\u6ce8\u610f\uff1a\u4f7f\u7528\u53c2\u6570\u7684\u65f6\u5019\uff0c\u5192\u53f7\u548c\u53c2\u6570\u4e4b\u95f4\u4e0d\u80fd\u6709\u4efb\u4f55\u7a7a\u683c\uff0c\u4e00\u5b9a\u8981\u7d27\u6328\u7740\u3002<\/span><\/pre>\n
4.1\u3001 add \uff1a\u5b57\u7b26\u4e32\u76f8\u52a0\uff0c\u6570\u5b57\u76f8\u52a0\uff0c\u5217\u8868\u76f8\u52a0\uff0c\u5982\u679c\u5931\u8d25\uff0c\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002<\/h5>\n
{{books_name|add:\" \u9700\u8981\u62fc\u63a5\u7684\u5185\u5bb9\"}}<\/code><\/span><\/span><\/p>\n
#hello_books.html\r\n<<\/span>h2<\/span>><\/span>add\u7528\u6cd5<\/<\/span>h2<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u4ee3\u7801:{ {books_name|add:\" django\"}}\r\n<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u8fd0\u884c\u6548\u679c:<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>div<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\r\n{{books_name|add:\" django\"}}\r\n \u00a0  <\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.2\u3001default\uff1a\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff0c\u5728\u8fd9\u4e2a\u503c\u88abdjango\u8ba4\u4e3a\u662fFalse\u7684\u65f6\u5019\u4f7f\u7528\u3002\u6bd4\u5982\uff1a\u7a7a\u5b57\u7b26\u4e32\u3001None\u3002\u533a\u522b\u4e8edefault_if_none\uff0c\u8fd9\u4e2a\u53ea\u6709\u5728\u53d8\u91cf\u4e3aNone\u7684\u65f6\u5019\u624d\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002<\/h5>\n
{{books_name|default:\"\u9ed8\u8ba4\u7684\u5185\u5bb9\"}}<\/code><\/span><\/span><\/p>\n
<<\/span>h2<\/span>><\/span>default\u7528\u6cd5<\/<\/span>h2<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u4ee3\u7801:{ {books_name|default:\"\u56e0\u4e3aurl\u6ca1\u6709\u4f20\u4e66\u540d,\u6240\u4ee5\u6211\u8fd9\u91cc\u5c31\u9ed8\u8ba4\u662f\u8fd9\u6bb5\u5e9f\u8bdd\u4e86\"}}\r\n<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u8fd0\u884c\u6548\u679c:<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>div<\/span> style<\/span>=\"background: papayawhip;\"<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\r\n \u00a0 \u00a0 \u00a0  {{books_name|default:\"\u56e0\u4e3aurl\u6ca1\u6709\u4f20\u4e66\u540d,\u6240\u4ee5\u6211\u8fd9\u91cc\u5c31\u9ed8\u8ba4\u662f\u8fd9\u6bb5\u5e9f\u8bdd\u4e86\"}}\r\n\u200b\r\n \u00a0  <\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.3\u3001first<\/code><\/span> \u8fd4\u56de\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u503c<\/h5>\n
last<\/code><\/span> \u8fd4\u56de\u5217\u8868\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u503c\u3002<\/h5>\n
###views.py<\/span>\r\n# -*- coding: utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>\r\ndef<\/span> hello_books<\/span>(request<\/span>, bn<\/span>):\r\n        bn<\/span>=['\u6d6e\u751f'<\/span>,'\u4fa0\u4ed4'<\/span>,'\u6768\u5e06'<\/span>,'\u8001\u66f9'<\/span>,'\u6e23\u6e23'<\/span>]\r\n        return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{\"books_name\"<\/span>:bn<\/span>})<\/pre>\n
