{"id":1296,"date":"2017-08-23T18:14:41","date_gmt":"2017-08-23T10:14:41","guid":{"rendered":"http:\/\/www.yueguangzu.net\/?p=1296"},"modified":"2017-09-09T12:42:12","modified_gmt":"2017-09-09T04:42:12","slug":"%e8%87%aa%e5%ae%9a%e4%b9%89%e8%bf%87%e6%bb%a4%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.yueguangzu.net\/?p=1296","title":{"rendered":"[Django\u7cfb\u5217]7.\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668"},"content":{"rendered":"

1.\u81ea\u52a8\u8f6c\u4e49\uff1a<\/span><\/h4>\n
\u81ea\u52a8\u8f6c\u4e49\u662f\u5c06\u53d8\u91cf\u7684\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\u5de6\u7bad\u5934\uff08<\uff09\u3001\u53f3\u7bad\u5934\uff08>\uff09\u8f6c\u4e49\u6210html\u4ee3\u7801\uff0c\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5904\u7406\u4e00\u4e9b\u4e0d\u5b89\u5168\u7684\u53d8\u91cf\u3002<\/span><\/h5>\n
<==<\/span>=======&<\/span>lt<\/span>;\r\n>==<\/span>=======&<\/span>gt<\/span>;\r\n'=========&#39;<\/span>\r\n\"=========&quot;<\/span>\r\n&=========&<\/span>amp<\/span>;<\/pre>\n
2.\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/h4>\n
DTL\u6a21\u677f\u8bed\u8a00\u751f\u6765\u53ea\u662f\u4e3a\u4e86\u65b9\u4fbf\u7684\u5c55\u793a\u4fe1\u606f\uff0c\u6240\u4ee5\u4e0e\u7f16\u7a0b\u8bed\u8a00\u76f8\u6bd4\u663e\u5f97\u6709\u70b9\u8584\u5f31\uff0c\u6709\u65f6\u5019\u4e0d\u80fd\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\u3002\u56e0\u6b64django\u63d0\u4f9b\u4e86\u4e00\u4e2a\u63a5\u53e3\uff0c\u8ba9\u5f00\u53d1\u8005\u80fd\u81ea\u5b9a\u4e49\u6807\u7b7e\u548c\u8fc7\u6ee4\u5668\u3002<\/h5>\n
\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u5fc5\u987b\u5904\u5728\u5df2\u7ecf\u5b89\u88c5\u4e86\u7684<\/span>app<\/span>\u4e2d\u7684\u4e00\u4e2a\u540d\u53eb\u201d<\/span>templatetags<\/span>\u201d\u7684\u5305\uff08\u6587\u4ef6\u5939\uff09\u4e2d\u3002\u56e0\u6b64\u53ef\u4ee5\u6709\u4e24\u79cd\u9009\u62e9\uff1a<\/span>\r\n    1<\/span>\u3001\u4e00\u79cd\u662f\u653e\u5728\u5176\u4ed6\u5df2\u7ecf\u5b89\u88c5\u4e86\u7684<\/span>app<\/span>\u4e2d\u3002\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5355\uff0c\u4f46\u4e0d\u65b9\u4fbf\u7ba1\u7406\u3002<\/span>\r\n    2<\/span>\u3001\u5355\u72ec\u521b\u5efa\u4e00\u4e2a<\/span>app<\/span>\uff0c\u7528\u6765\u5b58\u653e\u6240\u6709\u7684\u81ea\u5df1\u5b9a\u4e49\u7684\u8fc7\u6ee4\u5668\u3002<\/span>\r\n\u6ce8\u610f\u4e8b\u9879\uff1a<\/span>\r\n    1<\/span>\u3001\u521b\u5efa\u5b8c<\/span>templatetags<\/span>\u6a21\u5757\u540e\uff0c\u4f60\u9700\u8981\u91cd\u542f\u670d\u52a1\u5668\u3002<\/span>\r\n    2<\/span>\u3001\u5728\u6a21\u677f\u4e2d\u52a0\u8f7d\u7684\u662f\u8fc7\u6ee4\u5668\u6240\u5728\u7684\u6587\u4ef6\u540d\uff0c\u800c\u4e0d\u662f<\/span>app<\/span>\u7684\u540d\u79f0\u3002<\/span><\/pre>\n
register<\/span>.filter<\/span>\uff1a\u53c2\u6570\u8be6\u89e3<\/span>\r\nName<\/span> \u8fc7\u6ee4\u5668\u540d<\/span>\r\nIs_safe<\/span> \u4fdd\u8bc1\u4e0d\u5f15\u5165\u4e0d\u5b58\u5728\u7684\u4e0d\u5b89\u5168\u7684<\/span>html<\/span>\u7b26\u53f7<\/span>\r\nneeds_autoescape<\/span> \u51b3\u7b56\u662f\u5426\u91c7\u7528\u81ea\u52a8\u8f6c\u4e49<\/span><\/pre>\n
