{"id":435,"date":"2022-03-21T22:39:29","date_gmt":"2022-03-21T13:39:29","guid":{"rendered":"http:\/\/160.251.208.217\/?p=435"},"modified":"2022-11-19T19:29:25","modified_gmt":"2022-11-19T10:29:25","slug":"xpath-edge","status":"publish","type":"post","link":"https:\/\/it-dxblog.com\/blog\/xpath-edge\/","title":{"rendered":"\u3010JavaScript\u3011XPath\u3092\u4f7f\u7528\u3059\u308b#1\u3000\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8\u7de8"},"content":{"rendered":"\n

XML\u306e\u8aad\u8fbc\u307f\u3068XSL\u5909\u63db\u3067\u304d\u305f\u306e\u3067\u3001IE\u21d2Edge\u5bfe\u5fdc\u306f\u3053\u308c\u306b\u3066<\/a>\u4e00\u4ef6\u843d\u7740\u3068\u601d\u3063\u305f\u3089\u3001XPath<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\"\u3072\u308d\u3074\u3088\"
\u3072\u308d\u3074\u3088<\/div><\/div>
\n

\u5f53\u7136\u52d5\u304b\u306a\u3044\u2026<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n


XPath\u306e\u9069\u7528<\/strong>\u306bSelectNodes<\/strong>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001XML\u306e\u8aad\u8fbc\u307f\u3092XMLHttpRequest\u306b\u5909\u66f4\u3057\u305f\u305f\u3081\u304b\u3001SelectNodes\u30e1\u30bd\u30c3\u30c9\u304c\u4f7f\u3048\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u3061\u3089\u3082\u6539\u4fee\u3057\u305f\u306e\u3067\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf<\/span><\/span><\/h2>\n\n\n\n

\u3044\u308d\u3044\u308d\u3068\u8abf\u3079\u305f\u3068\u3053\u308ddocument.evaluate\u30e1\u30bd\u30c3\u30c9<\/strong>\u304c\u4f7f\u3048\u307e\u3057\u305f\u3002
\u3068\u308a\u3042\u3048\u305a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n

\u4f7f\u7528\u3059\u308bXML\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002
\u203b\u30d5\u30a1\u30a4\u30eb\u540d\u306fplayer.xml<\/p>\n\n\n\n

