{"id":38432,"date":"2023-09-03T13:59:42","date_gmt":"2023-12-15T02:46:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/rails%e3%80%81coffeescript-%e4%bd%bf%e7%94%a8class%e8%bf%9b%e8%a1%8c%e5%b0%81%e8%a3%85%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%e7%ae%a1%e7%90%86%e3%80%82\/"},"modified":"2024-04-30T21:23:22","modified_gmt":"2024-04-30T13:23:22","slug":"rails%e3%80%81coffeescript-%e4%bd%bf%e7%94%a8class%e8%bf%9b%e8%a1%8c%e5%b0%81%e8%a3%85%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%e7%ae%a1%e7%90%86%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/rails%e3%80%81coffeescript-%e4%bd%bf%e7%94%a8class%e8%bf%9b%e8%a1%8c%e5%b0%81%e8%a3%85%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%e7%ae%a1%e7%90%86%e3%80%82\/","title":{"rendered":"Rails\u3001CoffeeScript- \u4f7f\u7528class\u8fdb\u884c\u5c01\u88c5\u4ee5\u8fdb\u884c\u547d\u540d\u7a7a\u95f4\u7ba1\u7406"},"content":{"rendered":"<h1>\u8fc7\u7a0b<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u5909\u6570\u540d\u304c\u885d\u7a81\u3057\u306a\u3044\u3088\u3046\u3001\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u7ba1\u7406\u3092\u3084\u308b\u3079\u304d\u3089\u3057\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JS\u306f\u591a\u7528\u3057\u306a\u3044\u306e\u3067\u3001\u53ef\u80fd\u3067\u3042\u308c\u3070Rails\u30b5\u30a4\u30c9\u3067\u89e3\u6c7a\u3057\u305f\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4eca\u5f8c\u306f\u610f\u8b58\u3057\u3066\u5b9f\u8df5\u3057\u3066\u3044\u304d\u305f\u3044\u306e\u3067\u30e1\u30e2\u3002<\/ul>\n<h1>\u65b9\u6cd5<\/h1>\n<p>\u5728\u8fdb\u884c\u8c03\u67e5\u65f6\uff0c\u53d1\u73b0\u6709\u5f88\u591a\u79cd\u65b9\u6cd5\uff0c\u4f46\u662f\u6211\u559c\u6b22\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<h2>\u521b\u5efa\u4e00\u4e2a\u6216\u591a\u4e2a\u7528\u4e8e\u547d\u540d\u7a7a\u95f4\u7684\u76ee\u5f55\u3002<\/h2>\n<pre class=\"post-pre\"><code>\/javascripts\r\n    \/namespace    # \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u7528\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\r\n        base.coffee\r\n        charts.coffee\r\n        moving_items.coffee\r\n        [..]\r\n    application.js\r\n    namespace.js  # \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\r\n<\/code><\/pre>\n<h2>\u8bf7\u5c06\u547d\u540d\u7a7a\u95f4\u52a0\u8f7d\u5230\u8d44\u4ea7\u7ba1\u9053\u4e2d<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/= require jquery<\/span>\r\n<span class=\"c1\">\/\/= require jquery_ujs<\/span>\r\n<span class=\"c1\">\/\/= require jquery.turbolinks<\/span>\r\n<span class=\"c1\">\/\/= require bootstrap<\/span>\r\n<span class=\"c1\">\/\/= require turbolinks<\/span>\r\n<span class=\"c1\">\/\/...<\/span>\r\n<span class=\"c1\">\/\/= require namespace<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/= require .\/namespace\/base<\/span>\r\n<span class=\"c1\">\/\/= require_tree .\/namespace<\/span>\r\n<\/code><\/pre>\n<h2>\u5728base\u6587\u4ef6\u4e2d\u51c6\u5907\u547d\u540d\u7a7a\u95f4\u5bf9\u8c61\u3002<\/h2>\n<pre class=\"post-pre\"><code><span class=\"vi\">@<\/span><span class=\"na\">Namespace<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{}<\/span>\r\n\r\n<span class=\"c1\"># $(document).on \"ready page:load\", -&gt;<\/span>\r\n<span class=\"c1\">#  $('a[href^=\"\/documents\/\"]').attr('target', '_blank')<\/span>\r\n<\/code><\/pre>\n<h2>\u5c06JS\u4ee3\u7801\u5305\u88c5\u5728\u547d\u540d\u7a7a\u95f4\u4e0b\u7684\u7c7b\u4e2d<\/h2>\n<p>\u5728\u7b49\u5f85\u5b9e\u4f8b\u5316\u4e4b\u524d\uff0c\u7c7b\u5185\u7684\u4ee3\u7801\u5c06\u4f1a\u88ab\u6682\u65f6\u6401\u7f6e\u3002<\/p>\n<p>\u6784\u9020\u51fd\u6570\u8fd4\u56de\u67d0\u4e2a\u503c\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Chart.js configuration<\/span>\r\n\r\n<span class=\"nx\">Chart<\/span><span class=\"p\">.<\/span><span class=\"na\">defaults<\/span><span class=\"p\">.<\/span><span class=\"na\">global<\/span><span class=\"p\">.<\/span><span class=\"na\">tooltipEvents<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"mousemove\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"touchstart\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"touchmove\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"nx\">Chart<\/span><span class=\"p\">.<\/span><span class=\"na\">defaults<\/span><span class=\"p\">.<\/span><span class=\"na\">global<\/span><span class=\"p\">.<\/span><span class=\"na\">scaleLabel<\/span>    <span class=\"o\">=<\/span> <span class=\"s\">\"&lt;%=value%&gt;cu.ft\"<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"vi\">@<\/span><span class=\"na\">Components<\/span><span class=\"p\">.