{"id":53169,"date":"2024-12-03T09:29:05","date_gmt":"2024-12-03T01:29:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53169\/"},"modified":"2024-12-03T09:29:05","modified_gmt":"2024-12-03T01:29:05","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8reactjs%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e9%87%8d%e5%90%af%ef%bc%8c%e4%b8%8a%e4%b8%80%e9%a1%b5%ef%bc%8c%e4%b8%8b%e4%b8%80%e9%a1%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53169\/","title":{"rendered":"\u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

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\"\u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875\u63d2\u56fe\"<\/p>\n

\u535a\u5ba2\u6587\u7ae0\uff1a\u5728 react \u4e2d\u6784\u5efa\u7b80\u5355\u7684\u5e7b\u706f\u7247\u5bfc\u822a\u7ec4\u4ef6 <\/h3>\n

\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u6b65\u4ecb\u7ecd\u5982\u4f55\u5728 react \u4e2d\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684\u5e7b\u706f\u7247\u5bfc\u822a\u7ec4\u4ef6\u3002\u8be5\u7ec4\u4ef6\u5141\u8bb8\u7528\u6237\u4f7f\u7528\u201c\u91cd\u65b0\u542f\u52a8\u201d\u3001\u201c\u4e0a\u4e00\u9875\u201d\u548c\u201c\u4e0b\u4e00\u9875\u201d\u6309\u94ae\u6d4f\u89c8\u4e00\u7cfb\u5217\u5e7b\u706f\u7247\u3002\u6211\u4eec\u5c06\u4f7f\u7528 react \u7684 usestate \u94a9\u5b50\u7ba1\u7406\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\uff0c\u5e76\u786e\u4fdd\u5728\u9002\u5f53\u7684\u65f6\u5019\u7981\u7528\u6309\u94ae\uff08\u4f8b\u5982\uff0c\u5728\u5e7b\u706f\u7247\u7684\u5f00\u5934\u6216\u7ed3\u5c3e\uff09\u3002<\/p>\n

\u51c6\u5219\u6982\u8ff0 <\/h4>\n

\u5e7b\u706f\u7247\u7ec4\u4ef6\u63a5\u6536\u5e7b\u706f\u7247\u6570\u7ec4\u4f5c\u4e3a\u9053\u5177\u3002\u6bcf\u5f20\u5e7b\u706f\u7247\u90fd\u5305\u542b\u4e00\u4e2a\u6807\u9898\u548c\u4e00\u4e9b\u6587\u672c\u3002\u5bfc\u822a\u6309\u94ae\u5141\u8bb8\u7528\u6237\u5728\u5e7b\u706f\u7247\u4e2d\u5411\u524d\u548c\u5411\u540e\u79fb\u52a8\uff0c\u201c\u91cd\u65b0\u542f\u52a8\u201d\u6309\u94ae\u4f7f\u7528\u6237\u8fd4\u56de\u5230\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\u3002<\/p>\n

\u4f7f\u7528 usestate \u7ba1\u7406\u72b6\u6001 <\/h4>\n

\u6211\u4eec\u4f7f\u7528 usestate \u94a9\u5b50\u6765\u7ba1\u7406\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\uff1a<\/p>\n

