{"id":31712,"date":"2024-11-25T13:29:35","date_gmt":"2024-11-25T05:29:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31712\/"},"modified":"2024-11-25T13:29:35","modified_gmt":"2024-11-25T05:29:35","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e8%bf%94%e5%9b%9e%e5%a4%9a%e7%ba%a7%e9%a1%b5%e9%9d%a2%e7%9a%84%e5%ae%9e%e7%8e%b0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31712\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5\u7684\u76f8\u5173\u8d44\u6599,\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u8ba9\u5927\u5bb6\u5b9e\u73b0\u8fd9\u6837\u7684\u529f\u80fd\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b<\/p>\n

\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5<\/strong><\/p>\n

\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u8fd4\u56de\u4e0a\u4e00\u9875\u662f\u5f88\u666e\u904d\u7684\u64cd\u4f5c\uff0c\u6700\u5e38\u89c1\u7684\u662f\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\u548c\u70b9\u51fb\u81ea\u5b9a\u4e49\u7684\u6309\u94ae\u8fd4\u56de\u4e0a\u4e00\u9875\u8fd9\u4e24\u79cd\u60c5\u51b5\u3002\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\u6211\u4eec\u4e0d\u9700\u8981\u505a\u5904\u7406\uff0c\u5982\u679c\u662f\u81ea\u5b9a\u4e49\u6309\u94ae\u5b9e\u73b0\u8fd4\u56de\u6548\u679c\uff0c\u5c31\u8981\u8c03\u7528\u5fae\u4fe1\u63d0\u4f9b\u7684API\uff1a<\/p>\n

wx.navigateBack(OBJECT)<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e5f\u53ef\u4ee5\u901a\u8fc7 wx.navigateBack \u65b9\u6cd5\u5b9e\u73b0\u8fd4\u56de\u591a\u7ea7\u9875\u9762\uff0c\u53ea\u8981\u8bbe\u7f6e delta \u7684\u503c\u5c31\u53ef\u4ee5\uff1a<\/p>\n
\/\/\u5728C\u9875\u9762\u5185 navigateBack\uff0c\u5c06\u8fd4\u56deA\u9875\u9762\uff0cdelta = 1 \u65f6\u4e0e wx.navigateBack() \u6548\u679c\u4e00\u81f4\nwx.navigateBack({\n delta: 2\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f46\u662f\u6709\u4e9b\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\uff0c\u4e5f\u8fd4\u56de\u4e0a\u4e24\u9875\u6216\u8005\u591a\u9875\uff0c\u8fd9\u6837\u5b50\u5c31\u4e0d\u80fd\u76f4\u63a5\u7528\u4e0a\u9762\u7684\u65b9\u6cd5\u6765\u5904\u7406\u4e86\u3002\u6211\u7528\u8fc7\u4e0b\u9762\u7684\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a<\/p>\n
\u65b9\u6cd5\u4e00\uff1a<\/strong>\u5728\u9875\u9762C\u7684 onUnload \u65b9\u6cd5\u91cc\u9762\u8c03\u7528 wx.navigateBack() \uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u8fd4\u56de\u5230\u9875\u9762A\uff0c\u4e0d\u8fc7\u4f1a\u6709\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u628a\u9875\u9762C\u5206\u4eab\u5230\u5fae\u4fe1\u804a\u5929\u4f1a\u8bdd\u91cc\u9762\uff0c\u7136\u540e\u5173\u95ed\u5c0f\u7a0b\u5e8f\uff0c\u518d\u4ece\u804a\u5929\u4f1a\u8bdd\u6253\u5f00\u9875\u9762C\uff0c\u8fd8\u4f1a\u8c03\u7528 wx.navigateBack() \u65b9\u6cd5\uff0c\u5e76\u4e14\u62a5\u8fd9\u4e2a\u5f02\u5e38\uff1a<\/p>\n
WAService.js:9 navigateBack with an unexist webviewId 0<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u65b9\u6cd5\u4e8c\uff1a<\/strong>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u5728\u9875\u9762B\u7684 onShow \u65b9\u6cd5\u4e2d\u8c03\u7528 wx.navigateBack() \u5b9e\u73b0\u8fd4\u56de \uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u65b9\u6cd5\u4e00\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u3002\u5b9e\u73b0\u7684\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n
