{"id":33328,"date":"2024-11-25T14:13:39","date_gmt":"2024-11-25T06:13:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33328\/"},"modified":"2024-11-25T14:13:39","modified_gmt":"2024-11-25T06:13:39","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e7%9a%84%e5%87%a0%e7%82%b9%e5%ae%9e%e8%b7%b5%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33328\/","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7"},"content":{"rendered":"

\"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe\" <\/p>\n

\n \u5927\u5bb6\u597d\uff0c\u6211\u53eb\u5f20\u6587\u8f69\uff0c\u8fd9\u662f\u6211\u7684\u7b2c6\u7bc7\u5206\u4eab\n<\/p><\/blockquote>\n

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\u8bc4\u5224\u5c0f\u7a0b\u5e8f\u9875\u9762\u6027\u80fd<\/span><\/h2>\n

\u7531\u4e8e\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u73af\u5883\u7684\u7279\u6b8a\u6027\uff0c\u6211\u4eec\u4e0d\u80fd\u50cf\u666e\u901a\u7f51\u9875\u90a3\u6837\u901a\u8fc7chrome\u5f00\u53d1\u5de5\u5177\u6216\u8005\u4e00\u4e9b\u6210\u719f\u7684\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177\uff08\u4f8b\u5982Lighthouse\uff09\u6765\u4e86\u89e3\u4e00\u4e2a\u9875\u9762\u7684\u6027\u80fd\uff0c\u4f46\u5fae\u4fe1\u5b98\u65b9\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6027\u80fd\u8bc4\u5206\u7684\u5de5\u5177\uff0c\u70b9\u51fb\u8fd9\u91cc\u53ef\u4ee5\u67e5\u770b\u5de5\u5177\u8be6\u60c5\u3002<\/p>\n

\n

\u4f53\u9a8c\u8bc4\u5206\u662f\u4e00\u9879\u7ed9\u5c0f\u7a0b\u5e8f\u7684\u4f53\u9a8c\u597d\u574f\u6253\u5206\u7684\u529f\u80fd\uff0c\u5b83\u4f1a\u5728\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5b9e\u65f6\u68c0\u67e5\uff0c\u5206\u6790\u51fa\u4e00\u4e9b\u53ef\u80fd\u5bfc\u81f4\u4f53\u9a8c\u4e0d\u597d\u7684\u5730\u65b9\uff0c\u5e76\u4e14\u5b9a\u4f4d\u51fa\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u4ee5\u53ca\u7ed9\u51fa\u4e00\u4e9b\u4f18\u5316\u5efa\u8bae\u3002<\/span><\/p>\n<\/blockquote>\n

\u540e\u9762\u6211\u4f1a\u4ee5\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u5c55\u793a\u5982\u4f55\u901a\u8fc7\u8be5\u5de5\u5177\u6765\u4f18\u5316\u9875\u9762\u6027\u80fd\uff0c\u6211\u4eec\u5148\u770b\u4e0b\u6211\u4eec\u9875\u9762\u4f18\u5316\u524d\u7684\u4e00\u4e2a\u8bc4\u5206\u60c5\u51b5\u3002<\/p>\n

\"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe1\" <\/p>\n

\u5b58\u5728setData\u7684\u6570\u636e\u8fc7\u5927<\/strong><\/p>\n

\"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe2\" <\/p>\n

\u6211\u4eec\u7684\u529f\u80fd\u91cc\u9762\u6709\u4e2a\u6eda\u52a8\u5230\u5e95\u90e8\u52a0\u8f7d\u7684\u529f\u80fd\uff0c\u4f18\u5316\u524d\u6211\u4eec\u7684\u505a\u6cd5\u662f\u8fd9\u6837\u7684<\/p>\n

