{"id":34047,"date":"2024-11-25T17:14:28","date_gmt":"2024-11-25T09:14:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34047\/"},"modified":"2024-11-25T17:14:28","modified_gmt":"2024-11-25T09:14:28","slug":"%e6%b5%85%e8%b0%88%e5%b0%8f%e7%a8%8b%e5%ba%8f%e8%b7%a8%e9%a1%b5%e9%9d%a2%e4%b9%8b%e9%97%b4%e9%80%9a%e4%bf%a1%e7%9a%84%e5%87%a0%e7%a7%8d%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34047\/","title":{"rendered":"\u6d45\u8c08\u5c0f\u7a0b\u5e8f\u8de8\u9875\u9762\u4e4b\u95f4\u901a\u4fe1\u7684\u51e0\u79cd\u65b9\u5f0f"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u51e0\u79cd\u5e38\u89c1\u7684\u5c0f\u7a0b\u5e8f\u8de8\u9875\u9762\u4e4b\u95f4\u901a\u4fe1\u7684\u65b9\u5f0f\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u53c2\u8003\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/611b2215d41b5817.jpg\" class=\"aligncenter\" title=\"\u6d45\u8c08\u5c0f\u7a0b\u5e8f\u8de8\u9875\u9762\u4e4b\u95f4\u901a\u4fe1\u7684\u51e0\u79cd\u65b9\u5f0f\u63d2\u56fe\" alt=\"\u6d45\u8c08\u5c0f\u7a0b\u5e8f\u8de8\u9875\u9762\u4e4b\u95f4\u901a\u4fe1\u7684\u51e0\u79cd\u65b9\u5f0f\u63d2\u56fe\" \/><\/p>\n<p>\u5c0f\u7a0b\u5e8f\u662f\u7531\u4e00\u4e2a\u4e2apage\u6784\u6210\u7684\uff0c\u5982\u679c\u5b58\u5728\u8def\u7531\u6808\u4e3a[A,B]\uff0cA-&gt;B\u4f20\u503c\u81ea\u7136\u53ef\u4ee5\u4e00\u5c42\u5c42\u4f20\u9012\uff0c\u4f46\u662fB-&gt;A\u4f20\u9012\u6570\u636e\u5c31\u9700\u8981\u989d\u5916\u7684\u8f85\u52a9\u65b9\u5f0f\uff0c\u4ee5\u4e0b\u8ba8\u8bba\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u3010\u76f8\u5173\u5b66\u4e60\u63a8\u8350\uff1a\u3011<\/p>\n<h2><strong>1\u3001localStorage + onShow<\/strong><\/h2>\n<p>\u5e94\u7528\u573a\u666f\uff1aA-&gt;B\/B-&gt;A 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\u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h2><strong>2\u3001globalData + onShow<\/strong><\/h2>\n<p>\u5e94\u7528\u573a\u666f\uff1aA-&gt;B\/B-&gt;A \u90fd\u53ef<\/p>\n<p>\u4f18\u70b9\uff1a\u7b80\u5355\u64cd\u4f5c\uff0c\u6613\u7406\u89e3\uff1b\u76f4\u63a5\u64cd\u4f5cglobalData\u5bf9\u8c61\uff0c\u76f8\u6bd4\u4e8estorage\u6267\u884c\u6548\u7387\u66f4\u9ad8<\/p>\n<p>\u7f3a\u70b9\uff1a\u8bbe\u7f6e\u540e\u662f\u5c0f\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u5185\u90fd\u53ef\u8bbf\u95ee\uff0c\u53ef\u80fd\u6c61\u67d3\u539f\u903b\u8f91\uff0c\u5e94\u53ca\u65f6\u5220\u9664<\/p>\n<p>\u5e94\u7528\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/&nbsp;\u4ee5A-&amp;gt;B\u793a\u4f8b\n\n\/\/&nbsp;A&nbsp;\u9875\u9762\nconst&nbsp;app&nbsp;=&nbsp;getApp();\nPage({\n&nbsp;&nbsp;&nbsp;&nbsp;onShow(){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(app.globalData.$datas){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(app.globalData.$datas)&nbsp;&nbsp;\/\/&nbsp;11111\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;},\n})\n\n\/\/&nbsp;B&nbsp;\u9875\u9762\nconst&nbsp;app&nbsp;=&nbsp;getApp();\nPage({\n&nbsp;&nbsp;&nbsp;&nbsp;someActions(){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;app.globalData.$datas&nbsp;=&nbsp;'11111';\n&nbsp;&nbsp;&nbsp;&nbsp;},\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h2> <strong>3\u3001\u5c0f\u7a0b\u5e8f\u672c\u8eab\u63d0\u4f9b\u7684 <\/strong> <\/h2>\n<p>\u5e94\u7528\u573a\u666f\uff1a\u4e3b\u8981\u662f 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\u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h2><strong>5\u3001\u83b7\u53d6\u9875\u9762\u6808\u5b9e\u4f8b getCurrentPages<\/strong><\/h2>\n<p>\u5e94\u7528\u573a\u666f\uff1a\u4e3b\u8981\u662f