\u2460 \u5728\u9875\u9762C\u7684 onUnload \u65b9\u6cd5\u91cc\u9762\u5224\u65ad\u662f\u5426\u53ef\u4ee5\u8fd4\u56de\u524dn\u9875\uff0c\u901a\u8fc7 getCurrentPages() \u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u7684\u9875\u9762\u6808\uff0c\u6839\u636e\u9875\u9762\u6808\u7684\u957f\u5ea6\u5224\u65ad\u53ef\u4ee5\u8fd4\u56de\u7684\u5c42\u6570\uff0c\u5e76\u4e14\u53ef\u4ee5\u7ed9\u6240\u6709\u9875\u9762\u7684 data \u8bbe\u7f6e\u53c2\u6570\uff0c\u8fd9\u91cc\u4ee5\u8fd4\u56de\u4e0a\u4e24\u9875\u4e3a\u4f8b\uff1a<\/p>\n
 \/\/\u8fd9\u91cc\u662f\u9875\u9762C\u7684 onUnload \u65b9\u6cd5\n  onUnload: function() {\n    var that = this\n\n    \/\/\u5224\u65ad\u9875\u9762\u6808\u91cc\u9762\u7684\u9875\u9762\u6570\u662f\u5426\u5927\u4e8e2\n    if(getCurrentPages().length &gt; 2) {\n      \/\/\u83b7\u53d6\u9875\u9762\u6808\n      let pages = getCurrentPages()\n      \/\/\u7ed9\u4e0a\u4e00\u4e2a\u9875\u9762\u8bbe\u7f6e\u72b6\u6001\n      let curPage = pages[pages.length - 2];\n      let data = curPage.data;\n      curPage.setData({'isBack': true});\n    }\n  },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u2461 \u5728\u9875\u9762B\u7684 onShow \u65b9\u6cd5\u91cc\u9762\u6839\u636e isBack \u7684\u503c\uff0c\u5224\u65ad\u662f\u5426\u8c03\u7528 wx.navigateBack() \uff1a<\/p>\n
  \/\/\u8fd9\u91cc\u662f\u9875\u9762B\u7684 onShow \u65b9\u6cd5\n  onShow: function() {\n    var that = this\n    \/\/\u5982\u679c isBack \u4e3a true\uff0c\u5c31\u8fd4\u56de\u4e0a\u4e00\u9875\n    if(that.data.isBack) {\n      wx.navigateBack()\n    }\n  },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u65b9\u6cd5\u4e00\u548c\u65b9\u6cd5\u4e8c\u90fd\u4e0d\u662f\u76f4\u63a5\u4ece\u9875\u9762C\u5230\u9875\u9762A\uff0c\u90fd\u662f\u8981\u5148\u7ecf\u8fc7\u9875\u9762B\uff0c\u6240\u4ee5\u4f1a\u51fa\u73b0\u9875\u9762B\u95ea\u4e00\u4e0b\u7684\u60c5\u51b5\uff0c\u5927\u5bb6\u5982\u679c\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u53ef\u4ee5\u544a\u8bc9\u6211\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01<\/p>\n
\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n
<\/p>\n<\/p>\n
<\/span><\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5\u7684\u76f8\u5173\u8d44\u6599,\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u8ba9\u5927\u5bb6\u5b9e\u73b0\u8fd9\u6837\u7684\u529f\u80fd\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd4\u56de\u591a\u7ea7\u9875\u9762\u7684\u5b9e\u73b0\u65b9\u6cd5 \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u8fd4\u56de\u4e0a\u4e00\u9875\u662f\u5f88\u666e\u904d\u7684\u64cd\u4f5c\uff0c\u6700\u5e38\u89c1\u7684\u662f\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\u548c\u70b9\u51fb\u81ea\u5b9a\u4e49\u7684\u6309\u94ae\u8fd4\u56de\u4e0a\u4e00\u9875\u8fd9\u4e24\u79cd\u60c5\u51b5\u3002\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\u6211\u4eec\u4e0d\u9700\u8981\u505a\u5904\u7406\uff0c\u5982\u679c\u662f\u81ea\u5b9a\u4e49\u6309\u94ae\u5b9e\u73b0\u8fd4\u56de\u6548\u679c\uff0c\u5c31\u8981\u8c03\u7528\u5fae\u4fe1\u63d0\u4f9b\u7684API\uff1a wx.navigateBack(OBJECT) \u767b\u5f55\u540e\u590d\u5236 \u4e5f\u53ef\u4ee5\u901a\u8fc7 wx.navigateBack \u65b9\u6cd5\u5b9e\u73b0\u8fd4\u56de\u591a\u7ea7\u9875\u9762\uff0c\u53ea\u8981\u8bbe\u7f6e delta \u7684\u503c\u5c31\u53ef\u4ee5\uff1a \/\/\u5728C\u9875\u9762\u5185 navigateBack\uff0c\u5c06\u8fd4\u56deA\u9875\u9762\uff0cdelta = 1 \u65f6\u4e0e wx.navigateBack() \u6548\u679c\u4e00\u81f4 wx.navigateBack({  delta: 2 }) \u767b\u5f55\u540e\u590d\u5236 \u4f46\u662f\u6709\u4e9b\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u70b9\u51fb\u624b\u673a\u7684\u8fd4\u56de\u952e\uff0c\u4e5f\u8fd4\u56de\u4e0a\u4e24\u9875\u6216\u8005\u591a\u9875\uff0c\u8fd9\u6837\u5b50\u5c31\u4e0d\u80fd\u76f4\u63a5\u7528\u4e0a\u9762\u7684\u65b9\u6cd5\u6765\u5904\u7406\u4e86\u3002\u6211\u7528\u8fc7\u4e0b\u9762\u7684\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a \u65b9\u6cd5\u4e00\uff1a\u5728\u9875\u9762C\u7684 onUnload \u65b9\u6cd5\u91cc\u9762\u8c03\u7528 wx.navigateBack() \uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u8fd4\u56de\u5230\u9875\u9762A\uff0c\u4e0d\u8fc7\u4f1a\u6709\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u628a\u9875\u9762C\u5206\u4eab\u5230\u5fae\u4fe1\u804a\u5929\u4f1a\u8bdd\u91cc\u9762\uff0c\u7136\u540e\u5173\u95ed\u5c0f\u7a0b\u5e8f\uff0c\u518d\u4ece\u804a\u5929\u4f1a\u8bdd\u6253\u5f00\u9875\u9762C\uff0c\u8fd8\u4f1a\u8c03\u7528 wx.navigateBack() \u65b9\u6cd5\uff0c\u5e76\u4e14\u62a5\u8fd9\u4e2a\u5f02\u5e38\uff1a WAService.js:9 navigateBack with an unexist webviewId 0 \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u5728\u9875\u9762B\u7684 onShow \u65b9\u6cd5\u4e2d\u8c03\u7528 wx.navigateBack() \u5b9e\u73b0\u8fd4\u56de \uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u65b9\u6cd5\u4e00\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u3002\u5b9e\u73b0\u7684\u601d\u8def\u5982\u4e0b\uff1a \u2460 \u5728\u9875\u9762C\u7684 onUnload \u65b9\u6cd5\u91cc\u9762\u5224\u65ad\u662f\u5426\u53ef\u4ee5\u8fd4\u56de\u524dn\u9875\uff0c\u901a\u8fc7 getCurrentPages() \u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u7684\u9875\u9762\u6808\uff0c\u6839\u636e\u9875\u9762\u6808\u7684\u957f\u5ea6\u5224\u65ad\u53ef\u4ee5\u8fd4\u56de\u7684\u5c42\u6570\uff0c\u5e76\u4e14\u53ef\u4ee5\u7ed9\u6240\u6709\u9875\u9762\u7684 data \u8bbe\u7f6e\u53c2\u6570\uff0c\u8fd9\u91cc\u4ee5\u8fd4\u56de\u4e0a\u4e24\u9875\u4e3a\u4f8b\uff1a  \/\/\u8fd9\u91cc\u662f\u9875\u9762C\u7684 onUnload \u65b9\u6cd5   onUnload: function() {     var that = this     \/\/\u5224\u65ad\u9875\u9762\u6808\u91cc\u9762\u7684\u9875\u9762\u6570\u662f\u5426\u5927\u4e8e2     if(getCurrentPages().length &gt; 2) {       \/\/\u83b7\u53d6\u9875\u9762\u6808       let pages = getCurrentPages()       \/\/\u7ed9\u4e0a\u4e00\u4e2a\u9875\u9762\u8bbe\u7f6e\u72b6\u6001       let curPage = pages[pages.length – 2];       let data = curPage.data;       curPage.setData({‘isBack’: true});     }   }, \u767b\u5f55\u540e\u590d\u5236 \u2461 \u5728\u9875\u9762B\u7684 […]<\/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-31712","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31712","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=31712"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31712\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}