<!--\u53ea\u9610\u8ff0\u903b\u8f91\uff0c\u975e\u771f\u5b9e\u4ee3\u7801-->\n\n\/\/ 1: \u521d\u59cb\u4e00\u4e2alist\uff0c\u5b58\u50a8\u5217\u8868\u6570\u636e\ndata = startList\n\/\/ 2: \u76d1\u542c\u6eda\u52a8\u4e8b\u4ef6\uff0c\u6eda\u52a8\u5230\u5e95\u90e8\u83b7\u53d6\u65b0\u6570\u636e\uff0c\u5e76\u8ffd\u52a0\u5230list\u5c3e\u90e8,\u6700\u540e\u91cd\u65b0setData\nonReachBottom:()=>{\n    const {list} = this.data\n    fetchNewData().then((res)=>{\n        list.push(res.list);\n        this.setData({list})\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6211\u4f30\u8ba1\u5927\u90e8\u5206\u4eba\u9762\u5bf9\u957f\u5217\u8868\u6eda\u52a8\u7684\u65f6\u5019\uff0c\u4e00\u5f00\u59cb\u7684\u5904\u7406\u65b9\u5f0f\u90fd\u662f\u8fd9\u6837\u7684\uff0c\u5982\u679c\u6570\u636e\u4e0d\u591a\uff0c\u53ea\u6709\u51e0\u9875\u53ef\u80fd\u4e0d\u4f1a\u592a\u66b4\u9732\u95ee\u9898\uff0c\u5982\u679c\u9875\u6570\u8fc7\u591a\uff0c\u51e0\u5341\u9875\u751a\u81f3\u4e0a\u767e\u9875\u7684\u60c5\u51b5\uff0clist\u7684\u6570\u636e\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u6bcf\u6b21setData\u7684\u6570\u636e\u5c31\u4f1a\u8d8a\u6765\u8d8a\u591a\uff0c\u56e0\u800c\u6bcf\u6b21\u9875\u9762\u91cd\u65b0\u6e32\u67d3\u7684\u8282\u70b9\u5c31\u4f1a\u8d8a\u6765\u8d8a\u591a\uff0c\u4ece\u800c\u5bfc\u81f4\u6eda\u52a8\u5230\u540e\u9762\uff0c\u52a0\u8f7d\u8d8a\u6765\u8d8a\u6162\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u5c0f\u7a0b\u5e8f\u7684\u89c6\u56fe\u6e32\u67d3\u5c42\u548c\u6570\u636e\u903b\u8f91\u5904\u7406\u5c42\u662f\u5206\u5f00\u7684\uff0c\u4e0d\u662f\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4e0a\u9762\u7684\uff0c\u4ece\u7528\u6237\u89e6\u53d1\u9875\u9762\u4ea4\u4e92\uff0c\u5230\u5904\u7406\u6570\u636e\u903b\u8f91\uff0c\u6700\u540e\u5c42\u73b0\u9875\u9762\uff0c\u6570\u636e\u5230\u89c6\u56fe\u662f\u9700\u8981\u4f20\u8f93\u7684\uff0c\u56e0\u800c\u5c0f\u7a0b\u5e8f\u672c\u8eab\u5bf9\u6570\u636e\u5927\u5c0f\u4e5f\u6709\u9650\u5236\uff0c\u4e0d\u80fd\u8d85\u8fc71M\u3002<\/p>\n
setData\u6570\u636e\u8def\u5f84<\/span><\/h3>\n
\u600e\u4e48\u89e3\u51b3\u5462\uff1f\u5c0f\u7a0b\u5e8fsetData\u91cc\u9762\u7684key\u652f\u6301\u6570\u636e\u8def\u5f84\u7684\u5199\u6cd5\uff0c\u6bd4\u5982<\/p>\n
let o = obj;\nthis.setData({ \n  'o.\u5c5e\u6027'\uff1avalue\n})\n\n\u6216\u8005let a = array;\nthis.setData({ \n  'array[0].text':value\n})<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u8def\u5f84\u7684\u5199\u6cd5\uff0c\u6765\u5c06\u6570\u636e\u5206\u6279\u7684\u4f20\u8f93\u5230\u89c6\u56fe\u5c42\u4e2d\uff0c\u51cf\u5c11\u4e00\u6b21\u6027setData\u7684\u6570\u636e\u5927\u5c0f<\/strong>\u3002\u5177\u4f53\u5199\u6cd5\u5982\u4e0b<\/p>\n