<\/span><span class=\"na\">ChartComponent<\/span>\r\n\r\n  <span class=\"na\">constructor<\/span><span class=\"o\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">chartType<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"vi\">@<\/span><span class=\"na\">createClass<\/span><span class=\"p\">(<\/span><span class=\"nx\">chartType<\/span><span class=\"p\">)<\/span>\r\n\r\n  <span class=\"na\">createClass<\/span><span class=\"o\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">chartType<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n\r\n    <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">createClass<\/span>\r\n      <span class=\"na\">displayName<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"<\/span><span class=\"si\">#{<\/span><span class=\"nx\">chartType<\/span><span class=\"si\">}<\/span><span class=\"s\">Chart\"<\/span>\r\n      <span class=\"na\">propTypes<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"o\">:<\/span>    <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">string<\/span>\r\n        <span class=\"na\">data<\/span><span class=\"o\">:<\/span>    <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">oneOfType<\/span><span class=\"p\">([<\/span><span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">array<\/span><span class=\"p\">,<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">object<\/span><span class=\"p\">])<\/span>\r\n        <span class=\"na\">height<\/span><span class=\"o\">:<\/span>  <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">number<\/span>\r\n        <span class=\"na\">width<\/span><span class=\"o\">:<\/span>   <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">number<\/span>\r\n        <span class=\"na\">options<\/span><span class=\"o\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">PropTypes<\/span><span class=\"p\">.<\/span><span class=\"na\">object<\/span>\r\n\r\n      <span class=\"na\">getInitialState<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"na\">chartInstance<\/span><span class=\"o\">:<\/span> <span class=\"no\">null<\/span>\r\n\r\n      <span class=\"na\">render<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">DOM<\/span><span class=\"p\">.<\/span><span class=\"na\">canvas<\/span>\r\n          <span class=\"na\">ref<\/span><span class=\"o\">:<\/span>   <span class=\"vi\">@<\/span><span class=\"na\">props<\/span><span class=\"p\">.<\/span><span class=\"na\">name<\/span>\r\n          <span class=\"na\">style<\/span><span class=\"o\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">height<\/span><span class=\"o\">:<\/span> <span class=\"vi\">@<\/span><span class=\"na\">props<\/span><span class=\"p\">.<\/span><span class=\"na\">height<\/span><span class=\"p\">,<\/span> <span class=\"na\">width<\/span><span class=\"o\">:<\/span> <span class=\"vi\">@<\/span><span class=\"na\">props<\/span><span class=\"p\">.<\/span><span class=\"na\">width<\/span> <span class=\"p\">}<\/span>\r\n\r\n      <span class=\"na\">componentDidMount<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"vi\">@<\/span><span class=\"na\">initializeChart<\/span><span class=\"p\">()<\/span>\r\n\r\n      <span class=\"na\">componentWillUnmount<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"vi\">@<\/span><span class=\"na\">state<\/span><span class=\"p\">.<\/span><span class=\"na\">chartInstance<\/span><span class=\"p\">.<\/span><span class=\"na\">destroy<\/span><span class=\"p\">()<\/span> <span class=\"k\">if<\/span> <span class=\"vi\">@<\/span><span class=\"na\">state<\/span><span class=\"p\">.<\/span><span class=\"na\">chartInstance<\/span>\r\n\r\n      <span class=\"na\">initializeChart<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">canvas<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"na\">findDOMNode<\/span><span class=\"p\">(<\/span><span class=\"vi\">@<\/span><span class=\"na\">refs<\/span><span class=\"p\">[<\/span><span class=\"vi\">@<\/span><span class=\"na\">props<\/span><span class=\"p\">.<\/span><span class=\"na\">name<\/span><span class=\"p\">])<\/span>\r\n        <span class=\"nx\">ctx<\/span>    <span class=\"o\">=<\/span> <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"na\">getContext<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2d\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">chart<\/span>  <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">Chart<\/span><span class=\"p\">(<\/span><span class=\"nx\">ctx<\/span><span class=\"p\">)[<\/span><span class=\"nx\">chartType<\/span><span class=\"p\">](<\/span><span class=\"vi\">@<\/span><span class=\"na\">props<\/span><span class=\"p\">.