{"id":9267,"date":"2012-03-19T21:00:54","date_gmt":"2012-03-19T12:00:54","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=9267"},"modified":"2012-03-20T12:07:53","modified_gmt":"2012-03-20T03:07:53","slug":"dart%e3%81%a7jsonp","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/9267.html","title":{"rendered":"Dart\u3067JSONP"},"content":{"rendered":"

Seth Ladd’s Blog: JSONP with Dart<\/a>\u306bJSONP\u3092Dart\u3067\u4f7f\u3046\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u304c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u304b\u3001\u78ba\u8a8d\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n<\/p>\n

Dart\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002Dart Editor \u3067\u65b0\u898f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4f5c\u6210\u306e\u30a6\u30a3\u30b6\u30fc\u30c9\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u751f\u6210\u3057\u3066\u3001\u4fee\u6b63\u3057\u3066\u3044\u3051\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u3002JSON\u30c7\u30fc\u30bf\u306e\u5c55\u958b\u306b\u3042\u305f\u3063\u3066\u306f\u3001parse\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u3044\u304f\u3064\u304b\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u793a\u3057\u3066\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u53d6\u308a\u51fa\u3057\u305f\u3044JSON\u30c7\u30fc\u30bf\u306b\u5408\u308f\u305b\u308c\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