\/\/ 1.\u901a\u8fc7\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u6570\u636elet feedList = [[array]];\n\n\/\/ 2.\u7ef4\u62a4\u4e00\u4e2a\u9875\u9762\u53d8\u91cf\u503c\uff0c\u52a0\u8f7d\u5b8c\u4e00\u6b21\u6570\u636epage++let page = 1\n\n\/\/ 3.\u9875\u9762\u6bcf\u6b21\u6eda\u52a8\u5230\u5e95\u90e8\uff0c\u901a\u8fc7\u6570\u636e\u8def\u5f84\u66f4\u65b0\u6570\u636e\nonReachBottom:()=>{\n    fetchNewData().then((newVal)=>{\n        this.setData({\n            ['feedList[' + (page - 1) + ']']: newVal,\n        })\n    }\n}\n\/\/ 4.\u6700\u7ec8\u6211\u4eec\u7684\u6570\u636e\u662f[[array1],[array2]]\u8fd9\u6837\u7684\u683c\u5f0f\uff0c\u7136\u540e\u901a\u8fc7wx:for\u904d\u5386\u6e32\u67d3\u6570\u636e<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5b58\u5728\u77ed\u65f6\u95f4\u5185\u53d1\u8d77\u592a\u591a\u56fe\u7247\u8bf7\u6c42\uff08\u56fe\u7247\u61d2\u52a0\u8f7d\uff09<\/span><\/h2>\n
\u8fd9\u4e2a\u5e94\u8be5\u597d\u7406\u89e3\uff0c\u5c31\u662f\u6e32\u67d3\u9875\u9762\u65f6\uff0c\u4e00\u6b21\u6027\u53d1\u9001\u4e86\u8fc7\u591a\u7684\u56fe\u7247\u8bf7\u6c42\uff0c\u5bfc\u81f4\u4e86\u540c\u4e00\u65f6\u95f4\u53d1\u8d77\u4e86\u8fc7\u591a\u7684http\u8bf7\u6c42\uff0chttp\u8fde\u63a5\u662f\u975e\u5e38\u8017\u65f6\u7684\uff0c\u5c24\u5176\u662f\u4e00\u6b21\u6027\u53d1\u8d77\u8fd9\u4e48\u591a\uff0c\u5e76\u4e14\u4e00\u6b21\u6027\u53d1\u8d77\u7684http\u94fe\u63a5\u4e5f\u662f\u6709\u9650\u5236\u7684\uff0c\u6bd4\u5982chrome\u6d4f\u89c8\u5668\u5c31\u9650\u5236\u4e00\u6b21\u6027\u6700\u591a6\u4e2a\u3002<\/p>\n
\u6240\u4ee5\u5728\u6e32\u67d3\u9875\u9762\u65f6\uff0c\u4e0d\u5728\u89c6\u56fe\u8303\u56f4\u5185\u7684\u56fe\u7247\u6211\u4eec\u4e0d\u52a0\u8f7d\uff0c\u53ea\u6709\u5143\u7d20\u51fa\u73b0\u5728\u89c6\u56fe\u8303\u56f4\u5185\u4e86\uff0c\u518d\u6e32\u67d3\u3002<\/p>\n
\u5e38\u89c4\u7684\u505a\u6cd5\u662f\uff0c\u901a\u8fc7getBoundingClientRect()\u83b7\u53d6\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u4e0e\u9875\u9762\u6eda\u52a8\u4f4d\u7f6e\u6bd4\u8f83\uff0c\u5982\u679c\u51fa\u73b0\u5728\u89c6\u56fe\u5185\uff0c\u5c31\u5c06img\u663e\u793a\u3002\u8fd9\u79cd\u65b9\u5f0f\u67092\u4e2a\u95ee\u9898<\/p>\n
    \n
  • getBoundingClientRect()\u65b9\u6cd5\u8c03\u7528\u672c\u8eab\u5bb9\u6613\u5f15\u8d77\u9875\u9762\u91cd\u6392<\/span><\/li>\n
  • \u76d1\u542c\u6eda\u52a8\u4e8b\u4ef6\u672c\u8eab\u5c31\u9891\u7e41\u89e6\u53d1\uff0c\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u8282\u6d41\u7684\u65b9\u5f0f\u6765\u51cf\u5c11\uff0c\u4f46\u8fd8\u662f\u5bb9\u6613\u589e\u52a0\u65e0\u8c13\u4ee3\u7801\u5904\u7406<\/span><\/li>\n<\/ul>\n
