{"id":4171,"date":"2023-08-21T15:08:38","date_gmt":"2023-08-21T07:08:38","guid":{"rendered":"https:\/\/www.zhidianwl.net\/zhidianwl\/?p=4171"},"modified":"2023-08-21T15:08:38","modified_gmt":"2023-08-21T07:08:38","slug":"app-can%e5%bc%80%e5%8f%91%e8%af%bb%e5%8f%96xml%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.net\/zhidianwl\/2023\/08\/21\/app-can%e5%bc%80%e5%8f%91%e8%af%bb%e5%8f%96xml%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0%e7%9a%84%ef%bc%9f\/","title":{"rendered":"app can\u5f00\u53d1\u8bfb\u53d6xml\u600e\u4e48\u5b9e\u73b0\u7684\uff1f"},"content":{"rendered":"

App Can\u662f\u4e00\u79cd\u4e13\u7528\u4e8e\u79fb\u52a8\u7aef\u5f00\u53d1\u7684\u8de8\u5e73\u53f0\u5f00\u53d1\u5de5\u5177\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u8be5\u5e73\u53f0\u4e0a\u4f7f\u7528JavaScript\u8fdb\u884c\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002\u5728\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u8bfb\u53d6\u548c\u89e3\u6790XML\u6587\u4ef6\uff0cApp Can\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8bfb\u53d6XML\u6587\u4ef6\u3002<\/p>\n

XML\u662f\u4e00\u79cd\u7c7b\u4f3c\u4e8eHTML\u7684\u6807\u8bb0\u8bed\u8a00\uff0c\u7528\u4e8e\u63cf\u8ff0\u548c\u4f20\u8f93\u6570\u636e\u3002\u53ef\u4ee5\u7528\u4e8e\u8868\u793a\u4efb\u4f55\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u89c6\u9891\u7b49\u7b49\u3002\u5728\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0cXML\u6587\u4ef6\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u914d\u7f6e\u4fe1\u606f\u3001\u7528\u6237\u6570\u636e\u7b49\u7b49\u3002\u8981\u5728App Can\u4e2d\u8bfb\u53d6XML\u6587\u4ef6\uff0c\u9700\u8981\u4f7f\u7528App Can\u63d0\u4f9b\u7684API\u3002<\/p>\n

\u9996\u5148\uff0c\u9700\u8981\u4f7f\u7528App Can\u63d0\u4f9b\u7684AJAX API\u6765\u52a0\u8f7dXML\u6587\u4ef6\u3002AJAX\u662f\u4e00\u79cd\u7528\u4e8e\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fdb\u884c\u5f02\u6b65\u6570\u636e\u4ea4\u6362\u7684\u6280\u672f\u3002\u5728App Can\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528AJAX API\u6765\u5f02\u6b65\u5730\u83b7\u53d6XML\u6587\u4ef6\u3002\u4ee5\u4e0b\u4ee3\u7801\u662f\u4e00\u4e2a\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u83b7\u53d6XML\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n

“`javascript<\/p>\n

var xhr = Ti.Network.createHTTPClient();<\/p>\n

xhr.onload = function(){<\/p>\n

\/\/ \u5904\u7406XML\u6587\u4ef6<\/p>\n

};<\/p>\n

xhr.onerror = function(){<\/p>\n

alert(‘\u7f51\u7edc\u8fde\u63a5\u9519\u8bef’);<\/p>\n

};<\/p>\n

xhr.open(‘GET’, ‘http:\/\/example.com\/example.xml’);<\/p>\n

xhr.send();<\/p>\n

“`<\/p>\n

\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0ccreateHTTPClient()\u65b9\u6cd5\u7528\u4e8e\u521b\u5efa\u4e00\u4e2aHTTP\u8bf7\u6c42\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u901a\u8fc7\u8bbe\u7f6eonload\u56de\u8c03\u51fd\u6570\u5904\u7406XML\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u5982\u679c\u51fa\u73b0\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eonerror\u56de\u8c03\u51fd\u6570\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002<\/p>\n

\u4e00\u65e6\u6210\u529f\u83b7\u53d6XML\u6587\u4ef6\uff0c\u5c31\u9700\u8981\u4f7f\u7528App Can\u63d0\u4f9b\u7684XML\u89e3\u6790\u5e93\u6765\u89e3\u6790XML\u6587\u4ef6\u3002App Can\u63d0\u4f9b\u4e86\u4e24\u79cd\u89e3\u6790XML\u6587\u4ef6\u7684\u65b9\u5f0f\uff1aDOM\u89e3\u6790\u548cSAX\u89e3\u6790\u3002DOM\u89e3\u6790\u662f\u4e00\u79cd\u57fa\u4e8e\u8282\u70b9\u6811\u7684\u89e3\u6790\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5c06\u6574\u4e2aXML\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u8282\u70b9\u6811\u6765\u8868\u793aXML\u6587\u4ef6\u3002SAX\u89e3\u6790\u5219\u662f\u4e00\u79cd\u9010\u884c\u89e3\u6790XML\u6587\u4ef6\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4e00\u884c\u4e00\u884c\u5730\u8bfb\u53d6XML\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7\u4e8b\u4ef6\u89e6\u53d1\u5668\u5904\u7406XML\u6587\u4ef6\u3002<\/p>\n