\u521d\u59cb\u5316<\/h2>\n
#\/common\/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>\r\ndef<\/span> book<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0  return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{'books_name'<\/span>:bn<\/span>})<\/pre>\n
#\/day07\/urls.py<\/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> common<\/span> import<\/span> views<\/span>\r\nurlpatterns<\/span> = [\r\n \u00a0  url<\/span>(r'^admin\/'<\/span>, admin<\/span>.site<\/span>.urls<\/span>),\r\n \u00a0  url<\/span>(r'^books\/([\\S\\s]+)'<\/span>, views<\/span>.book<\/span>),\r\n]<\/pre>\n
\u4f7f\u7528\u65b9\u6cd5<\/h3>\n
1.\u5355\u72ec\u521b\u5efacommon\u5e94\u7528\u5b58\u653e\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668,\u5728\u4e0b\u9762\u65b0\u5efatemplatetags\u6587\u4ef6\u5939,\u5e76\u589e\u52a0\u4e00\u4e2a\u6587\u4ef6customer_filter.py<\/h4>\n
1.1\u901a\u8fc7\u51fd\u6570\u6ce8\u518c<\/h4>\n
register.filter('mycut',mycut)<\/code><\/span><\/span><\/p>\n
\u524d\u4e00\u4e2amycut\u5bf9\u5e94\u524d\u53f0\u7684\u8fc7\u6ee4\u5668\u540d\u79f0,\u540e\u4e00\u4e2amycut\u662f\u81ea\u5b9a\u4e49\u51fd\u6570\u540d.<\/h5>\n
#common\/templatetags\/customer_filter.py<\/span>\r\n#coding:utf-8<\/span>\r\nfrom<\/span> django<\/span> import<\/span> template<\/span>  #\u9700\u5bfc\u5165django\u7cfb\u7edf\u7684\u6a21\u677f<\/span>\r\nfrom<\/span> django<\/span>.template<\/span>.defaultfilters<\/span> import<\/span> stringfilter<\/span>\r\n\u200b\r\nregister<\/span>=template<\/span>.Library<\/span>() #\u521b\u5efa\u4e00\u4e2a\u6ce8\u518c\u5668<\/span>\r\n\u200b\r\ndef<\/span> mycut<\/span>(value<\/span>,arg<\/span>): \u00a0 \u00a0 #\u5b9a\u4e49\u4e00\u4e2amycut\u51fd\u6570,\u5c06\u4f20\u5165\u7684\u5b57\u7b26\u4e32value,\u5c06arg\u66ff\u6362\u6210\u4e3a\u7a7a''<\/span>\r\n \u00a0  return<\/span> value<\/span>.replace<\/span>(arg<\/span>,\"\"<\/span>)\r\nregister<\/span>.filter<\/span>('mycut'<\/span>,mycut<\/span>)  #\u7528\u6ce8\u518c\u5668\u5bf9\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u6ce8\u518c <\/span><\/pre>\n
\u5728\u7f51\u9875\u6a21\u677f,\u52a1\u5fc5\u4f7f\u7528{% load custom_filter %}\u547d\u4ee4,\u52a0\u8f7d\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u51fd\u6570.\u5426\u5219,\u4f1a\u62a5\u9519\u65e0\u6548\u7684\u8fc7\u6ee4\u5668<\/h5>\n
#hello_books.html\r\n{% load custom_filter %}\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>dtl3<\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  {{ books_name|mycut:\"_\"}}\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
\u89c6\u56fe\u51fd\u6570\u53ea\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u53d8\u91cfbn\u7ed9\u524d\u53f0\u6a21\u677f\u5373\u53ef.<\/h5>\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>\r\n\u200b\r\ndef<\/span> book<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0  return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{'books_name'<\/span>:bn<\/span>})<\/pre>\n
<\/span><\/span><\/p>\n
1.2\u901a\u8fc7\u88c5\u9970\u5668\u6ce8\u518c<\/h5>\n