    IntersectionObserver<\/span><\/h3>\n
    \u5176\u5b9e\uff0c\u5fae\u4fe1\u63d0\u4f9b\u4e86IntersectionObserver\u5bf9\u8c61\u3002<\/p>\n
    \n
    IntersectionObserver \u5bf9\u8c61\uff0c\u7528\u4e8e\u63a8\u65ad\u67d0\u4e9b\u8282\u70b9\u662f\u5426\u53ef\u4ee5\u88ab\u7528\u6237\u770b\u89c1\u3001\u6709\u591a\u5927\u6bd4\u4f8b\u53ef\u4ee5\u88ab\u7528\u6237\u770b\u89c1<\/span><\/p>\n<\/blockquote>\n
    \u901a\u8fc7\u8fd9\u4e2aapi\u6211\u4eec\u4e0d\u7528\u518d\u4e3b\u52a8\u53bb\u76d1\u542c\u5143\u7d20\u4f4d\u7f6e\u4e86\uff0c\u5728\u9875\u9762\u6e32\u67d3\u4e00\u5f00\u59cb\uff0c\u901a\u8fc7\u8fd9\u4e2aapi\u6307\u660e\u9700\u8981\u76d1\u542c\u7684\u5143\u7d20\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u53bb\u76d1\u542c\u4e86\u5143\u7d20\u4f4d\u7f6e\u3002<\/p>\n
    let data = list;\n\n<img  class=\"img-{{index}}\" wx:for=\"{{data}}\" alt=\"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\" ><\/img>\n\ndata.forEach((item,index)=>{\n    this.createIntersectionObserver().relativeToViewport.observe(`.img-${index}`,res=>{\n            if (res.intersectionRatio > 0){\n            this.setData({\n                item.imgShow:true\n            })\n        }\n    })\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    intersectionRatio\u503c\u5927\u4e8e0\uff0c\u8bf4\u660e\u5143\u7d20\u51fa\u73b0\u5728\u89c6\u56fe\u4e2d\u4e86\uff0c\u91cd\u65b0setData\u6570\u636e\uff0c\u663e\u793a\u56fe\u7247\u7ec4\u4ef6\u3002<\/p>\n
    \u5b58\u5728\u56fe\u7247\u592a\u5927\u800c\u663e\u793a\u533a\u57df\u8fc7\u5c0f<\/span><\/h2>\n
    \u8fd9\u4e2a\u95ee\u9898\u5c31\u662f\u6307\u56fe\u7247\u5c3a\u5bf8\u592a\u5927\u4e86\uff0c\u800c\u9875\u9762\u4e0a\u6211\u4eec\u663e\u793a\u7684\u5c3a\u5bf8\u53c8\u592a\u5c0f\u4e86\uff0c\u56fe\u7247\u5c3a\u5bf8\u5927\uff0c\u8bf7\u6c42\u56fe\u7247\u5c31\u8d8a\u6162\uff0c\u5bfc\u81f4\u9875\u9762\u6e32\u67d3\u901f\u5ea6\u4e0b\u964d\u3002<\/p>\n
    CDN\u56fe\u7247\u5904\u7406<\/span><\/h3>\n
    \u5bf9\u4e8e\u9875\u9762\u91cc\u9762\u7684\u56fe\u7247\uff0c\u6700\u597d\u90fd\u628a\u56fe\u7247\u5b58\u50a8\u5728cdn\u670d\u52a1\u5668\u4e0a\uff0c\u4e00\u4e2a\u662f\u80fd\u5145\u5206\u5229\u7528cdn\u7f13\u5b58\u6765\u52a0\u5feb\u8bf7\u6c42\u901f\u5ea6\uff0c\u53e6\u5916\u4e00\u4e2a\u5c31\u662fcdn\u4e0a\u80fd\u591f\u5c06\u56fe\u7247\u8fdb\u884c\u4e00\u5b9a\u7684\u5904\u7406\uff0c\u6bd4\u5982\u88c1\u526a\u3002\u6211\u53f8\u5c31\u662f\u901a\u8fc7cdn\u6765\u54cd\u5e94\u56fe\u7247\u5904\u7406\uff0c\u7136\u540e\u8bf7\u6c42\u56fe\u7247\u65f6\u544a\u8bc9cdn\u670d\u52a1\u5668\u9700\u8981\u4ec0\u4e48\u8981\u7684\u5c3a\u5bf8\u56fe\u7247\uff0c\u7531cdn\u670d\u52a1\u5668\u54cd\u5e94\u5bf9\u5e94\u5c3a\u5bf8\u56fe\u7247\u3002<\/p>\n
