{"id":637,"date":"2018-01-21T12:54:36","date_gmt":"2018-01-21T04:54:36","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=637"},"modified":"2018-01-21T12:54:36","modified_gmt":"2018-01-21T04:54:36","slug":"lightning-%e7%bb%84%e4%bb%b6%ef%bc%885%ef%bc%89%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=637","title":{"rendered":"Lightning-\u7ec4\u4ef6\uff085\uff09\u64cd\u4f5c"},"content":{"rendered":"<div class=\"nested0\">\n<h2 id=\"Tdxn4tBK-heading1\" class=\"helpHead2\">\u5b66\u4e60\u76ee\u6807<\/h2>\n<div class=\"body\">\n<div class=\"p\">\n<p>\u5b8c\u6210\u672c\u5355\u5143\u540e\uff0c\u60a8\u5c06\u80fd\u591f\uff1a<\/p>\n<ul class=\"ul bulletList\">\n<li class=\"li\">\u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\u63a7\u5236\u5668\u6765\u5904\u7406\u7528\u6237\u64cd\u4f5c\u3002<\/li>\n<li class=\"li\">\u4ece\u7ec4\u4ef6\u5c5e\u6027\u8bfb\u53d6\u503c\u3002<\/li>\n<li class=\"li\">\u4ece\u7ec4\u4ef6\u4e2d\u7684\u7528\u6237\u754c\u9762\u63a7\u4ef6\u8bfb\u53d6\u503c\u3002<\/li>\n<li class=\"li\">\u7528JavaScript\u7f16\u5199\u63a7\u5236\u5668\u4ee3\u7801\u6765\u6539\u53d8\u7528\u6237\u754c\u9762\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"lex_dev_lc_basics_ctlrs_handling\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading2\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">\u5904\u7406\u4e0e\u63a7\u5236\u5668\u7684\u884c\u52a8<\/span><\/h2>\n<div class=\"body\">\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u53ea\u4f7f\u7528XML\u98ce\u683c\u7684\u6807\u8bb0\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8ba9\u7ec4\u4ef6\u7684\u8f93\u51fa\u66f4\u6539\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u66f4\u6539\u200b\u200b\u8be5\u6807\u8bb0\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u7684\u7ec4\u4ef6\u6ca1\u6709\u5bf9\u7528\u6237\u8f93\u5165\u505a\u51fa\u53cd\u5e94\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u8fd8\u6ca1\u6709\u7f16\u5199\u4efb\u4f55JavaScript\u3002<\/p>\n<p>\u8fd9\u4e2a\u5355\u4f4d\u7684\u6240\u6709\u53d8\u5316\u3002<\/p>\n<p>\u4e3a\u4e86\u5f00\u59cb\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u7ec4\u4ef6\uff0c\u60f3\u8c61\u4e00\u4e0b\u4e3a\u4e86\u5904\u7406\u5b83\u7684\u7b80\u5355\u884c\u4e3a\u9700\u8981\u505a\u4e9b\u4ec0\u4e48\u3002<\/p>\n<div class=\"imageleft\"><span class=\"image image-block\"><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/image\/upload\/doc\/trailhead\/en-us0e90062195b70827799d35187091248b.png\" alt=\"Message of the day: You look nice today button, Today is going to be a great day button\" \/><\/span><\/div>\n<p class=\"p\">\u8fd9\u662fhelloMessageInteractive\uff0c\u5f88\u96be\u60f3\u8c61\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6\u201c\u505a\u4e9b\u4ec0\u4e48\u201d\u3002\u5b83\u662f\u4e00\u4e9b\u9759\u6001\u6587\u672c\uff0c\u4e00\u4e2a\uff08\u5f53\u524d\u7a7a\u767d\uff09\u6d88\u606f\u548c\u4e24\u4e2a\u6309\u94ae\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\"><span class=\"token operator\">&lt;<\/span>aura<span class=\"token operator\">:<\/span>component<span class=\"token operator\">&gt;<\/span>\n \n    <span class=\"token operator\">&lt;<\/span>aura<span class=\"token operator\">:<\/span>attribute name<span class=\"token operator\">=<\/span><span class=\"token string\">\"message\"<\/span> type<span class=\"token operator\">=<\/span><span class=\"token string\">\"String\"<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span>\n \n    <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span>Message of the day<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token operator\">!<\/span>v<span class=\"token punctuation\">.<\/span>message<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n \n    <span class=\"token operator\">&lt;<\/span>div<span class=\"token operator\">&gt;<\/span>\n        <span class=\"token operator\">&lt;<\/span>lightning<span class=\"token operator\">:<\/span>button label<span class=\"token operator\">=<\/span><span class=\"token string\">\"You look nice today.\"<\/span>\n            onclick<span class=\"token operator\">=<\/span><span class=\"token string\">\"{!c.handleClick}\"<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span>\n \n        <span class=\"token operator\">&lt;<\/span>lightning<span class=\"token operator\">:<\/span>button label<span class=\"token operator\">=<\/span><span class=\"token string\">\"Today is going to be a great day!