#hello_books.html\r\n<<\/span>h2<\/span>><\/span>List\u7528\u6cd5<\/<\/span>h2<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u4ee3\u7801:{ {books_name|first}} \u548c { {books_name|last}}<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u4f20\u5165\u7684\u5217\u8868\u662f:[{{ books_name.0 }},{{ books_name.1 }},{{ books_name.2}},{{ books_name.3 }},{{ books_name.4 }}]<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u8fd0\u884c\u6548\u679c:<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>div<\/span> style<\/span>=\"background: papayawhip;\"<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\u5217\u8868\u7b2c\u4e00\u4e2a:\r\n \u00a0 \u00a0 \u00a0 {{ books_name|first }}\r\n \u00a0 \u00a0 \u00a0  \u5217\u8868\u6700\u540e\u4e00\u4e2a:\r\n \u00a0 \u00a0 \u00a0 {{ books_name|last }}\r\n \u00a0  <\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.4\u3001date<\/code><\/span> \u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4<\/h5>\n
time<\/code><\/span> \u683c\u5f0f\u5316\u65f6\u95f4<\/h5>\n
###views.py\u4fee\u6539\u540e\u53f0,\u4f20\u5165\u4e00\u4e2a\u65f6\u95f4\/\u65e5\u671f<\/span>\r\n# -*- coding: utf-8 -*-<\/span>\r\nfrom<\/span> __future__<\/span> import<\/span> unicode_literals<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>\r\nimport<\/span> datetime<\/span>\r\ndef<\/span> hello_books<\/span>(request<\/span>, bn<\/span>):\r\n        bn<\/span>=datetime<\/span>.datetime<\/span>.now<\/span>()\r\n        return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{\"books_name\"<\/span>:bn<\/span>})<\/pre>\n
#hello_books.html\u76f8\u5e94\u7684\u6539\u52a8\u524d\u7aef\r\n<<\/span>h2<\/span>><\/span>date,time\u7528\u6cd5<\/<\/span>h2<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u65e5\u671fdate:{ {books_name|date:\"Y-m-d\"}} <\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u65f6\u95f4time: { {books_name|time:\"H:i:s\"}}<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u65e5\u671f+\u65f6\u95f4date:{ { books_name|date:\"Y-m-d H:i:s\" }}<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u8fd0\u884c\u6548\u679c:<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>div<\/span> style<\/span>=\"background: papayawhip;\"<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\u8fd9\u662f\u65e5\u671f\u683c\u5f0f:{{ books_name|date:\"Y-m-d\" }} <\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span> \u8fd9\u662f\u65f6\u95f4\u683c\u5f0f:{{ books_name|time:\"H:i:s\" }} <\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\u8fd9\u662f\u65e5\u671f+\u65f6\u95f4\u683c\u5f0f:{{ books_name|date:\"Y-m-d H:i:s\" }} <\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.5\u3001join<\/code><\/span> \u8ddfpython\u4e2d\u7684join\u4e00\u6837\u7684\u7528\u6cd5\u3002<\/h5>\n
length<\/code><\/span> \u8fd4\u56de\u5b57\u7b26\u4e32\u6216\u8005\u662f\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/h5>\n
# -*- coding: utf-8 -*-<\/span>\r\nfrom<\/span> __future__<\/span> import<\/span> unicode_literals<\/span>\r\ndef<\/span> hello_books<\/span>(request<\/span>, bn<\/span>):\r\n        bn<\/span>='\u5176\u751f\u82e5\u6d6e,\u5176\u6b7b\u82e5\u4f11!'