{"id":34097,"date":"2024-11-25T08:04:08","date_gmt":"2024-11-25T00:04:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34097\/"},"modified":"2024-11-25T08:04:08","modified_gmt":"2024-11-25T00:04:08","slug":"%e4%b8%80%e8%b5%b7%e8%81%8a%e8%81%8a%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e7%9a%84%e7%94%9f%e5%91%bd%e5%91%a8%e6%9c%9f%ef%bc%88%e5%87%bd%e6%95%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34097\/","title":{"rendered":"\u4e00\u8d77\u804a\u804a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e00\u8d77\u770b\u770b\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff0c\u90fd\u6709\u54ea\u4e9b\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u6765\u804a\u4e00\u804a\u5176\u4ece\u89e6\u53d1\u65f6\u673a\u53ca\u5176\u6240\u505a\u7684\u4e8b\u60c5\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/617f4f8b56107718.jpg\" class=\"aligncenter\" title=\"\u4e00\u8d77\u804a\u804a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09\u63d2\u56fe\" alt=\"\u4e00\u8d77\u804a\u804a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09\u63d2\u56fe\" \/><\/p>\n<h2>\u4e00\u3001\u751f\u547d\u5468\u671f<\/h2>\n<p><strong><span style=\"font-size: 16px\">1. \u4ec0\u4e48\u662f\u751f\u547d\u5468\u671f\uff1f<\/span><\/strong><\/p>\n<p>\u751f\u547d\u5468\u671f (Life Cycle) \u662f\u6307\u4e00\u4e2a\u5bf9\u8c61\u4ece \u521b\u5efa -&gt; \u8fd0\u884c -&gt; \u9500\u6bc1 \u7684\u6574\u4e2a\u9636\u6bb5\uff0c\u5f3a\u8c03\u7684\u662f\u4e00\u4e2a\u65f6\u95f4\u6bb5<\/p>\n<p><strong><span style=\"font-size: 16px\">2. \u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f<\/span><\/strong><\/p>\n<ul>\n<li>\u5c0f\u7a0b\u5e8f\u7684 \u542f\u52a8\uff0c\u8868\u793a \u751f\u547d\u5468\u671f\u7684\u5f00\u59cb<\/li>\n<li>\u5c0f\u7a0b\u5e8f\u7684 \u5173\u95ed\uff0c\u8868\u793a \u751f\u547d\u5468\u671f\u7684\u7ed3\u675f<\/li>\n<li>\u4e2d\u95f4\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\uff0c\u5c31\u662f\u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f<\/li>\n<\/ul>\n<p><strong><span style=\"font-size: 16px\">3. \u5c0f\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u5206\u7c7b<\/span><\/strong><\/p>\n<ul>\n<li>\n<p>\u5e94\u7528\u751f\u547d\u5468\u671f \u7279\u6307\u5c0f\u7a0b\u5e8f\u4ece\u542f\u52a8 &#8211;&gt; \u8fd0\u884c &#8211;&gt; \u9500\u6bc1\u7684\u8fc7\u7a0b<\/p>\n<\/li>\n<li>\n<p>\u9875\u9762\u751f\u547d\u5468\u671f \u7279\u6307\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u6bcf\u4e2a\u9875\u9762\u7684\u52a0\u8f7d &#8211;&gt; \u6e32\u67d3 &#8211;&gt; \u9500\u6bc1\u7684\u8fc7\u7a0b<\/p>\n<\/li>\n<li>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u9875\u9762\u7684\u751f\u547d\u5468\u671f\u8303\u56f4\u8f83\u5c0f\uff0c\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u8303\u56f4\u8f83\u5927<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/438\/769\/400\/1635733164494728.png\" class=\"aligncenter\" title=\"\u4e00\u8d77\u804a\u804a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09\u63d2\u56fe1\" alt=\"\u4e00\u8d77\u804a\u804a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09\u63d2\u56fe1\" \/><\/p>\n<h2><strong>\u4e8c\u3001\u751f\u547d\u5468\u671f\u51fd\u6570<\/strong><\/h2>\n<p><strong><span