const [currentslideindex, setcurrentslideindex] = usestate(0);\n<\/pre>\n
\u6b64\u72b6\u6001\u8ddf\u8e2a\u5f53\u524d\u663e\u793a\u7684\u5e7b\u706f\u7247\u3002\u6211\u4eec\u4ece\u5e7b\u706f\u7247 0 \u5f00\u59cb\uff0c\u5e76\u5728\u7528\u6237\u5355\u51fb\u201c\u4e0a\u4e00\u5f20\u201d\u3001\u201c\u4e0b\u4e00\u5f20\u201d\u6216\u201c\u91cd\u65b0\u542f\u52a8\u201d\u6309\u94ae\u65f6\u66f4\u65b0\u6b64\u503c\u3002<\/p>\n
 \u5904\u7406\u6309\u94ae\u70b9\u51fb <\/h4>\n
\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u51fd\u6570\u6765\u5904\u7406\u6bcf\u4e2a\u6309\u94ae\u7684\u884c\u4e3a\uff1a<\/p>\n
    \n
  1.  \u91cd\u65b0\u542f\u52a8\u6309\u94ae<\/strong>\uff1a\u5c06\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\u91cd\u7f6e\u4e3a 0\uff0c\u5c06\u7528\u6237\u5e26\u56de\u5230\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\u3002 <\/li>\n<\/ol>\n
    const handlerestart = () => {\n  setcurrentslideindex(0);\n};\n<\/pre>\n
      \n
    1.  \u4e0a\u4e00\u9875\u6309\u94ae<\/strong>\uff1a\u5c06\u5e7b\u706f\u7247\u7d22\u5f15\u51cf 1\uff0c\u4f46\u786e\u4fdd\u5b83\u6c38\u8fdc\u4e0d\u4f1a\u4f4e\u4e8e 0\uff08\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\uff09\u3002 <\/li>\n<\/ol>\n
      const handleprev = () => {\n  setcurrentslideindex((previndex) => math.max(previndex - 1, 0));\n};\n<\/pre>\n
        \n
      1.  \u4e0b\u4e00\u4e2a\u6309\u94ae<\/strong>\uff1a\u5c06\u5e7b\u706f\u7247\u7d22\u5f15\u589e\u52a0 1\uff0c\u4f46\u786e\u4fdd\u5b83\u4e0d\u4f1a\u8d85\u51fa\u6700\u540e\u4e00\u5f20\u5e7b\u706f\u7247\u3002 <\/li>\n<\/ol>\n
        const handlenext = () => {\n  setcurrentslideindex((previndex) => math.min(previndex + 1, slides.length - 1));\n};\n<\/pre>\n
         \u7981\u7528\u6309\u94ae <\/h4>\n
        \u5f53\u7528\u6237\u67e5\u770b\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\u65f6\uff0c\u6211\u4eec\u7981\u7528\u201c\u4e0a\u4e00\u5f20\u201d\u548c\u201c\u91cd\u65b0\u5f00\u59cb\u201d\u6309\u94ae\uff0c\u5f53\u7528\u6237\u67e5\u770b\u6700\u540e\u4e00\u5f20\u5e7b\u706f\u7247\u65f6\uff0c\u6211\u4eec\u7981\u7528\u201c\u4e0b\u4e00\u5f20\u201d\u6309\u94ae\uff1a<\/p>\n
        <button\n  data-testid=\"button-restart\"\n  onclick={handlerestart}\n  disabled={currentslideindex === 0}\n>\n  restart\n<\/button>\n\n<button\n  data-testid=\"button-prev\"\n  onclick={handleprev}\n  disabled={currentslideindex === 0}\n>\n  prev\n<\/button>\n\n<button\n  data-testid=\"button-next\"\n  onclick={handlenext}\n  disabled={currentslideindex === slides.length - 1}\n>\n  next\n<\/button>\n<\/pre>\n
         \u6e32\u67d3\u5e7b\u706f\u7247\u5185\u5bb9 <\/h4>\n
        \u7ec4\u4ef6\u4f7f\u7528 currentslideindex \u72b6\u6001\u6e32\u67d3\u5f53\u524d\u5e7b\u706f\u7247\u7684\u6807\u9898\u548c\u6587\u672c\uff1a<\/p>\n
        <div id=\"slide\" className=\"card text-center\">\n  <h1 data-testid=\"title\">{slides[currentSlideIndex].title}<\/h1>\n  <p data-testid=\"text\">{slides[currentSlideIndex].text}<\/p>\n<\/div>\n<\/pre>\n
         \u7ed3\u8bba <\/h4>\n
        \u8fd9\u4e2a\u7b80\u5355\u800c\u6709\u6548\u7684\u6ed1\u52a8\u5bfc\u822a\u7ec4\u4ef6\u5c55\u793a\u4e86 react usestate \u7ba1\u7406 ui \u72b6\u6001\u7684\u5f3a\u5927\u529f\u80fd\u3002\u901a\u8fc7\u4f7f\u7528\u52a8\u6001\u72b6\u6001\u548c\u4e8b\u4ef6\u5904\u7406\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7075\u6d3b\u7684\u7ec4\u4ef6\uff0c\u5141\u8bb8\u7528\u6237\u4ee5\u7528\u6237\u53cb\u597d\u7684\u65b9\u5f0f\u4e0e\u5e7b\u706f\u7247\u4ea4\u4e92\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u52a8\u753b\u6216\u81ea\u52a8\u5e7b\u706f\u7247\u8fc7\u6e21\u7b49\u529f\u80fd\u6765\u6269\u5c55\u6b64\u7ec4\u4ef6\u3002<\/p>\n
