{"id":686,"date":"2012-08-24T01:07:07","date_gmt":"2012-08-23T16:07:07","guid":{"rendered":"http:\/\/www.whoocus.com\/blog\/?p=686"},"modified":"2025-03-23T00:34:36","modified_gmt":"2025-03-22T15:34:36","slug":"rails-select_tag-%e3%81%ae-onchange%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%81%ab%e3%82%88%e3%82%8b-form_tag-action%e5%b1%9e%e6%80%a7%e3%81%ae%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/www.blowfish.co.jp\/?p=686","title":{"rendered":"Rails select_tag \u306e onchange\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u308b form_tag action\u5c5e\u6027\u306e\u5909\u66f4"},"content":{"rendered":"\n

\u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u3092\u5909\u66f4\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30b5\u30d6\u30df\u30c3\u30c8\u3092\u547c\u3073\u305f\u3044\u306e\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u305f\u3002
\nform_tag\u3068select_tag \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306eHTML\u304c\u5410\u304d\u51fa\u3055\u308c\u308b\u3002<\/p>\n\n\n\n

<%= form_tag :controller => \"index\", :action => \"index\" do %>\n    <%= select_tag(:area_id, options_from_collection_for_select(@areas, :id, :area_name, @area_id), \\:onchange => \"this.form.submit()\") %>\n<% end %><\/code><\/pre>\n\n\n\n
<form accept-charset=\"UTF-8\" action=\"\/area\/2\" method=\"post\">\n    <select id=\"area_id\" name=\"area_id\" onchange=\"this.form.submit()\">\n        <option value=\"1\">Japan<\/option>\n        <option value=\"2\" selected=\"selected\">Thailand<\/option>\n        <option value=\"3\">USA<\/option>\n        <option value=\"4\">Canada<\/option>\n        <option value=\"5\">England<\/option>\n    <\/select>\n<\/form><\/code><\/pre>\n\n\n\n
\u3057\u304b\u3057\u3001\u3053\u306e\u65b9\u6cd5\u3060\u3051\u3060\u3068\u3001form\u306e\u5c5e\u6027\u3067\u3042\u308baction\u304c\u3001\/area\/2 \u306e\u307e\u307e\u5909\u308f\u3089\u306a\u3044\u3002
\n\u8272\u3005\u3068\u8a66\u3057\u305f\u304c\u3001javascript\u3067\u5bfe\u5fdc\u3059\u308b\u3057\u304b\u306a\u3044\u3088\u3046\u3060\u3002<\/p>\n\n\n\n
<script type=\"text\/javascript\">\n    $(function(){\n        $('#area_id').change(function() {\n            $(\"form\").attr('action', '\/areas\/' + $(this).val());\n            $(\"form\").submit();\n        });\n    });\n<\/script><\/code><\/pre>\n\n\n\n
Javascript\u3067\u3001form\u306eaction\u3092\u5909\u66f4\u3057\u3066submit\u3059\u308b\u3002
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\u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u3092\u5909\u66f4\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30b5\u30d6\u30df\u30c3\u30c8\u3092\u547c\u3073\u305f\u3044\u306e\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u305f\u3002 form_tag\u3068select_tag \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306eHTML\u304c\u5410\u304d\u51fa\u3055\u308c\u308b\u3002 \u3057\u304b\u3057\u3001\u3053\u306e\u65b9\u6cd5\u3060\u3051\u3060\u3068\u3001form\u306e\u5c5e\u6027\u3067\u3042\u308b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[10,25,14,4],"tags":[],"class_list":["post-686","post","type-post","status-publish","format-standard","hentry","category-javascript","category-rails","category-ruby","category-tech"],"_links":{"self":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=686"}],"version-history":[{"count":5,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/686\/revisions"}],"predecessor-version":[{"id":2965,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/686\/revisions\/2965"}],"wp:attachment":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}