{"id":30205,"date":"2024-11-25T08:07:37","date_gmt":"2024-11-25T00:07:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/30205\/"},"modified":"2024-11-25T08:07:37","modified_gmt":"2024-11-25T00:07:37","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%bc%80%e5%8f%91%e4%b9%8bpage%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/30205\/","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4bpage\uff08\uff09\u51fd\u6570"},"content":{"rendered":"

Page<\/p>\n

page()\u51fd\u6570\u7528\u6765\u6ce8\u518c\u4e00\u4e2a\u9875\u9762\u3002\u63a5\u53d7\u4e00\u4e2aobject\u53c2\u6570\uff0c\u5176\u6307\u5b9a\u9875\u9762\u7684\u521d\u59cb\u6570\u636e\u3001\u751f\u547d\u5468\u671f\u51fd\u6570\u3001\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u7b49\u3002<\/p>\n

object\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n

\"\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4bpage\uff08\uff09\u51fd\u6570\u63d2\u56fe\"<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n

\/\/index.js\r\nPage({\r\n  data: {\r\n    text: \"This is page data.\"\r\n  },\r\n  onLoad: function(options) {\r\n    \/\/ Do some initialize when page load.\r\n  },\r\n  onReady: function() {\r\n    \/\/ Do something when page ready.\r\n  },\r\n  onShow: function() {\r\n    \/\/ Do something when page show.\r\n  },\r\n  onHide: function() {\r\n    \/\/ Do something when page hide.\r\n  },\r\n  onUnload: function() {\r\n    \/\/ Do something when page close.\r\n  },\r\n  onPullDownRefresh: function() {\r\n    \/\/ Do something when pull down.\r\n  },  onReachBottom: function() {\r\n    \/\/ Do something when page reach bottom.\r\n  },  onShareAppMessage: function() {\r\n    \/\/ return custom share date when user share.\r\n  },\r\n  \/\/ Event handler.\r\n  viewTap: function() {\r\n    this.setData({\r\n      text: 'Set some data for updating view.'\r\n    })\r\n  },\r\n  customData: {\r\n    hi: 'MINA'\r\n  }\r\n})<\/pre>\n
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<view>{{text}}<\/view><view>{{array[0].msg}}<\/view>\r\nPage({\r\n  data: {\r\n    text: 'init data',\r\n    array: [{msg: '1'}, {msg: '2'}]\r\n  }\r\n})<\/pre>\n
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onShow: \u9875\u9762\u663e\u793a<\/strong><\/p>\n
\u6bcf\u6b21\u6253\u5f00\u9875\u9762\u90fd\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<\/p>\n
onReady: \u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210<\/strong><\/p>\n
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\u5bf9\u754c\u9762\u7684\u8bbe\u7f6e\u5982wx.setNavigationBarTitle\u8bf7\u5728onReady\u4e4b\u540e\u8bbe\u7f6e\u3002\u8be6\u89c1\u751f\u547d\u5468\u671f<\/p>\n
onHide: \u9875\u9762\u9690\u85cf<\/strong><\/p>\n
\u5f53navigateTo\u6216\u5e95\u90e8tab\u5207\u6362\u65f6\u8c03\u7528\u3002<\/p>\n
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onLoad\u53c2\u6570<\/strong><\/p>\n
\"\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4bpage\uff08\uff09\u51fd\u6570\u63d2\u56fe1\"<\/p>\n
\u9875\u9762\u76f8\u5173\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/p>\n
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    \u76d1\u542c\u7528\u6237\u4e0b\u62c9\u5237\u65b0\u4e8b\u4ef6\u3002<\/p>\n
    \u9700\u8981\u5728config\u7684window\u9009\u9879\u4e2d\u5f00\u542fenablePullDownRefresh\u3002<\/p>\n
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onShareAppMessage: \u7528\u6237\u5206\u4eab<\/strong><\/p>\n
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    \u6b64\u4e8b\u4ef6\u9700\u8981 return \u4e00\u4e2a Object\uff0c\u7528\u4e8e\u81ea\u5b9a\u4e49\u5206\u4eab\u5185\u5bb9<\/p>\n
\u81ea\u5b9a\u4e49\u5206\u4eab\u5b57\u6bb5<\/strong><\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n
Page({\r\n  onShareAppMessage: function () {    return {\r\n      title: '\u81ea\u5b9a\u4e49\u5206\u4eab\u6807\u9898',\r\n      path: '\/page\/user?id=123'\r\n    }\r\n  }\r\n})<\/pre>\n
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\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/strong><\/p>\n
    \u9664\u4e86\u521d\u59cb\u5316\u6570\u636e\u548c\u751f\u547d\u5468\u671f\u51fd\u6570\uff0cPage\u4e2d\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e9b\u7279\u6b8a\u7684\u51fd\u6570\uff1a\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002\u5728\u6e32\u67d3\u5c42\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u52a0\u5165\u4e8b\u4ef6\u7ed1\u5b9a\uff0c\u5f53\u8fbe\u5230\u89e6\u53d1\u4e8b\u4ef6\u65f6\uff0c\u5c31\u4f1a\u6267\u884cPage\u4e2d\u5b9a\u4e49\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n
<view> click me <\/view>Page({\r\n  viewTap: function() {\r\n    console.log('view tap')\r\n  }})\r\nPage.prototype.setData()<\/pre>\n
