{"id":29301,"date":"2024-11-25T15:16:14","date_gmt":"2024-11-25T07:16:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/29301\/"},"modified":"2024-11-25T15:16:14","modified_gmt":"2024-11-25T07:16:14","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%bc%80%e5%8f%91%e6%b3%a8%e5%86%8c%e9%a1%b5%e9%9d%a2%e7%9a%84%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/29301\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6ce8\u518c\u9875\u9762\u7684\u4ecb\u7ecd"},"content":{"rendered":"

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\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u2014\u2014Page<\/strong><\/p>\n

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object\u53c2\u6570\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
<\/th>\n\u7c7b\u578b<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
data<\/td>\nObject<\/td>\n\u9875\u9762\u7684\u521d\u59cb\u6570\u636e<\/td>\n<\/tr>\n
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\/\/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 \/\/ 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})<\/pre>\n
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\u521d\u59cb\u5316\u6570\u636e<\/strong><\/p>\n
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\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
<view>{{text}}<\/view><view>{{array[0].msg}}<\/view><\/pre>\n
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Page({\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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\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/strong><\/p>\n
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\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
 click me <\/p>\n
Page({\r\n viewTap: function() {\r\n console.log('view tap')\r\n }\r\n})<\/pre>\n
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Page.prototype.setData()<\/strong><\/p>\n
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\u6ce8\u610f\uff1a
<\/strong><\/p>\n
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<\/strong><\/p>\n
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\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
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 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/index.js\r\nPage({\r\n data: {\r\n text: 'init data',\r\n array: [{text: 'init data'}],\r\n object: {\r\n  text: 'init data'\r\n }\r\n },\r\n changeText: function() {\r\n \/\/ this.data.text = 'changed data' \/\/ bad, it can not work\r\n this.setData({\r\n  text: 'changed data'\r\n })\r\n },\r\n changeItemInArray: function() {\r\n \/\/ you can use this way to modify a danamic data path\r\n var changedData = {}\r\n var index = 0\r\n changedData['array[' + index + '].text'] = 'changed data'\r\n this.setData(changedData)\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 this.setData({\r\n  'newField.text': 'new data'\r\n })\r\n }\r\n})<\/pre>\n
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