<\/span><span class=\"na\">data<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"vi\">@<\/span><span class=\"na\">setState<\/span><span class=\"p\">.<\/span><span class=\"na\">chartInstance<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">chart<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u6784\u9020\u51fd\u6570\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># moving_items\/new, moving_items\/edit<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"vi\">@<\/span><span class=\"na\">Namespace<\/span><span class=\"p\">.<\/span><span class=\"na\">MovingItems<\/span>\r\n\r\n  <span class=\"na\">constructor<\/span><span class=\"o\">:<\/span> <span class=\"o\">-&gt;<\/span>\r\n\r\n    <span class=\"nx\">setVolume<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">volume<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">\"#moving_item_volume\"<\/span><span class=\"p\">).<\/span><span class=\"na\">val<\/span><span class=\"p\">(<\/span><span class=\"nx\">volume<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">setSlider<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">volume<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">\"#volume_slider\"<\/span><span class=\"p\">).<\/span><span class=\"na\">val<\/span><span class=\"p\">(<\/span><span class=\"nx\">volume<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"c1\"># Slider<\/span>\r\n\r\n    <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"na\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"s\">'volume_slider'<\/span><span class=\"p\">).<\/span><span class=\"na\">addEventListener<\/span> <span class=\"s\">'change'<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n      <span class=\"nx\">setVolume<\/span><span class=\"p\">(<\/span><span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"na\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"s\">'volume_slider'<\/span><span class=\"p\">).<\/span><span class=\"na\">value<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"c1\"># AutoComplete<\/span>\r\n\r\n    <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#moving_item_name'<\/span><span class=\"p\">).<\/span><span class=\"na\">autocomplete<\/span>\r\n      <span class=\"na\">source<\/span><span class=\"o\">:<\/span> <span class=\"nb\">Object<\/span><span class=\"p\">.<\/span><span class=\"na\">keys<\/span><span class=\"p\">(<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#suggestions'<\/span><span class=\"p\">).<\/span><span class=\"na\">data<\/span><span class=\"p\">(<\/span><span class=\"s\">'items'<\/span><span class=\"p\">)<\/span> <span class=\"p\">)<\/span>\r\n      <span class=\"na\">select<\/span><span class=\"o\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ui<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span>\r\n        <span class=\"nx\">itemVolume<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#suggestions'<\/span><span class=\"p\">).<\/span><span class=\"na\">data<\/span><span class=\"p\">(<\/span><span class=\"s\">'items'<\/span><span class=\"p\">)[<\/span><span class=\"nx\">ui<\/span><span class=\"p\">.<\/span><span class=\"na\">item<\/span><span class=\"p\">.<\/span><span class=\"na\">value<\/span><span class=\"p\">]<\/span>\r\n        <span class=\"nx\">setVolume<\/span><span class=\"p\">(<\/span><span class=\"nx\">itemVolume<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">setSlider<\/span><span class=\"p\">(<\/span><span class=\"nx\">itemVolume<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#moving_item_room'<\/span><span class=\"p\">).<\/span><span class=\"na\">autocomplete<\/span>\r\n      <span class=\"na\">source<\/span><span class=\"o\">:<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#suggestions'<\/span><span class=\"p\">).<\/span><span class=\"na\">data<\/span><span class=\"p\">(<\/span><span class=\"s\">'rooms'<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#moving_item_category'<\/span><span class=\"p\">).<\/span><span class=\"na\">autocomplete<\/span>\r\n      <span class=\"na\">source<\/span><span class=\"o\">:<\/span> <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"s\">'#suggestions'<\/span><span class=\"p\">).