{"title":"验证器","version":"4.1","locale":"zh-hans","docname":"ref/contrib/postgres/validators","url":"/zh-hans/4.1/ref/contrib/postgres/validators/","canonical":"https://djangodocs.dev/zh-hans/4.1/ref/contrib/postgres/validators/","summary":"这些验证器可以在 django.contrib.postgres.validators 模块中找到。验证值中是否包含给定的键。如果 strict 是 True，那么它还检查是否有其他键存在。","html":"<span id=\"validators\"></span><h1>验证器<a class=\"heading-anchor\" href=\"#module-django.contrib.postgres.validators\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h1>\n<p>这些验证器可以在 <code class=\"docutils literal notranslate\">django.contrib.postgres.validators</code> 模块中找到。</p>\n<section id=\"keysvalidator\">\n<h2><code class=\"docutils literal notranslate\">KeysValidator</code><a class=\"heading-anchor\" href=\"#keysvalidator\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<dl class=\"py class\">\n<dt class=\"sig sig-object py\" id=\"django.contrib.postgres.validators.KeysValidator\">\n<em class=\"property\"><span class=\"k\">class</span> </em><span class=\"sig-name descname\">KeysValidator</span><span class=\"sig-paren\">(</span><em class=\"sig-param\">keys</em>, <em class=\"sig-param\">strict<span class=\"o\">=</span><span class=\"default_value\">False</span></em>, <em class=\"sig-param\">messages<span class=\"o\">=</span><span class=\"default_value\">None</span></em><span class=\"sig-paren\">)</span><a class=\"heading-anchor\" href=\"#django.contrib.postgres.validators.KeysValidator\"><span class=\"visually-hidden\">Link to this definition</span><span aria-hidden=\"true\">#</span></a></dt>\n<dd><p>验证值中是否包含给定的键。如果 <code class=\"docutils literal notranslate\">strict</code> 是 <code class=\"docutils literal notranslate\">True</code>，那么它还检查是否有其他键存在。</p>\n<p>传递的 <code class=\"docutils literal notranslate\">messages</code> 应该是包含 <code class=\"docutils literal notranslate\">missing_keys</code> 和／或 <code class=\"docutils literal notranslate\">extra_keys</code> 键的字典。</p>\n<aside class=\"admonition admonition-note\" role=\"note\">\n<p class=\"admonition-title\">Note</p>\n<p>注意，这只是检查给定的键的存在，而不是检查键的值是非空的。</p>\n</aside>\n</dd></dl>\n\n</section>\n<section id=\"range-validators\">\n<h2>范围验证器<a class=\"heading-anchor\" href=\"#range-validators\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<section id=\"rangemaxvaluevalidator\">\n<h3><code class=\"docutils literal notranslate\">RangeMaxValueValidator</code><a class=\"heading-anchor\" href=\"#rangemaxvaluevalidator\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h3>\n<dl class=\"py class\">\n<dt class=\"sig sig-object py\" id=\"django.contrib.postgres.validators.RangeMaxValueValidator\">\n<em class=\"property\"><span class=\"k\">class</span> </em><span class=\"sig-name descname\">RangeMaxValueValidator</span><span class=\"sig-paren\">(</span><em class=\"sig-param\">limit_value</em>, <em class=\"sig-param\">message<span class=\"o\">=</span><span class=\"default_value\">None</span></em><span class=\"sig-paren\">)</span><a class=\"heading-anchor\" href=\"#django.contrib.postgres.validators.RangeMaxValueValidator\"><span class=\"visually-hidden\">Link to this definition</span><span aria-hidden=\"true\">#</span></a></dt>\n<dd><p>验证范围的上界不大于 <code class=\"docutils literal notranslate\">limit_value</code>。</p>\n</dd></dl>\n\n</section>\n<section id=\"rangeminvaluevalidator\">\n<h3><code class=\"docutils literal notranslate\">RangeMinValueValidator</code><a class=\"heading-anchor\" href=\"#rangeminvaluevalidator\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h3>\n<dl class=\"py class\">\n<dt class=\"sig sig-object py\" id=\"django.contrib.postgres.validators.RangeMinValueValidator\">\n<em class=\"property\"><span class=\"k\">class</span> </em><span class=\"sig-name descname\">RangeMinValueValidator</span><span class=\"sig-paren\">(</span><em class=\"sig-param\">limit_value</em>, <em class=\"sig-param\">message<span class=\"o\">=</span><span class=\"default_value\">None</span></em><span class=\"sig-paren\">)</span><a class=\"heading-anchor\" href=\"#django.contrib.postgres.validators.RangeMinValueValidator\"><span class=\"visually-hidden\">Link to this definition</span><span aria-hidden=\"true\">#</span></a></dt>\n<dd><p>验证范围的下界不小于 <code class=\"docutils literal notranslate\">limit_value</code>。</p>\n</dd></dl>\n\n</section>\n</section>","rootId":"module-django.contrib.postgres.validators","toc":[{"title":"KeysValidator","anchor":"keysvalidator","children":[]},{"title":"范围验证器","anchor":"range-validators","children":[{"title":"RangeMaxValueValidator","anchor":"rangemaxvaluevalidator","children":[]},{"title":"RangeMinValueValidator","anchor":"rangeminvaluevalidator","children":[]}]}],"breadcrumbs":[{"docname":"ref/index","title":"API 参考","url":"/zh-hans/4.1/ref/"},{"docname":"ref/contrib/index","title":"contrib 包","url":"/zh-hans/4.1/ref/contrib/"},{"docname":"ref/contrib/postgres/index","title":"django.contrib.postgres","url":"/zh-hans/4.1/ref/contrib/postgres/"}],"prev":{"docname":"ref/contrib/postgres/search","title":"全文搜索","url":"/zh-hans/4.1/ref/contrib/postgres/search/"},"next":{"docname":"ref/contrib/redirects","title":"重定向应用","url":"/zh-hans/4.1/ref/contrib/redirects/"},"formats":{"html":"/zh-hans/4.1/ref/contrib/postgres/validators/","markdown":"/zh-hans/4.1/ref/contrib/postgres/validators.md","json":"/zh-hans/4.1/ref/contrib/postgres/validators.json"},"source":"https://github.com/django/django/blob/stable/4.1.x/docs/ref/contrib/postgres/validators.txt","official":"https://docs.djangoproject.com/zh-hans/4.1/ref/contrib/postgres/validators/","inVersions":["6.1","6.0","5.2","5.1","5.0","4.2","4.1","4.0","3.2","3.1","3.0","2.2","2.1","2.0"],"inLocales":["en","zh-hans","fr","ja","id","it","pt-br","ko","es","el","pl"]}