style=\"font-size: 16px\">1. \u4ec0\u4e48\u662f\u751f\u547d\u5468\u671f\u51fd\u6570\uff1f<\/span><\/strong><\/p>\n<ul>\n<li>\n<p>\u5c0f\u7a0b\u5e8f\u6846\u67b6\u63d0\u4f9b\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u4f1a\u4f34\u968f\u7740\u751f\u547d\u5468\u671f\uff0c\u81ea\u52a8\u6309\u6b21\u5e8f\u6267\u884c<\/p>\n<\/li>\n<li>\n<p>\u751f\u547d\u5468\u671f\u51fd\u6570\u7684\u4f5c\u7528\uff1a<\/p>\n<ul>\n<li>\u5141\u8bb8\u7a0b\u5e8f\u5458\u5728\u7279\u5b9a\u7684\u751f\u547d\u5468\u671f\u65f6\u95f4\u70b9\u4e0a\uff0c\u6267\u884c\u67d0\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c<\/li>\n<li>\u4f8b\u5982\uff0c\u9875\u9762\u521a\u52a0\u8f7d\u7684\u65f6\u5019\uff0c\u5728\u751f\u547d\u5468\u671f\u51fd\u6570\u4e2d\u81ea\u52a8\u53d1\u8d77\u6570\u636e\u8bf7\u6c42\uff0c\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u751f\u547d\u5468\u671f\u5f3a\u8c03\u7684\u662f\u65f6\u95f4\u6bb5\uff0c\u751f\u547d\u5468\u671f\u51fd\u6570\u5f3a\u8c03\u7684\u662f\u65f6\u95f4\u70b9\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong><span style=\"font-size: 16px\">2. \u5e94\u7528\u7684\u751f\u547d\u5468\u671f\u51fd\u6570<\/span><\/strong><\/p>\n<ul>\n<li>\n<p>app.js \u662f\u5c0f\u7a0b\u5e8f\u6267\u884c\u7684\u5165\u53e3\u6587\u4ef6\uff0c\u5728 app.js \u4e2d\u5fc5\u987b\u8c03\u7528 App() \u51fd\u6570\uff0c\u4e14\u53ea\u80fd\u8c03\u7528\u4e00\u6b21\u3002\u5176\u4e2d\uff0cApp() \u51fd\u6570\u662f\u7528\u6765\u6ce8\u518c\u5e76\u6267\u884c\u5c0f\u7a0b\u5e8f\u7684<\/p>\n<\/li>\n<li>\n<p>App(Object) \u51fd\u6570\u63a5\u6536\u4e00\u4e2a Object \u53c2\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a Object \u53c2\u6570\uff0c\u6307\u5b9a\u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u51fd\u6570<\/p>\n<\/li>\n<li>\n<p>app.js \u4e2d\u7684\u4ee3\u7801<\/p>\n<\/li>\n<\/ul>\n<p>\u4ee3\u7801\u5982\u4e0b\uff08\u793a\u4f8b\uff09\uff1a<\/p>\n<pre>App({\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u5f53\u5c0f\u7a0b\u5e8f\u521d\u59cb\u5316\u5b8c\u6210\u65f6\uff0c\u4f1a\u89e6\u53d1&nbsp;onLaunch\uff08\u5168\u5c40\u53ea\u89e6\u53d1\u4e00\u6b21\uff09\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onLaunch:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u5f53\u5c0f\u7a0b\u5e8f\u542f\u52a8\uff0c\u6216\u4ece\u540e\u53f0\u8fdb\u5165\u524d\u53f0\u663e\u793a\uff0c\u4f1a\u89e6\u53d1&nbsp;onShow\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onShow:&nbsp;function&nbsp;(options)&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u5f53\u5c0f\u7a0b\u5e8f\u4ece\u524d\u53f0\u8fdb\u5165\u540e\u53f0\uff0c\u4f1a\u89e6\u53d1&nbsp;onHide\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onHide:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u5f53\u5c0f\u7a0b\u5e8f\u53d1\u751f\u811a\u672c\u9519\u8bef\uff0c\u6216\u8005&nbsp;api&nbsp;\u8c03\u7528\u5931\u8d25\u65f6\uff0c\u4f1a\u89e6\u53d1&nbsp;onError&nbsp;\u5e76\u5e26\u4e0a\u9519\u8bef\u4fe1\u606f\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onError:&nbsp;function&nbsp;(msg)&nbsp;{&nbsp;}\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong><span