{"id":28644,"date":"2024-11-25T12:11:24","date_gmt":"2024-11-25T04:11:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/28644\/"},"modified":"2024-11-25T12:11:24","modified_gmt":"2024-11-25T04:11:24","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%bc%80%e5%8f%91%e6%95%99%e7%a8%8b-app%e5%92%8cpage%e5%87%bd%e6%95%b0%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/28644\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b-App()\u548cPage()\u51fd\u6570\u6982\u8ff0"},"content":{"rendered":"

\u4e00\uff0capp()<\/span><\/strong><\/p>\n

\u7528\u6765\u6ce8\u518c\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\u3002\u5728\u5c0f\u7a0b\u5e8f\u542f\u52a8\u7684\u65f6\u5019\u8c03\u7528\uff0c\u5e76\u521b\u5efa\u5c0f\u7a0b\u5e8f\uff0c\u76f4\u5230\u9500\u6bc1\u3002\u5728\u6574\u4e2a\u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u8fc7\u7a0b\u4e2d\uff0c\u5b83\u90fd\u662f\u5b58\u5728\u7684\u3002\u5f88\u663e\u7136\u5b83\u662f\u5355\u4f8b\u7684\uff0c\u5168\u5c40\u7684\u3002\u6240\u4ee5\uff0c<\/span><\/p>\n

1\uff09\u53ea\u80fd\u5728app.js\u4e2d\u6ce8\u518c\u4e00\u6b21\u3002<\/span><\/p>\n

2\uff09\u5728\u4ee3\u7801\u7684\u4efb\u4f55\u5730\u65b9\u90fd\u53ef\u4ee5\u901a\u8fc7 getApp() \u83b7\u53d6\u8fd9\u4e2a\u552f\u4e00\u7684\u5c0f\u7a0b\u5e8f\u5355\u4f8b\uff0c<\/span><\/p>\n

\u6bd4\u5982 var appInstance = getApp();<\/span><\/p>\n

App()\u7684\u53c2\u6570\u662f object \u7c7b\u578b {} \uff0c\u6307\u5b9a\u4e86\u5c0f\u7a0b\u5e8f\u7684\u58f0\u660e\u5468\u671f\u51fd\u6570\u3002
<\/span><\/p>\n

onLaunch \u51fd\u6570
<\/strong><\/span><\/p>\n

\u76d1\u542c\u5c0f\u7a0b\u5e8f\u521d\u59cb\u5316\u3002<\/span><\/p>\n

\u5f53\u5c0f\u7a0b\u5e8f\u521d\u59cb\u5316\u5b8c\u6210\u65f6\uff0c\u4f1a\u89e6\u53d1 onLaunch\uff08\u5168\u5c40\u53ea\u89e6\u53d1\u4e00\u6b21\uff09\u3002<\/span><\/p>\n

onShow \u51fd\u6570<\/strong><\/span><\/p>\n

\u76d1\u542c\u5c0f\u7a0b\u5e8f\u663e\u793a\u3002<\/span><\/p>\n

\u5f53\u5c0f\u7a0b\u5e8f\u542f\u52a8\uff0c\u6216\u4ece\u540e\u53f0\u8fdb\u5165\u524d\u53f0\u663e\u793a\uff0c\u4f1a\u89e6\u53d1\u3002<\/span><\/p>\n

onHide \u51fd\u6570  
<\/strong><\/span><\/p>\n

\u76d1\u542c\u5c0f\u7a0b\u5e8f\u9690\u85cf\u3002<\/span><\/p>\n

\u5f53\u5c0f\u7a0b\u5e8f\u4ece\u524d\u53f0\u8fdb\u5165\u540e\u53f0\uff0c\u4f1a\u89e6\u53d1\u3002
<\/span><\/p>\n

\u6240\u8c13\u524d\u540e\u53f0\u7684\u5b9a\u4e49\uff0c\u7c7b\u4f3c\u4e8e\u624b\u673a\u4e0a\u7684app\uff0c\u6bd4\u5982\u5f53\u4e0d\u5728\u4f7f\u7528\u5fae\u4fe1\u65f6\uff0c\u5c31\u8fdb\u5165\u4e86\u540e\u53f0\u3002<\/span><\/p>\n

globalData \u5bf9\u8c61<\/strong>
<\/span><\/p>\n

\u5168\u5c40\u6570\u636e\u3002<\/span><\/p>\n

\u4ee3\u7801\u548c\u65e5\u5fd7\u53c2\u8003\uff0c\u5982\u4e0b\u52a8\u56fe\uff1a<\/strong><\/span><\/p>\n

<\/span><\/p>\n

\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b-App()\u548cPage()\u51fd\u6570\u6982\u8ff0\u63d2\u56fe\"<\/p>\n