<\/span>\r\n        return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{\"books_name\"<\/span>:bn<\/span>})<\/pre>\n
<<\/span>h2<\/span>><\/span>join,length,truncatechars\u7528\u6cd5<\/<\/span>h2<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>join\u7528\u6cd5:{ {books_name|join:\"\/\/\"}} <\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>length\u7528\u6cd5:{ { books_name|length }}<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>truncatechars\u7528\u6cd5:{ { books_name|truncatechars:9 }}<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>h3<\/span>><\/span>\u8fd0\u884c\u6548\u679c:<\/<\/span>h3<\/span>><\/span>\r\n<<\/span>div<\/span> style<\/span>=\"background: papayawhip;\"<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>join\u7528\u6cd5:{{books_name|join:\"\/\/\"}} <\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>length\u7528\u6cd5:{{ books_name|length}} <\/<\/span>h1<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>truncatecharsh\u7528\u6cd5:{{ books_name|truncatechars:9 }} <\/<\/span>h1<\/span>><\/span>\r\n\u200b\r\n\u200b\r\n<\/<\/span>div<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
5.Template \u7ee7\u627f\u4e0e\u5f15\u7528<\/h4>\n
\u7ee7\u627f\uff1a<\/span>\r\n\u6a21\u677f\u7ee7\u627f\u4f7f\u7528<\/span>extends<\/span>\u6807\u7b7e\u5b9e\u73b0\u3002\u901a\u8fc7\u4f7f\u7528<\/span>block<\/span>\u6765\u7ed9\u5b50\u6a21\u677f\u5f00\u653e\u63a5\u53e3\u3002<\/span>\r\n1<\/span>\u3001<\/span>extends<\/span>\u5fc5\u987b\u662f\u6a21\u677f\u4e2d\u7684\u7b2c\u4e00\u4e2a\u51fa\u73b0\u7684\u6807\u7b7e\u3002<\/span>\r\n2<\/span>\u3001\u5b50\u6a21\u677f\u4e2d\u7684\u6240\u6709\u5185\u5bb9\uff0c\u5fc5\u987b\u51fa\u73b0\u5728\u7236\u6a21\u677f\u5b9a\u4e49\u597d\u7684<\/span>block<\/span>\u4e2d\uff0c\u5426\u5219<\/span>django<\/span>\u5c06\u4e0d\u4f1a\u6e32\u67d3\u3002<\/span>\r\n3<\/span>\u3001\u5982\u679c\u51fa\u73b0\u91cd\u590d\u4ee3\u7801\uff0c\u5c31\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u6a21\u677f\u3002<\/span>\r\n4<\/span>\u3001\u5c3d\u53ef\u80fd\u591a\u7684\u5b9a\u4e49<\/span>block<\/span>\uff0c\u65b9\u4fbf\u5b50\u6a21\u677f\u5b9e\u73b0\u66f4\u7ec6\u7684\u9700\u6c42\u3002<\/span>\r\n5<\/span>\u3001\u5982\u679c\u5728\u67d0\u4e2a<\/span>block<\/span>\u4e2d\uff0c\u8981\u4f7f\u7528\u7236\u6a21\u677f\u7684\u5185\u5bb9\uff0c\u4f7f\u7528<\/span>block<\/span>.super<\/span>\u83b7\u53d6\u3002<\/span><\/pre>\n
\u683c\u5f0f<\/h5>\n
{%<\/span>extends<\/span> \u2018<\/span>base<\/span>.<\/span>html<\/span>\u2019<\/span>%}<\/span>\r\n{%<\/span>block<\/span> title<\/span>%}<\/span>xxx{%<\/span>endblock<\/span>%}<\/span>\r\n{%<\/span>block<\/span> content<\/span> %}<\/span>\r\nxxx\r\n{%<\/span>endblock<\/span>%}<\/span><\/pre>\n
5.1\u9996\u5148\u5148\u51c6\u5907\u4e00\u4e2abase.html,\u4f5c\u4e3a\u7236\u8f88\u9875,\u91cc\u9762\u5b9a\u4e493\u4e2ablock\u53d8\u91cf:title,content\u548cdemo,\u8fd9\u4e09\u4e2a\u53d8\u91cf\u5c06\u4f5c\u4e3a\u6700\u539f\u59cb\u7684\u53d8\u91cf<\/h5>\n
#base.html<\/span>\r\n<<\/span>html<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n<<\/span>title<\/span>><\/span>{%<\/span> block<\/span> title<\/span> %<\/span>}\u6b22\u8fce\u5149\u4e34<\/span>base<\/span>\u4e3b\u9875<\/span>{%<\/span> endblock<\/span> %<\/span>}<\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\r\n{%<\/span> block<\/span> content<\/span> %<\/span>}\r\n\u8fd9\u662f<\/span>base<\/span>.html<\/span>\u7684\u5185\u5bb9<\/span>content<\/span>\r\n{%<\/span> endblock<\/span> %<\/span>}\r\n<\/<\/span>h1<\/span>><\/span>\r\n <<\/span>h1<\/span>><\/span>{{ books_name<\/span> }}<\/<\/span>h1<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\r\n{%<\/span> block<\/span> demo<\/span> %<\/span>}\r\n\u8fd9\u662f<\/span>base<\/span>.html<\/span>\u7684\u5185\u5bb9<\/span>demo<\/span>\r\n<\/<\/span>h1<\/span>><\/span>\r\n{%<\/span> endblock<\/span> %<\/span>}\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
