{"id":31639,"date":"2024-11-25T15:03:21","date_gmt":"2024-11-25T07:03:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31639\/"},"modified":"2024-11-25T15:03:21","modified_gmt":"2024-11-25T07:03:21","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f-page%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0%e7%9a%84%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31639\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f Page\uff08\uff09\u51fd\u6570\u7684\u4ecb\u7ecd"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f page\uff08\uff09\u51fd\u6570\u8be6\u89e3\u7684\u76f8\u5173\u8d44\u6599,\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u80af\u5b9a\u4f1a\u9047\u5230page\uff08\uff09\u51fd\u6570\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b<\/p>\n<p><strong>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u2014\u2014Page\uff08\uff09:<\/strong><\/p>\n<p><strong>&nbsp;<\/strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5728\u5f00\u53d1\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u65f6\u5019\u9047\u5230\u51fd\u6570\uff0c\u6216\u8005\u4e0d\u660e\u767d\u7684\u5730\u65b9\uff0c\u6700\u597d\u4e0a\u5b98\u7f51\u67e5\u8be2\uff0c\u76f8\u5e94\u7684\u77e5\u8bc6\uff0c\u8fd9\u91cc\u5c0f\u7f16\u5e2e\u5927\u5bb6\u6574\u7406\u4e86\u4e0bpage()\u51fd\u6570\u7684\u7528\u6cd5\u3002<\/p>\n<p>Page() \u51fd\u6570\u7528\u6765\u6ce8\u518c\u4e00\u4e2a\u9875\u9762\u3002\u63a5\u53d7\u4e00\u4e2a object \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<p><strong>object \u53c2\u6570\u8bf4\u660e\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027&nbsp;<\/th>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>data<\/td>\n<td>Object<\/td>\n<td>\u9875\u9762\u7684\u521d\u59cb\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>onLoad<\/td>\n<td>Function<\/td>\n<td>\u751f\u547d\u5468\u671f\u51fd\u6570&#8211;\u76d1\u542c\u9875\u9762\u52a0\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>onReady<\/td>\n<td>Function<\/td>\n<td>\u751f\u547d\u5468\u671f\u51fd\u6570&#8211;\u76d1\u542c\u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210<\/td>\n<\/tr>\n<tr>\n<td>onShow<\/td>\n<td>Function<\/td>\n<td>\u751f\u547d\u5468\u671f\u51fd\u6570&#8211;\u76d1\u542c\u9875\u9762\u663e\u793a<\/td>\n<\/tr>\n<tr>\n<td>onHide<\/td>\n<td>Function<\/td>\n<td>\u751f\u547d\u5468\u671f\u51fd\u6570&#8211;\u76d1\u542c\u9875\u9762\u9690\u85cf<\/td>\n<\/tr>\n<tr>\n<td>onUnload<\/td>\n<td>Function<\/td>\n<td>\u751f\u547d\u5468\u671f\u51fd\u6570&#8211;\u76d1\u542c\u9875\u9762\u5378\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>onPullDownRefreash<\/td>\n<td>Function<\/td>\n<td>\u9875\u9762\u76f8\u5173\u4e8b\u4ef6\u5904\u7406\u51fd\u6570&#8211;\u76d1\u542c\u7528\u6237\u4e0b\u62c9\u52a8\u4f5c<\/td>\n<\/tr>\n<tr>\n<td>\u5176\u4ed6<\/td>\n<td>Any<\/td>\n<td>\u5f00\u53d1\u8005\u53ef\u4ee5\u6dfb\u52a0\u4efb\u610f\u7684\u51fd\u6570\u6216\u6570\u636e\u5230 object \u53c2\u6570\u4e2d\uff0c\u7528&nbsp;this&nbsp;\u53ef\u4ee5\u8bbf\u95ee<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<pre>\/\/index.js&nbsp;\nPage({&nbsp;\n&nbsp;data:&nbsp;{&nbsp;\n&nbsp;&nbsp;text:&nbsp;\"This&nbsp;is&nbsp;page&nbsp;data.