        \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
              \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664    <\/p>\n
        \n
        <\/dt>\n
        \n   \u5982\u4f55\u9009\u62e9\u4e0e\u7535\u8111\u684c\u9762\u989c\u8272\u76f8\u5173\u7684\u6700\u4f73\u4e3b\u9898\u548c\u914d\u8272\u65b9\u6848\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875 \u6536\u85cf \u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u5728reactjs\u4e2d\u8fdb\u884c\u5206\u9875\u91cd\u542f\uff0c\u4e0a\u4e00\u9875\uff0c\u4e0b\u4e00\u9875\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~ \u535a\u5ba2\u6587\u7ae0\uff1a\u5728 react \u4e2d\u6784\u5efa\u7b80\u5355\u7684\u5e7b\u706f\u7247\u5bfc\u822a\u7ec4\u4ef6 \u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u6b65\u4ecb\u7ecd\u5982\u4f55\u5728 react \u4e2d\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684\u5e7b\u706f\u7247\u5bfc\u822a\u7ec4\u4ef6\u3002\u8be5\u7ec4\u4ef6\u5141\u8bb8\u7528\u6237\u4f7f\u7528\u201c\u91cd\u65b0\u542f\u52a8\u201d\u3001\u201c\u4e0a\u4e00\u9875\u201d\u548c\u201c\u4e0b\u4e00\u9875\u201d\u6309\u94ae\u6d4f\u89c8\u4e00\u7cfb\u5217\u5e7b\u706f\u7247\u3002\u6211\u4eec\u5c06\u4f7f\u7528 react \u7684 usestate \u94a9\u5b50\u7ba1\u7406\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\uff0c\u5e76\u786e\u4fdd\u5728\u9002\u5f53\u7684\u65f6\u5019\u7981\u7528\u6309\u94ae\uff08\u4f8b\u5982\uff0c\u5728\u5e7b\u706f\u7247\u7684\u5f00\u5934\u6216\u7ed3\u5c3e\uff09\u3002 \u51c6\u5219\u6982\u8ff0 \u5e7b\u706f\u7247\u7ec4\u4ef6\u63a5\u6536\u5e7b\u706f\u7247\u6570\u7ec4\u4f5c\u4e3a\u9053\u5177\u3002\u6bcf\u5f20\u5e7b\u706f\u7247\u90fd\u5305\u542b\u4e00\u4e2a\u6807\u9898\u548c\u4e00\u4e9b\u6587\u672c\u3002\u5bfc\u822a\u6309\u94ae\u5141\u8bb8\u7528\u6237\u5728\u5e7b\u706f\u7247\u4e2d\u5411\u524d\u548c\u5411\u540e\u79fb\u52a8\uff0c\u201c\u91cd\u65b0\u542f\u52a8\u201d\u6309\u94ae\u4f7f\u7528\u6237\u8fd4\u56de\u5230\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\u3002 \u4f7f\u7528 usestate \u7ba1\u7406\u72b6\u6001 \u6211\u4eec\u4f7f\u7528 usestate \u94a9\u5b50\u6765\u7ba1\u7406\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\uff1a const [currentslideindex, setcurrentslideindex] = usestate(0); \u6b64\u72b6\u6001\u8ddf\u8e2a\u5f53\u524d\u663e\u793a\u7684\u5e7b\u706f\u7247\u3002\u6211\u4eec\u4ece\u5e7b\u706f\u7247 0 \u5f00\u59cb\uff0c\u5e76\u5728\u7528\u6237\u5355\u51fb\u201c\u4e0a\u4e00\u5f20\u201d\u3001\u201c\u4e0b\u4e00\u5f20\u201d\u6216\u201c\u91cd\u65b0\u542f\u52a8\u201d\u6309\u94ae\u65f6\u66f4\u65b0\u6b64\u503c\u3002 \u5904\u7406\u6309\u94ae\u70b9\u51fb \u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u51fd\u6570\u6765\u5904\u7406\u6bcf\u4e2a\u6309\u94ae\u7684\u884c\u4e3a\uff1a \u91cd\u65b0\u542f\u52a8\u6309\u94ae\uff1a\u5c06\u5f53\u524d\u5e7b\u706f\u7247\u7d22\u5f15\u91cd\u7f6e\u4e3a 0\uff0c\u5c06\u7528\u6237\u5e26\u56de\u5230\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\u3002 const handlerestart = () => { setcurrentslideindex(0); }; \u4e0a\u4e00\u9875\u6309\u94ae\uff1a\u5c06\u5e7b\u706f\u7247\u7d22\u5f15\u51cf 1\uff0c\u4f46\u786e\u4fdd\u5b83\u6c38\u8fdc\u4e0d\u4f1a\u4f4e\u4e8e 0\uff08\u7b2c\u4e00\u5f20\u5e7b\u706f\u7247\uff09\u3002 const handleprev = () => { setcurrentslideindex((previndex) => math.max(previndex – 1, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53169","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53169","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=53169"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53169\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}