DOM\u89e3\u6790\u7684\u4f18\u70b9\u662f\u89e3\u6790\u901f\u5ea6\u8f83\u5feb\uff0c\u53ef\u4ee5\u5728\u5185\u5b58\u4e2d\u968f\u610f\u8bbf\u95eeXML\u6587\u4ef6\u4e2d\u7684\u8282\u70b9\u548c\u5c5e\u6027\u3002\u4f46APP<\/a>\u662f\uff0c\u5982\u679cXML\u6587\u4ef6\u8f83\u5927\uff0c\u5c06\u4f1a\u6d88\u8017\u5927\u91cf\u7684\u5185\u5b58\u8d44\u6e90\u3002\u4f7f\u7528DOM\u89e3\u6790\u7684\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

“`javascript<\/p>\n

var xhr = Ti.Network.createHTTPClient();<\/p>\n

xhr.onload = function(){<\/p>\n

var doc = this.responseXML;<\/p>\n

var nodes = doc.getElementsByTagName(‘node’);<\/p>\n

for(var i = 0, len = nodes.length; i <\/p>\n

var node = nodes.item(i);<\/p>\n

\/\/ \u5904\u7406\u8282\u70b9\u6570\u636e<\/p>\n

}<\/p>\n

};<\/p>\n

xhr.onerror = function(){<\/p>\n

alert(‘\u7f51\u7edc\u8fde\u63a5\u9519\u8bef’);<\/p>\n

};<\/p>\n

xhr.open(‘GET’, ‘http:\/\/example.com\/example.xml’);<\/p>\n

xhr.send();<\/p>\n

“`<\/p>\n

\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cresponseXML\u5c5e\u6027\u53ef\u4ee5\u5c06XML\u6587\u4ef6\u8f6c\u6362\u4e3aDOM\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528getElementsByTagName()\u65b9\u6cd5\u83b7\u53d6\u6240\u6709\u7b26\u5408\u6761\u4ef6\u7684\u8282\u70b9\uff0c\u5e76\u4f7f\u7528item()\u65b9\u6cd5\u83b7\u53d6\u5355\u4e2a\u8282\u70b9APP\u5f00\u53d1<\/a>\u6570\u636e\u3002<\/p>\n

SAX\u89e3\u6790\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u5904\u7406\u5927\u578bXML\u6587\u4ef6\uff0c\u4e0d\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\u8d44\u6e90\u3002\u4f46\u662f\uff0c\u8981\u7f16\u5199\u4e00\u4e9b\u590d\u6742\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406XML\u6587\u4ef6\u3002\u4f7f\u7528SAX\u89e3\u6790\u7684\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

“`javascript<\/p>\n

var xhr = Ti.Network.createHTTPClient();<\/p>\n

xhr.onload = function(){<\/p>\n

var parser = Ti.XML.Parser.crea<\/p>\n

<\/figure>\n<\/p>\n

teParser(Ti.XML.TEXT_NODE, null);<\/p>\n

parser.addEventListener(‘startelement’, function(evt){<\/p>\n

var name = evt.elementName;<\/p>\n

var attrs = evt.attributes;<\/p>\n

\/\/ \u5904\u7406\u5143\u7d20\u548c\u5c5e\u6027\u6570\u636e<\/p>\n

});<\/p>\n

parser.parseString(this.responseText);<\/p>\n

};<\/p>\n

xhr.onerror = function(){<\/p>\n

alert(‘\u7f51\u7edc\u8fde\u63a5\u9519\u8bef’);<\/p>\n

};<\/p>\n

xhr.open(‘GET’, ‘http:\/\/example.com\/example.xml’);<\/p>\n

xhr.send();<\/p>\n

“`<\/p>\n

\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0ccreateParser()\u65b9\u6cd5\u7528\u4e8e\u521b\u5efa\u4e00\u4e2aSAX\u89e3\u6790\u5668\u3002\u7136\u540e\uff0c\u4f7f\u7528addEventListener()\u65b9\u6cd5\u7ed1\u5b9a\u4e8b\u4ef6\u5904\u7406\u5668\u3002\u4e8b\u4ef6\u7c7b\u578b\u5305\u62ecstartdocument\u3001enddocument\u3001startelement\u3001endelement\u7b49\u7b49\u3002<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f7f\u7528App Can\u8bfb\u53d6XML\u6587\u4ef6\u7684\u8fc7\u7a0b\u6bd4\u8f83\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4f7f\u7528AJAX API\u6765\u52a0\u8f7dXML\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528DOM\u6216SAX\u89e3\u6790\u5668\u6765\u89e3\u6790XML\u6587\u4ef6\u5373\u53ef\u3002\u5bf9\u4e8e\u7edd\u5927\u90e8\u5206\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u4f7f\u7528DOM\u89e3\u6790\u5668\u5373\u53ef\u6ee1\u8db3\u9700\u6c42\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\uff0c\u4f8b\u5982\u5904\u7406\u5927\u578bXML\u6587\u4ef6\uff0c\u4f7f\u7528SAX\u89e3\u6790\u5668\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

App Can\u662f\u4e00\u79cd\u4e13\u7528\u4e8e\u79fb\u52a8\u7aef\u5f00\u53d1\u7684\u8de8\u5e73\u53f0\u5f00\u53d1\u5de5\u5177\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u8be5\u5e73\u53f0\u4e0a\u4f7f\u7528JavaScript\u8fdb\u884c\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002\u5728\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u8bfb\u53d6\u548c\u89e3\u6790XML\u6587\u4ef6\uff0cApp Can\u63d0\u4f9b<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1274,12,281,6444,2290],"topic":[],"class_list":{"0":"post-4171","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-kaifaapp","7":"tag-app","8":"tag-12","9":"tag-281","11":"tag-2290"},"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/4171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=4171"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/4171\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=4171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=4171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=4171"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=4171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}