<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<team>\n  <name>\u30aa\u30ea\u30c3\u30af\u30b9\u30fb\u30d0\u30c3\u30d5\u30a1\u30ed\u30fc\u30ba<\/name>\n  <players>\n    <player>\n      <position>\u6295\u624b<\/position>\n      <name>yamamoto<\/name>\n    <\/player>\n    <player>\n      <position>\u6295\u624b<\/position>\n      <name>miyagi<\/name>\n    <\/player>\n    <player>\n      <position>\u5185\u91ce\u624b<\/position>\n      <name>okada<\/name>\n    <\/player>    \n    <player>\n      <position>\u5185\u91ce\u624b<\/position>\n      <name>adachi<\/name>\n    <\/player>\n    <player>\n      <position>\u5185\u91ce\u624b<\/position>\n      <name>mune<\/name>\n    <\/player>\n    <player>\n      <position>\u5185\u91ce\u624b<\/position>\n      <name>kurebayashi<\/name>\n    <\/player>\n    <player>\n      <position>\u5916\u91ce\u624b<\/position>\n      <name>yoshida<\/name>\n    <\/player>\n    <player>\n      <position>\u5916\u91ce\u624b<\/position>\n      <name>sugimoto<\/name>\n    <\/player>\n    <player>\n      <position>\u5916\u91ce\u624b<\/position>\n      <name>fukuda<\/name>\n    <\/player>\n  <\/players>\n<\/team><\/code><\/pre><\/div>\n\n\n\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/span><\/span><\/h2>\n\n\n\n
\u7d9a\u3044\u3066HTML\u3068JavaScript\u3067\u3059\u3002
\u4e0a\u8a18\u306eXML\u3068\u4f75\u305b\u3066Web\u30b5\u30fc\u30d0\u30fc<\/strong>\u4e0a\u306b\u4fdd\u7ba1\u3057\u3066\u8868\u793a\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002
\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3060\u3068\u52d5\u4f5c\u3057\u306a\u3044\u306e\u3067\u6ce8\u610f<\/span><\/strong>\u3067\u3059\u3002
35\u884c\u76ee\u3067document.evaluate\u30e1\u30bd\u30c3\u30c9<\/strong><\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\u4eca\u56de\u306e\u30b3\u30fc\u30c9\u3067\u306fXML\u304b\u3089\u5916\u91ce\u624b\u3092XPath\u3092\u9069\u7528\u3057\u3066\u62bd\u51fa\u3057\u3066\u3044\u307e\u3059\u3002
\u203b\u81ea\u4f5c\u95a2\u6570\u306f\u3001\u95a2\u6570\u540d\u3092\u300cmy_\u300d\u304b\u3089\u59cb\u3081\u3066\u3042\u308a\u307e\u3059
\u203bEdge\u3001Google Chrome\u3067\u52d5\u4f5c\u78ba\u8a8d\u6e08<\/p>\n\n\n\n
<!DOCTYPE html>\n\n<html>\n    <head>\n        <script>\n            \/\/ onload\u6642\u306b\u5b9f\u884c\n            function my_onLoad(){\n\n                const objXml = my_loadXML('.\/player.xml');\n\n                let outfielder_list = my_getPlayer(objXml, '\u5916\u91ce\u624b');\n\n                document.write('<h3>\u5916\u91ce\u624b\u4e00\u89a7<\/h3>');\n                for (let i=0; i<outfielder_list.length; i++){\n                    document.write(outfielder_list[i] + '<br>');\n                }\n            }\n\n            \/\/ XML\u3092\u8aad\u307f\u8fbc\u3080\n            \/\/ path : \u8aad\u307f\u8fbc\u3080XML\u306e\u30d1\u30b9\n            function my_loadXML(path){\n                let objXml = new XMLHttpRequest();\n                objXml.open('GET', path, false);\n                objXml.send('');\n                return objXml.responseXML;\n            }\n\n            \/\/ position\u3067\u6307\u5b9a\u3057\u305f\u9078\u624b\u3092\u914d\u5217\u3067\u8fd4\u3059\n            function my_getPlayer(objXml, position) {\n\n                \/\/ XPath\u3092\u4f5c\u6210\n                let xPath = \"\/\/player\/name[..\/position='\" + position + \"']\";\n\n                \/\/ XPath\u3092\u9069\u7528\n                let result = objXml.evaluate(xPath, objXml, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);\n\n                \/\/ XPath\u3092\u9069\u7528\u3057\u305f\u7d50\u679c\u3092\u914d\u5217\u306b\u4fdd\u5b58\n                let result_list = new Array();\n                let r;\n                while (r = result.iterateNext()) {\n                    result_list.push(r.textContent);\n                }\n                return result_list;\n            }\n        <\/script>\n    <\/head>\n    <body onload='my_onLoad()'>\n    <\/body>\n<\/html><\/code><\/pre><\/div>\n\n\n\n
\u5b9f\u969b\u306b\u5b9f\u884c\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u69d8\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
document.evaluate\u30e1\u30bd\u30c3\u30c9\u306e\u69cb\u6587\u3068\u5f15\u6570<\/span><\/span><\/h2>\n\n\n\n
var resultNode = document.evaluate(\n\u3000\u3000xpathExpression,\n\u3000\u3000contextNode,\n\u3000\u3000namespaceResolver,\n\u3000\u3000resultType,\n\u3000\u3000result\n);<\/code><\/pre>\n\n\n
\n
\u5f15\u6570\u540d<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
xpathExpression\u3000\u203b\u5fc5\u9808<\/strong><\/td>XPath<\/td><\/tr>
contextNode\u3000\u203b\u5fc5\u9808<\/strong><\/td>XPath\u3092\u9069\u7528\u3059\u308b\u30ce\u30fc\u30c9<\/td><\/tr>
namespaceResolver<\/td>\u4efb\u610f\u306e\u540d\u524d\u7a7a\u9593\u63a5\u982d\u8f9e\u3000\u203bnull\u3067\u3088\u3055\u305d\u3046<\/td><\/tr>
returnType<\/td>XPath\u3092\u9069\u7528\u3057\u305f\u623b\u308a\u5024\u306e\u7a2e\u985e\u3092\u6307\u5b9a<\/td><\/tr>
