{"id":305257,"date":"2024-05-20T19:41:42","date_gmt":"2024-05-20T11:41:42","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/305257.html"},"modified":"2024-05-20T19:42:08","modified_gmt":"2024-05-20T11:42:08","slug":"c%e8%af%ad%e8%a8%80%e5%a6%82%e4%bd%95%e4%b8%8d%e4%bd%bf%e7%94%a8string-h%e5%87%bd%e6%95%b0%e5%ae%9e%e7%8e%b0%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%9b%bf%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/305257.html","title":{"rendered":"C\u8bed\u8a00\u5982\u4f55\u4e0d\u4f7f\u7528string.h\u51fd\u6570\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362"},"content":{"rendered":"

\"C\u8bed\u8a00\u5982\u4f55\u4e0d\u4f7f\u7528string.h\u51fd\u6570\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\"<\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0c\u4e0d\u4f7f\u7528string.h<\/code>\u5e93\u51fd\u6570\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5faa\u73af\u3001\u6570\u7ec4\u7d22\u5f15\u3001\u6307\u9488\u64cd\u4f5c\uff0c\u4ee5\u53ca\u81ea\u5b9a\u4e49\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570<\/strong>\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u6838\u5fc3\u610f\u4e49\u5728\u4e8e\u52a0\u6df1\u5bf9C\u8bed\u8a00\u57fa\u7840\u7684\u7406\u89e3\uff0c\u7279\u522b\u662f\u5bf9\u5b57\u7b26\u4e32\u3001\u6307\u9488\u548c\u6570\u7ec4\u7684\u64cd\u4f5c\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecd\u4f7f\u7528\u6307\u9488\u64cd\u4f5c<\/strong>\u8fdb\u884c\u5b57\u7b26\u4e32\u66ff\u6362\u7684\u65b9\u6cd5\uff0c\u8fd9\u56e0\u5176\u5728\u5b57\u7b26\u4e32\u64cd\u4f5c\u4e2d\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u6307\u9488\u64cd\u4f5c\u6765\u66ff\u6362\u5b57\u7b26\u4e32\u6d89\u53ca\u5230\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u904d\u5386\u539f\u5b57\u7b26\u4e32\uff0c\u67e5\u627e\u5230\u9700\u8981\u88ab\u66ff\u6362\u7684\u5b50\u5b57\u7b26\u4e32\u7684\u4f4d\u7f6e\uff1b\u5176\u6b21\uff0c\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u64cd\u4f5c\uff0c\u8fd9\u53ef\u80fd\u9700\u8981\u5bf9\u539f\u5b57\u7b26\u4e32\u8fdb\u884c\u6269\u5c55\u6216\u7f29\u51cf\uff1b\u6700\u540e\uff0c\u786e\u4fdd\u65b0\u5b57\u7b26\u4e32\u4ee5null\u5b57\u7b26('\\0'<\/code>)\u7ed3\u5c3e\uff0c\u4ee5\u7b26\u5408C\u8bed\u8a00\u5b57\u7b26\u4e32\u7684\u5b9a\u4e49\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u521d\u59cb\u5316\u548c\u67e5\u627e<\/h3>\n<\/p>\n

\u5728\u4e0d\u4f7f\u7528string.h<\/code>\u7684\u60c5\u51b5\u4e0b\uff0c\u9996\u5148\u9700\u8981\u624b\u52a8\u521d\u59cb\u5316\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u67e5\u627e\u76ee\u6807\u5b50\u5b57\u7b26\u4e32\u7684\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u904d\u5386\u539f\u5b57\u7b26\u4e32\uff0c\u5e76\u4f7f\u7528\u6307\u9488\u6765\u9010\u5b57\u7b26\u6bd4\u8f83\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

    \n
  • \u9996\u5148\uff0c\u5b9a\u4e49\u4e24\u4e2a\u5b57\u7b26\u4e32\uff1a\u539f\u5b57\u7b26\u4e32char origin[]<\/code>\u548c\u8981\u66ff\u6362\u6210\u7684\u5b57\u7b26\u4e32char replacement[]<\/code>\u3002<\/li>\n
  • \u904d\u5386\u539f\u5b57\u7b26\u4e32\uff0c\u5bf9\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4f7f\u7528\u6307\u9488\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u786e\u5b9a\u76ee\u6807\u5b50\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n