\r\n#import('dart:html');\r\n#import('dart:json');\r\n\r\ndataReceived(MessageEvent e) {\r\n  var data = JSON.parse('{"responseData": "sample1"}');\r\n  String s = "sample1 ... " + data['responseData'];\r\n  data = JSON.parse('{"responseData": {"results":"sample2"}}');\r\n  s =  s + "<br \/>sample2 ... " + data['responseData']['results'];\r\n  data = JSON.parse('{"responseData": {"results": {"moreResultsUrl":"http:\/\/example.jp\/"}}, "responseStatus": 200}');\r\n  s =  s + "<br \/>sample3 ... " + data['responseData']['results']['moreResultsUrl'];\r\n  data = JSON.parse('''\r\n   {\r\n    "responseData": {\r\n      "results":[{"content":"c", "url":"http:\/\/"}],\r\n      "cursor":{"moreResultsUrl":"http:\/\/example.jp\/"}\r\n    }, \r\n    "responseStatus": 200\r\n   }\r\n''');\r\n  s =  s + "<br \/>sample4 responseStatus ... " + data['responseStatus'];\r\n  s =  s + "<br \/>sample4 moreResultsUrl ... " + data['responseData']['cursor']['moreResultsUrl'];\r\n  data = JSON.parse(e.data);\r\n  s =  s + "<br \/>e.data responseStatus ... " + data['responseStatus'];\r\n  s =  s + "<br \/>e.data results[0] url ... " + data['responseData']['results'][0]['url'];\r\n  document.query('#status').innerHTML = s;\r\n}\r\nvoid main() {\r\n  window.on.message.add(dataReceived);\r\n  \r\n  ScriptElement script = new Element.tag("script");\r\n  script.src = "https:\/\/ajax.googleapis.com\/ajax\/services\/search\/news?v=1.0&q=barack%20obama&callback=callbackForJsonpApi";\r\n  document.body.elements.add(script);\r\n}\r\n<\/pre>\n
\u5b9f\u969b\u306bJSONP\u7d4c\u7531\u306e\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3066\u3044\u308b\u306e\u306f\u3001data = JSON.parse(e.data) \u306e\u3068\u3053\u308d\u3067\u3059\u3002dataReceived()\u95a2\u6570\u306f\u3069\u3046\u3084\u3063\u3066\u547c\u3076\u304b\u3068\u3044\u3046\u3068\u3001\u5c11\u3005\u30c8\u30ea\u30c3\u30ad\u30fc\u306a\u3053\u3068\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305a\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u76e3\u8996\u3059\u308b\u3088\u3046\u306b\u3001\u300cwindow.on.message.add(dataReceived)\u300d\u3068\u3057\u3066\u3001dataReceived()\u95a2\u6570\u3092\u767b\u9332\u3057\u3066\u3044\u307e\u3059\u3002\u52d5\u7684\u306bJSONP API\u3092\u547c\u3073\u51fa\u3057\u305f\u3044\u3053\u3068\u304c\u591a\u3044\u306f\u305a\u306a\u306e\u3067\u3001ScriptElement\u3092\u4f7f\u3063\u3066\u30bf\u30b0\u3092\u52d5\u7684\u306b\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306eAPI\u3092\u6307\u5b9a\u3059\u308bURI\u3067\u3001\u300ccallback=callbackForJsonpApi\u300d\u3068JavaScript\u306e\u95a2\u6570\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
callbackForJsonpApi\u3068\u3044\u3046JavaScript\u306e\u95a2\u6570\u306f\u3001HTML\u5074\u306b\u7528\u610f\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u304cJSONP API\u304b\u3089\u547c\u3073\u51fa\u3055\u308c\u308b\u306e\u3067\u3001\u3053\u3053\u306b\u6765\u305f\u5024\u3092dataReceived\u95a2\u6570\u3078\u4f1d\u642c\u3055\u305b\u308b\u305f\u3081\u306b\u3001postMessage()\u3092\u4f7f\u3063\u3066\u3001window\u3078\u30e1\u30c3\u30bb\u30fc\u30b8\u3092post\u3057\u307e\u3059\u3002<\/p>\n
\r\n<script type="text\/javascript">\r\nfunction callbackForJsonpApi(s) {\r\n  window.postMessage( JSON.stringify(s), '*');\r\n}\r\n<\/script>\r\n<\/pre>\n
\u4eca\u56de\u7528\u610f\u3057\u305fHTML\u3067\u306f\u3001JSONP\u3067\u53d6\u308a\u51fa\u3057\u305f\u5024\u306b\u3064\u3044\u3066\u7d50\u679c\u8868\u793a\u3092\u3059\u308b\u3088\u3046\u306b\u3001Dart\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3042\u308f\u305b\u3066\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n
\r\n<html>\r\n  <head>\r\n    <title>jsonp<\/title>\r\n  <\/head>\r\n  <body>\r\n    <h1>jsonp<\/h1>\r\n    <h2 id="status">dart is not running<\/h2>\r\n<script type="text\/javascript">\r\nfunction callbackForJsonpApi(s) {\r\n  window.postMessage( JSON.stringify(s), '*');\r\n}\r\n<\/script>\r\n    <script type="application\/dart" src="jsonp.dart"><\/script>\r\n    <script src="http:\/\/dart.googlecode.com\/svn\/branches\/bleeding_edge\/dart\/client\/dart.js"><\/script>\r\n  <\/body>\r\n<\/html>\r\n<\/pre>\n
\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\r\njsonp\r\n\r\nsample1 ... sample1\r\nsample2 ... sample2\r\nsample3 ... http:\/\/example.jp\/\r\nsample4 responseStatus ... 200\r\nsample4 moreResultsUrl ... http:\/\/example.jp\/\r\ne.data responseStatus ... 200\r\ne.data results[0] url ... http%3A%2F%2Fwww.afpbb.com%2Farticle%2Flife-culture%2Freligion%2F2866309%2F8663407%3Fctm_campaign%3Dtxt_topics\r\n<\/pre>\n
\u9762\u767d\u3044\u3067\u3059\u306d\u3047\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Seth Ladd’s Blog: JSONP with Dart\u306bJSONP\u3092Dart\u3067\u4f7f\u3046\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u304c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u304b\u3001\u78ba\u8a8d\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[638,674,1209],"class_list":["post-9267","post","type-post","status-publish","format-standard","hentry","category-program","tag-dart","tag-jsonp","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/9267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=9267"}],"version-history":[{"count":4,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/9267\/revisions"}],"predecessor-version":[{"id":9269,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/9267\/revisions\/9269"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=9267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=9267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=9267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}