style=\"font-size: 16px\">3. &nbsp;\u9875\u9762\u7684\u751f\u547d\u5468\u671f<\/span><\/strong><\/p>\n<ul>\n<li>\n<p>\u6bcf\u4e2a\u5c0f\u7a0b\u5e8f\u9875\u9762\uff0c\u5fc5\u987b\u62e5\u6709\u81ea\u5df1\u7684 .js \u6587\u4ef6\uff0c\u4e14\u5fc5\u987b\u8c03\u7528 Page() \u51fd\u6570\uff0c\u5426\u5219\u62a5\u9519\u3002\u5176\u4e2d Page() \u51fd\u6570\u7528\u6765\u6ce8\u518c\u5c0f\u7a0b\u5e8f\u9875\u9762<\/p>\n<\/li>\n<li>\n<p>Page(Object) \u51fd\u6570\u63a5\u6536\u4e00\u4e2a Object \u53c2\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a Object \u53c2\u6570\uff0c\u6307\u5b9a\u9875\u9762\u7684\u751f\u547d\u5468\u671f\u51fd\u6570<\/p>\n<\/li>\n<li>\n<p>page.js<\/p>\n<\/li>\n<\/ul>\n<p>\u4ee3\u7801\u5982\u4e0b\uff08\u793a\u4f8b\uff09\uff1a<\/p>\n<pre>\/\/index.js\n\/\/\u83b7\u53d6\u5e94\u7528\u5b9e\u4f8b\nconst&nbsp;app&nbsp;=&nbsp;getApp()\n\nPage({\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u9875\u9762\u7684\u521d\u59cb\u6570\u636e\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;data:&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u751f\u547d\u5468\u671f\u51fd\u6570--\u76d1\u542c\u9875\u9762\u52a0\u8f7d\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onLoad:&nbsp;function&nbsp;(options)&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u751f\u547d\u5468\u671f\u51fd\u6570--\u76d1\u542c\u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onReady:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u751f\u547d\u5468\u671f\u51fd\u6570--\u76d1\u542c\u9875\u9762\u663e\u793a\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onShow:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u751f\u547d\u5468\u671f\u51fd\u6570--\u76d1\u542c\u9875\u9762\u9690\u85cf\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onHide:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u751f\u547d\u5468\u671f\u51fd\u6570--\u76d1\u542c\u9875\u9762\u5378\u8f7d\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onUnload:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u9875\u9762\u76f8\u5173\u4e8b\u4ef6\u5904\u7406\u51fd\u6570--\u76d1\u542c\u7528\u6237\u4e0b\u62c9\u52a8\u4f5c\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onPullDownRefresh:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u9875\u9762\u4e0a\u62c9\u89e6\u5e95\u4e8b\u4ef6\u7684\u5904\u7406\u51fd\u6570\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onReachBottom:&nbsp;function&nbsp;()&nbsp;{&nbsp;},\n\n&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;*&nbsp;\u7528\u6237\u70b9\u51fb\u53f3\u4e0a\u89d2\u5206\u4eab\n&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;onShareAppMessage:&nbsp;function&nbsp;()&nbsp;{&nbsp;}\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong><span