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setData\u51fd\u6570\u7528\u4e8e\u5c06\u6570\u636e\u4ece\u903b\u8f91\u5c42\u53d1\u9001\u5230\u89c6\u56fe\u5c42\uff0c\u540c\u65f6\u6539\u53d8\u5bf9\u5e94\u7684this.data\u7684\u503c\u3002<\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \u76f4\u63a5\u4fee\u6539this.data\u65e0\u6548\uff0c\u65e0\u6cd5\u6539\u53d8\u9875\u9762\u7684\uff0c\u8fd8\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n
    \u5355\u6b21\u8bbe\u7f6e\u7684\u6570\u636e\u4e0d\u80fd\u8d85\u8fc71024kB\uff0c\u8bf7\u5c3d\u91cf\u907f\u514d\u4e00\u6b21\u8bbe\u7f6e\u8fc7\u591a\u7684\u6570\u636e\u3002<\/p>\n
setData()\u53c2\u6570\u683c\u5f0f<\/strong><\/p>\n
    \u63a5\u53d7\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ee5\uff0cvalue\u7684\u5f62\u5f0f\u8868\u793a\u5c06this.data\u4e2d\u7684key\u5bf9\u5e94\u7684\u503c\u6539\u53d8\u6210value\u3002<\/p>\n
    \u5176\u4e2dkey\u53ef\u4ee5\u975e\u5e38\u7075\u6d3b\uff0c\u4ee5\u6570\u636e\u8def\u5f84\u7684\u5f62\u5f0f\u7ed9\u51fa\uff0c\u5982array[2].message\uff0ca.b.c.d\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u5728this.data\u4e2d\u9884\u5148\u5b9a\u4e49\u3002<\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \u76f4\u63a5\u4fee\u6539 this.data \u800c\u4e0d\u8c03\u7528 this.setData \u662f\u65e0\u6cd5\u6539\u53d8\u9875\u9762\u7684\u72b6\u6001\u7684\uff0c\u8fd8\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4<\/p>\n
    \u5355\u6b21\u8bbe\u7f6e\u7684\u6570\u636e\u4e0d\u80fd\u8d85\u8fc71024kB\uff0c\u8bf7\u5c3d\u91cf\u907f\u514d\u4e00\u6b21\u8bbe\u7f6e\u8fc7\u591a\u7684\u6570\u636e\u3002<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n
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 changeText: function() {\r\n    \/\/ this.data.text = 'changed data'\r\n  \/\/ bad, it can not work\r\n    this.setData({\r\n      text: 'changed data'\r\n    })\r\n  },\r\n  changeNum: function() {\r\n    this.data.num = 1\r\n    this.setData({\r\n      num: this.data.num\r\n    })\r\n  },\r\n  changeItemInArray: function()\r\n {\r\n    \/\/ you can use this way to modify a danamic data path\r\n    this.setData({\r\n      'array[0].text':'changed data'\r\n    })\r\n  },\r\n  changeItemInObject: function(){\r\n    this.setData({\r\n      'object.text': 'changed data'\r\n    });\r\n  },\r\n   addNewField: function()\r\n {\r\n    this.setData({\r\n      'newField.text': 'new data'\r\n    })\r\n  }\r\n})<\/pre>\n
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1. \u7279\u522b\u63a8\u8350<\/strong><\/span>\uff1a<\/p>\n
2. <\/p>\n
3. <\/p>\n
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Page page()\u51fd\u6570\u7528\u6765\u6ce8\u518c\u4e00\u4e2a\u9875\u9762\u3002\u63a5\u53d7\u4e00\u4e2aobject\u53c2\u6570\uff0c\u5176\u6307\u5b9a\u9875\u9762\u7684\u521d\u59cb\u6570\u636e\u3001\u751f\u547d\u5468\u671f\u51fd\u6570\u3001\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u7b49\u3002 object\u53c2\u6570\u8bf4\u660e\uff1a \u793a\u4f8b\u4ee3\u7801\uff1a \/\/index.js Page({   data: {     text: “This is page data.”   },   onLoad: function(options) {     \/\/ Do some initialize when page load.   },   onReady: function() {     \/\/ Do something when page ready.   },   onShow: function() {     \/\/ Do something when page show.   },   onHide: function() {     \/\/ Do something when page hide.   },   onUnload: function() {     \/\/ Do something when page close.   },   onPullDownRefresh: function() {     \/\/ Do something when pull down.   },  onReachBottom: function() {     \/\/ Do something when page reach bottom.   },  onShareAppMessage: function() {     \/\/ return custom share date when user share.   },   \/\/ Event handler.   viewTap: function() {     this.setData({       text: ‘Set some data for updating view.’     })   },   customData: {     hi: ‘MINA’   } }) \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\u6570\u636e \u521d\u59cb\u5316\u6570\u636e\u5c06\u4f5c\u4e3a\u9875\u9762\u7684\u7b2c\u4e00\u6b21\u6e32\u67d3\u3002data\u5c06\u4f1a\u4ee5\u7684\u5f62\u5f0f\u7531\u903b\u8f91\u5c42\u4f20\u81f3\u6e32\u67d3\u5c42\uff0c\u6240\u4ee5\u5176\u6570\u636e\u5fc5\u987b\u662f\u53ef\u4ee5\u8f6c\u6210JSON\u7684\u683c\u5f0f\uff1a\uff0c\u6570\u5b57\uff0c\u5e03\u5c14\u503c\uff0c\uff0c\u3002 \u6e32\u67d3\u5c42\u53ef\u4ee5\u901a\u8fc7WXML\u5bf9\u6570\u636e\u8fdb\u884c\u7ed1\u5b9a\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a <view>{{text}}<\/view><view>{{array[0].msg}}<\/view> Page({   data: {     text: ‘init data’,     array: [{msg: ‘1’}, {msg: ‘2’}]   } }) \u767b\u5f55\u540e\u590d\u5236 \u751f\u547d\u5468\u671f\u51fd\u6570 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-30205","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=30205"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30205\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=30205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=30205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=30205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}