\u4e8c\u3001Page()\u51fd\u6570<\/span><\/p>\n

\u901a\u8fc7App()\u6ce8\u518c\u5b8c\u6210\u5c0f\u7a0b\u5e8f\u4e4b\u540e\uff0c\u6846\u67b6\u5c31\u5f00\u59cb\u6ce8\u518c\u9875\u9762\u3002\u6240\u4ee5\u4e0d\u8981\u5728App()\u7684 onLaunch \u4e2d\u8c03\u7528 getCurrentPage() \u65b9\u6cd5\uff0c\u56e0\u4e3a\u6b64\u65f6\u9875\u9762\u8fd8\u6ca1\u6709\u6ce8\u518c\u5b8c\u6210\u3002<\/span><\/p>\n

\u540c\u6837\u7684Page()\u4e5f\u662f\u6709\u751f\u547d\u5468\u671f\u7684\u3002\u5f53\u9875\u9762\u6ce8\u518c\u5b8c\u6210\u4e4b\u540e\uff0c\u53ef\u4ee5\u5728 page.js \u6587\u4ef6\u4e2d\u8c03\u7528 getCurrentPage() \u65b9\u6cd5\uff0c\u83b7\u53d6\u5f53\u524d\u9875\u9762\u5bf9\u8c61\u3002<\/span><\/p>\n

2.1\uff0cPage()\u7684\u53c2\u6570\u4e5f\u662fObject\u7c7b\u578b\u3002<\/strong>
onLoad  <\/strong>
\u76d1\u542c\u9875\u9762\u52a0\u8f7d<\/span><\/p>\n

\u9875\u9762\u521a\u5f00\u59cb\u52a0\u8f7d\u7684\u65f6\u5019\u89e6\u53d1\u3002\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<\/span><\/p>\n

onReady <\/strong>
\u76d1\u542c\u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210
<\/span><\/p>\n

\u7c7b\u4f3c\u4e8ehtml\u7684 onReady\u3002\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<\/span><\/p>\n

onShow  <\/strong>
\u76d1\u542c\u9875\u9762\u663e\u793a
<\/span><\/p>\n

\u9875\u9762\u663e\u793a\u7684\u65f6\u5019\u89e6\u53d1\uff0c\u6bd4\u5982\u9875\u9762\u5207\u6362<\/span><\/p>\n

onHide <\/strong>
\u76d1\u542c\u9875\u9762\u9690\u85cf<\/span><\/p>\n

\u548conShow\u5bf9\u5e94<\/span><\/p>\n

onUnload  <\/strong>  
\u76d1\u542c\u9875\u9762\u5378\u8f7d
<\/span><\/p>\n

\u5728 redirectTo \u6216 navigateBack \u7684\u65f6\u5019\u8c03\u7528<\/span><\/p>\n

onPullDownRefresh<\/strong>   
\u76d1\u542c\u7528\u6237\u4e0b\u62c9\u52a8
<\/span><\/p>\n

1\uff09\u9700\u8981\u5728config\u7684window\u9009\u9879\u4e2d\u5f00\u542fenablePullDownRefresh\u3002
2\uff09\u5f53\u5904\u7406\u5b8c\u6570\u636e\u5237\u65b0\u540e\uff0cwx.stopPullDownRefresh \u53ef\u4ee5\u505c\u6b62\u5f53\u524d\u9875\u9762\u7684\u4e0b\u62c9\u5237\u65b0\u3002<\/span><\/p>\n

onReachBottom <\/strong>  
\u9875\u9762\u4e0a\u62c9\u89e6\u5e95\u4e8b\u4ef6\u7684\u5904\u7406\u51fd\u6570<\/span><\/p>\n

data<\/strong><\/span><\/p>\n

\u9875\u9762\u7684\u521d\u59cb\u6570\u636e<\/span><\/p>\n

2.2\uff0cPage.prototype.setData()<\/strong><\/span><\/p>\n

Page\u7684\u51fd\u6570 setData() \u7528\u4e8e\u9875\u9762\u521d\u59cb\u6570\u636edata\u7684\u4fee\u6539\u3002\u5982\u679c\u8be5\u6570\u636e\u7ed1\u5b9a\u5230\u4e86\u89c6\u56fe\u5c42wxml\u4e2d\u5c55\u793a\uff0c\u90a3\u4e48\u65e0\u987b\u5237\u65b0\uff0c\u89c6\u56fe\u5c42\u5c31\u4f1a\u53cd\u6620\u51fa\u4fee\u6539\u3002<\/span><\/p>\n

\u5bf9\u4e8edata\u7684\u4fee\u6539\uff0c\u53ea\u80fd\u4f7f\u7528 setData() \uff0c\u4e0d\u80fd\u76f4\u63a5\u901a\u8fc7 this.data \u8fdb\u884c\u4fee\u6539\u3002\u6570\u636e\u91cf\u9650\u5236\u5728 1024 kb\u4ee5\u5185\u3002<\/span><\/p>\n

2.3\uff0cgetCurrentPages()<\/strong>
,\u83b7\u53d6\u5f53\u524d\u9875\u9762\u6808\u7684\u5b9e\u4f8b\uff0c\u4ee5\u6570\u7ec4\u5f62\u5f0f\u6309\u6808\u7684\u987a\u5e8f\u7ed9\u51fa\uff0c\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a\u9996\u9875\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u4e3a\u5f53\u524d\u9875\u9762\u3002<\/span><\/p>\n