style=\"font-size: 16px\">4. \u7ec4\u4ef6\u7684\u5168\u90e8\u751f\u547d\u5468\u671f<\/span><\/strong><\/p>\n<p>\u7ec4\u4ef6\u6709\u54ea\u4e9b\u751f\u547d\u5468\u671f\uff1f\u5206\u522b\u662f\u4ec0\u4e48\u65f6\u5019\uff1f<\/p>\n<table>\n<thead>\n<tr>\n<th>\u751f\u547d\u5468\u671f<\/th>\n<th>\u53c2\u6570<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>created<\/td>\n<td>\u65e0<\/td>\n<td>\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u521a\u521a\u88ab\u521b\u5efa\u65f6\u6267\u884c<\/td>\n<\/tr>\n<tr>\n<td>attached<\/td>\n<td>\u65e0<\/td>\n<td>\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u8fdb\u5165\u9875\u9762\u8282\u70b9\u6811\u65f6\u6267\u884c<\/td>\n<\/tr>\n<tr>\n<td>ready<\/td>\n<td>\u65e0<\/td>\n<td>\u5728\u7ec4\u4ef6\u5728\u89c6\u56fe\u5c42\u5e03\u5c40\u5b8c\u6210\u540e\u6267\u884c<\/td>\n<\/tr>\n<tr>\n<td>moved<\/td>\n<td>\u65e0<\/td>\n<td>\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u88ab\u79fb\u52a8\u5230\u8282\u70b9\u6811\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u65f6\u6267\u884c<\/td>\n<\/tr>\n<tr>\n<td>detached<\/td>\n<td>\u65e0<\/td>\n<td>\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u88ab\u4ece\u9875\u9762\u8282\u70b9\u6811\u79fb\u9664\u65f6\u6267\u884c<\/td>\n<\/tr>\n<tr>\n<td>error<\/td>\n<td>Object Error<\/td>\n<td>\u6bcf\u5f53\u7ec4\u4ef6\u65b9\u6cd5\u629b\u51fa\u9519\u8bef\u65f6\u6267\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><span style=\"font-size: 16px\">5. \u7ec4\u4ef6\u4e3b\u8981\u7684\u751f\u547d\u5468\u671f\u51fd\u6570<\/span><\/strong><\/p>\n<p>data\u5728\u54ea\u4e2a\u751f\u547d\u5468\u671f\u4e2d\u521d\u59cb\u5316\u5b8c\u6bd5\uff1f<\/p>\n<blockquote><p>\n  \u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\uff0c\u6307\u7684\u662f\u7ec4\u4ef6\u81ea\u8eab\u7684\u4e00\u4e9b\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u5728\u7279\u6b8a\u7684\u65f6\u95f4\u70b9\u6216\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u7684\u6846\u67b6\u4e8b\u4ef6\u65f6\u88ab\u81ea\u52a8\u89e6\u53d1\u3002\n<\/p><\/blockquote>\n<p>\u6700\u91cd\u8981\u7684\u751f\u547d\u5468\u671f\u662f created, attached, detached \uff0c\u5305\u542b\u4e00\u4e2a\u7ec4\u4ef6\u5b9e\u4f8b\u751f\u547d\u6d41\u7a0b\u7684\u6700\u4e3b\u8981\u65f6\u95f4\u70b9\u3002<\/p>\n<ul>\n<li>\n<p>\u7ec4\u4ef6\u5b9e\u4f8b\u521a\u521a\u88ab\u521b\u5efa\u597d\u65f6\uff0c created \u751f\u547d\u5468\u671f\u88ab\u89e6\u53d1<\/p>\n<ul>\n<li>\u6b64\u65f6\u8fd8\u4e0d\u80fd\u8c03\u7528 setData<\/li>\n<li>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u751f\u547d\u5468\u671f\u53ea\u5e94\u8be5\u7528\u4e8e\u7ed9\u7ec4\u4ef6 this \u6dfb\u52a0\u4e00\u4e9b\u81ea\u5b9a\u4e49\u5c5e\u6027\u5b57\u6bb5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5728\u7ec4\u4ef6\u5b8c\u5168\u521d\u59cb\u5316\u5b8c\u6bd5\u3001\u8fdb\u5165\u9875\u9762\u8282\u70b9\u6811\u540e\uff0c