\u5982\u679c\u4f7f\u7528\u88c5\u9970\u5668,\u4e5f\u53ef\u4ee5\u6709\u540c\u6837\u7684\u6548\u679c<\/h5>\n
#coding:utf-8<\/span>\r\nfrom<\/span> django<\/span> import<\/span> template<\/span>\r\nfrom<\/span> django<\/span>.template<\/span>.defaultfilters<\/span> import<\/span> stringfilter<\/span>\r\nregister<\/span>=template<\/span>.Library<\/span>() #\u521b\u5efa\u4e00\u4e2a\u6ce8\u518c\u5668<\/span>\r\n\u200b\r\n@register<\/span>.filter<\/span> #\u4f7f\u7528\u88c5\u9970\u5668,\u4e5f\u6709\u540c\u6837\u7684\u6548\u679c<\/span>\r\ndef<\/span> mycut<\/span>(value<\/span>,arg<\/span>):  \r\n \u00a0  return<\/span> value<\/span>.replace<\/span>(arg<\/span>,\"\"<\/span>)<\/pre>\n
<\/span><\/span><\/p>\n
1.3filter\u7684\u53c2\u6570<\/h5>\n
\n
\u5b9a\u4e49\u51fd\u6570exists,\u8be5\u51fd\u6570\u663e\u793a\u7684\u529f\u80fd\u662f\u5bf9url\u4e2d\u4f20\u5165\u7684\u5730\u5740\u548c\u6a21\u677f\u8fdb\u884c\u5224\u65ad,\u5982\u679csrc\u5728dst\u91cc\u9762\u5219\u8fd4\u56deTrue\u7ed9\u524d\u53f0,\u5426\u5219\u8fd4\u56deFalse<\/span><\/h5>\n<\/blockquote>\n
    \n
  • \n
    \u6ce8\u610f: \u5b9a\u4e49\u7684\u51fd\u6570\u540d\u79f0\u662fexists,\u6ce8\u518c\u65f6\u4f7f\u7528\u7684\u53c2\u6570\u662fExists,\u6a21\u677f\u8c03\u7528\u53ea\u80fd\u4f7f\u7528Exists<\/span><\/h5>\n<\/li>\n<\/ul>\n
    #common\/templatetags\/customer_filter.py<\/span>\r\n@register<\/span>.filter<\/span>(name<\/span>=\"Exists\"<\/span>) \r\ndef<\/span> exists<\/span>(src<\/span>, dst<\/span>):\r\n \u00a0  return<\/span> True<\/span> if<\/span> src<\/span> in<\/span> dst<\/span> else<\/span> False<\/span><\/pre>\n
    \u6a21\u677f\u4e2d\u5f15\u7528.<\/h5>\n
    #hello_books.html\r\n{% load custom_filter %}\r\n{{books_name|Exists:'python'}}<\/pre>\n
    2.\u7b80\u5355\u6807\u7b7e<\/span><\/h4>\n
    \u7b80\u5355\u6807\u7b7e\uff1a<\/span>\r\n\u4f7f\u7528<\/span> Library<\/span>.simple_tag<\/span>\u6ce8\u518c\uff1b<\/span>\r\n\u547d\u540d\u53c2\u6570<\/span>takes_context<\/span>=True<\/span>\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span>context<\/span>\uff1b<\/span>\r\n\u5f53\u4f7f\u7528<\/span>take_context<\/span>=True<\/span>\u65f6\uff0c\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u5fc5\u9700\u4e3a<\/span>context<\/span><\/pre>\n
    stringfilter<\/code><\/span>\u8fc7\u6ee4\u5668<\/span><\/h4>\n
      \n
    • \n
      \u8fd9\u91cc\u4f7f\u7528stringfilter\u6709\u4e2a\u6548\u679c,\u5c06\u5730\u5740\u4e2d\u4f20\u5165\u7684\u6570\u5b57\u8f6c\u6210\u5b57\u7b26\u4e32,\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027.<\/span><\/h5>\n<\/li>\n<\/ul>\n
      #common\/templatetags\/customer_filter.py<\/span>\r\n@register<\/span>.filter<\/span>\r\n@stringfilter<\/span>\r\ndef<\/span> mylower<\/span>(value<\/span>):  #\u8be5\u51fd\u6570\u7684\u4f5c\u7528\u662f\u5c06\u4f20\u5165\u7684\u5927\u5199\u5b57\u6bcd\u8f6c\u6210\u5c0f\u5199<\/span>\r\n \u00a0  return<\/span> value<\/span>.lower<\/span>()<\/pre>\n
      #hello_books.html<\/span>\r\n{%<\/span> load<\/span> custom_filter<\/span> %<\/span>}\r\n<<\/span>body<\/span>><\/span>\r\n{{ books_name<\/span>|<\/span>mylower<\/span> }}\r\n<\/<\/span>body<\/span>><\/span><\/pre>\n