5.2\u7136\u540e\u5b9a\u4e49\u4e00\u4e2a\u5b50\u8f88\u7684\u9875\u9762hello_books.html\u7684\u5b50\u9875\u9762,\u6700\u4e0a\u9762\u5fc5\u987b\u5148\u4f7f\u7528<\/h5>\n
{% extends \"base.html\" %}<\/code><\/span><\/span><\/p>\n
\u5f15\u7528\u7236\u8f88\u9875\u9762\u7684\u53d8\u91cftitle<\/code><\/span> ,content<\/code><\/span> \u548cdemo<\/code><\/span><\/h5>\n
#views.py<\/span>\r\n# -*- coding: utf-8 -*-<\/span>\r\nfrom<\/span> django<\/span>.shortcuts<\/span> import<\/span> render<\/span>\r\ndef<\/span> hello_books<\/span>(request<\/span>, bn<\/span>):\r\n        return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{\"books_name\"<\/span>:bn<\/span>})<\/pre>\n
#hello_books.html\r\n{%<\/span> extends<\/span> \"base.html\"<\/span> %}<\/span>\r\n<<\/span>html<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n{{<\/span> title<\/span> }}<\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n{{<\/span> content<\/span> }}<\/span>\r\n{{<\/span> demo<\/span> }}<\/span>\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
5.3\u8fd9\u6837\u6211\u4eechttp:\/\/127.0.0.1\/books\/yangfan\/<\/a><\/span>\u8bbf\u95ee\u5b50\u9875\u9762hello_books.html<\/code><\/span> \u65f6,\u76f4\u63a5\u8bbf\u95eetitle<\/code><\/span> \u8fd9\u4e2a\u53d8\u91cf,\u5c31\u7ee7\u627fbase.html<\/code><\/span> \u5b9a\u4e49\u7684\u53d8\u91cftitle<\/code><\/span><\/h5>\n
<\/span><\/span><\/p>\n
6.\u5f15\u7528:<\/h4>\n
include<\/code><\/span> \u6807\u7b7e\u53ef\u4ee5\u5305\u542b\u4e00\u4e2ahtml\u6a21\u677f\u5230\u5f53\u524d\u6a21\u677f\u4e2d\u3002\u548c\u7ee7\u627f\u4e0d\u540c\uff0cinclude\u662f\u628ahtml\u6a21\u677f\u5728\u6b64\u5904\u5c55\u5f00\u3002<\/h5>\n
{%<\/span> include<\/span> 'nav.html'<\/span>%}<\/span><\/pre>\n
6.1\u5b9a\u4e49\u4e00\u4e2a\u5bfc\u822a\u9875\u9762nav.html<\/code><\/span><\/h5>\n
#nav.html\r\n<<\/span>html<\/span>><\/span>\r\n <<\/span>head<\/span>><\/span>\r\n \u8fd9\u662f\u5bfc\u822a\u680f\r\n <\/<\/span>head<\/span>><\/span>\r\n  <<\/span>body<\/span>><\/span>\r\n \u00a0  <<\/span>br<\/span>><\/span>\r\n  <\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
6.2\u653e{% include 'nav.html' %}<\/code><\/span>\u5230\u7236\u7c7b\u6a21\u677fbase.html<\/code><\/span>\u7684\u5f00\u5934<\/h5>\n
#base.html\r\n{% include 'nav.html' %}\r\n<<\/span>html<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n<<\/span>title<\/span>><\/span>{% block title %}\u6b22\u8fce\u5149\u4e34base\u4e3b\u9875{% endblock %}<\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\r\n{% block content %}\r\n\u8fd9\u662fbase.html\u7684\u5185\u5bb9content\r\n{% endblock %}\r\n<\/<\/span>h1<\/span>><\/span>\r\n <<\/span>h1<\/span>><\/span>{{ books_name }}<\/<\/span>h1<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\r\n{% block demo %}\r\n\u8fd9\u662fbase.html\u7684\u5185\u5bb9demo\r\n<\/<\/span>h1<\/span>><\/span>\r\n{% endblock %}\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