B-&gt;A<\/p>\n<p>\u4f18\u70b9\uff1a\u5c0f\u7a0b\u5e8f\u539f\u751f\u63d0\u4f9b\uff0c\u5904\u7406\u903b\u8f91\u57fa\u672c\u90fd\u5728B\u9875\u9762<\/p>\n<p>\u7f3a\u70b9\uff1a\u9700\u8981\u589e\u52a0\u5339\u914d\u9875\u9762\u7684\u76f8\u5e94\u89c4\u5219,\u4e14\u8def\u7531\u6808\u81f3\u5c11\u6709\u4e24\u4e2a\u9875\u9762\u5b58\u5728<\/p>\n<p>\u5e94\u7528\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/&nbsp;A\u9875\u9762\nPage({\n&nbsp;&nbsp;&nbsp;&nbsp;someActions(datas){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(datas);&nbsp;\/\/&nbsp;11111\n&nbsp;&nbsp;&nbsp;&nbsp;},\n})\n\n\n\/\/&nbsp;B\u9875\u9762\nPage({\n&nbsp;&nbsp;&nbsp;&nbsp;someActions(){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const&nbsp;pages&nbsp;=&nbsp;getCurrentPages();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(pages.length&nbsp;&lt;h2&gt;&lt;strong&gt;6\u3001globalData proxy&lt;\/strong&gt;&lt;\/h2&gt;&lt;p&gt;\u6682\u65f6\u672a\u8bd5\u9a8c\u8fd9\u79cd\u65b9\u5f0f\uff0c\u539f\u7406\u4e0a\u53ef\u884c\uff1b&lt;\/p&gt;&lt;p&gt;\u76f8\u5e94\u7684\u539f\u7406\u53ef\u53c2\u8003Vue3\u7684\u6570\u636e\u52ab\u6301\u548c\u8ba2\u9605\u901a\u77e5\u76f8\u7ed3\u5408\uff1b&lt;\/p&gt;&lt;p&gt;\u66f4\u591a\u7f16\u7a0b\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u8bbf\u95ee\uff1a&lt;a href=\"https:\/\/www.php.cn\/course.html\" target=\"_blank\" textvalue=\"\u7f16\u7a0b\u5165\u95e8\"&gt;\u7f16\u7a0b\u5165\u95e8&lt;\/a&gt;\uff01\uff01&lt;\/p&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 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1\u3001localStorage + onShow \u5e94\u7528\u573a\u666f\uff1aA-&gt;B\/B-&gt;A \u90fd\u53ef \u4f18\u70b9\uff1a\u7b80\u5355\u64cd\u4f5c\uff0c\u6613\u7406\u89e3 \u7f3a\u70b9\uff1a\u8c03\u7528\u5230storage\uff0c\u6709\u53ef\u80fd\u8bbe\u7f6e\u5931\u8d25\uff1b\u4e14\u8bbe\u7f6e\u540e\u662f\u6301\u4e45\u7f13\u5b58\uff0c\u53ef\u80fd\u6c61\u67d3\u539f\u903b\u8f91\uff0c\u5e94\u53ca\u65f6\u5220\u9664 \u5e94\u7528\u793a\u4f8b\uff1a \/\/&nbsp;\u4ee5A-&amp;gt;B\u793a\u4f8b \/\/&nbsp;A&nbsp;\u9875\u9762 Page({ &nbsp;&nbsp;&nbsp;&nbsp;onShow(){ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(wx.getStorageSync(&#8216;$datas&#8217;)){ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(wx.getStorageSync(&#8216;$datas&#8217;))&nbsp;&nbsp;\/\/&nbsp;11111 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;}, }) \/\/&nbsp;B&nbsp;\u9875\u9762 Page({ &nbsp;&nbsp;&nbsp;&nbsp;someActions(){ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.setStorageSync(&#8216;$datas&#8217;,&#8217;11111&#8242;) &nbsp;&nbsp;&nbsp;&nbsp;}, }) \u767b\u5f55\u540e\u590d\u5236 2\u3001globalData + onShow \u5e94\u7528\u573a\u666f\uff1aA-&gt;B\/B-&gt;A \u90fd\u53ef \u4f18\u70b9\uff1a\u7b80\u5355\u64cd\u4f5c\uff0c\u6613\u7406\u89e3\uff1b\u76f4\u63a5\u64cd\u4f5cglobalData\u5bf9\u8c61\uff0c\u76f8\u6bd4\u4e8estorage\u6267\u884c\u6548\u7387\u66f4\u9ad8 \u7f3a\u70b9\uff1a\u8bbe\u7f6e\u540e\u662f\u5c0f\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u5185\u90fd\u53ef\u8bbf\u95ee\uff0c\u53ef\u80fd\u6c61\u67d3\u539f\u903b\u8f91\uff0c\u5e94\u53ca\u65f6\u5220\u9664 \u5e94\u7528\u793a\u4f8b\uff1a \/\/&nbsp;\u4ee5A-&amp;gt;B\u793a\u4f8b \/\/&nbsp;A&nbsp;\u9875\u9762 const&nbsp;app&nbsp;=&nbsp;getApp(); Page({ &nbsp;&nbsp;&nbsp;&nbsp;onShow(){ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(app.globalData.$datas){ 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[&hellip;]<\/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-34047","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34047","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=34047"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34047\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}