\"<\/span>\n            onclick<span class=\"token operator\">=<\/span><span class=\"token string\">\"{!c.handleClick}\"<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n \n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>aura<span class=\"token operator\">:<\/span>component<span class=\"token operator\">&gt;<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\n<p>\u8fd9\u5e94\u8be5\u770b\u8d77\u6765\u5f88\u719f\u6089\u3002\u6211\u4eec\u771f\u6b63\u505a\u7684\u662f\u5c06\u4e24\u4e2a&lt;lightning\uff1abutton&gt;\u7ec4\u4ef6\u6dfb\u52a0\u5230helloMessage\u3002\u5f53\u4f60\u70b9\u51fb\u4e00\u4e2a\u6309\u94ae\uff0c\u5f53\u5929\u7684\u6d88\u606f\u88ab\u66f4\u65b0\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u8fd8\u4e0d\u5b8c\u5168\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u8f93\u5165\u4e86\u4ee3\u7801\u5e76\u81ea\u5df1\u5c1d\u8bd5\u8fc7\uff0c\u90a3\u4e48\u60a8\u5df2\u7ecf\u6ce8\u610f\u5230\uff0c\u5f53\u60a8\u5355\u51fb\u5176\u4e2d\u4e00\u4e2a\u6309\u94ae\u65f6\uff0c\u60a8\u4f1a\u6536\u5230\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"imageleft\"><span class=\"image image-block\"><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/image\/upload\/doc\/trailhead\/en-usa1ae2b10810059fc65afeb137a57c4d5.png\" alt=\"There is a problem\" \/><\/span><\/div>\n<p class=\"p\">\u6211\u4eec\u5c06\u9996\u5148\u627f\u8ba4\uff0c\u5e76\u4e0d\u662f\u6bcf\u4e00\u4e2a\u4f60\u4f1a\u5728Lightning Components\u4e2d\u770b\u5230\u7684\u9519\u8bef\u4fe1\u606f\u90fd\u50cf\u4f60\u6240\u5e0c\u671b\u7684\u90a3\u6837\u6709\u5e2e\u52a9\u3002\u4f46\u662f\u8fd9\u4e2a\u662f\uff01\u5b83\u8bf4\u6ca1\u6709\u540d\u4e3a\u201chandleClick\u201d\u7684\u63a7\u5236\u5668\u64cd\u4f5c\u3002 \u201chandleClick\u201d\u4ece\u54ea\u91cc\u6765\uff1f\u5b83\u6765\u81ea\u6211\u4eec\u5206\u914d\u7ed9\u4e24\u4e2a&lt;lightning\uff1abutton&gt;\u6807\u7b7e\u4e2d\u6bcf\u4e00\u4e2a\u7684onclick\u5c5e\u6027\u7684\u8868\u8fbe\u5f0f\uff1a<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">onclick<span class=\"token operator\">=<\/span><span class=\"token string\">\"{!c.handleClick}\"<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\n<p>\u9274\u4e8e\u8fd9\u662f\u4e00\u4e2a\u6309\u94ae\uff0c\u4f60\u53ef\u80fd\u4f1a\u731c\u6d4bonclick\u5c5e\u6027\u662f\u5982\u4f55\u4e3a\u70b9\u51fb\u6309\u94ae\u5206\u914d\u4e00\u4e2a\u884c\u4e3a\u3002\u4f46\u662f\u6211\u4eec\u5206\u914d\u4e86\u4ec0\u4e48\uff1f\u8868\u8fbe\u5f0f{\uff01c.handleClick}\uff0c\u53ef\u80fd\u6709\u70b9\u795e\u79d8\u3002<\/p>\n<p>\u8fd9\u5176\u5b9e\u5f88\u7b80\u5355\u3002\u5c31\u50cf\u524d\u9762\u7684v.message\u8868\u8fbe\u5f0f\u4e00\u6837\uff0cc.handleClick\u662f\u4e00\u4e2a\u503c\u63d0\u4f9b\u8005c\uff0c\u5e26\u6709\u4e00\u4e2a\u5c5e\u6027handleClick\u3002 c\u662f\u7ec4\u4ef6\u5ba2\u6237\u7aef\u63a7\u5236\u5668\u7684\u503c\u63d0\u4f9b\u8005\uff0chandleClick\u662f\u5728\u8be5\u63a7\u5236\u5668\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u3002\u6240\u4ee5\uff0c{\uff01c.handleClick}\u662f\u5bf9\u7ec4\u4ef6\u63a7\u5236\u5668\u4e2d\u7684\u4e00\u4e2a\u52a8\u4f5c\u5904\u7406\u5668\u7684\u5f15\u7528\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"imageleft\"><span class=\"image image-block\"><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/image\/upload\/doc\/trailhead\/en-us265ed85278e0d5756c71d38e5e945902.png\" alt=\"c.handleClick: c is a value provider for the component controller, with the property handleClick, a function defined in that controller\" width=\"800\" \/><\/span><\/div>\n<\/div>\n<\/div>\n<div id=\"lex_dev_lc_basics_ctlrs_what_is\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2><\/h2>\n<h2 id=\"Tdxn4tBK-heading3\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">Uh, \u4ec0\u4e48\u662f\u63a7\u5236\u5668\uff1f<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">\u54ce\u5466\uff01\u63a7\u5236\u5668\u57fa\u672c\u4e0a\u662f\u4e00\u7ec4\u4ee3\u7801\uff0c\u7528\u4e8e\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u5728\u201c\u4e8b\u60c5\u53d1\u751f\u201d\u65f6\u7684\u884c\u4e3a\uff0c\u5176\u4e2d\u201c\u4e8b\u7269\u201d\u662f\u6307\u7528\u6237\u8f93\u5165\uff0c\u5b9a\u65f6\u5668\u548c\u5176\u4ed6\u4e8b\u4ef6\uff0c\u6570\u636e\u66f4\u65b0\u7b49\u7b49\u3002\u5982\u679c\u4f60\u5728\u4efb\u4f55\u6570\u91cf\u7684\u5f00\u53d1\u8005\u7f51\u7ad9\u4e0a\u67e5\u627e\u201c\u6a21\u578b &#8211; \u89c6\u56fe &#8211; \u63a7\u5236\u5668\u201d\uff0c\u4f60\u4f1a\u5f97\u5230\u4e0d\u540c\u7684\u5b9a\u4e49\u3002\u5c31\u6211\u4eec\u7684\u76ee\u7684\u800c\u8a00\uff0c\u5bf9\u4e8eLightning\u7ec4\u4ef6\uff0c\u63a7\u5236\u5668\u662f\u7ec4\u4ef6\u5305\u4e2d\u7684\u4e00\u4e2a\u8d44\u6e90\uff0c\u8be5\u7ec4\u4ef6\u5305\u542b\u8be5\u7ec4\u4ef6\u7684\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u3002\u800c\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u53ea\u662f\u5177\u6709\u7279\u5b9a\u529f\u80fd\u7b7e\u540d\u7684JavaScript\u51fd\u6570\u3002<\/p>\n<div class=\"btb callout box guidedTour\">\n<div class=\"inner\">\n<div class=\"bd\">\n<div class=\"media\">\n<div class=\"mediaBd\">\n<h4 class=\"mbs\">\u8d85\u8d8a\u57fa\u7840<\/h4>\n<p>\u6211\u4eec\u5728\u8fd9\u4e2a\u5355\u5143\u4e2d\u8c08\u4e86\u5f88\u591a\u5173\u4e8e\u63a7\u5236\u5668\u7684\u77e5\u8bc6\uff0c\u800c\u4e14\u6211\u4eec\u77e5\u9053\u8fd9\u4e2a\u7ec4\u4ef6\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u89c6\u56fe\u3002\u6211\u4eec\u751a\u81f3\u63d0\u5230\u4e86MVC\u6216\u6a21\u578b &#8211; \u89c6\u56fe &#8211; \u63a7\u5236\u5668\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u8fd9\u5728Web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u4e2d\u5f88\u5e38\u89c1\u3002\u95ea\u7535\u7ec4\u4ef6\u5efa\u7acb\u5728MVC\u6a21\u5f0f\u4e0a\u5417\uff1f<\/p>\n<p>\u603b\u4e4b\uff0c\u6ca1\u6709\u3002\u53ef\u4ee5\u80af\u5b9a\u7684\u662f\u6709\u76f8\u4f3c\u4e4b\u5904\uff0c\u4f46\u662f\u8bf4Lightning\u7ec4\u4ef6\u662fView-Controller-Controller-Model\u6216\u8005View-Controller-Controller-Database\u53ef\u80fd\u66f4\u4e3a\u6b63\u786e\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u201c\u63a7\u5236\u5668\u201d\u5728\u8fd9\u4e2a\u6a21\u5f0f\u540d\u79f0\u7ffb\u500d\uff1f\u56e0\u4e3a\u5728\u4e0eSalesforce\u4ea4\u4e92\u65f6\uff0c\u9664\u4e86\u6211\u4eec\u5728\u672c\u5355\u5143\u4e2d\u4f7f\u7528\u7684\u5ba2\u6237\u7aef\u63a7\u5236\u5668\u5916\uff0c\u60a8\u7684\u7ec4\u4ef6\u8fd8\u5c06\u62e5\u6709\u670d\u52a1\u5668\u7aef\u63a7\u5236\u5668\u3002\u8fd9\u4e2a\u53cc\u63a7\u5236\u5668\u8bbe\u8ba1\u662fLightning\u7ec4\u4ef6\u548cMVC\u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\u3002<\/p>\n<p>\u201c\u6a21\u578b\u201d\u548c\u201c\u6570\u636e\u5e93\u201d\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u5728\u4f20\u7edf\u7684MVC\u4e2d\uff0c\u6a21\u578b\u662f\u5e95\u5c42\u6570\u636e\u5b58\u50a8\uff08\u901a\u5e38\u662f\u5173\u7cfb\u6570\u636e\u5e93\uff09\u548c\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u7684\u7a0b\u5e8f\u5316\u62bd\u8c61\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u7c7b\uff09\u3002\u5728Lightning\u7ec4\u4ef6\u4e2d\uff0c\u6ca1\u6709Apex\u7c7b\u76f4\u63a5\u4f4d\u4e8e@AuraEnabled\u63a7\u5236\u5668\u65b9\u6cd5\u548cDML\u64cd\u4f5c\u4e4b\u95f4\u3002\u4f46\u662f\u518d\u4e00\u6b21\uff0csObjects\u5df2\u7ecf\u662f\u60a8\u7684Apex\u4ee3\u7801\u548c\u5e95\u5c42\u5b58\u50a8\u5c42\u4e4b\u95f4\u7684\u62bd\u8c61\u4e86\u3002\u60a8\u53ef\u4ee5\u6dfb\u52a0\u8ba1\u7b97\u5b57\u6bb5\uff0c\u9a8c\u8bc1\u903b\u8f91\uff0c\u751a\u81f3\u4ee5\u89e6\u53d1\u5668\u7684\u5f62\u5f0f\u6dfb\u52a0\u5b8c\u5168\u7684\u7f16\u7a0b\u884c\u4e3a\u3002\u90a3\u4e48\uff0c\u8fd9\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u8fd8\u662f\u4e00\u4e2a\u6a21\u578b\uff1f\u6211\u4eec\u8bf4po-TAY-tow\uff0c\u4f46\u662f\u5982\u679c\u4f60\u60f3\u7528po-TAH-tow\u53bb\uff0c\u90a3\u771f\u662f\u592a\u9177\u4e86\u3002<\/p>\n<p>\u56f0\u60d1\uff1f\u6fc0\u52a8\u5417\uff1f\u6211\u4eec\u5c06\u5728\u540e\u9762\u7684\u5355\u5143\u4e2d\u5bf9\u670d\u52a1\u5668\u7aef\u63a7\u5236\u5668\u7684\u7ec6\u8282\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u66f4\u8be6\u7ec6\u5730\u770b\u770bhelloMessageInteractive\u63a7\u5236\u5668\uff0c\u5e76\u89e3\u91ca\u66f4\u5177\u4f53\u4e00\u4e9b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>\n    handleClick<span class=\"token operator\">:<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span>component<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">,<\/span> helper<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        var btnClicked <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ the button<\/span>\n        var btnMessage <span class=\"token operator\">=<\/span> btnClicked<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.label\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ the button's label<\/span>\n        component<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.message\"<\/span><span class=\"token punctuation\">,<\/span> btnMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ update our message<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u63a7\u5236\u5668\u8d44\u6e90\u6709\u4e00\u4e2a\u6709\u8da3\u7684\u683c\u5f0f\u3002\u5b83\u4eec\u662f\u5305\u542b\u540d\u79f0 &#8211; \u503c\u5bf9\u6620\u5c04\u7684JavaScript\u5bf9\u8c61\uff0c\u5176\u4e2d\u540d\u79f0\u662f\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u7684\u540d\u79f0\uff0c\u503c\u662f\u51fd\u6570\u5b9a\u4e49\u3002<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"lex_dev_lc_basics_ctlrs_action\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading4\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\"><br \/>\n\u884c\u52a8\u5904\u7406\u7a0b\u5e8f<\/span><\/h2>\n<div class=\"body\">\n<p>\u540d\u79f0 &#8211; \u503c\u5bf9\u548c\u7279\u5b9a\u51fd\u6570\u7b7e\u540d\u7684\u7ec4\u5408\u662f\u4e00\u4e2a\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u3002\u60a8\u5c06\u4f1a\u542c\u5230\u6216\u770b\u5230\u4ea4\u66ff\u4f7f\u7528\u7684\u672f\u8bed\u201c\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u201d\uff0c\u201c\u63a7\u5236\u5668\u52a8\u4f5c\u201d\u548c\u201c\u63a7\u5236\u5668\u529f\u80fd\u201d\uff0c\u800c\u4e14\u5927\u90e8\u5206\u90fd\u662f\u6b63\u786e\u7684\u3002\u4ed6\u4eec\u51e0\u4e4e\u603b\u662f\u63d0\u5230\u540c\u6837\u7684\u4e8b\u60c5\u3002 \uff08\u6211\u4eec\u4e0d\u4f1a\u62c5\u5fc3\u8fd9\u4e2a\u6a21\u5757\u4e2d\u7684\u5f02\u5e38\u3002\uff09<\/p>\n<p>\u4e0d\u8981\u592a\u62c5\u5fc3\u63a7\u5236\u5668\u8d44\u6e90\u7684\u7279\u6b8a\u683c\u5f0f\u3002\u5f53\u60a8\u5728\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u4e2d\u70b9\u51fbCONTROLLER\u6309\u94ae\u65f6\uff0c\u60a8\u5c06\u83b7\u5f97\u4e00\u4e2a\u5df2\u6dfb\u52a0\u793a\u4f8b\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u7684\u63a7\u5236\u5668\u8d44\u6e90\u3002\u4e00\u4e2a\u6280\u5de7\u662f &#8211; \u5982\u679c\u4f60\u5fd8\u8bb0\u4e86\uff0c\u4f60\u4f1a\u5f97\u5230\u8bed\u6cd5\u9519\u8bef &#8211; \u4f60\u9700\u8981\u5728\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u4e4b\u95f4\u52a0\u9017\u53f7\u3002\u8fd9\u53ea\u662f\u57fa\u672c\u7684JavaScript\u8bed\u6cd5\uff0c\u6211\u4eec\u7a0d\u540e\u4f1a\u770b\u5230\u5177\u4f53\u7ec6\u8282\u3002<\/p>\n<p>\u5b9e\u9645\u7684handleClick\u51fd\u6570\u53ea\u6709\u56db\u884c\u4ee3\u7801\uff0c\u4f46\u8d77\u521d\u4f3c\u4e4e\u5f88\u96be\u7406\u89e3\u3002\u5728\u9ad8\u5c42\u6b21\u4e0a\uff0c\u8fd9\u5f88\u7b80\u5355\uff1a\u70b9\u51fb\u6309\u94ae\u65f6\uff0c\u5176\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u88ab\u8c03\u7528\uff081\uff09\u3002\u5728\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u4e2d\uff0c\u63a7\u5236\u5668\u83b7\u53d6\u88ab\u5355\u51fb\u7684\u6309\u94ae\uff0c\u5c06\u6807\u7b7e\u6587\u672c\u4ece\u4e2d\u62c9\u51fa\uff0c\u7136\u540e\u5c06\u7ec4\u4ef6\u7684\u6d88\u606f\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u8be5\u6587\u672c\uff082\uff09\u3002\u5e76\u4e14\u5f53\u5929\u7684\u6d88\u606f\u88ab\u66f4\u65b0\uff083\uff09\u3002\u4f60\u4eca\u5929\u770b\u8d77\u6765\u4e0d\u9519\uff01<\/p>\n<div class=\"imageleft\"><span class=\"image image-block\"><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/image\/upload\/doc\/trailhead\/en-us0c5c695d72cf70335bdeb39c0123d19a.png\" alt=\"In the action handler, the controller gets the clicked button text, then sets the component message attribute\" width=\"800\" \/><\/span><\/div>\n<p class=\"p\">\u5f88\u7b80\u5355\uff0c\u5bf9\u5427\uff1f\u597d\u2026<\/p>\n<p class=\"p\">\u56e0\u4e3a\u8fd9\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u8ba9\u6211\u4eec\u9010\u884c\u5206\u89e3\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">handleClick<span class=\"token operator\">:<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span>component<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">,<\/span> helper<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/code><\/pre>\n<\/div>\n<p