{"id":619,"date":"2018-10-21T21:10:37","date_gmt":"2018-10-21T13:10:37","guid":{"rendered":"http:\/\/develop-note.com\/blog\/?p=619"},"modified":"2022-02-16T22:14:33","modified_gmt":"2022-02-16T14:14:33","slug":"2019ironman-flask-restful-day20","status":"publish","type":"post","link":"https:\/\/www.develop-note.com\/blog\/2018\/10\/21\/2019ironman-flask-restful-day20\/","title":{"rendered":"\u7b2c\u5341\u5c46\u9435\u4eba\u8cfd flask-restful DAY20-\u641e\u61c2\u5982\u4f55\u7528marshmallow\u89e3\u6790\u8acb\u6c42\u53c3\u6578"},"content":{"rendered":"<h1>\u4f7f\u7528marshmallow<\/h1>\n<p>\u5728\u6628\u65e5\u544a\u8a34\u5927\u5bb6\u600e\u9ebc\u5b89\u88ddflask-marshmallow\uff0c\u4e26\u4e14\u5728\u6211\u5011\u7684flask-restful\u61c9\u7528\u7a0b\u5e8f\u4e2d\u52a0\u8f09\u4e86flask-marshmallow\uff0c\u4eca\u65e5\u8981\u958b\u59cb\u4f7f\u7528<a href=\"https:\/\/marshmallow.readthedocs.io\/en\/3.0\/\" rel=\"nofollow noopener\" target=\"_blank\">marshmallow<\/a>\u7684\u8a2d\u5b9a\u4f86\u89e3\u6790\u8acb\u6c42\u53c3\u6578\u3002<!--more--><\/p>\n<h1>marshmallow\u5143\u7d20<\/h1>\n<p>\u5728\u9019\u908a\u6211\u5011\u900f\u904e\u5efa\u7acb\u4e00\u500b\u89e3\u6790\u8acb\u6c42\u53c3\u6578\u5167\u5bb9\u7684\u65b9\u5f0f\u4ecb\u7d39marshmallow\u5167\u542b\u7684\u5143\u7d20\uff0c\u9996\u5148\u6211\u5011\u5148\u4ecb\u7d39schema\u3002<\/p>\n<h2>schema<\/h2>\n<p>\u6211\u5011\u53ef\u4ee5\u900f\u904e\u9019\u4e00\u500bschema\u4f86\u5efa\u7acb\u6211\u5011\u9810\u671f\u8acb\u6c42\u53c3\u6578\u7684\u5167\u5bb9\u7684\u57fa\u672c\u7d50\u69cb\uff0c\u4e0b\u9762\u4f8b\u5b50\u6211\u5011\u5efa\u7acb\u4e00\u500b<code><code>UserSchema<\/code><\/code>\u4f86\u5b9a\u7fa9\u6211\u5011\u63a5\u6536\u5230\u4f7f\u7528\u8005\u7684\u8acb\u6c42\u53c3\u6578\u6240\u5305\u542b\u7684\u5143\u7d20\uff1a<\/p>\n<pre><code class=\"language-python\">from common.ma import ma\n\nclass UserSchema(ma.Schema):\n    email = ma.Str()\n    password = ma.Str()<\/code><\/pre>\n<p>\u5728\u5b9a\u7fa9<code><code>UserSchema<\/code>`<code>\u4e4b\u524d\u6211\u5011\u9700\u8981\u628a\u5148\u524d\u7684flask-marshmallow\u51fd\u5f0f\u5eabimport\u9032\u4f86\uff0c\u56e0\u70ba\u6240\u6709\u81ea\u8a02\u7fa9\u7684marshmallow\u7684schema\u90fd\u8981\u7e7c\u627fMarshmallow.Schema\uff0c\u63a5\u4e0b\u4f86\u6211\u5011\u5728<\/code>`<code>UserSchema<\/code>`<code>\u5b9a\u7fa9\u4ed6\u6709\u5169\u500b\u5c6c\u6027<\/code>`<code>email<\/code>`<code>\u8207<\/code>`<code>password<\/code><\/code>\u3002<\/p>\n<h2>field<\/h2>\n<p>\u5b9a\u7fa9<code><code>UserSchema<\/code>`<code>\u7684\u5169\u500b\u5c6c\u6027\u5c31\u662f\u900f\u904emarshmallow\u7684field\u4f86\u9650\u5b9a\u5c6c\