    key\u503c\u5728\u5217\u8868\u6e32\u67d3\u4e2d\u7684\u4f5c\u7528<\/span><\/h2>\n
    key\u503c\u5728\u5217\u8868\u6e32\u67d3\u7684\u65f6\u5019\uff0c\u80fd\u591f\u63d0\u5347\u5217\u8868\u6e32\u67d3\u6027\u80fd\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u9996\u5148\u5f97\u60f3\u60f3\u5c0f\u7a0b\u5e8f\u7684\u9875\u9762\u662f\u5982\u4f55\u6e32\u67d3\u7684\uff0c\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u6b65\uff1a<\/p>\n
      \n
    1. \u5c06wxml\u7ed3\u6784\u7684\u6587\u6863\u6784\u5efa\u6210\u4e00\u4e2avdom\u865a\u62df\u6570<\/li>\n
    2. \u9875\u9762\u6709\u65b0\u7684\u4ea4\u4e92\uff0c\u4ea7\u751f\u65b0\u7684vdom\u6570\uff0c\u7136\u540e\u4e0e\u65e7\u6570\u8fdb\u884c\u6bd4\u8f83\uff0c\u770b\u54ea\u91cc\u6709\u53d8\u5316\u4e86\uff0c\u505a\u5bf9\u5e94\u7684\u4fee\u6539\uff08\u5220\u9664\u3001\u79fb\u52a8\u3001\u66f4\u65b0\u503c\uff09\u7b49\u64cd\u4f5c<\/li>\n
    3. \u6700\u540e\u518d\u5c06vdom\u6e32\u67d3\u6210\u771f\u5b9e\u7684\u9875\u9762\u7ed3\u6784<\/li>\n<\/ol>\n
      key\u503c\u7684\u4f5c\u7528\u5c31\u5728\u7b2c\u4e8c\u6b65\uff0c\u5f53\u6570\u636e\u6539\u53d8\u89e6\u53d1\u6e32\u67d3\u5c42\u91cd\u65b0\u6e32\u67d3\u7684\u65f6\u5019\uff0c\u4f1a\u6821\u6b63\u5e26\u6709 key \u7684\u7ec4\u4ef6\uff0c\u6846\u67b6\u4f1a\u786e\u4fdd\u4ed6\u4eec\u88ab\u91cd\u65b0\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u91cd\u65b0\u521b\u5efa\uff0c\u4ee5\u786e\u4fdd\u4f7f\u7ec4\u4ef6\u4fdd\u6301\u81ea\u8eab\u7684\u72b6\u6001\uff0c\u5e76\u4e14\u63d0\u9ad8\u5217\u8868\u6e32\u67d3\u65f6\u7684\u6548\u7387\u3002<\/p>\n
      key\u503c\u5982\u679c\u4e0d\u6307\u660e\uff0c\u9ed8\u8ba4\u4f1a\u6309\u6570\u7ec4\u7684\u7d22\u5f15\u6765\u5904\u7406\uff0c\u56e0\u800c\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u7c7b\u4f3cinput\u7b49\u8f93\u5165\u6846\u7ec4\u4ef6\u7684\u503c\u51fa\u73b0\u6df7\u4e71\u7684\u95ee\u9898\u3002<\/p>\n
      \"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe3\" <\/p>\n
      \u76f8\u5173\u6d4b\u8bd5\u4ee3\u7801\u53ef\u4ee5\u67e5\u770b\uff1awxkey<\/p>\n
      \u53ef\u4ee5\u770b\u5230<\/p>\n
        \n
      • \u4e0d\u52a0key,\u5728\u6570\u7ec4\u672b\u5c3e\u8ffd\u52a0\u5143\u7d20\uff0c\u4e4b\u524d\u5df2\u6e32\u67d3\u7684\u5143\u7d20\u4e0d\u4f1a\u91cd\u65b0\u6e32\u67d3\u3002\u4f46\u5982\u679c\u662f\u5728\u5934\u90e8\u6216\u8005\u4e2d\u95f4\u63d2\u5165\u5143\u7d20\uff0c\u6574\u4e2alist\u88ab\u5220\u9664\u91cd\u65b0\u6e32\u67d3\uff0c\u4e14input\u7ec4\u4ef6\u7684\u503c\u8fd8\u51fa\u73b0\u4e86\u6df7\u4e71\uff0c\u503c\u6ca1\u6709\u6b63\u5e38\u88ab\u66f4\u65b0<\/span><\/li>\n