class=\"p\">\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u540d\u79f0\uff0c\u540e\u8ddf\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u58f0\u660e\u3002\u8fd9\u91cc\u91cd\u8981\u7684\u662f\u51fd\u6570\u7b7e\u540d\u3002\u867d\u7136\u8fd9\u4e0d\u662f\u6280\u672f\u4e0a\u7684\u8981\u6c42\uff0c\u4f46\u60a8\u5e94\u8be5\u59cb\u7ec8\u58f0\u660e\u60a8\u7684\u63a7\u5236\u5668\u529f\u80fd\u91c7\u53d6\u8fd9\u4e09\u4e2a\u53c2\u6570\u3002\u73b0\u5728\u6211\u4eec\u5c06\u66f4\u591a\u5730\u8ba8\u8bba\u5b83\u4eec\uff0c\u4f46\u662f\u73b0\u5728\u8fd9\u4e9b\u53c2\u6570\u4ee3\u8868\uff1a<\/p>\n<ul class=\"ul bulletList\">\n<li class=\"li\"><samp>component<\/samp>\u2014\u7ec4\u4ef6\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u662fhelloMessageInteractive\u3002<\/li>\n<li class=\"li\"><samp>event<\/samp>\u2014\u5bfc\u81f4\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u88ab\u8c03\u7528\u7684\u4e8b\u4ef6\u3002<\/li>\n<li class=\"li\"><samp>helper<\/samp>\u2014\u7ec4\u4ef6\u7684\u52a9\u624b\uff0c\u53e6\u4e00\u4e2a\u53ef\u91cd\u7528\u51fd\u6570\u7684JavaScript\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">    var btnClicked <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ the button<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u8bf7\u8bb0\u4f4f\uff0chandleClick\u5df2\u8fde\u63a5\u5230\u6211\u4eec\u7684&lt;lightning\uff1abutton&gt;\u6807\u8bb0\u53ca\u5176onclick\u5c5e\u6027\u3002\u90a3\u4e48\uff0c\u4e8b\u4ef6\u5c31\u662f\u6709\u4eba\u70b9\u51fb\u6309\u94ae\u3002\u5728\u8fd9\u4e2a\u4e8b\u4ef6\u91cc\u9762\uff0c\u5b83\u6709\u4e00\u4e2a\u6e90\u7684\u6982\u5ff5\uff0c\u5373\u4ea7\u751f\u4e8b\u4ef6\u7684\u4e1c\u897f\uff0c\u4e5f\u5c31\u662f\u6309\u94ae\u672c\u8eab\u3002\u6240\u4ee5\uff0c\u8c03\u7528event.getSource\uff08\uff09\u8ba9\u6211\u4eec\u5f15\u7528\u88ab\u70b9\u51fb\u7684\u7279\u5b9a&lt;lightning\uff1abutton&gt;\u3002<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">    var btnMessage <span class=\"token operator\">=<\/span> btnClicked<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.label\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ the button's label<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\n<p>\u6211\u4eec\u73b0\u5728\u505a\u4ec0\u4e48\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u53c2\u8003\u6309\u94ae\uff1f\u6211\u4eec\u5728\u91cc\u9762\u67e5\u770b\u5b83\u7684\u6807\u7b7e\uff0c\u5b83\u5728\u7ec4\u4ef6\u6807\u8bb0\u4e2d\u7684&lt;lightning\uff1abutton&gt;\u4e0a\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c&lt;lightning\uff1abutton label =\u201c\u4eca\u5929\u770b\u8d77\u6765\u4e0d\u9519\u3002\u201d &#8230;&gt;\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u518d\u60f3\u4e00\u60f3\u3002\u6211\u4eec\u6ca1\u6709\u5728\u6211\u4eec\u9762\u524d\u5b9a\u4e49&lt;lightning\uff1abutton&gt;\uff0c\u4f46\u6807\u7b7e\u53ea\u662f\u53e6\u4e00\u4e2a\u5c5e\u6027\uff0c\u975e\u5e38\u7c7b\u4f3c\u4e8e\u6211\u4eec\u6dfb\u52a0\u5230helloMessageInteractive\u7684\u6d88\u606f\u5c5e\u6027\u3002\u60a8\u53ef\u4ee5\u5728\u4efb\u4f55\u7ec4\u4ef6\u4e0a\u8c03\u7528get\uff08\uff09\uff0c\u5e76\u4ee5v.attributeName\u7684\u683c\u5f0f\u63d0\u4f9b\u60a8\u60f3\u8981\u68c0\u7d22\u7684\u5c5e\u6027\u7684\u540d\u79f0\u3002\u7ed3\u679c\u662f\u5c5e\u6027\u503c\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5c31\u50cf\u5728\u7ec4\u4ef6\u6807\u8bb0\u4e2d\u4e00\u6837\uff0cv\u4ee3\u8868\u89c6\u56fe\uff0c\u7ec4\u4ef6\u672c\u8eab &#8211; \u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f&lt;lightning\uff1abutton&gt;\u5b50\u7ec4\u4ef6\uff0c\u800c\u4e0d\u662fhelloMessageInteractive\uff01\u60f3\u60f3\u8fd9\u6837\u3002 btnClicked.get\uff08\u201cv.label\u201d\uff09\u5728\u4efb\u4f55\u7ec4\u4ef6btnClicked\u7684\u80a9\u8180\u4e0a\u70b9\u51fb\u5e76\u4e14\u8bf4\u201c\u563f\uff0c\u7ed9\u6211v.label\u201d\u3002\u8be5\u7ec4\u4ef6\u8ba4\u4e3a\u201cv\u5c31\u662f\u6211\u201d\uff0c\u5728\u81ea\u5df1\u7684\u5185\u90e8\u67e5\u627e\uff0c\u5e76\u8fd4\u56de\u5176\u6807\u7b7e\u5c5e\u6027\u7684\u503c\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u73b0\u5728\u6211\u4eec\u6709\u4e00\u4e2a\u4ece\u6309\u94ae\u4e2d\u68c0\u7d22\u7684\u6587\u672c\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u53ea\u5269\u4e0b\u4e00\u6b65\uff1a\u5c06\u6211\u4eec\u7684\u6d88\u606f\u5c5e\u6027\u66f4\u6539\u4e3a\u65b0\u7684\u6d88\u606f\u6587\u672c\u3002\u6beb\u4e0d\u5947\u602a\uff0c\u5c31\u50cfget\uff08\uff09\u4ece\u7ec4\u4ef6\u4e2d\u8bfb\u53d6\u503c\u4e00\u6837\uff0cset\uff08\uff09\u5199\u5165\u4e00\u4e2a\u503c\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">    