{"id":113,"date":"2017-12-03T22:41:11","date_gmt":"2017-12-03T14:41:11","guid":{"rendered":"https:\/\/blog.indeex.club\/?p=113"},"modified":"2020-06-20T23:02:23","modified_gmt":"2020-06-20T15:02:23","slug":"javascript%e7%b1%bb%e7%bc%96%e5%88%9d%e6%ad%a5-%e4%b8%80","status":"publish","type":"post","link":"https:\/\/blog.indeex.club\/index.php\/2017\/12\/03\/javascript%e7%b1%bb%e7%bc%96%e5%88%9d%e6%ad%a5-%e4%b8%80\/","title":{"rendered":"javascript\u7c7b\u7f16\u521d\u6b65 \u4e00"},"content":{"rendered":"<hr \/>\n<p>\u3000\u3000\u3000\u3000\u3000<img src=\"http:\/\/hungking.cc\/assets\/imgs\/indeex.cc\/javascript%E7%B1%BB%E7%BC%96%E5%88%9D%E6%AD%A5%20%E4%B8%801.png\" alt=\"javascript\u7c7b\u7f16\u521d\u6b65 \u4e00\" \/><\/p>\n<hr \/>\n<p>Javascript\u662f\u4e00\u95e8\u9762\u5411\u5bf9\u8c61\u7684\u5f3a\u7c7b\u578b\u9884\u7f16\u8bd1\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u662fEcmascript\u7684\u4e00\u79cd\u73b0\u4ee3\u5e38\u7528\u5b9e\u73b0\u3002<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u7f16\u5199\u4e00\u7cfb\u5217\u7ec4\u4ef6\u6765\u719f\u6089\u73b0\u4ee3\u7248\u672c\u7684javascript\u3002<\/p>\n<h3>\u4e00\u3001\u77ed\u4fe1\u53d1\u9001\u7c7b\u6309\u94ae<\/h3>\n<h4>A. \u7ed3\u6784\u76ee\u5f55<\/h4>\n<pre><code class=\"line-numbers\">SendButton\n +-- src\n |    -- main.ts\n +-- index.html\n +-- app.scss\n +-- tsconfig.json\n<\/code><\/pre>\n<h4>B. \u9875\u9762\u5e03\u5c40<\/h4>\n<p>1) \u5728\u9875\u9762\u4e2d\u624b\u52a8\u52a0\u5165\u5bb9\u5668\uff0c\u5e76\u914d\u7f6eid\uff1a<\/p>\n<p><strong>index.html<\/strong><\/p>\n<pre data-language=HTML><code class=\"language-markup line-numbers\">&lt;div id=\"content\"&gt;&lt;\/div&gt;\n<\/code><\/pre>\n<p>2) \u8bbe\u7f6ecss\u6837\u5f0f\uff1a<br \/>\n<strong>app.scss<\/strong><\/p>\n<pre><code class=\"language-css line-numbers\">html,body{\n    width: 100%;\n    height: 100%;\n}\nbody {\n    font-family: 'Segoe UI', sans-serif;\n}\n#content{\n    position: absolute;\n    top:50%;\n    left:50%;\n    width: 500px;\n    height: 60px;\n    transform: translateY(-50%);\n    transform: translateX(-50%);\n}\n\nspan {\n    font-style: italic;\n}\n\nbutton,input{\n    width: 200px;\n    height: 50px;\n    position: relative;\n    font-size: 30px;\n    padding-left:5px;\n    \/*transform: translateY(-50%);\n    transform: translateX(-50%);*\/\n}\n<\/code><\/pre>\n<p>3) \u8fd9\u91cc\u4ec0\u4e48\u529f\u80fd\u90fd\u6ca1\u6709\uff0c\u53ea\u662f\u4e3a\u4e86\u597d\u770b<\/p>\n<h4>C. \u6846\u67b6\u6784\u9020<\/h4>\n<p>1) \u7f16\u5199\u4e00\u4e2a<code>SendButton<\/code>\u7c7b\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">class SendButton{\n\n    constructor(){\n        console.log('init.');\n    }\n    start(){\n    }\n    stop(){\n    }\n}\n<\/code><\/pre>\n<p>\u5e76\u5728<code>SendButton<\/code>\u7c7b\u4e2d\u6dfb\u52a0<code>start()<\/code>\u548c<code>stop()<\/code>\u4e24\u4e2a\u65b9\u6cd5\u3002<\/p>\n<p>2) \u58f0\u660e\u6240\u9700\u53d8\u91cf\uff1a<br \/>\n\u5728<code>SendButton<\/code>\u7c7b\u4e2d\u58f0\u660e\u6240\u9700\u5168\u5c40\u53d8\u91cf\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">private element:HTMLElement;\nprivate button:HTMLElement;\nprivate input:HTMLElement;\nprivate ele:HTMLElement;\nprivate timer:number;\nprivate step:number = 