    \u4e8c\u3001\u66ff\u6362\u64cd\u4f5c<\/h3>\n<\/p>\n

    \u627e\u5230\u76ee\u6807\u5b50\u5b57\u7b26\u4e32\u540e\uff0c\u63a5\u4e0b\u6765\u7684\u6b65\u9aa4\u662f\u8fdb\u884c\u66ff\u6362\u64cd\u4f5c\u3002\u5982\u679c\u76ee\u6807\u5b50\u5b57\u7b26\u4e32\u4e0e\u66ff\u6362\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u4e0d\u540c\uff0c\u8fd9\u4e2a\u6b65\u9aa4\u53ef\u80fd\u6d89\u53ca\u4fee\u6539\u539f\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n

      \n
    • \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u6216\u52a8\u6001\u5206\u914d\u5185\u5b58\u6765\u5b58\u653e\u66ff\u6362\u540e\u7684\u7ed3\u679c\u3002<\/li>\n
    • \u4f7f\u7528\u6307\u9488\u5c06\u539f\u5b57\u7b26\u4e32\u4e2d\u672a\u88ab\u66ff\u6362\u90e8\u5206\u7684\u5185\u5bb9\u590d\u5236\u5230\u65b0\u5b57\u7b26\u4e32\u4e2d\u3002<\/li>\n
    • \u5c06\u66ff\u6362\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u9002\u5f53\u7684\u4f4d\u7f6e\uff0c\u5b8c\u6210\u66ff\u6362\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

      \u4e09\u3001\u7ed3\u679c\u5904\u7406\u548c\u5b58\u50a8<\/h3>\n<\/p>\n

      \u7ecf\u8fc7\u66ff\u6362\u64cd\u4f5c\u540e\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u5305\u542b\u65b0\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u3002\u6b64\u65f6\uff0c\u9700\u8981\u5bf9\u8fd9\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u9002\u5f53\u7684\u5904\u7406\u548c\u5b58\u50a8\uff0c\u4ee5\u4fdd\u8bc1\u5b83\u7684\u6b63\u786e\u6027\u548c\u4f7f\u7528\u7684\u5b89\u5168\u6027\u3002<\/p>\n<\/p>\n

        \n
      • \u4fdd\u8bc1\u65b0\u5b57\u7b26\u4e32\u4ee5null\u5b57\u7b26\u7ed3\u675f\uff0c\u7b26\u5408C\u8bed\u8a00\u5bf9\u5b57\u7b26\u4e32\u7684\u5b9a\u4e49\u3002<\/li>\n
      • \u5982\u679c\u4f7f\u7528\u4e86\u52a8\u6001\u5185\u5b58\u5206\u914d\uff0c\u786e\u4fdd\u5728\u4e0d\u9700\u8981\u5b57\u7b26\u4e32\u65f6\u91ca\u653e\u5206\u914d\u7684\u5185\u5b58\uff0c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n

        \u56db\u3001\u51fd\u6570\u5c01\u88c5\u548c\u8c03\u7528<\/h3>\n<\/p>\n

        \u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u64cd\u4f5c\u5c01\u88c5\u6210\u51fd\u6570\uff0c\u7136\u540e\u5728\u9700\u8981\u7684\u5730\u65b9\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u67e5\u627e\u548c\u66ff\u6362\u3002<\/p>\n<\/p>\n

          \n
        • \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u53c2\u6570\u5305\u62ec\u539f\u5b57\u7b26\u4e32\u3001\u76ee\u6807\u5b50\u5b57\u7b26\u4e32\u3001\u4ee5\u53ca\u66ff\u6362\u5b57\u7b26\u4e32\u3002<\/li>\n
        • \u5728\u51fd\u6570\u5185\u90e8\u5b9e\u73b0\u67e5\u627e\u3001\u66ff\u6362\u3001\u7ed3\u679c\u5904\u7406\u7b49\u903b\u8f91\u3002<\/li>\n
        • \u51fd\u6570\u8c03\u7528\u7ed3\u675f\u540e\u8fd4\u56de\u66ff\u6362\u5b8c\u6210\u7684\u5b57\u7b26\u4e32\uff0c\u6216\u8005\u5728\u539f\u5730\u4fee\u6539\u539f\u5b57\u7b26\u4e32\uff08\u6839\u636e\u9700\u6c42\u800c\u5b9a\uff09\u3002<\/li>\n<\/ul>\n