      <\/span><\/span><\/p>\n
      <\/span><\/span><\/p>\n
      3.\u5185\u6db5\u6807\u7b7e<\/span><\/h4>\n
      \u4f7f\u7528<\/span>Library<\/span>.inclusion_tag<\/span>\u6ce8\u518c<\/span>\r\n\u8fd9\u79cd\u7c7b\u578b\u7684\u6807\u7b7e\u53ef\u4ee5\u88ab\uff1b\u5176\u4ed6\u6a21\u677f\u8fdb\u884c\u6e32\u67d3\uff0c\u7136\u540e\u5c06\u6e32\u67d3\u7ed3\u679c\u8f93\u51fa<\/span>\r\n\u652f\u6301<\/span>take_context<\/span>=True<\/span><\/pre>\n
        \n
      • \n
        3.1\u9996\u5148\u7ed9\u5b9a\u4e49\u4e00\u4e2ashow\u51fd\u6570,\u91cc\u9762\u662f\u4e00\u4e2a\u5217\u8868\u8fd4\u56de\u4e00\u6b21context\u5b57\u5178.<\/span><\/h5>\n<\/li>\n<\/ul>\n
        #common\/templatetags\/customer_filter.py<\/span>\r\n@register<\/span>.inclusion_tag<\/span>('result.html'<\/span>)  #\u9700\u8981\u4f7f\u7528inclusion_tag\u6ce8\u518cresult.html\u7684\u6a21\u677f<\/span>\r\ndef<\/span> show<\/span>():\r\n \u00a0  lis<\/span>=[u'\u6d6e\u751f'<\/span>,u'\u5c0f\u7956\u5b97'<\/span>,u'\u6768\u5e06'<\/span>]\r\n \u00a0  return<\/span> {'choices'<\/span>:lis<\/span>}<\/pre>\n
          \n
        • \n
          3.2 result.html\u6a21\u677f,\u4e0a\u4e0b\u6587\u662f\u4f20\u5230\u8be5\u9875\u9762\u4e0a\u7684.<\/span><\/h5>\n<\/li>\n<\/ul>\n
          #result.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>result<\/span><\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n \u00a0  {%<\/span> for<\/span> i<\/span> in<\/span> choices<\/span> %<\/span>}\r\n \u00a0  <<\/span>li<\/span>><\/span>{{ i<\/span> }}<\/<\/span>li<\/span>><\/span>\r\n \u00a0  {%<\/span> endfor<\/span> %<\/span>}\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
            \n
          • \n
            3.3\u4e8b\u5b9e\u4e0a{% show %}<\/code><\/span>\u662f\u4ece\u5176\u4ed6\u6a21\u677fresult.html<\/code><\/span>\u8fdb\u884c\u6e32\u67d3\uff0c\u7136\u540e\u5c06\u6e32\u67d3\u7ed3\u679c\u8f93\u51fa\u5230hello_books.html<\/code><\/span><\/h5>\n<\/li>\n<\/ul>\n
            #hello_books.html<\/span>\r\n{%<\/span> load<\/span> custom_filter<\/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>dtl3<\/span><\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\u8fd9\u91cc\u662f\u4f7f\u7528\u5185\u6db5\u6807\u7b7e<\/span>,\u4ece<\/span>result<\/span>.html<\/span>\u9875\u9762\u52a0\u8f7d\u8fc7\u6765\u7684\u5185\u5bb9<\/span><\/<\/span>h1<\/span>><\/span>\r\n{%<\/span> show<\/span> %<\/span>}\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
            <\/span><\/span><\/p>\n
            4.\u5206\u914d\u6807\u7b7e<\/span><\/h4>\n
            \u4f7f\u7528<\/span>Library<\/span>.assignment_tag<\/span>\r\n\u7c7b\u4f3c\u4e8e\u7b80\u5355\u6807\u7b7e\uff0c\u4f46\u5e76\u4e0d\u4f1a\u8f93\u51fa\u7ed3\u679c\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span> as<\/span> \u5173\u952e\u5b57\u5c06\u7ed3\u679c\u8d4b\u7ed9\u4e00\u4e2a\u53c2\u6570<\/span><\/pre>\n