<\/span><span class=\"na\">data<\/span><span class=\"p\">(<\/span><span class=\"s\">'categories'<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528HAML\u7684:coffee\u6ee4\u955c\u6765\u8c03\u7528\u5e76\u5b9e\u4f8b\u5316JS\u4ee3\u7801\u3002<\/h2>\n<pre class=\"post-pre\"><code><span class=\"nd\">:coffee\r\n<\/span>  <span class=\"nd\">window.BarChartComponent = new Namespace.ChartComponent(\"Bar\")<\/span>\r\n  <span class=\"nd\">window.PieChartComponent = new Namespace.ChartComponent(\"Pie\")<\/span>\r\n\r\n<span class=\"nc\">.panel.panel-blue<\/span>\r\n  <span class=\"nc\">.panel-heading<\/span>\r\n    <span class=\"c\">\/...\r\n<\/span>  <span class=\"p\">-<\/span> <span class=\"k\">if<\/span> <span class=\"vi\">@total_volume<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span>\r\n    <span class=\"nc\">.panel-body<\/span>\r\n      <span class=\"nc\">.row<\/span>\r\n        <span class=\"nc\">.col-sm-6<\/span>\r\n          <span class=\"p\">=<\/span> <span class=\"n\">react_component<\/span> <span class=\"s1\">'BarChartComponent'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">name: <\/span><span class=\"s2\">\"MovingBarChart\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"ss\">data: <\/span><span class=\"vi\">@dataForBarChart<\/span><span class=\"p\">,<\/span> <span class=\"ss\">height: <\/span><span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"ss\">width:  <\/span><span class=\"mi\">400<\/span> <span class=\"p\">}<\/span>\r\n        <span class=\"nc\">.col-sm-6<\/span>\r\n          <span class=\"p\">=<\/span> <span class=\"n\">react_component<\/span> <span class=\"s1\">'PieChartComponent'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"ss\">name: <\/span><span class=\"s2\">\"MovingPieChart\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"ss\">data: <\/span><span class=\"vi\">@dataForPieChart<\/span><span class=\"p\">,<\/span> <span class=\"ss\">height: <\/span><span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"ss\">width:  <\/span><span class=\"mi\">200<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728(:javascript)\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528content_for(:javascript)\u548cyield(:javascript)\u6765\u5b9e\u73b0\u76f8\u540c\u7684\u6548\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nn\">!!!\r\n<\/span><span class=\"nt\">%html<\/span>\r\n  <span class=\"nt\">%head<\/span>\r\n    <span class=\"c\">\/...\r\n<\/span>  <span class=\"nt\">%body<\/span>\r\n    <span class=\"p\">=<\/span> <span class=\"k\">yield<\/span>               <span class=\"c1\"># \u30da\u30fc\u30b8\u30b3\u30f3\u30c6\u30f3\u30c4<\/span>\r\n    <span class=\"c\">\/...\r\n<\/span>    <span class=\"p\">=<\/span> <span class=\"k\">yield<\/span><span class=\"p\">(<\/span><span class=\"ss\">:javascript<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u5fc5\u8981\u306aJS\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">-<\/span> <span class=\"n\">content_for<\/span><span class=\"p\">(<\/span><span class=\"ss\">:javascript<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span>\r\n  <span class=\"nd\">:coffeescript\r\n<\/span>    <span class=\"nd\">jQuery -&gt;<\/span>\r\n      <span class=\"nd\">window.BarChartComponent = new Namespace.ChartComponent(\"Bar\")<\/span>\r\n      <span class=\"nd\">window.PieChartComponent = new Namespace.ChartComponent(\"Pie\")<\/span>\r\n<span class=\"c\">\/...\r\n<\/span><\/code><\/pre>\n<h1>\u4fe1\u606f<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Essential JavaScript Namespacing Patterns<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JavaScript Namespacing with the Rails Asset Pipeline<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Write maintainable JavaScript\/CoffeeScript in Rails<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">CoffeeScript\u306eclass\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u5b9a\u7fa9\u3059\u308b\u3002<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fc7\u7a0b \u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u5909\u6570\u540d\u304c\u885d\u7a81\u3057\u306a\u3044\u3088\u3046\u3001\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u7ba1\u7406\u3092\u3084\u308b\u3079\u304d\u3089\u3057\u3044\u3002 &nbsp; JS [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38432","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rails\u3001CoffeeScript- \u4f7f\u7528class\u8fdb\u884c\u5c01\u88c5\u4ee5\u8fdb\u884c\u547d\u540d\u7a7a\u95f4\u7ba1\u7406 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/rails\u3001coffeescript-\u4f7f\u7528class\u8fdb\u884c\u5c01\u88c5\u4ee5\u8fdb\u884c\u547d\u540d\u7a7a\u95f4\u7ba1\u7406\u3002\/\" \/>\n<meta property=\"og:locale\" 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