          \u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e0d\u4f7f\u7528string.h<\/code>\u5e93\u51fd\u6570\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u67e5\u627e\u548c\u66ff\u6362\u529f\u80fd\u3002\u8fd9\u4e0d\u4ec5\u52a0\u6df1\u4e86\u5bf9\u4e8eC\u8bed\u8a00\u5b57\u7b26\u4e32\u3001\u6570\u7ec4\u548c\u6307\u9488\u7b49\u57fa\u672c\u6982\u5ff5\u7684\u7406\u89e3\uff0c\u8fd8\u63d0\u5347\u4e86\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u7684\u80fd\u529b\u3002\u5c3d\u7ba1\u8fd9\u79cd\u65b9\u5f0f\u53ef\u80fd\u6bd4\u76f4\u63a5\u4f7f\u7528\u5e93\u51fd\u6570\u66f4\u4e3a\u590d\u6742\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u66f4\u6df1\u7684\u5b66\u4e60\u548c\u63a2\u7d22\u7a7a\u95f4\uff0c\u5bf9\u4e8e\u6df1\u5165\u5b66\u4e60C\u8bed\u8a00\u6709\u7740\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n<\/p>\n

          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

          Q1: \u5982\u4f55\u5728C\u8bed\u8a00\u4e2d\u4f7f\u7528\u6307\u9488\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u66ff\u6362\uff1f<\/strong><\/p>\n

          A1: \u5728C\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6307\u9488\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u3002\u4e00\u4e2a\u57fa\u672c\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e24\u4e2a\u6307\u9488\uff0c\u4e00\u4e2a\u6307\u5411\u539f\u59cb\u5b57\u7b26\u4e32\uff0c\u53e6\u4e00\u4e2a\u6307\u5411\u76ee\u6807\u5b57\u7b26\u4e32\u3002\u904d\u5386\u539f\u59cb\u5b57\u7b26\u4e32\uff0c\u5f53\u9047\u5230\u9700\u8981\u66ff\u6362\u7684\u5b57\u7b26\u65f6\uff0c\u5c06\u76f8\u5e94\u7684\u66ff\u6362\u5b57\u7b26\u62f7\u8d1d\u5230\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u3002\u6700\u540e\uff0c\u4f7f\u7528strcpy\u51fd\u6570\u5c06\u76ee\u6807\u5b57\u7b26\u4e32\u590d\u5236\u56de\u539f\u59cb\u5b57\u7b26\u4e32\u3002<\/p>\n

          Q2: C\u8bed\u8a00\u4e2d\u5982\u4f55\u4f7f\u7528\u5faa\u73af\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\u800c\u4e0d\u4f7f\u7528string.h\u51fd\u6570\uff1f<\/strong><\/p>\n

          A2: \u5982\u679c\u60f3\u8981\u5728C\u8bed\u8a00\u4e2d\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u800c\u4e0d\u4f7f\u7528string.h\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u9010\u4e2a\u904d\u5386\u539f\u59cb\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u3002\u5f53\u53d1\u73b0\u9700\u8981\u66ff\u6362\u7684\u5b57\u7b26\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u5c06\u76f8\u5e94\u7684\u66ff\u6362\u5b57\u7b26\u8d4b\u7ed9\u539f\u59cb\u5b57\u7b26\u4e32\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u3002<\/p>\n

          Q3: \u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5728C\u8bed\u8a00\u4e2d\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\u800c\u4e0d\u4f9d\u8d56\u4e8estring.h\u51fd\u6570\uff1f<\/strong><\/p>\n

          A3: \u662f\u7684\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5728C\u8bed\u8a00\u4e2d\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\u800c\u4e0d\u4f7f\u7528string.h\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u6570\u7ec4\u6765\u5b58\u50a8\u548c\u64cd\u4f5c\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7\u5224\u65ad\u5b57\u7b26\u7684ASCII\u7801\u503c\u6765\u8fdb\u884c\u76f8\u5e94\u7684\u66ff\u6362\u64cd\u4f5c\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u6765\u5b9e\u73b0\u590d\u6742\u7684\u5b57\u7b26\u4e32\u66ff\u6362\u64cd\u4f5c\u3002\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u66ff\u6362\uff0c\u800c\u4e0d\u4f9d\u8d56\u4e8estring.h\u51fd\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728C\u8bed\u8a00\u4e2d\uff0c\u4e0d\u4f7f\u7528string.h\u5e93\u51fd\u6570\u5b9e\u73b0\u5b57\u7b26\u4e32\u66ff\u6362\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5faa\u73af\u3001\u6570\u7ec4\u7d22\u5f15\u3001 […]","protected":false},"author":3,"featured_media":305292,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/305257"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=305257"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/305257\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/305292"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=305257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=305257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=305257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}