\"&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onLoad:&nbsp;function(options)&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;some&nbsp;initialize&nbsp;when&nbsp;page&nbsp;load.&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onReady:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;something&nbsp;when&nbsp;page&nbsp;ready.&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onShow:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;something&nbsp;when&nbsp;page&nbsp;show.&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onHide:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;something&nbsp;when&nbsp;page&nbsp;hide.&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onUnload:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;something&nbsp;when&nbsp;page&nbsp;close.&nbsp;\n&nbsp;},&nbsp;\n&nbsp;onPullDownRefresh:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;Do&nbsp;something&nbsp;when&nbsp;pull&nbsp;down&nbsp;\n&nbsp;},&nbsp;\n&nbsp;\/\/&nbsp;Event&nbsp;handler.&nbsp;\n&nbsp;viewTap:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;this.setData({&nbsp;\n&nbsp;&nbsp;&nbsp;text:&nbsp;'Set&nbsp;some&nbsp;data&nbsp;for&nbsp;updating&nbsp;view.'&nbsp;\n&nbsp;&nbsp;})&nbsp;\n&nbsp;}&nbsp;\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u521d\u59cb\u5316\u6570\u636e<\/strong><\/p>\n<p>\u521d\u59cb\u5316\u6570\u636e\u5c06\u4f5c\u4e3a\u9875\u9762\u7684\u7b2c\u4e00\u6b21\u6e32\u67d3\u3002data \u5c06\u4f1a\u4ee5 JSON \u7684\u5f62\u5f0f\u7531\u903b\u8f91\u5c42\u4f20\u81f3\u6e32\u67d3\u5c42\uff0c\u6240\u4ee5\u5176\u6570\u636e\u5fc5\u987b\u662f\u53ef\u4ee5\u8f6c\u6210 JSON \u7684\u683c\u5f0f\uff1a\u5b57\u7b26\u4e32\uff0c\u6570\u5b57\uff0c\u5e03\u5c14\u503c\uff0c\u5bf9\u8c61\uff0c\u6570\u7ec4\u3002<br \/>\u6e32\u67d3\u5c42\u53ef\u4ee5\u901a\u8fc7 WXML \u5bf9\u6570\u636e\u8fdb\u884c\u7ed1\u5b9a\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<pre>&lt;view&gt;{{text}}&lt;\/view&gt;&nbsp;\n&lt;view&gt;{{array[0].msg}}&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<\/p>\n<pre>Page({&nbsp;\n&nbsp;data:&nbsp;{&nbsp;\n&nbsp;&nbsp;text:&nbsp;'init&nbsp;data',&nbsp;\n&nbsp;&nbsp;array:&nbsp;[{msg:&nbsp;'1'},&nbsp;{msg:&nbsp;'2'}]&nbsp;\n&nbsp;}&nbsp;\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u751f\u547d\u5468\u671f\u51fd\u6570<\/strong><\/p>\n<p>onLoad: \u9875\u9762\u52a0\u8f7d<\/p>\n<p>\u4e00\u4e2a\u9875\u9762\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<\/p>\n<p>\u53c2\u6570\u53ef\u4ee5\u83b7\u53d6wx.navigateTo\u548cwx.redirectTo\u53ca \u4e2d\u7684 query\u3002<\/p>\n<p>onShow: \u9875\u9762\u663e\u793a<\/p>\n<p>\u6bcf\u6b21\u6253\u5f00\u9875\u9762\u90fd\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<\/p>\n<p>onReady: \u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210<\/p>\n<p>\u4e00\u4e2a\u9875\u9762\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\uff0c\u4ee3\u8868\u9875\u9762\u5df2\u7ecf\u51c6\u5907\u59a5\u5f53\uff0c\u53ef\u4ee5\u548c\u89c6\u56fe\u5c42\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p>\u5bf9\u754c\u9762\u7684\u8bbe\u7f6e\u5982wx.setNavigationBarTitle\u8bf7\u5728onReady\u4e4b\u540e\u8bbe\u7f6e\u3002\u8be6\u89c1\u751f\u547d\u5468\u671f<\/p>\n<p>onHide: \u9875\u9762\u9690\u85cf<\/p>\n<p>\u5f53navigateTo\u6216\u5e95\u90e8tab\u5207\u6362\u65f6\u8c03\u7528\u3002<\/p>\n<p>onUnload: \u9875\u9762\u5378\u8f7d<\/p>\n<p>\u5f53redirectTo\u6216navigateBack\u7684\u65f6\u5019\u8c03\u7528\u3002<\/p>\n<p><strong>\u9875\u9762\u76f8\u5173\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/strong><\/p>\n<p>onPullDownRefresh: \u4e0b\u62c9\u5237\u65b0<\/p>\n<p>\u76d1\u542c\u7528\u6237\u4e0b\u62c9\u5237\u65b0\u4e8b\u4ef6\u3002<\/p>\n<p>\u9700\u8981\u5728config\u7684window\u9009\u9879\u4e2d\u5f00\u542fenablePullDownRefresh\u3002<\/p>\n<p>\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<\/p>\n<p><strong>\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/strong><\/p>\n<p>\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\u884c Page \u4e2d\u5b9a\u4e49\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<p> click me &nbsp;<\/p>\n<\/p>\n<pre>Page({&nbsp;\n&nbsp;viewTap:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;console.log('view&nbsp;tap')&nbsp;\n&nbsp;}&nbsp;\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>Page.prototype.setData()<\/strong><\/p>\n<p>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\u7684 this.data \u7684\u503c\u3002<\/p>\n<p><span style=\"color: #ff0000\">\u6ce8\u610f\uff1a<\/span><\/p>\n<p>\u76f4\u63a5\u4fee\u6539 this.data \u65e0\u6548\uff0c\u65e0\u6cd5\u6539\u53d8\u9875\u9762\u7684\u72b6\u6001\uff0c\u8fd8\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u3002<br \/>\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<p><strong>setData() \u53c2\u6570\u683c\u5f0f<\/strong><\/p>\n<p>\u63a5\u53d7\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ee5 key\uff0cvalue \u7684\u5f62\u5f0f\u8868\u793a\u5c06 this.data \u4e2d\u7684 key \u5bf9\u5e94\u7684\u503c\u6539\u53d8\u6210 value\u3002<br \/>\u5176\u4e2d key \u53ef\u4ee5\u975e\u5e38\u7075\u6d3b\uff0c\u4ee5\u6570\u636e\u8def\u5f84\u7684\u5f62\u5f0f\u7ed9\u51fa\uff0c\u5982 array[2].message\uff0ca.b.c.d\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u5728 this.data \u4e2d\u9884\u5148\u5b9a\u4e49\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<pre>&lt;view&gt;{{text}}&lt;\/view&gt;&nbsp;\n&lt;button&gt;&nbsp;Change&nbsp;normal&nbsp;data&nbsp;&lt;\/button&gt;&nbsp;\n&lt;view&gt;{{array[0].text}}&lt;\/view&gt;&nbsp;\n&lt;button&gt;&nbsp;Change&nbsp;Array&nbsp;data&nbsp;&lt;\/button&gt;&nbsp;\n&lt;view&gt;{{obj.text}}&lt;\/view&gt;&nbsp;\n&lt;button&gt;&nbsp;Change&nbsp;Object&nbsp;data&nbsp;&lt;\/button&gt;&nbsp;\n&lt;view&gt;{{newField.text}}&lt;\/view&gt;&nbsp;\n&lt;button&gt;&nbsp;Add&nbsp;new&nbsp;data&nbsp;&lt;\/button&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