u6027\u7684\u578b\u5225\uff0c\u4f8b\u5982\u4e0a\u9762\u4f8b\u5b50\u5c31\u662f\u6307\u5b9a<\/code>`<code>email<\/code>`<code>\u8207<\/code>`<code>password<\/code><\/code>\u9019\u5169\u500b\u5c6c\u6027\u7684\u578b\u5225\u662f\u5b57\u4e32\uff0c\u800cmarshmallow\u7684field\u6709\u5f88\u591a\u7a2e\uff0c\u4ee5\u4e0b\u91dd\u5c0d\u4e0b\u5217\u5e7e\u9ede\u52a0\u4ee5\u8aaa\u660e\u3002<\/p>\n<ul>\n<li>Str, Int, Bool, Float<\/li>\n<li>DateTime, LocalDateTim<\/li>\n<li>Email<\/li>\n<li>Nested<\/li>\n<\/ul>\n<h3>Str, Int, Bool, Float<\/h3>\n<p>\u9019\u5c31\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u57fa\u672c\u578b\u5225\uff0c\u6240\u4ee5\u5148\u4e0d\u91dd\u5c0d\u9019\u90e8\u5206\u52a0\u4ee5\u8aaa\u660e\u4e86\u3002<\/p>\n<h3>DateTime, LocalDateTim<\/h3>\n<p>\u9019\u662f\u4e00\u4e9b\u6642\u9593\u7684\u578b\u5225\uff0c\u6240\u4ee5\u4e5f\u4e0d\u52a0\u4ee5\u8aaa\u660e\u4e86\u3002<\/p>\n<h3>Email<\/h3>\n<p>\u9019\u5c31\u9650\u5236\u5b57\u4e32\u5167\u5bb9\u662fEmail\u7684\u683c\u5f0f\u3002<\/p>\n<h3>Nested<\/h3>\n<p>\u9019\u500bNested\u6bd4\u8f03\u7279\u5225\uff0c\u5c31\u662f\u4e00\u500b\u8907\u96dc\u7684\u578b\u5225\u4ed6\u53ef\u4ee5\u900f\u904e\u50b3\u5165\u53e6\u5916\u4e00\u500bSchema\u544a\u8a34\u76ee\u524d\u7684Schema\u77e5\u9053\u90a3\u500b\u5c6c\u6027\u662f\u8a72Schema\u7684\u578b\u5225\uff0c\u9019\u6a23\u8aaa\u4f86\u5f88\u62bd\u8c61\u5c31\u8b93\u5927\u5bb6\u770b\u770b\u4e0b\u5217\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-python\">class ASchema(ma.Schema):\n    name = ma.Str()\n    password = ma.Str()\n\nclass BSchema(ma.Schema):\n    aItem = ma.Nested(ASchema)<\/code><\/pre>\n<p>\u9019\u500bmarshmallow\u7684field\u7684\u5167\u5bb9\u9084\u883b\u591a\u7684\u5c31\u4e0d\u5728\u6b64\u4e00\u4e00\u8aaa\u660e\uff0c\u6709\u8208\u8da3\u7684\u8b80\u8005\u53ef\u4ee5\u770b\u4e00\u4e0b<a href=\"https:\/\/marshmallow.readthedocs.io\/en\/3.0\/api_reference.html#api-fields\" rel=\"nofollow noopener\" target=\"_blank\">API\u6587\u4ef6<\/a><\/p>\n<h2>validate<\/h2>\n<p>\u7531\u65bc\u5148\u524d\u7684\u5167\u5bb9\u6703\u9a57\u8b49\u6240\u9700\u5167\u5bb9\u4e00\u5b9a\u8981\u63d0\u4ea4\uff0c\u4f46\u662f\u6c92\u6709\u9a57\u8b49\u683c\u5f0f\u662f\u5426\u76f8\u7b26\uff0c\u6240\u4ee5\u6211\u5011\u518d\u9032\u4e00\u6b65\u4fee\u6b63\u4e0a\u8ff0\u7684\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">from common.ma import ma\n\nclass UserSchema(ma.Schema):\n    email = ma.Email(required=True)\n    password = ma.Str(required=True)<\/code><\/pre>\n<p>\u7d93\u904e\u4fee\u6b63\u4e4b\u5f8c\u6211\u5011\u91dd\u5c0demail\u7684\u5167\u5bb9\u52a0\u898f\u7bc4\uff0c\u6240\u4ee5\u7576\u63d0\u4ea4\u5167\u5bb9\u4e0d\u7b26\u5408Email\u7684\u898f\u7bc4\u6642\u4ed6\u6703\u63d0\u793a\u932f\u8aa4\u5167\u5bb9\uff0c\u4e26\u4e14\u8a72\u5c6c\u6027\u7684\u5167\u5bb9\u6703\u662fNone\uff0c\u4e0d\u904epassword\u82e5\u662f\u63d0\u4ea4\u7a7a\u5b57\u4e32\u4ed6\u9084\u662f\u6703\u901a\u904e\uff0c\u56e0\u6b64\u6211\u5011\u518d\u52a0\u4ee5\u4fee\u6b63\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">from common.ma import ma\nfrom marshmallow import validate\n\nclass UserSchema(ma.Schema):\n    email = ma.Email(required=True)\n    password = ma.Str(required=True, validate=[\n                      validate.Length(min=6, max=36)],)<\/code><\/pre>\n<p>\u900f\u904e<code><code>validate.Length<\/code><\/code>\u6211\u5011\u53ef\u4ee5\u6307\u5b9a\u5bc6\u78bc\u7684\u9577\u5ea6\u843d\u57286~36\u4e4b\u9593\uff0c\u6240\u4ee5\u7576\u4e0b\u6b21\u63d0\u4ea4\u8acb\u6c42\u6642\u82e5\u662fpassword\u63d0\u4ea4\u7a7a\u5b57\u4e32\u6642\u6703\u5f97\u5230\u9a57\u8b49\u5931\u6557\u7684\u932f\u8aa4\u3002<\/p>\n<h1>\u5728flask-restful\u5167\u52a0\u5165Schema<\/h1>\n<p>\u9996\u5148\u6211\u5011\u518dmodels\u5167\u52a0\u4e00\u500bschema\u7684\u8cc7\u6599\u593e\uff0c\u4e26\u5728schema\u5167\u52a0\u5165\u4e00\u500buser_schema.py\u7684\u6a94\u6848\uff0c\u6700\u5f8c\u628a\u4e0a\u8ff0\u7684\u5167\u5bb9\u8cbc\u5230user_schema.py\u6a94\u6848\u5167\uff0c\u63a5\u4e0b\u4f86\u6211\u5011\u91dd\u5c0duser.py\u9019\u500bResource\u52a0\u4ee5\u4fee\u6539\uff0c\u9996\u5148\u5148\u52a0\u5165\u4ee5\u4e0b\u4fee\u6539\uff1a<\/p>\n<pre><code class=\"language-python\">from models.schema.user import UserSchema<\/code><\/pre>\n<p>\u7576\u7136\u7b2c\u4e00\u6b65\u662f\u5148\u5c07\u5148\u524d\u5beb\u597d\u7684UserSchema\u7d66import\u9032\u4f86\uff0c\u5728\u4f86\u4e0b\u4e00\u6b65\u662f\u7522\u751f\u4e00\u500bUserSchema\u7684\u5be6\u9ad4\u5982\u4e0b\u5217\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-python\">user_schema = UserSchema()<\/code><\/pre>\n<p>\u6700\u5f8c\u5c31\u662f\u5728\u8655\u7406POST\u8207PUT\u65b9\u6cd5\u6642\u4f7f\u7528<code><code>user_schema<\/code><\/code>\u4f86\u89e3\u6790\u50b3\u5165\u53c3\u6578\u7684\u5167\u5bb9\uff0c\u8a73\u7d30\u5167\u5bb9\u8acb\u898b\u4ee5\u4e0b\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-python\">        json_data = request.json\n        result = user_schema.load(json_data)\n\n        if len(result.errors) &gt; 0:\n            return result.errors, 433\n\n        user = {\n            &#039;name&#039;: name,\n            &#039;email&#039;: result.data[&#039;email&#039;],\n            &#039;password&#039;: result.data[&#039;password&#039;]\n        }<\/code><\/pre>\n<p>\u4e0d\u904e\u9019\u88e1\u5c31\u6709\u500b\u7f3a\u9ede\uff0c\u5c31\u662f\u9700\u8981\u660e\u78ba\u7684\u5b9a\u7fa9\u8acb\u6c42\u7684\u65b9\u5f0f\u662f\u900f\u904eform\u6216\u662fjson\u683c\u5f0f\uff0c\u50cf\u4e0a\u8ff0\u7684\u662f\u900f\u904ejson\u65b9\u5f0f\uff0c\u5982\u679c\u6539\u6210form\u7684\u65b9\u5f0f\u50b3\u905e\u5c31\u6703\u89e3\u6790\u5931\u6557\uff0c\u5982\u679c\u50b3\u905e\u7684\u65b9\u5f0f\u662fform\u7684\u8a71\u5c31\u8981\u4fee\u6539\u6210\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code class=\"language-python\">        json_data = request.form<\/code><\/pre>\n<h1>\u5c0f\u7d50<\/h1>\n<p>\u4eca\u65e5\u7684\u5167\u5bb9\u6559\u6388\u5927\u5bb6\u5982\u4f55\u4f7f\u7528marshmallow\u4f86\u5b9a\u7fa9UserSchema\uff0c\u4e26\u900f\u904efield.Email\u4f86\u9a57\u8b49\u8acb\u6c42\u53c3\u6578\u5167\u5bb9\u683c\u5f0f\uff0c\u4ee5\u53ca\u900f\u904evalidate.Length\u4f86\u9650\u5236\u8f38\u5165\u9577\u5ea6\uff0c\u6700\u5f8c\u900f\u904e\u7bc4\u4f8b\u6559\u6388\u5927\u5bb6\u5982\u4f55\u52a0UserSchema\u52a0\u5165\u5230\u6211\u5011\u7684\u5c08\u6848\u4e4b\u4e2d\u3002\u63a5\u4e0b\u4f86\u660e\u65e5\u7684\u6559\u7a0b\u5148\u6559\u5927\u5bb6\u5982\u4f55\u6574\u7406\u81f3\u4eca\u70ba\u6b62\u7684user.py\uff0c\u656c\u8acb\u671f\u5f85\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528marshmallow \u5728\u6628\u65e5\u544a\u8a34\u5927\u5bb6\u600e\u9ebc\u5b89\u88ddflask-marshmallow\uff0c\u4e26\u4e14\u5728\u6211\u5011\u7684flask- &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.develop-note.com\/blog\/2018\/10\/21\/2019ironman-flask-restful-day20\/\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008\u7b2c\u5341\u5c46\u9435\u4eba\u8cfd flask-restful DAY20-\u641e\u61c2\u5982\u4f55\u7528marshmallow\u89e3\u6790\u8acb\u6c42\u53c3\u6578\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[162,4,37,5,35,3],"class_list":["post-619","post","type-post","status-publish","format-standard","hentry","category-develop","tag-2018ironman","tag-flask","tag-flask-marshmallow","tag-flask-restful","tag-marshmallow","tag-python"],"_links":{"self":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/comments?post=619"}],"version-history":[{"count":8,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/619\/revisions"}],"predecessor-version":[{"id":2749,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/619\/revisions\/2749"}],"wp:attachment":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/media?parent=619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/categories?post=619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/tags?post=619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}