component<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.message\"<\/span><span class=\"token punctuation\">,<\/span> btnMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ update our message<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u4f46\u662f\uff0c\u8ba9\u6211\u4eec\u6ce8\u610f\u4e00\u4e2a\u91cd\u8981\u7684\u533a\u522b\u3002\u6211\u4eec\u5728btnClicked\u4e0a\u8c03\u7528\u4e86get\uff08\uff09\uff0c\u8fd9\u662fhelloMessageInteractive\u4e2d\u7684&lt;lightning\uff1abutton&gt;\u3002\u6211\u4eec\u5728\u7ec4\u4ef6\u4e0a\u8c03\u7528set\uff08\uff09 &#8211; helloMessageInteractive\u7ec4\u4ef6\u672c\u8eab\u3002\u5b9e\u9645\u4e0a\uff0c\u60a8\u5c06\u5728\u6bcf\u4e2a\u521b\u5efa\u7684\u7ec4\u4ef6\u4e2d\u91cd\u590d\u8fd9\u79cd\u6a21\u5f0f\uff1a\u4ece\u5b50\u7ec4\u4ef6\u83b7\u53d6\u503c\uff0c\u53ef\u80fd\u4f1a\u8fdb\u884c\u4e00\u4e9b\u5904\u7406\uff0c\u5e76\u5728\u7ec4\u4ef6\u4e2d\u8bbe\u7f6e\u503c\u3002<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"lex_dev_lc_basics_ctlrs_prog_model\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading5\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\"><br \/>\n\u95ea\u7535\u7ec4\u4ef6\u89c6\u56fe &#8211; \u63a7\u5236\u5668\u7f16\u7a0b\u6a21\u578b<\/span><\/h2>\n<div class=\"body\">\n<p>\u597d\u7684\uff0c\u68c0\u67e5\u4e00\u4e0b\u65f6\u95f4\u3002\u8fd9\u662f\u6709\u9053\u7406\u7684\u5417\uff1f\u5f53\u7136\uff1f\u5982\u679c\u4f60\u8fd9\u4e48\u60f3\uff0c\u786e\u4fdd\u4f60\u5df2\u7ecf\u4f7f\u7528\u524d\u9762\u7684\u4ee3\u7801\u521b\u5efa\u4e86helloMessageInteractive\u7ec4\u4ef6\u3002\u5b83\u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u590d\u5236\/\u7c98\u8d34\u4ee3\u7801\u9700\u8981\u4e24\u5206\u949f\u7684\u65f6\u95f4\uff0c\u4f46\u80fd\u591f\u4f7f\u7528\u5b83\u662f\u7406\u89e3\u5904\u7406\u64cd\u4f5c\u7684\u5173\u952e\u3002<\/p>\n<p>\u4f60\u5728\u8fd9\u91cc\u505a\u7684\u4e8b\u60c5\u770b\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u56e0\u4e3a\u5b83\u4e0d\u662f\u5f88\u591a\u4ee3\u7801\u884c\u3002\u4f46\u662f\u8fd9\u4e9b\u4ee3\u7801\u884c\u8bf4\u660e\u4e86\u4f7f\u7528Lightning\u7ec4\u4ef6\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u5c06\u7ec4\u4ef6\u8fde\u63a5\u5230\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u4e0a\uff0c\u5c06\u5b83\u4eec\u8fde\u63a5\u8d77\u6765\u3002\u5c06helloMessageInteractive\u60f3\u8c61\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u8def\u3002\u6709\u5f00\u5173\uff0c\u8fd8\u6709\u706f\u6ce1\u3002 \uff08Lightning\u7ec4\u4ef6\u6846\u67b6\u63d0\u4f9b\u7535\u6e90\u3002\uff09\u672c\u8eab\uff0c\u4e00\u4e2a\u5f00\u5173\u53ef\u80fd\u4f1a\u53d1\u51fa\u4e00\u4e2a\u5f88\u597d\u7684\u5494\u54d2\u58f0\uff0c\u4f46\u662f\u76f4\u5230\u4f60\u8fde\u63a5\u5b83\uff0c\u5b83\u4e0d\u662f\u529f\u80fd\u3002\u4f60\u53ef\u4ee5\u6709\u6700\u65f6\u5c1a\u7684\u7231\u8fea\u751f\u98ce\u683c\u7684\u706f\u6ce1\uff0c\u4f46\u76f4\u5230\u4f60\u628a\u5b83\u8fde\u63a5\u8d77\u6765\uff0c\u5b83\u4e0d\u4f1a\u7167\u4eae\u4efb\u4f55\u4e1c\u897f\u3002<\/p>\n<p>Lightning\u7ec4\u4ef6\u4e5f\u662f\u5982\u6b64\u3002\u5c31\u5728\u524d\u9762\uff0c\u6211\u4eec\u8bf4\u7ec4\u4ef6\u6346\u7ed1\u4e2d\u7684\u4e0d\u540c\u8d44\u6e90\u662f\u76f8\u4e92\u201c\u81ea\u52a8\u8fde\u63a5\u201d\u7684\u3002\u8fd9\u662f\u771f\u7684\uff1a\u63a5\u7ebf\u91c7\u53d6v\u548cc\u503c\u63d0\u4f9b\u5546\u7684\u5f62\u5f0f\u3002\u5b83\u4eec\u4f1a\u81ea\u52a8\u521b\u5efa\u5e76\u5728\u60a8\u7684\u7ec4\u4ef6\u4e2d\u53ef\u7528\uff0c\u56e0\u6b64\u60a8\u7684\u63a7\u5236\u5668\u53ef\u4ee5\u5f15\u7528\u7ec4\u4ef6\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u4f46\u662f\u8fd9\u4e2a\u81ea\u52a8\u63a5\u7ebf\u53ea\u53d1\u751f\u5728\u7ec4\u4ef6.cmp\u8d44\u6e90\u548c\u63a7\u5236\u5668.js\u8d44\u6e90\u4e4b\u95f4\u7684\u9ad8\u5c42\u6b21 &#8211; helloMessageInteractive\u4e2d\u3002\u8fd9\u662f\u4e0b\u56fe\u4e2d\u7684\u7eff\u8272\u7bad\u5934\u3002<\/p>\n<div class=\"imageleft\"><span class=\"image