<\/p>\n<pre>\/\/index.js&nbsp;\nPage({&nbsp;\n&nbsp;data:&nbsp;{&nbsp;\n&nbsp;&nbsp;text:&nbsp;'init&nbsp;data',&nbsp;\n&nbsp;&nbsp;array:&nbsp;[{text:&nbsp;'init&nbsp;data'}],&nbsp;\n&nbsp;&nbsp;object:&nbsp;{&nbsp;\n&nbsp;&nbsp;&nbsp;text:&nbsp;'init&nbsp;data'&nbsp;\n&nbsp;&nbsp;}&nbsp;\n&nbsp;},&nbsp;\n&nbsp;changeText:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;this.data.text&nbsp;=&nbsp;'changed&nbsp;data'&nbsp;\/\/&nbsp;bad,&nbsp;it&nbsp;can&nbsp;not&nbsp;work&nbsp;\n&nbsp;&nbsp;this.setData({&nbsp;\n&nbsp;&nbsp;&nbsp;text:&nbsp;'changed&nbsp;data'&nbsp;\n&nbsp;&nbsp;})&nbsp;\n&nbsp;},&nbsp;\n&nbsp;changeItemInArray:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;you&nbsp;can&nbsp;use&nbsp;this&nbsp;way&nbsp;to&nbsp;modify&nbsp;a&nbsp;danamic&nbsp;data&nbsp;path&nbsp;\n&nbsp;&nbsp;this.setData({&nbsp;\n&nbsp;&nbsp;&nbsp;'array[0].text':'changed&nbsp;data'&nbsp;\n&nbsp;&nbsp;})&nbsp;\n&nbsp;},&nbsp;\n&nbsp;changeItemInObject:&nbsp;function(){&nbsp;\n&nbsp;&nbsp;this.setData({&nbsp;\n&nbsp;&nbsp;&nbsp;'object.text':&nbsp;'changed&nbsp;data'&nbsp;\n&nbsp;&nbsp;});&nbsp;\n&nbsp;},&nbsp;\n&nbsp;addNewField:&nbsp;function()&nbsp;{&nbsp;\n&nbsp;&nbsp;this.setData({&nbsp;\n&nbsp;&nbsp;&nbsp;'newField.text':&nbsp;'new&nbsp;data'&nbsp;\n&nbsp;&nbsp;})&nbsp;\n&nbsp;}&nbsp;\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0b\u5185\u5bb9\u4f60\u4e0d\u9700\u8981\u7acb\u9a6c\u5b8c\u5168\u5f04\u660e\u767d\uff0c\u4e0d\u8fc7\u4ee5\u540e\u5b83\u4f1a\u6709\u5e2e\u52a9\u3002<\/p>\n<p><strong>\u751f\u547d\u5468\u671f<\/strong><\/p>\n<p>\u4e0b\u56fe\u8bf4\u660e\u4e86 Page \u5b9e\u4f8b\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/009\/d45b45d267abd0c3ec2fc805e133f557-0.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f Page\uff08\uff09\u51fd\u6570\u7684\u4ecb\u7ecd\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f Page\uff08\uff09\u51fd\u6570\u7684\u4ecb\u7ecd\u63d2\u56fe\" \/><\/p>\n<p><strong>\u9875\u9762\u7684\u8def\u7531<br \/><\/strong><\/p>\n<p>\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u6240\u6709\u9875\u9762\u7684\u8def\u7531\u5168\u90e8\u7531\u6846\u67b6\u8fdb\u884c\u7ba1\u7406\uff0c\u5bf9\u4e8e\u8def\u7531\u7684\u89e6\u53d1\u65b9\u5f0f\u4ee5\u53ca\u9875\u9762\u751f\u547d\u5468\u671f\u51fd\u6570\u5982\u4e0b\uff1a<br \/>\u8def\u7531\u65b9\u5f0f<\/p>\n<p>&nbsp;&nbsp;\u89e6\u53d1\u65f6\u673a&nbsp;\u8def\u7531\u540e\u9875\u9762&nbsp;\u8def\u7531\u524d\u9875\u9762<\/p>\n<table>\n<thead>\n<tr>\n<th> &nbsp; &nbsp; &nbsp;\u89e6\u53d1\u65f6\u673a<\/th>\n<th>\u8def\u7531\u540e\u9875\u9762<\/th>\n<th>\u8def\u7531\u524d\u9875\u9762<\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u521d\u59cb\u5316<\/td>\n<td>\u5c0f\u7a0b\u5e8f\u6253\u5f00\u7684\u7b2c\u4e00\u4e2a\u9875\u9762<\/td>\n<td>onLoad\uff0conShow<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>\u6253\u5f00\u65b0\u9875\u9762<\/td>\n<td>\u8c03\u7528 API&nbsp;wx.navigateTo&nbsp;\u6216\u4f7f\u7528\u7ec4\u4ef6 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