attached \u751f\u547d\u5468\u671f\u88ab\u89e6\u53d1<\/p>\n<ul>\n<li>this.data \u5df2\u88ab\u521d\u59cb\u5316\u5b8c\u6bd5<\/li>\n<li>\u8fd9\u4e2a\u751f\u547d\u5468\u671f\u5f88\u6709\u7528\uff0c\u7edd\u5927\u591a\u6570\u521d\u59cb\u5316\u5de5\u4f5c\u53ef\u4ee5\u5728\u8fd9\u4e2a\u65f6\u673a\u8fdb\u884c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5728\u7ec4\u4ef6\u79bb\u5f00\u9875\u9762\u8282\u70b9\u6811\u540e\uff0c detached \u751f\u547d\u5468\u671f\u88ab\u89e6\u53d1<\/p>\n<ul>\n<li>\u9000\u51fa\u4e00\u4e2a\u9875\u9762\u65f6\uff0c\u4f1a\u89e6\u53d1\u9875\u9762\u5185\u6bcf\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684detached \u751f\u547d\u5468\u671f\u88ab\u89e6\u53d1<\/li>\n<li>\u5982\u679c\u7ec4\u4ef6\u8fd8\u5728\u9875\u9762\u8282\u70b9\u6811\u4e2d\uff0c\u5219 detached \u4f1a\u88ab\u89e6\u53d1\u3002<\/li>\n<li>\u6b64\u65f6\u9002\u5408\u505a\u4e00\u4e9b\u6e05\u7406\u6027\u8d28\u7684\u5de5\u4f5c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong><span style=\"font-size: 16px\">6. &nbsp;lifetimes \u8282\u70b9<\/span><\/strong><\/p>\n<p>\u540c\u65f6\u4ee5\u4e24\u79cd\u65b9\u5f0f\u58f0\u660e\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u4f1a\u6267\u884c\u54ea\u4e2a\uff1f<\/p>\n<p>\u751f\u547d\u5468\u671f\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5\u5b9a\u4e49\u5728 Component \u6784\u9020\u5668\u7684\u7b2c\u4e00\u7ea7\u53c2\u6570\u4e2d\uff0c\u7ec4\u4ef6\u7684\u7684\u751f\u547d\u5468\u671f\u4e5f\u53ef\u4ee5\u5728 lifetimes \u5b57\u6bb5\u5185\u8fdb\u884c\u58f0\u660e\uff08\u8fd9\u662f\u63a8\u8350\u7684\u65b9\u5f0f\uff0c\u5176\u4f18\u5148\u7ea7\u6700\u9ad8\uff09<\/p>\n<pre>lifetimes:&nbsp;{\n&nbsp;&nbsp;attached&nbsp;()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;console.log('\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u8fdb\u5165\u9875\u9762\u8282\u70b9\u6811')\n&nbsp;&nbsp;},\n&nbsp;&nbsp;detached&nbsp;()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;console.log('\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u88ab\u4ece\u9875\u9762\u8282\u70b9\u6811\u79fb\u9664')\n&nbsp;&nbsp;}\n},\n\nattached&nbsp;()&nbsp;{\n&nbsp;&nbsp;console.log('~~~~~\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u8fdb\u5165\u9875\u9762\u8282\u70b9\u6811')\n},\ndetached&nbsp;()&nbsp;{\n&nbsp;&nbsp;console.log('~~~~~\u5728\u7ec4\u4ef6\u5b9e\u4f8b\u88ab\u4ece\u9875\u9762\u8282\u70b9\u6811\u79fb\u9664')\n},\n\n\/**\n&nbsp;*&nbsp;\u7ec4\u4ef6\u7684\u521d\u59cb\u6570\u636e\n&nbsp;*\/\ndata:&nbsp;{\n&nbsp;&nbsp;\/\/&nbsp;rgb&nbsp;\u7684\u989c\u8272\u503c\u5bf9\u8c61\n&nbsp;&nbsp;_rgb:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;r:&nbsp;0,\n&nbsp;&nbsp;&nbsp;&nbsp;g:&nbsp;0,\n&nbsp;&nbsp;&nbsp;&nbsp;b:&nbsp;0\n&nbsp;&nbsp;},\n&nbsp;&nbsp;\/\/&nbsp;\u6839\u636e&nbsp;rgb&nbsp;\u5bf9\u8c61\u7684\u4e09\u4e2a\u5c5e\u6027\uff0c\u52a8\u6001\u8ba1\u7b97&nbsp;fullColor&nbsp;\u7684\u503c\n&nbsp;&nbsp;fullColor:&nbsp;'0,&nbsp;0,&nbsp;0'\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u66f4\u591a\u7f16\u7a0b\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u8bbf\u95ee\uff1a\uff01\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e00\u8d77\u804a\u804a\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff08\u51fd\u6570\uff09\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e00\u8d77\u770b\u770b\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u751f\u547d\u5468\u671f\uff0c\u90fd\u6709\u54ea\u4e9b\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u6765\u804a\u4e00\u804a\u5176\u4ece\u89e6\u53d1\u65f6\u673a\u53ca\u5176\u6240\u505a\u7684\u4e8b\u60c5\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01 \u4e00\u3001\u751f\u547d\u5468\u671f 1. \u4ec0\u4e48\u662f\u751f\u547d\u5468\u671f\uff1f \u751f\u547d\u5468\u671f (Life Cycle) \u662f\u6307\u4e00\u4e2a\u5bf9\u8c61\u4ece \u521b\u5efa -&gt; \u8fd0\u884c -&gt; \u9500\u6bc1 \u7684\u6574\u4e2a\u9636\u6bb5\uff0c\u5f3a\u8c03\u7684\u662f\u4e00\u4e2a\u65f6\u95f4\u6bb5 2. \u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f \u5c0f\u7a0b\u5e8f\u7684 \u542f\u52a8\uff0c\u8868\u793a \u751f\u547d\u5468\u671f\u7684\u5f00\u59cb \u5c0f\u7a0b\u5e8f\u7684 \u5173\u95ed\uff0c\u8868\u793a \u751f\u547d\u5468\u671f\u7684\u7ed3\u675f \u4e2d\u95f4\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\uff0c\u5c31\u662f\u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f 3. \u5c0f\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u5206\u7c7b \u5e94\u7528\u751f\u547d\u5468\u671f \u7279\u6307\u5c0f\u7a0b\u5e8f\u4ece\u542f\u52a8 &#8211;&gt; \u8fd0\u884c &#8211;&gt; \u9500\u6bc1\u7684\u8fc7\u7a0b \u9875\u9762\u751f\u547d\u5468\u671f \u7279\u6307\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u6bcf\u4e2a\u9875\u9762\u7684\u52a0\u8f7d &#8211;&gt; \u6e32\u67d3 &#8211;&gt; \u9500\u6bc1\u7684\u8fc7\u7a0b \u6ce8\u610f\uff1a\u9875\u9762\u7684\u751f\u547d\u5468\u671f\u8303\u56f4\u8f83\u5c0f\uff0c\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u8303\u56f4\u8f83\u5927 \u4e8c\u3001\u751f\u547d\u5468\u671f\u51fd\u6570 1. \u4ec0\u4e48\u662f\u751f\u547d\u5468\u671f\u51fd\u6570\uff1f \u5c0f\u7a0b\u5e8f\u6846\u67b6\u63d0\u4f9b\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u4f1a\u4f34\u968f\u7740\u751f\u547d\u5468\u671f\uff0c\u81ea\u52a8\u6309\u6b21\u5e8f\u6267\u884c \u751f\u547d\u5468\u671f\u51fd\u6570\u7684\u4f5c\u7528\uff1a \u5141\u8bb8\u7a0b\u5e8f\u5458\u5728\u7279\u5b9a\u7684\u751f\u547d\u5468\u671f\u65f6\u95f4\u70b9\u4e0a\uff0c\u6267\u884c\u67d0\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c \u4f8b\u5982\uff0c\u9875\u9762\u521a\u52a0\u8f7d\u7684\u65f6\u5019\uff0c\u5728\u751f\u547d\u5468\u671f\u51fd\u6570\u4e2d\u81ea\u52a8\u53d1\u8d77\u6570\u636e\u8bf7\u6c42\uff0c\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684\u6570\u636e 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