image-block\"><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/image\/upload\/doc\/trailhead\/en-usaf66eee31ab47e41e7da4b3fdc4747b5.png\" alt=\"helloMessageInteractive and its controller are auto-wired\" width=\"800\" \/><\/span><\/div>\n<p>\u5c06\u4e00\u4e2a\u7279\u5b9a\u7684&lt;lightning\uff1abutton&gt;\u7ec4\u4ef6\u8fde\u63a5\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f &#8211; \u4e5f\u5c31\u662f\u5c06\u4ea7\u751f\u4e8b\u4ef6\u7684\u4e1c\u897f\uff08\u6bd4\u5982\u6309\u94ae\uff09\u8fde\u63a5\u5230\u5904\u7406\u4e8b\u4ef6\u7684\u4e1c\u897f\uff0c\u6bd4\u5982\u4e00\u4e2a\u7279\u5b9a\u7684\u63a7\u5236\u5668\u529f\u80fd &#8211; \u8fd9\u662f\u4f60\u9700\u8981\u7684\u8fde\u7ebf\u81ea\u5df1\u505a\u3002\u5176\u5b9e\uff0c\u4f60\u53ea\u662f\u505a\u4e86\u4f60\u81ea\u5df1\uff01\u8fd9\u4e9b\u662f\u5b8c\u6210\u5de5\u4f5c\u7535\u8def\u6240\u9700\u7684\u7ea2\u8272\u7bad\u5934\u3002<\/p>\n<p>\u5c06{\uff01c.handleClick}\u6dfb\u52a0\u5230&lt;lightning\uff1abutton&gt;\u7ec4\u4ef6\uff081\uff09\u7684onclick\u5c5e\u6027\uff0c\u5c06\u5176\u8fde\u63a5\u5230\u7279\u5b9a\u7684\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u3002\u8c03\u7528component.set\uff08\u201cv.message\u201d\uff0cnewMessage\uff09\uff082\uff09\u5c06\u8be5\u64cd\u4f5c\u5904\u7406\u7a0b\u5e8f\u7684\u7ed3\u679c\u8fde\u63a5\u5230\u7ec4\u4ef6\u7684\u6d88\u606f\u5c5e\u6027\u3002\u5b83\u672c\u8eab\u8fde\u63a5\u5230{\uff01v.message}\u8868\u8fbe\u5f0f\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5c06onclick\u4e8b\u4ef6\u89c6\u4e3a\u6cbf\u7740\u60a8\u521b\u5efa\u7684\u7535\u8def\u6d41\u52a8\u7684\u7535\u5b50\u3002\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u7535\u8def\uff0c\u4e8b\u4ef6\u4e0d\u4f1a\u53d1\u751f\uff0c\u6ca1\u6709\u4efb\u4f55\u53cd\u5e94\u3002\u5f53\u4f60\u5f00\u59cb\u7f16\u5199\u81ea\u5df1\u7684\u7ec4\u4ef6\u65f6\uff0c\u8bb0\u4f4f\u8fd9\u4e00\u70b9\u3002\u4f60\u6709\u4e00\u4e2a\u5b8c\u6574\u7684\u7535\u8def\uff1f\u4f60\u786e\u5b9a\uff1f\u5982\u679c\u6709\u7591\u95ee\uff0c\u6709\u65f6\u5019\u53ef\u4ee5\u5728\u767d\u677f\u6216\u7eb8\u4e0a\u753b\u51fa\u5168\u90e8\u8349\u56fe\uff0c\u5e76\u786e\u8ba4\u6bcf\u4e2a\u8fde\u63a5\u3002<\/p>\n<p>\u4f60\u4f1a\u628a\u7ec4\u4ef6\uff0c\u4e8b\u4ef6\u548c\u5904\u7406\u7a0b\u5e8f\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u6240\u4ee5\u4f60\u7ecf\u5e38\u4f1a\u611f\u89c9\u50cf\u7535\u5de5\u3002 \uff08\u6216\u8005\uff0c\u8003\u8651\u5230\u6846\u67b6\u7684\u540d\u5b57\uff0c\u4e5f\u8bb8\u662f\u672c\u00b7\u5bcc\u5170\u514b\u6797\u3002\uff09\u628a\u4e8b\u60c5\u8054\u7cfb\u5728\u4e00\u8d77\u662fLightning\u7ec4\u4ef6\u7684\u57fa\u672c\u7f16\u7a0b\u6a21\u578b\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u518d\u505a\u4e00\u4e9b\u3002\u6bd5\u7adf\uff0c\u7ec3\u4e60\u662f\u5b8c\u7f8e\u7684\u3002<\/p>\n<\/div>\n<\/div>\n<div id=\"lex_dev_lc_basics_ctlrs_function\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading6\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">\u51fd\u6570\u94fe\u63a5\uff0c\u91cd\u65b0\u5e03\u7ebf\u548c\u7b80\u5355\u8c03\u8bd5<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">\u6211\u4eec\u7684handleClick\u7684\u7b2c\u4e00\u4e2a\u7248\u672c\u662f\u4e09\u884c\u4ee3\u7801\uff0c\u56e0\u4e3a\u6211\u4eec\u5c06get-process-set\u6a21\u5f0f\u4e2d\u7684\u6bcf\u4e00\u6b65\u5206\u89e3\u6210\u5355\u72ec\u7684\u884c\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u53eb\u505a\u51fd\u6570\u94fe\u7684\u4e1c\u897f\u628a\u5b83\u4eec\u6298\u6210\u8f83\u5c11\u7684\u884c\u3002\u7531\u4e8e\u60a8\u53ef\u80fd\u4f1a\u5728\u5176\u4ed6Lightning\u7ec4\u4ef6\u4ee3\u7801\u4e2d\u770b\u5230\u8fd9\u4e00\u70b9\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u8ba9\u5b83\u81ea\u5df1\u65cb\u8f6c\u3002\u5728handleClick\u4e4b\u540e\uff0c\u5c06\u4ee5\u4e0b\u9644\u52a0\u4ee3\u7801\u6dfb\u52a0\u5230helloMessageInteractive\u63a7\u5236\u5668\u4e2d\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">    handleClick2<span class=\"token operator\">:<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span>component<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">,<\/span> helper<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        var newMessage <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.label\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        component<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.message\"<\/span><span