result<\/td>\u65e2\u5b58\u306e XPathResult \u3000\u203bnull\u3067\u3088\u3055\u305d\u3046<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n
returnType<\/strong>\uff08\u623b\u308a\u5024\u306e\u7a2e\u985e\uff09\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u5024<\/span><\/span><\/h2>\n\n\n
\n
\u5b9a\u6570<\/th>\u5024<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
ANY_TYPE<\/td>0<\/td>\u623b\u308a\u5024\u3092\u81ea\u52d5\u5224\u5225<\/td><\/tr>
NUMBER_TYPE<\/td>1<\/td>\u6570\u5024\u3001count()\u306a\u3069\u3067\u4f7f\u7528<\/td><\/tr>
STRING_TYPE<\/td>2<\/td>\u6587\u5b57\u5217<\/td><\/tr>
BOOLEAN_TYPE<\/td>3<\/td>\u30d6\u30fc\u30eb\u5024<\/td><\/tr>
UNORDERED_NODE_ITERATOR_TYPE<\/td>4<\/td>\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u9806\u5e8f\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308b
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u7121\u52b9\u306b\u306a\u308b<\/td><\/tr>
ORDERED_NODE_ITERATOR_TYPE<\/td>5<\/td>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u9806\u306e\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059<\/td><\/tr>
UNORDERED_NODE_SNAPSHOT_TYPE<\/td>6<\/td>\u30ce\u30fc\u30c9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u9806\u5e8f\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308b<\/td><\/tr>
ORDERED_NODE_SNAPSHOT_TYPE<\/td>7<\/td>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u9806\u306e\u30ce\u30fc\u30c9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8<\/td><\/tr>
ANY_UNORDERED_NODE_TYPE<\/td>8<\/td>XPath\u306b\u4e00\u81f4\u3059\u308b\u5358\u4e00\u306e\u30ce\u30fc\u30c9
\u203b\u6700\u521d\u306e\u30ce\u30fc\u30c9\u3068\u306f\u9650\u3089\u306a\u3044<\/td><\/tr>
FIRST_ORDERED_NODE_TYPE<\/td>9<\/td>XPath\u306b\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u30ce\u30fc\u30c9<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n
<\/i>\u53c2\u8003<\/span>Document Object Model XPathW3C \u2013 XPathResult<\/span><\/span><\/a><\/div>\n\n\n\n
<\/i> \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u306f<\/div>
\n
XPath\u3092\u9069\u7528\u3059\u308bXML\u306e\u3053\u3068\u3067\u3059<\/p>\n<\/div><\/div>\n\n\n\n
<\/i> \u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u306f<\/div>
\n
\u53cd\u5fa9\u51e6\u7406\u306e\u3053\u3068\u3067\u3059<\/p>\n<\/div><\/div>\n\n\n\n
<\/i> \u5f15\u6570\u3067\u6307\u5b9a\u3059\u308b\u3068\u304d\u306f<\/div>
\n
XPathResult.ORDERED_NODE_ITERATOR_TYPE<\/strong>\u306e\u69d8\u306b\u3001\u982d\u306bXPathResult<\/span><\/strong>\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n<\/div><\/div>\n\n\n\n
\u500b\u4eba\u7684\u306b\u3067\u3059\u304c\u3001\u3088\u304f\u4f7f\u3044\u305d\u3046\u306a\u306e\u306f\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8<\/strong>\u3068\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8<\/strong>\u306a\u6c17\u304c\u3057\u307e\u3059\u3002
\u4eca\u56de\u306f\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8\uff08ORDERED_NODE_ITERATOR_TYPE<\/strong>\uff09\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002
\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\uff08ORDERED_NODE_SNAPSHOT_TYPE<\/strong>\uff09\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306f\u3053\u3061\u3089<\/a>
\u203b\u30ce\u30fc\u30c9\u30bb\u30c3\u30c8\u3068\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3067\u306f\u7d50\u679c\u306e\u53d6\u308a\u51fa\u3057\u65b9\u304c\u9055\u3044\u307e\u3059<\/span><\/strong><\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
XML\u306e\u8aad\u8fbc\u307f\u3068XSL\u5909\u63db\u3067\u304d\u305f\u306e\u3067\u3001IE\u21d2Edge\u5bfe\u5fdc\u306f\u3053\u308c\u306b\u3066\u4e00\u4ef6\u843d\u7740\u3068\u601d\u3063\u305f\u3089\u3001XPath\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3057\u305f\u3002 XPath\u306e\u9069\u7528\u306bSelectNodes\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001XML\u306e\u8aad\u8fbc\u307f\u3092 … <\/p>\n","protected":false},"author":1,"featured_media":2093,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[8],"tags":[32],"class_list":["post-435","post","type-post","status-publish","format-standard","has-post-thumbnail","category-javascript","tag-xml","entry"],"_links":{"self":[{"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/posts\/435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/comments?post=435"}],"version-history":[{"count":5,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/posts\/435\/revisions"}],"predecessor-version":[{"id":2095,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/posts\/435\/revisions\/2095"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/media\/2093"}],"wp:attachment":[{"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/media?parent=435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/categories?post=435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/it-dxblog.com\/blog\/wp-json\/wp\/v2\/tags?post=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}