{"id":34210,"date":"2024-11-25T15:33:22","date_gmt":"2024-11-25T07:33:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34210\/"},"modified":"2024-11-25T15:33:22","modified_gmt":"2024-11-25T07:33:22","slug":"%e8%81%8a%e8%81%8a%e6%80%8e%e4%b9%88%e5%9c%a8%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e5%ae%9e%e7%8e%b0%e4%b8%80%e4%b8%aa%e5%8f%af%e6%88%aa%e6%96%ad%e7%9a%84%e7%80%91%e5%b8%83%e6%b5%81%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34210\/","title":{"rendered":"\u804a\u804a\u600e\u4e48\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u53ef\u622a\u65ad\u7684\u7011\u5e03\u6d41\u7ec4\u4ef6"},"content":{"rendered":"<p>\u600e\u4e48\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u53ef\u622a\u65ad\u7684\u7011\u5e03\u6d41\u7ec4\u4ef6\uff1f\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0\u53ef\u622a\u65ad\u7011\u5e03\u6d41\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/61ee0f52213f1954.jpg\" class=\"aligncenter\" title=\"\u804a\u804a\u600e\u4e48\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u53ef\u622a\u65ad\u7684\u7011\u5e03\u6d41\u7ec4\u4ef6\u63d2\u56fe\" alt=\"\u804a\u804a\u600e\u4e48\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u53ef\u622a\u65ad\u7684\u7011\u5e03\u6d41\u7ec4\u4ef6\u63d2\u56fe\" 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alt=\"\u804a\u804a\u600e\u4e48\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u53ef\u622a\u65ad\u7684\u7011\u5e03\u6d41\u7ec4\u4ef6\u63d2\u56fe1\" 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<\/p>\n<p>\u6a21\u677f\u6bd4\u8f83\u7b80\u5355\uff0c\u4e00\u4e2a container \u5bb9\u5668\uff0c\u7136\u540e\u5faa\u73af\u6570\u7ec4\uff0c\u5e73\u7ea7\u6e32\u67d3\u51fa\u4e00\u5806 wrapper \u5bb9\u5668\u3002<\/p>\n<p>wrapper \u5bb9\u5668\u662f\u4e00\u4e2a\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5305\u88f9\u5143\u7d20\uff0cwrapper \u5bb9\u5668\u91cc\u9762\u9700\u8981\u653e\u7f6e\u9700\u8981\u5b9e\u9645\u6e32\u67d3\u7684\u7ec4\u4ef6\uff0c\u4e3a\u4e86\u7075\u6d3b\u6027\u66f4\u9ad8\u4e00\u70b9\uff0c\u6211\u628a\u8fd9\u4e2a\u6e32\u67d3\u7ec4\u4ef6\u8bbe\u7f6e\u6210\u4e86\u865a\u62df\u8282\u70b9\uff0c\u5728\u4f7f\u7528\u7ec4\u4ef6\u7684\u65f6\u5019\u53ef\u4ee5\u6307\u5b9a\u5b9e\u9645\u6e32\u67d3\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/p>\n<p>\u56e0\u4e3a wrapper \u5143\u7d20\u662f\u7edd\u5bf9\u5b9a\u4f4d\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u624b\u52a8\u53bb\u7ef4\u62a4\u6574\u4e2a container \u5bb9\u5668\u7684\u9ad8\u5ea6\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e2a\u95ee\u9898\u662f\uff0c\u6211\u4eec\u600e\u4e48\u83b7\u53d6\u91cc\u9762\u5143\u7d20\u7684\u9ad8\u5ea6\u5462\uff1f\u6a21\u677f\u4e2d\u7684 computed-zone \u5c31\u662f\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\uff0c\u5728\u5c06\u5143\u7d20\u653e\u7f6e\u5230\u6570\u7ec4\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u628a\u5143\u7d20\u5728 computed-zone \u4e2d\u8fdb\u884c\u6e32\u67d3\uff0c\u7136\u540e\u901a\u8fc7 WXML api \u6765\u83b7\u53d6\u5176\u4e2d\u5143\u7d20\u7684\u5b9e\u9645\u6e32\u67d3\u5c3a\u5bf8\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u77e5\u9053\u8fd9\u4e2a\u5143\u7d20\u5b9e\u9645\u6e32\u67d3\u7684\u5bbd\u9ad8\u5ea6\u4e86\u3002<\/p>\n<p>\u6709\u4e86\u6bcf\u4e2a\u5143\u7d20\u7684\u6e32\u67d3\u5c3a\u5bf8\u4fe1\u606f\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u786e\u8ba4\u5143\u7d20\u5230\u5e95\u662f\u5360\u6ee1\u6574\u884c\uff0c\u8fd8\u662f\u5360\u534a\u8fb9\uff1a<\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u5143\u7d20\u7684\u6e32\u67d3\u5bbd\u5ea6\u8ddf\u5bb9\u5668\u4e00\u6837\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u5224\u65ad\u8fd9\u4e2a\u5143\u7d20\u6cbe\u6ee1\u4e00\u6574\u884c\uff0c\u9700\u8981\u5c06\u5305\u88f9\u5bb9\u5668 