10;\n<\/code><\/pre>\n<p>3) \u5728\u6784\u9020\u51fd\u6570\u4e2d\u521d\u59cb\u5316\u6240\u9700\u53d8\u91cf\uff0c\u7ed9\u6309\u94ae\u589e\u52a0\u4e8b\u4ef6\u4fa6\u542c\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">let self = this;\nthis.element = element;\nthis.input = document.createElement('input');\nthis.input.innerHTML = 'ceshi.';\nthis.button = document.createElement('button');\nthis.button.innerHTML = 'send';\nthis.element.appendChild(this.input);\nthis.element.appendChild(this.button);\nthis.button.addEventListener('click',(e) =&gt;{\n    self.start();\n});\n<\/code><\/pre>\n<p>\u5e76\u7ed9\u6784\u9020\u51fd\u6570\u589e\u52a0\u53c2\u6570\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">constructor(element:HTMLElement){\n}\n<\/code><\/pre>\n<p>4) \u6dfb\u52a0\u5b9a\u65f6\u5668\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">start(){\n    this.button.disabled = true;\n    this.button.innerHTML = this.step + 's';\n    this.timer = setInterval(()=&gt;{\n        this.step = this.step - 1;\n        this.button.innerHTML = this.step + 's';\n        if(this.step &lt;= 0) this.stop();\n    },1000);\n }\n<\/code><\/pre>\n<p>5) \u505c\u6b62\u5b9a\u65f6\u5668\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">stop(){\n    clearInterval(this.timer);\n    this.button.disabled = false;\n    this.button.innerHTML = 'send';\n    this.step = 10;\n}\n<\/code><\/pre>\n<p>6) \u5728\u52a0\u8f7d\u5b8c\u6210\u540e\u5b9e\u4f8b\u5316SendButton\uff1a<\/p>\n<pre><code class=\"language-javascript line-numbers\">window.addEventListener('load',e =&gt;{\n    let container = document.getElementById('content');\n    let gretter = new Greeter(container);\n});\n<\/code><\/pre>\n<p>7) \u8fd0\u884c\u9879\u76ee\uff1a<br \/>\n\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u6216\u8005\u70b9\u51fb\u8fd0\u884c\u548c\u5feb\u6377\u952e\u6784\u5efa\u9879\u76ee\u3002<\/p>\n<p><em>\u6ce8\u610f<\/em><br \/>\n<em>\u7531\u4e8eJavascript\u9700\u8981\u5148\u7f16\u8bd1\u518d\u8fd0\u884c\uff0c\u5efa\u8bae\u5728\u8fd0\u884c\u524d\u5148\u6e05\u7406\u9879\u76ee\uff0c\u518d\u6784\u5efa\uff0c\u7f16\u8bd1\uff0c\u540e\u8fd0\u884c\uff08\u81ea\u52a8\u6784\u5efa\u51fa\u73b0\u5f02\u5e38\u65f6\u540c\u6837\u64cd\u4f5c\uff09\u3002<\/em><\/p>\n<p>code enjoy!   &#x1f929;<\/p>\n<p>\u4f5c\u8005\uff1aindeex<\/p>\n<p>\u94fe\u63a5\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/indeex.cc\/\">http:\/\/indeex.cc<\/a><\/p>\n<p>\u8457\u4f5c\u6743\u5f52\u4f5c\u8005\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u4f5c\u8005\u83b7\u5f97\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3000\u3000\u3000\u3000 Javascript\u662f\u4e00\u95e8\u9762\u5411\u5bf9\u8c61\u7684\u5f3a\u7c7b\u578b\u9884\u7f16\u8bd1\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u662fEcmascript\u7684\u4e00\u79cd<a href=\"https:\/\/blog.indeex.club\/index.php\/2017\/12\/03\/javascript%e7%b1%bb%e7%bc%96%e5%88%9d%e6%ad%a5-%e4%b8%80\/\" class=\"read-more\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[4],"_links":{"self":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/113"}],"collection":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":1,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/113\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/113\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}