2.4\uff0c\u6848\u4f8b\u52a8\u56fe<\/strong><\/span><\/p>\n

<\/span><\/p>\n

\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b-App()\u548cPage()\u51fd\u6570\u6982\u8ff0\u63d2\u56fe1\"<\/p>\n

\u4e09\u3001\u9875\u9762\u6808<\/span><\/p>\n

\u6846\u67b6\u4ee5\u6808\u7684\u5f62\u5f0f\u7ef4\u62a4\u4e86\u5f53\u524d\u7684\u6240\u6709\u9875\u9762\u3002 \u5f53\u53d1\u751f\u8def\u7531\u5207\u6362\u7684\u65f6\u5019\uff0c\u9875\u9762\u6808\u7684\u8868\u73b0\u5982\u4e0b\uff1a<\/span><\/p>\n\n\n\n\n\n\n\n\n
\u8def\u7531\u65b9\u5f0f    <\/strong><\/td>\n\n

\u9875\u9762\u6808\u8868\u73b0<\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

\u521d\u59cb\u5316<\/p>\n<\/td>\n

\n

\u65b0\u9875\u9762\u5165\u6808<\/p>\n<\/td>\n<\/tr>\n

\n

\u6253\u5f00\u65b0\u9875\u9762<\/p>\n<\/td>\n

\n

\u65b0\u9875\u9762\u5165\u6808<\/p>\n<\/td>\n<\/tr>\n

\n

\u9875\u9762\u91cd\u5b9a\u5411<\/p>\n<\/td>\n

\n

<\/p>\n

\u5f53\u524d\u9875\u9762\u51fa\u6808\uff0c<\/p>\n

\u65b0\u9875\u9762\u5165\u6808<\/p>\n<\/td>\n<\/tr>\n

\n

\u9875\u9762\u8fd4\u56de<\/p>\n<\/td>\n

\n

<\/p>\n

\u9875\u9762\u4e0d\u65ad\u51fa\u6808\uff0c\u76f4\u5230\u76ee\u6807\u8fd4\u56de\u9875\u9762\uff0c<\/p>\n

\u65b0\u9875\u9762\u5165\u6808<\/p>\n<\/td>\n<\/tr>\n

\n

Tab \u5207\u6362<\/p>\n<\/td>\n

\n

<\/p>\n

\u5f53\u524d\u9875\u9762\u51fa\u6808\uff0c<\/p>\n

\u65b0\u9875\u9762\u5165\u6808<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u56db\u3001\u751f\u547d\u5468\u671f<\/span>
\u4e0b\u56fe\u8bf4\u660e\u4e86 Page \u5b9e\u4f8b\u7684\u751f\u547d\u5468\u671f\u3002<\/span><\/span><\/p>\n

<\/span><\/p>\n

\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b-App()\u548cPage()\u51fd\u6570\u6982\u8ff0\u63d2\u56fe2\"<\/p>\n

\u4e94\uff0c\u9875\u9762\u8def\u7531<\/span><\/p>\n\n\n\n\n\n\n\n\n
\u8def\u7531\u65b9\u5f0f<\/strong><\/td>\n\n

\u8def\u7531\u540e\u9875\u9762<\/strong><\/p>\n<\/td>\n

\n

\u8def\u7531\u524d\u9875\u9762<\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

\u521d\u59cb\u5316<\/p>\n<\/td>\n

\n

<\/p>\n

onLoad\uff0c<\/p>\n

onShow<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\u6253\u5f00\u65b0\u9875\u9762<\/td>\n\n

<\/p>\n

onLoad\uff0c<\/p>\n

onShow<\/p>\n<\/td>\n

\n

onHide<\/p>\n<\/td>\n<\/tr>\n

\n

\u9875\u9762\u91cd\u5b9a\u5411<\/p>\n<\/td>\n

\n

<\/p>\n

onLoad\uff0c<\/p>\n

onShow<\/p>\n<\/td>\n

\n

onUnload<\/p>\n<\/td>\n<\/tr>\n

\n

\u9875\u9762\u8fd4\u56de<\/p>\n<\/td>\n

\n

onShow<\/p>\n<\/td>\n

\n

onUnload\uff08\u591a\u5c42\u9875\u9762\u8fd4\u56de\u6bcf\u4e2a\u9875\u9762\u90fd\u4f1a\u6309\u987a\u5e8f\u89e6\u53d1onUnload\uff09<\/p>\n<\/td>\n<\/tr>\n

\n

Tab \u5207\u6362<\/p>\n<\/td>\n

\n

<\/p>\n

\u7b2c\u4e00\u6b21\u6253\u5f00 <\/p>\n

onLoad\uff0conshow\uff1b<\/p>\n

\u5426\u5219 onShow<\/td>\n

\n

onHide<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u66f4\u591a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b-App()\u548cPage()\u51fd\u6570\u6982\u8ff0\u76f8\u5173\u6587\u7ae0\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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