wrapper \u8bbe\u7f6e\u4e3a\u4e00\u6574\u884c\u7684\u5bbd\u5ea6\uff1b<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u4e0d\u6ee1\u8db31\u6761\u4ef6\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u57fa\u4e8e\u5de6\u53f3\u5143\u7d20\u7684\u603b\u9ad8\u5ea6\uff0c\u5c06 wrapper \u653e\u5728\u5de6\u4fa7\u6216\u8005\u53f3\u4fa7\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5206\u6790\u4e0b\u6765\uff0c\u9700\u8981\u7a0d\u5fae\u5199\u70b9\u513f\u903b\u8f91\u7684\u5c31\u662f\u5bf9 wrapper \u8ba1\u7b97\u504f\u79fb\u91cf\uff0c\u5904\u7406\u5230\u5e95\u653e\u5de6\u8fb9\u8fd8\u662f\u653e\u53f3\u8fb9\uff0c\u4ea6\u6216\u8005\u5360\u6ee1\u6574\u884c\uff0c\u6838\u5fc3\u7684\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n<pre>{\n\t\/\/&nbsp;\u5c06&nbsp;setData&nbsp;Promise&nbsp;\u5316\uff0c\u65b9\u4fbf\u4f7f\u7528\n\t$setData(data)&nbsp;{\n\t\treturn&nbsp;new&nbsp;Promise(resolve&nbsp;=&amp;gt;&nbsp;{\n\t\t\tthis.setData(data,&nbsp;()&nbsp;=&amp;gt;&nbsp;{\n\t\t\t\tresolve();\n\t\t\t});\n\t\t});\n\t},\n\t\/\/&nbsp;\u83b7\u53d6\u5143\u7d20\u7684\u6e32\u67d3\u5c3a\u5bf8\n\tgetRect(item)&nbsp;{\n\t\treturn&nbsp;this.$setData({\n\t\t\ttmp:&nbsp;item,\n\t\t}).then(()&nbsp;=&amp;gt;&nbsp;{\n\t\t\treturn&nbsp;new&nbsp;Promise((resolve,&nbsp;reject)&nbsp;=&amp;gt;&nbsp;{\n\t\t\t\tconst&nbsp;query&nbsp;=&nbsp;this.createSelectorQuery();&nbsp;\/\/&nbsp;\u6ce8\u610f\u8981\u4f7f\u7528&nbsp;this\uff0c\u4e0d\u8981\u518d\u4f7f\u7528&nbsp;wx&nbsp;\u524d\u7f00\u4e86\n\t\t\t\tquery.select('.computed-zone&nbsp;.wrapper').boundingClientRect();\n\t\t\t\tquery.exec(ret&nbsp;=&amp;gt;&nbsp;{\n\t\t\t\t\tif&nbsp;(ret[0])&nbsp;{\n\t\t\t\t\t\tresolve(ret[0]);\n\t\t\t\t\t}&nbsp;else&nbsp;{\n\t\t\t\t\t\treject('not&nbsp;found&nbsp;dom!');\n\t\t\t\t\t}\n\t\t\t\t});\n\t\t\t});\n\t\t});\n\t},\n\t\/\/&nbsp;\u6dfb\u52a0\u5143\u7d20\uff0c\u5185\u90e8\u4f7f\u7528\n\taddItem(item)&nbsp;{\n\t\tlet&nbsp;tick&nbsp;=&nbsp;this.tick;\n\t\treturn&nbsp;this.getRect(item).then(rect&nbsp;=&amp;gt;&nbsp;{\n\t\t\tif&nbsp;(tick&nbsp;!==&nbsp;this.tick)&nbsp;{\n\t\t\t\treturn&nbsp;Promise.reject('tick');\n\t\t\t}\n\t\t\tconst&nbsp;{&nbsp;margin&nbsp;}&nbsp;=&nbsp;this.data;\n\t\t\tlet&nbsp;{&nbsp;height,&nbsp;width&nbsp;}&nbsp;=&nbsp;rect;\n\t\t\tconst&nbsp;windowWidth&nbsp;=&nbsp;this.sysInfo.windowWidth;\n\t\t\tlet&nbsp;[&nbsp;leftTotal,&nbsp;rightTotal&nbsp;]&nbsp;=&nbsp;this.height;&nbsp;\/\/&nbsp;leftTotal&nbsp;\u5de6\u4fa7\u680f\u9ad8\u5ea6\uff0crightTotal&nbsp;\u53f3\u4fa7\u680f\u9ad8\u5ea6\uff0c\n\t\t\tlet&nbsp;marginPx&nbsp;=&nbsp;this.sysInfo.getPx(margin);\n\t\t\tlet&nbsp;style&nbsp;=&nbsp;'';\n\n\t\t\tif&nbsp;(Math.abs(width&nbsp;-&nbsp;windowWidth)&nbsp;&nbsp;{\n\t\t\treturn&nbsp;this.addItem(item);\n\t\t}).catch(err&nbsp;=&amp;gt;&nbsp;{\n\t\t\tconsole.error(err);\n\t\t\tthis.pending&nbsp;=&nbsp;null;\n\t\t\tthrow&nbsp;err;\n\t\t});\n\t},\n\tclear()&nbsp;{\n\t\tthis.tick&nbsp;=&nbsp;tick++;\n\t\tthis.height&nbsp;=&nbsp;[0,&nbsp;0];\n\t\tthis.pending&nbsp;=&nbsp;null;\n\t\tthis.setData({\n\t\t\tlist:&nbsp;[],\n\t\t\theight:&nbsp;0,\n\t\t});\n\t},\n}<\/pre>\n<p> 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