{"id":10917,"date":"2020-06-07T19:31:54","date_gmt":"2020-06-07T10:31:54","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=10917"},"modified":"2023-05-27T23:57:34","modified_gmt":"2023-05-27T14:57:34","slug":"%e3%80%90vue-js%e3%80%91%e3%80%8c%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%a0%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%86%e3%82%a3%e3%83%96%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=10917","title":{"rendered":"\u3010Vue.js\u3011\u300c\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u300d\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3068\u306f\uff1f<\/h2>\n<p>\u81ea\u5206\u3067v\u304b\u3089\u59cb\u307e\u308bVue.js\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f5c\u308b\u4e8b\u304c\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002Vue.js\u306e\u6a19\u6e96\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u306fDOM\u64cd\u4f5c\u7b49\u3092\u81ea\u5206\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306f\u307b\u307c\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u306f<span style=\"color: #ff0000;\"><strong>\u30ac\u30f3\u30ac\u30f3\u4f4e\u30ec\u30d9\u30eb\u306eDOM\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u7b49\u3092\u81ea\u5206\u3067\u6271\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n<h2>\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p><span style=\"color: #ff0000;\"><strong>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u62bd\u8c61\u5316\u3057\u3066\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u5834\u5408<\/strong><\/span>\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<h2>\u30d5\u30c3\u30af\u95a2\u6570<\/h2>\n<p>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306e\u4e2d\u306b\u306f5\u3064\u306e\u30d5\u30c3\u30af\u95a2\u6570\u3092\u914d\u7f6e\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u91cd\u8981\u306a\u95a2\u6570\u306f<span style=\"color: #ff0000;\"><strong>bind<\/strong><\/span>\u3068<span style=\"color: #ff0000;\"><strong>update<\/strong><\/span>\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u521d\u671f\u5316\u3055\u308c\u306a\u3044\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306f\u306a\u3044\u3067\u3059\u3057\u3001\u4f55\u304b\u30c7\u30fc\u30bf\u3092\u5909\u5316\u3055\u305b\u308b\u305f\u3081\u306b\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u95a2\u6570\u540d<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<tr>\n<td>bind<\/td>\n<td>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u521d\u3081\u3066\u5bfe\u8c61\u306e\u8981\u7d20\u306b\u521d\u3081\u3066\u7d10\u3065\u3044\u305f\u6642\u306b\u547c\u3070\u308c\u308b\u3002\u4f8b\u3048\u3070\u3001\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u30bf\u30b0\u306b\u8a18\u8ff0\u3057\u3066\u521d\u3081\u3066\u547c\u3070\u308c\u305f\u969b\u306b1\u5ea6\u3060\u3051\u547c\u3070\u308c\u307e\u3059\u3002Vue\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3044\u3046created\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>inserted<\/td>\n<td>\u89aa\u306eVNode\u306eDOM\u306b\u5b9f\u969b\u306b\u633f\u5165\u3055\u308c\u305f\u6642\u3002Vue\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3044\u3046mounted\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>update<\/td>\n<td>\u89aa\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5c11\u3057\u3067\u3082\u66f4\u65b0\u3055\u308c\u305f\u5834\u5408\uff08\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u307e\u3060\u5f71\u97ff\u306a\u3057\uff09<\/td>\n<\/tr>\n<tr>\n<td>componentUpdate<\/td>\n<td>\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3082\u542b\u3081\u3066\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408<\/td>\n<\/tr>\n<tr>\n<td>unbind<\/td>\n<td>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u8a00\u3046\u3068\u3053\u308d\u306edestroy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u66f8\u304d\u65b9<\/h2>\n<p>main.js\u306b\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u5fc5\u305a\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u306fbind\u3068update\u306a\u306e\u3067\u305d\u308c\u4ee5\u5916\u306f\u4e00\u65e6\u6d88\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:default decode:true\">Vue.directive(\"\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u540d\", {\r\n  bind(el, binding, vnode) {\r\n  },\r\n  inserted(el, binding, vnode) {\r\n  },\r\n  update(el, binding, vnode, oldVnode) {\r\n  },\r\n  componentUpdate(el, binding, vnode, oldVnode) {\r\n  },\r\n  unbind(el, binding, vnode) {\r\n  }\r\n})<\/pre>\n<h3>\u7701\u7565\u8a18\u6cd5<\/h3>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u5f15\u6570\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u306a\u304f\u95a2\u6570\u3092\u53d6\u308b\u8a18\u8ff0\u6cd5\u306b\u3082\u3059\u308b\u4e8b\u304c\u3067\u304d\u3053\u306e\u65b9\u304c\u3080\u3057\u308d\u4e00\u822c\u7684\u306a\u66f8\u304d\u65b9\u3067\u3059\u3002\uff08\u95a2\u6570\u306e\u5f15\u6570\u306fel\u3068binding\u4ee5\u5916\u306f\u3042\u307e\u308a\u4f7f\u308f\u306a\u3044\u306e\u3067\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n<pre class=\"lang:default decode:true\">Vue.directive(\"border\", function (el, binding) {\r\n})<\/pre>\n<h3>el<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>\u305d\u306e\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u7d10\u3065\u304f\u8981\u7d20<\/strong><\/span>\u306e\u3053\u3068\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070div\u30bf\u30b0\u3067\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f7f\u3063\u3066\u3044\u305f\u5834\u5408\u306fdiv\u30bf\u30b0\u3092\u793a\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>\u4f8b<\/h4>\n<p>\u4f8b\u3048\u3070\u3001\u8981\u7d20\u306bborder\u3092\u3064\u3051\u308b\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f5c\u308b\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u4e0b\u8a18\u306e\u4f8b\u306fJavaScript\u3067DOM\u3092\u76f4\u63a5\u64cd\u4f5c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">Vue.directive(\"border\", function (el) {\r\n  el.style.border = \"solid blue 1px\";\r\n})<\/pre>\n<p>\u4e0b\u8a18\u306f\u547c\u3073\u51fa\u3059\u5074\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \"> &lt;img v-border alt=\"Vue logo\" src=\".