      • \u6dfb\u52a0key\uff0c\u5728\u6570\u7ec4\u672b\u5c3e\u3001\u4e2d\u95f4\u3001\u6216\u8005\u5934\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u5176\u5b83\u5df2\u5b58\u5728\u7684\u5143\u7d20\u90fd\u4e0d\u4f1a\u88ab\u91cd\u65b0\u6e32\u67d3\uff0c\u503c\u4e5f\u80fd\u6b63\u5e38\u88ab\u66f4\u65b0<\/span><\/li>\n<\/ul>\n
        \u56e0\u800c\uff0c\u5728\u505alist\u6e32\u67d3\u65f6\uff0c\u5982\u679clist\u7684\u987a\u5e8f\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u6700\u597d\u589e\u52a0key\uff0c\u4e14\u4e0d\u8981\u7b80\u5355\u7684\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5f53\u505akey<\/strong>\u3002<\/p>\n
        \u6700\u540e\u770b\u770b\u6211\u4eec\u7684\u6210\u679c\uff1a<\/p>\n
        \"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe4\" <\/p>\n
        \u4f53\u9a8c\u7801\uff1a<\/p>\n
        \"\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\u63d2\u56fe5\" <\/p>\n
        \u5e0c\u671b\u4eca\u5929\u6211\u7684\u5206\u4eab\u80fd\u5bf9\u60a8\u4f18\u5316\u5c0f\u7a0b\u5e8f\u9875\u9762\u6709\u4e00\u5b9a\u7684\u542f\u793a\uff0c\u521b\u9020\u51fa\u6027\u80fd\u66f4\u597d\u66f4\u6d41\u7545\u7684\u9875\u9762\u3002<\/p>\n
        \u6700\u540e\u5982\u679c\u559c\u6b22\u6211\u7684\u6587\u7ae0\uff0c\u6b22\u8fce\u70b9\u51fb\u5173\u6ce8\uff0c\u6211\u4f1a\u4e0d\u5b9a\u671f\u7684\u5206\u4eab\u81ea\u5df1\u7684\u4e00\u4e9b\u6240\u770b\u6240\u60f3\uff0c\u548c\u5927\u5bb6\u4e00\u8d77\u6210\u957f\uff0c\u6301\u7eed\u5b66\u4e60\u3002<\/p>\n
        \u63a8\u8350\u6559\u7a0b\uff1a\u300a\u300b<\/p>\n
        \u4ee5\u4e0a\u5c31\u662f\u5c0f\u7a0b\u5e8f\u6027\u80fd\u4f18\u5316\u7684\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\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":"
        \u5927\u5bb6\u597d\uff0c\u6211\u53eb\u5f20\u6587\u8f69\uff0c\u8fd9\u662f\u6211\u7684\u7b2c6\u7bc7\u5206\u4eab \u6211\u4eec\u90fd\u77e5\u9053\uff0c\u6027\u80fd\u7684\u597d\u574f\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u7684\u4f53\u9a8c\u3002\u672c\u6587\u9996\u5148\u8bba\u8ff0\u4e0b\u5982\u4f55\u8bc4\u5224\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\u9875\u9762\u7684\u6027\u80fd\u60c5\u51b5\uff0c\u4e4b\u540e\u901a\u8fc7\u5177\u4f53\u7684\u6848\u4f8b\u91cd\u70b9\u8bb2\u89e3\u4e0b\u51e0\u70b9\u5b9e\u8df5\u6280\u5de7\uff0c\u6700\u540e\u518d\u8bb2\u8bb2key\u503c\u5728\u6e32\u67d3\u4e00\u4e2a\u5217\u8868\u65f6\u53d1\u6325\u4e86\u4e00\u4e2a\u600e\u4e48\u6837\u7684\u4f5c\u7528\uff0c\u4ee5\u6b64\u6765\u8bba\u8ff0\u4e3a\u5565key\u503c\u5bf9\u6027\u80fd\u63d0\u5347\u6709\u5e2e\u52a9\u3002 \u8bc4\u5224\u5c0f\u7a0b\u5e8f\u9875\u9762\u6027\u80fd \u7531\u4e8e\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u73af\u5883\u7684\u7279\u6b8a\u6027\uff0c\u6211\u4eec\u4e0d\u80fd\u50cf\u666e\u901a\u7f51\u9875\u90a3\u6837\u901a\u8fc7chrome\u5f00\u53d1\u5de5\u5177\u6216\u8005\u4e00\u4e9b\u6210\u719f\u7684\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177\uff08\u4f8b\u5982Lighthouse\uff09\u6765\u4e86\u89e3\u4e00\u4e2a\u9875\u9762\u7684\u6027\u80fd\uff0c\u4f46\u5fae\u4fe1\u5b98\u65b9\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6027\u80fd\u8bc4\u5206\u7684\u5de5\u5177\uff0c\u70b9\u51fb\u8fd9\u91cc\u53ef\u4ee5\u67e5\u770b\u5de5\u5177\u8be6\u60c5\u3002 \u4f53\u9a8c\u8bc4\u5206\u662f\u4e00\u9879\u7ed9\u5c0f\u7a0b\u5e8f\u7684\u4f53\u9a8c\u597d\u574f\u6253\u5206\u7684\u529f\u80fd\uff0c\u5b83\u4f1a\u5728\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5b9e\u65f6\u68c0\u67e5\uff0c\u5206\u6790\u51fa\u4e00\u4e9b\u53ef\u80fd\u5bfc\u81f4\u4f53\u9a8c\u4e0d\u597d\u7684\u5730\u65b9\uff0c\u5e76\u4e14\u5b9a\u4f4d\u51fa\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u4ee5\u53ca\u7ed9\u51fa\u4e00\u4e9b\u4f18\u5316\u5efa\u8bae\u3002 \u540e\u9762\u6211\u4f1a\u4ee5\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u5c55\u793a\u5982\u4f55\u901a\u8fc7\u8be5\u5de5\u5177\u6765\u4f18\u5316\u9875\u9762\u6027\u80fd\uff0c\u6211\u4eec\u5148\u770b\u4e0b\u6211\u4eec\u9875\u9762\u4f18\u5316\u524d\u7684\u4e00\u4e2a\u8bc4\u5206\u60c5\u51b5\u3002 \u5b58\u5728setData\u7684\u6570\u636e\u8fc7\u5927 \u6211\u4eec\u7684\u529f\u80fd\u91cc\u9762\u6709\u4e2a\u6eda\u52a8\u5230\u5e95\u90e8\u52a0\u8f7d\u7684\u529f\u80fd\uff0c\u4f18\u5316\u524d\u6211\u4eec\u7684\u505a\u6cd5\u662f\u8fd9\u6837\u7684 <!–\u53ea\u9610\u8ff0\u903b\u8f91\uff0c\u975e\u771f\u5b9e\u4ee3\u7801–> \/\/ 1: \u521d\u59cb\u4e00\u4e2alist\uff0c\u5b58\u50a8\u5217\u8868\u6570\u636e data = startList \/\/ 2: \u76d1\u542c\u6eda\u52a8\u4e8b\u4ef6\uff0c\u6eda\u52a8\u5230\u5e95\u90e8\u83b7\u53d6\u65b0\u6570\u636e\uff0c\u5e76\u8ffd\u52a0\u5230list\u5c3e\u90e8,\u6700\u540e\u91cd\u65b0setData onReachBottom:()=>{ const {list} = this.data fetchNewData().then((res)=>{ list.push(res.list); this.setData({list}) } } \u767b\u5f55\u540e\u590d\u5236 \u6211\u4f30\u8ba1\u5927\u90e8\u5206\u4eba\u9762\u5bf9\u957f\u5217\u8868\u6eda\u52a8\u7684\u65f6\u5019\uff0c\u4e00\u5f00\u59cb\u7684\u5904\u7406\u65b9\u5f0f\u90fd\u662f\u8fd9\u6837\u7684\uff0c\u5982\u679c\u6570\u636e\u4e0d\u591a\uff0c\u53ea\u6709\u51e0\u9875\u53ef\u80fd\u4e0d\u4f1a\u592a\u66b4\u9732\u95ee\u9898\uff0c\u5982\u679c\u9875\u6570\u8fc7\u591a\uff0c\u51e0\u5341\u9875\u751a\u81f3\u4e0a\u767e\u9875\u7684\u60c5\u51b5\uff0clist\u7684\u6570\u636e\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u6bcf\u6b21setData\u7684\u6570\u636e\u5c31\u4f1a\u8d8a\u6765\u8d8a\u591a\uff0c\u56e0\u800c\u6bcf\u6b21\u9875\u9762\u91cd\u65b0\u6e32\u67d3\u7684\u8282\u70b9\u5c31\u4f1a\u8d8a\u6765\u8d8a\u591a\uff0c\u4ece\u800c\u5bfc\u81f4\u6eda\u52a8\u5230\u540e\u9762\uff0c\u52a0\u8f7d\u8d8a\u6765\u8d8a\u6162\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u5c0f\u7a0b\u5e8f\u7684\u89c6\u56fe\u6e32\u67d3\u5c42\u548c\u6570\u636e\u903b\u8f91\u5904\u7406\u5c42\u662f\u5206\u5f00\u7684\uff0c\u4e0d\u662f\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4e0a\u9762\u7684\uff0c\u4ece\u7528\u6237\u89e6\u53d1\u9875\u9762\u4ea4\u4e92\uff0c\u5230\u5904\u7406\u6570\u636e\u903b\u8f91\uff0c\u6700\u540e\u5c42\u73b0\u9875\u9762\uff0c\u6570\u636e\u5230\u89c6\u56fe\u662f\u9700\u8981\u4f20\u8f93\u7684\uff0c\u56e0\u800c\u5c0f\u7a0b\u5e8f\u672c\u8eab\u5bf9\u6570\u636e\u5927\u5c0f\u4e5f\u6709\u9650\u5236\uff0c\u4e0d\u80fd\u8d85\u8fc71M\u3002 setData\u6570\u636e\u8def\u5f84 \u600e\u4e48\u89e3\u51b3\u5462\uff1f\u5c0f\u7a0b\u5e8fsetData\u91cc\u9762\u7684key\u652f\u6301\u6570\u636e\u8def\u5f84\u7684\u5199\u6cd5\uff0c\u6bd4\u5982 let o = obj; this.setData({ ‘o.\u5c5e\u6027’\uff1avalue }) \u6216\u8005let a = array; this.setData({ ‘array[0].text’:value }) \u767b\u5f55\u540e\u590d\u5236 \u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u8def\u5f84\u7684\u5199\u6cd5\uff0c\u6765\u5c06\u6570\u636e\u5206\u6279\u7684\u4f20\u8f93\u5230\u89c6\u56fe\u5c42\u4e2d\uff0c\u51cf\u5c11\u4e00\u6b21\u6027setData\u7684\u6570\u636e\u5927\u5c0f\u3002\u5177\u4f53\u5199\u6cd5\u5982\u4e0b \/\/ 1.\u901a\u8fc7\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u6570\u636elet feedList = [[array]]; \/\/ 2.\u7ef4\u62a4\u4e00\u4e2a\u9875\u9762\u53d8\u91cf\u503c\uff0c\u52a0\u8f7d\u5b8c\u4e00\u6b21\u6570\u636epage++let […]<\/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-33328","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33328","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=33328"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33328\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=33328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=33328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=33328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}