class=\"token punctuation\">,<\/span> newMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n\n    handleClick3<span class=\"token operator\">:<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span>component<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">,<\/span> helper<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        component<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.message\"<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.label\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\n<p>Whoopsie\uff01\u5c1d\u8bd5\u4fdd\u5b58\u65f6\u662f\u5426\u51fa\u73b0\u8bed\u6cd5\u9519\u8bef\uff1f\u5f53\u6211\u4eec\u8bf4\u4f60\u9700\u8981\u5728\u4f60\u7684\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u4e4b\u95f4\u6dfb\u52a0\u9017\u53f7\u7684\u65f6\u5019\uff0c\u8bb0\u5f97\u65e9\u4e9b\u65f6\u5019\uff1f\u8fd9\u662f\u8fd9\u4e2a\u95ee\u9898\u3002\u5728handleClick\u7684\u6700\u540e\u4e00\u4e2a\u5927\u62ec\u53f7\uff08\u201c}\u201d\uff09\u540e\u9762\u6dfb\u52a0\u4e00\u4e2a\u9017\u53f7\uff0c\u5c31\u50cf\u4f60\u5728\u524d\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u7684handleClick2\u7684\u672b\u5c3e\u53ef\u4ee5\u770b\u5230\u7684\u90a3\u6837\u3002<\/p>\n<p>\u8fd9\u4e9b\u52a8\u4f5c\u5904\u7406\u7a0b\u5e8f\u4e0ehandleClick\u5b8c\u5168\u76f8\u540c\uff0c\u4f7f\u7528\u66f4\u5c11\u7684\u4ee3\u7801\u884c\u3002\u4ed6\u4eec\u901a\u8fc7\u8df3\u8fc7\u4e2d\u95f4\u53d8\u91cf\u6765\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u901a\u5e38\u901a\u8fc7\u76f4\u63a5\u5c06\u201c\u94fe\u63a5\u201d\u94fe\u63a5\u5230\u4e0b\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\uff0c\u901a\u8fc7\u5c06\u8be5\u8c03\u7528\u6dfb\u52a0\u5230\u524d\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\u7684\u7ed3\u5c3e\uff0c\u4ee5\u53e5\u70b9\u5206\u9694\u3002 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class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">    handleClick2<span class=\"token operator\">:<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span>component<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">,<\/span> helper<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        var newMessage <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.label\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"handleClick2: Message: \"<\/span> <span class=\"token operator\">+<\/span> newMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        component<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"v.message\"<\/span><span class=\"token punctuation\">,<\/span> newMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n<\/code><\/pre>\n<div class=\"toolbar\">\n<div 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\u5b8c\u6210\u672c\u5355\u5143\u540e\uff0c\u60a8\u5c06\u80fd\u591f\uff1a \u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\u63a7\u5236\u5668\u6765\u5904\u7406\u7528\u6237\u64cd\u4f5c\u3002 \u4ece\u7ec4\u4ef6\u5c5e\u6027\u8bfb\u53d6\u503c\u3002 \u4ece\u7ec4\u4ef6\u4e2d\u7684\u7528\u6237\u754c &hellip; <a href=\"http:\/\/www.ponybai.com\/?p=637\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Lightning-\u7ec4\u4ef6\uff085\uff09\u64cd\u4f5c<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-637","post","type-post","status-publish","format-standard","hentry","category-lightning-"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lightning-\u7ec4\u4ef6\uff085\uff09\u64cd\u4f5c - \u767d\u767d\u968f\u7b14<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.ponybai.com\/?p=637\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lightning-\u7ec4\u4ef6\uff085\uff09\u64cd\u4f5c - \u767d\u767d\u968f\u7b14\" \/>\n<meta property=\"og:description\" content=\"\u5b66\u4e60\u76ee\u6807 \u5b8c\u6210\u672c\u5355\u5143\u540e\uff0c\u60a8\u5c06\u80fd\u591f\uff1a \u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\u63a7\u5236\u5668\u6765\u5904\u7406\u7528\u6237\u64cd\u4f5c\u3002 \u4ece\u7ec4\u4ef6\u5c5e\u6027\u8bfb\u53d6\u503c\u3002 \u4ece\u7ec4\u4ef6\u4e2d\u7684\u7528\u6237\u754c &hellip; \u7ee7\u7eed\u9605\u8bfbLightning-\u7ec4\u4ef6\uff085\uff09\u64cd\u4f5c\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.ponybai.com\/?p=637\" \/>\n<meta property=\"og:site_name\" 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