\/assets\/logo.png\"&gt;<\/pre>\n<h3>binding<\/h3>\n<h4>\u4f8b<\/h4>\n<p>DOM\u306b\u5bfe\u3057\u3066\u67a0\u7dda\u306e\u8272\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">Vue.directive(\"border\", function (el, binding) {\r\n  el.style.border = \"solid black 2px\";\r\n  el.style.borderColor = binding.value;\r\n})<\/pre>\n<p>\u6e21\u3059\u5074\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">    &lt;img v-border=\"'red'\" alt=\"Vue logo\" src=\".\/assets\/logo.png\"&gt;<\/pre>\n<p>\u8907\u6570\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">Vue.directive(\"border\", function (el, binding) {\r\n  el.style.border = \"solid black 2px\";\r\n  el.style.borderWidth = binding.value.width;\r\n  el.style.borderColor = binding.value.color;\r\n})<\/pre>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u8907\u6570\u9805\u76ee\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u8907\u6570\u9805\u76ee\u3092\u6e21\u3059\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;img v-border=\"{color: 'red',width: '6px'}\" alt=\"Vue logo\" src=\".\/assets\/logo.png\"&gt;<\/pre>\n<h4>\u5f15\u6570\u3092\u6e21\u3059<\/h4>\n<pre class=\"lang:default decode:true \">Vue.directive(\"border\", function (el, binding) {\r\n  console.log(binding.arg)\r\n})<\/pre>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u300c:\u5f15\u6570\u300d\u3068\u3057\u3066\u6e21\u3057\u307e\u3059\u3002\uff08\u4f8b\u3067\u306fabc\u3068\u8a00\u3046\u6587\u5b57\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n<pre class=\"lang:default decode:true \">    &lt;img v-border:abc=\"{color: 'red',width: '6px'}\" alt=\"Vue logo\" src=\".\/assets\/logo.png\"&gt;<\/pre>\n<h4>\u4fee\u98fe\u5b50\u3092\u4f7f\u3046<\/h4>\n<p>\u4efb\u610f\u306e\u4fee\u98fe\u5b50\u3092\u8ffd\u52a0\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u4e0b\u8a18\u306e\u4f8b\u3067\u306ffgc\u3068\u8a00\u3046\u5024\u304c\u4fee\u98fe\u5b50\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">    &lt;img v-border:abc.fgc=\"{color: 'red',width: '6px'}\" alt=\"Vue logo\" src=\".\/assets\/logo.png\"&gt;<\/pre>\n<p>\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306e\u51e6\u7406\u5074\u3067\u306f\u4fee\u98fe\u5b50\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002\u4fee\u98fe\u5b50\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070true\u304c\u8fd4\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">Vue.directive(\"border\", function (el, binding) {\r\n  console.log(binding.modifiers.fgc);\r\n})<\/pre>\n<h2>\u30ed\u30fc\u30ab\u30eb\u767b\u9332<\/h2>\n<p>\u4eca\u307e\u3067\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u767b\u9332\u3092\u3057\u3066\u5168\u3066\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u5171\u901a\u3057\u3066\u4f7f\u3048\u308b\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u767b\u9332\u3059\u308b\u65b9\u6cd5\u3092\u8a18\u8ff0\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u305d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u307f\u3067\u4f7f\u3048\u308b\u30ed\u30fc\u30ab\u30eb\u306e\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">&lt;script&gt;\r\nexport default {\r\n  directives: {\r\n    \u95a2\u6570\u540d(el,binding) {\r\n      el.style.border = \"solid black 2px\";\r\n    }\r\n  }\r\n}\r\n&lt;\/script&gt;<\/pre>\n<p>\u305f\u3060\u3001\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ed\u30fc\u30ab\u30eb\u3067\u4f7f\u7528\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066<span style=\"color: #ff0000;\"><strong>this\u306b\u3088\u308a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f<\/strong><\/span>\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3068\u306f\uff1f \u81ea\u5206\u3067v\u304b\u3089\u59cb\u307e\u308bVue.js\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f5c\u308b\u4e8b\u304c\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002Vue.js\u306e\u6a19\u6e96\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u306fDOM\u64cd\u4f5c\u7b49\u3092\u81ea\u5206\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306f\u307b\u307c\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u30ab\u30b9\u30bf\u30e0\u30c7\u30a3\u30ec\u30af\u30c6\u30a3 [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[60],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10917"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10917"}],"version-history":[{"count":15,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10917\/revisions"}],"predecessor-version":[{"id":20620,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10917\/revisions\/20620"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10917"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}