            4.1\u51c6\u5907\u597dviews,py\u4f20\u5165\u4e00\u4e2a \u53c2\u6570{‘timezone’:’%Z’} \u7ed9\u6a21\u677f,\u7528\u6237\u683c\u5f0f\u5316\u65f6\u95f4<\/span><\/h5>\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>\r\ndef<\/span> book<\/span>(request<\/span>,bn<\/span>):\r\n \u00a0  return<\/span> render<\/span>(request<\/span>,'hello_books.html'<\/span>,{'books_name'<\/span>:bn<\/span>,'timezone'<\/span>:'%Z'<\/span>})<\/pre>\n
            4.2\u5c06current_time ‘%c’ \u4f7f\u7528\u522b\u540dct\u66ff\u6362<\/h5>\n
            #hello_books.html<\/span>\r\n{%<\/span> load<\/span> custom_filter<\/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>dtl3<\/span><\/<\/span>title<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n<<\/span>h1<\/span>><\/span>\u8fd9\u91cc\u662f\u4f7f\u7528\u5185\u6db5\u6807\u7b7e<\/span>,\u4ece<\/span>result<\/span>.html<\/span>\u9875\u9762\u52a0\u8f7d\u8fc7\u6765\u7684\u5185\u5bb9<\/span><\/<\/span>h1<\/span>><\/span>\r\n{%<\/span> show<\/span> %<\/span>}\r\n{%<\/span>current_time<\/span> '%c'<\/span> as<\/span> ct<\/span>%<\/span>} \u00a0 \u00a0 \u00a0 \u00a0 #\u5c06current_time '%c' \u4f7f\u7528\u522b\u540dct\u66ff\u6362 <\/span>\r\n<<\/span>p<\/span>><\/span>The<\/span> time<\/span> is<\/span> {{ct<\/span>}}.<\/<\/span>p<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
            4.3 customer_filter.py\u5219\u4f7f\u7528Library.assignment_tag<\/code><\/span>\u5206\u914d\u6807\u7b7e<\/h5>\n
              \n
            • \n
              \u5b9a\u4e49\u4e00\u4e2acurrent_time\u51fd\u6570,\u5bf9\u4f20\u5165\u7684\u4e0a\u4e0b\u6587context,\u6309\u7167format_string\u683c\u5f0f\u8fdb\u884c\u5904\u7406<\/span><\/h5>\n<\/li>\n<\/ul>\n
              #common\/templatetags\/customer_filter.py<\/span>\r\n@register<\/span>.assignment_tag<\/span>(takes_context<\/span>=True<\/span>)\r\ndef<\/span> current_time<\/span>(context<\/span>,format_string<\/span>):\r\n \u00a0  timezone<\/span>=context<\/span>['timezone'<\/span>]\r\n \u00a0  return<\/span> time<\/span>.strftime<\/span>(format_string<\/span>,time<\/span>.localtime<\/span>())<\/pre>\n
              \n
              \u8fd0\u884c\u6548\u679c<\/h5>\n<\/blockquote>\n
              <\/span><\/span><\/p>\n
              Template\u914d\u7f6e<\/span><\/h3>\n
              1.<\/span> BACKEND<\/span>\uff1a\u914d\u7f6e\u9009\u62e9\u90a3\u4e2a\u6a21\u677f\u5f15\u64ce\u3002<\/span>\r\n2.<\/span> DIRS<\/span>\uff1a\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u641c\u7d22\u6a21\u677f\u8def\u5f84\u3002<\/span>\r\n3.<\/span> APP_DIRS<\/span>\uff1a\u662f\u5426\u67e5\u627e\u5df2\u7ecf\u5b89\u88c5\u4e86\u7684<\/span>app<\/span>\u4e0b\u7684<\/span>templates<\/span>\u6587\u4ef6\u5939\u4e0b\u7684\u6a21\u677f\u6587\u4ef6\u3002<\/span>\r\n4.