\u4f5c\u4e1a:<\/h2>\n
1<\/span>,\u201c<\/span>this<\/span> is<\/span> a<\/span> pig<\/span>\u201d<\/span> , \u5355\u8bcd\u9006\u5e8f<\/span>-<\/span>\u300b<\/span> \"pig a is this\"<\/span>;\r\n2<\/span>, \u5728\u6574\u578b\u6570\u7ec4\u91cc\u627e\u5230\u5355\u72ec\u7684\u6570\uff0c\u5176\u4ed6\u6570\u90fd\u662f\u914d\u5bf9\u7684<\/span>;\r\n3<\/span>,\u6d4f\u89c8\u5668\u8f93\u5165<\/span> \uff1a<\/span>http<\/span>:\/\/<\/span>127.0.0.1<\/span>:8000<\/span>\/<\/span>add<\/span>\/<\/span>10<\/span>\/<\/span>20<\/span>\r\n    \u9875\u9762\u8fd4\u56de\u7ed3\u679c\uff1a<\/span>30<\/span>\r\n4<\/span>,\u6d4f\u89c8\u5668\u8f93\u5165<\/span> \uff1a<\/span>http<\/span>:\/\/<\/span>127.0.0.1<\/span>:8000<\/span>\/<\/span>add<\/span>\/<\/span>?<\/span>a<\/span>=10<\/span>&<\/span>b<\/span>=20<\/span>\r\n    \u9875\u9762\u8fd4\u56de\u7ed3\u679c\uff1a<\/span>30<\/span><\/pre>\n
3.\u6d4f\u89c8\u5668\u8f93\u5165 \uff1ahttp:\/\/127.0.0.1:8000\/add\/10\/20<\/a><\/span><\/h3>\n
\u8981\u6c42\u9875\u9762\u8fd4\u56de\u7ed3\u679c\uff1a30<\/h5>\n
#views.py<\/span>\r\ndef<\/span> add<\/span>(request<\/span>,bn1<\/span>,bn2<\/span>):\r\n    return<\/span> render<\/span>(request<\/span>,'add.html'<\/span>,{'a'<\/span>:bn1<\/span>,'b'<\/span>:bn2<\/span>})<\/pre>\n
#add.html\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\u7ed3\u679c\u662f:{{a|add:b}}<\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
4.\u6d4f\u89c8\u5668\u8f93\u5165 \uff1ahttp:\/\/127.0.0.1:8000\/add\/?a=10&b=20<\/a><\/span><\/h3>\n
\u9875\u9762\u8fd4\u56de\u7ed3\u679c\uff1a30<\/h5>\n
#views.py<\/span>\r\ndef<\/span> add<\/span>(request<\/span>):\r\n    a<\/span>=request<\/span>.GET<\/span>.get<\/span>('a'<\/span>)\r\n    b<\/span>=request<\/span>.GET<\/span>.get<\/span>('b'<\/span>)\r\n    return<\/span> render<\/span>(request<\/span>,'add.html'<\/span>,{'a'<\/span>:a<\/span>,'b'<\/span>:b<\/span>})<\/pre>\n
#add.html\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  <<\/span>h1<\/span>><\/span>\u7ed3\u679c\u662f:{{a|add:b}}<\/<\/span>h1<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span><\/pre>\n
<\/span><\/span><\/p>\n
\u603b\u7ed3:<\/h2>\n
DTL\u548cTemplate\u6807\u7b7e\u662fdjango\u524d\u540e\u7aef\u4ea4\u4e92\u975e\u5e38\u91cd\u8981\u7684\u73af\u8282.dtl\u4e30\u5bcc\u4e86\u524d\u7aef\u7684\u5c55\u73b0\u5f62\u5f0f.\u867d\u7136\u6709\u4e9b\u7e41\u7410\u4f46\u52a1\u5fc5\u719f\u6089.<\/h5>\n","protected":false},"excerpt":{"rendered":"
DTL\u5373\uff08Django Template Language\uff09 \u521d\u59cb\u5316 \u9879\u76ee\u5bf9\u5e94\u76ee\u5f55\u7ed3\u6784: #views.py # -*- coding: utf-8 -*- from __future__ import unicode_literals f […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[54],"tags":[62],"_links":{"self":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1255"}],"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=1255"}],"version-history":[{"count":5,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1255\/revisions"}],"predecessor-version":[{"id":1421,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1255\/revisions\/1421"}],"wp:attachment":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}