<\/span> OPTIONS<\/span>\uff1a\u53ef\u9009\u7684\u914d\u7f6e\uff0c\u6709\u4ee5\u4e0b<\/span>key<\/span>\u8fdb\u884c\u914d\u7f6e\uff1a<\/span>\r\n \u00a0 (1<\/span>) autoescape<\/span>\uff1a\u662f\u5426\u6253\u5f00<\/span>HTML<\/span>\u7684\u81ea\u52a8\u8f6c\u4e49\uff0c\u9ed8\u8ba4\u662f\u6253\u5f00\u7684\u3002<\/span>\r\n \u00a0 (<\/span>2<\/span>) context_processors<\/span>\uff1a\u4e0a\u4e0b\u6587\u5904\u7406\u5668\u3002<\/span>\r\n \u00a0 (3<\/span>) libraries<\/span>\uff1a\u6dfb\u52a0\u7b2c\u4e09\u65b9\u6a21\u677f\u6807\u7b7e\uff0c\u5982\u679c\u4f7f\u7528\u9700\u8981\u4f7f\u7528<\/span>{%<\/span>load<\/span>%<\/span>}\u8fdb\u884c\u5bfc\u5165\u3002<\/span>\r\n \u00a0 (<\/span>4<\/span>) builtins<\/span>\uff1a\u6dfb\u52a0\u6a21\u677f\u6807\u7b7e\u5230\uff0c\u4e0d\u9700\u8981\u4f7f\u7528<\/span>{%<\/span>load<\/span>%<\/span>}\u8fdb\u884c\u5bfc\u5165\uff0c\u76f4\u63a5\u5f53\u6210\u5185\u7f6e\u7684\u4f7f\u7528\u3002<\/span>\r\n \u00a0 (5<\/span>) file_charset<\/span>\uff1a\u6a21\u677f\u7f16\u7801\u65b9\u5f0f\u3002<\/span><\/pre>\n
                \n
              • django\u67e5\u627eTemplate\u7684\u987a\u5e8f<\/span>
                \n
                django\u5b89\u88c5INSTALLED_APPS\u4e2d\u7684\u6dfb\u52a0\u987a\u5e8f\u67e5\u627eTemplate\u6587\u4ef6<\/span><\/span><\/p>\n
                \u4e0d\u540cAPP\u4e0bTemplate\u76ee\u5f55\u4e2d\u7684\u540c\u540dhtml\u6587\u4ef6\u4f1a\u53d1\u751f\u51b2\u7a81<\/span><\/p><\/blockquote>\n<\/li>\n<\/ul>\n
                def<\/span> hello_books<\/span>(request<\/span>, bn<\/span>):\r\n \u00a0  if<\/span> bn<\/span> = 'index'<\/span>:\r\n \u00a0 \u00a0 \u00a0  #books\/templates\/books\/index.html<\/span>\r\n \u00a0 \u00a0 \u00a0  return<\/span> render<\/span>(request<\/span>, 'books\/index.html'<\/span>)\r\n \u00a0  else<\/span>:\r\n \u00a0 \u00a0 \u00a0  return<\/span> render<\/span>(request<\/span>, 'hello_books.html'<\/span>, {'books_name'<\/span> : bn<\/span>})\r\ndef<\/span> hello_movies<\/span>(request<\/span>, bn<\/span>):\r\n \u00a0  if<\/span> bn<\/span> = 'index'<\/span>:\r\n \u00a0 \u00a0 \u00a0  #movies\/templates\/movies\/index.html<\/span>\r\n \u00a0 \u00a0 \u00a0  return<\/span> render<\/span>(request<\/span>, 'movies\/index.html'<\/span>)\r\n \u00a0  else<\/span>:\r\n \u00a0 \u00a0 \u00a0  return<\/span> render<\/span>(request<\/span>, 'hello_books.html'<\/span>, {'books_name'<\/span> : bn<\/span>})<\/pre>\n
                \u603b\u7ed3:<\/span><\/h2>\n
                \u5f88\u62bd\u8c61,\u5f88\u96be\u7406\u89e3!<\/span><\/h5>\n","protected":false},"excerpt":{"rendered":"
                1.\u81ea\u52a8\u8f6c\u4e49\uff1a \u81ea\u52a8\u8f6c\u4e49\u662f\u5c06\u53d8\u91cf\u7684\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\u5de6\u7bad\u5934\uff08<\uff09\u3001\u53f3\u7bad\u5934\uff08>\uff09\u8f6c\u4e49\u6210html\u4ee3\u7801\uff0c\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5904\u7406\u4e00\u4e9b\u4e0d\u5b89\u5168\u7684\u53d8\u91cf\u3002 <=========&lt; >=========&gt;  […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[54],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1296"}],"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=1296"}],"version-history":[{"count":4,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1296\/revisions"}],"predecessor-version":[{"id":1427,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1296\/revisions\/1427"}],"wp:attachment":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1296"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}