{"id":667,"date":"2023-11-01T16:41:45","date_gmt":"2023-10-30T04:14:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%9c%a8c%e7%bc%96%e7%a8%8b%e4%b8%ad%ef%bc%8cfgets%e5%92%8cgets%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-03T02:05:11","modified_gmt":"2025-08-02T18:05:11","slug":"%e5%9c%a8c%e7%bc%96%e7%a8%8b%e4%b8%ad%ef%bc%8cfgets%e5%92%8cgets%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8c%e7%bc%96%e7%a8%8b%e4%b8%ad%ef%bc%8cfgets%e5%92%8cgets%e5%87%bd%e6%95%b0\/","title":{"rendered":"C\u8bed\u8a00\u4e2dfgets()\u4e0egets()\u51fd\u6570\u8be6\u89e3\uff1a\u533a\u522b\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5b89\u5168\u6027\u5206\u6790"},"content":{"rendered":"

\u7b80\u4ecb<\/p>\n

\u6211\u4eec\u90fd\u719f\u6089scanf()\u51fd\u6570\u3002\u5b83\u662f\u4e3b\u8981\u7528\u4e8e\u63a5\u6536\u57fa\u672c\u7528\u6237\u8f93\u5165\u7684\u51fd\u6570\u3002\u5c3d\u7ba1scanf()\u5728\u63a5\u6536\u6574\u6570\u3001\u5b57\u7b26\u3001\u6d6e\u70b9\u6570\u7b49\u8f93\u5165\u65f6\u5f88\u597d\u7528\uff0c\u4f46\u662f\u5728\u63a5\u6536\u5305\u542b\u7a7a\u683c\u7684\u5b57\u7b26\u4e32\u8f93\u5165\u65f6\u5c31\u663e\u5f97\u6709\u4e9b\u4e0d\u8db3\u3002\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n

#<\/span>include<\/span><stdio.h><\/span><\/span>\r\nint<\/span> main<\/span>(<\/span>)<\/span>\r\n{<\/span>\r\n    char<\/span> string[<\/span>10<\/span>]<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"Enter the string: \"<\/span>)<\/span>;<\/span>\r\n    scanf<\/span>(<\/span>\"%s\"<\/span>,<\/span> string)<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"\\n %s\"<\/span>,<\/span>string)<\/span>;<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\uff1a\u901a\u8fc7\u5728\u4e2d\u56fd\u5883\u5185\u8fdb\u884c\u672c\u5730\u5316\u7ffb\u8bd1\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\u3002<\/p>\n
\n                            \"Problem<\/p>\n
\u4ece\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230scanf()\u9047\u5230\u7a7a\u683c\u6216\u6362\u884c\u7b26\u65f6\u4f1a\u505c\u6b62\u626b\u63cf\u3002\u5b9e\u9645\u4e0a\uff0c\u8fd9\u4f7f\u5f97\u4f7f\u7528scanf()\u83b7\u53d6\u5b57\u7b26\u4e32\u8f93\u5165\u6709\u70b9\u9ebb\u70e6\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5176\u4ed6\u8f93\u5165\u51fd\u6570\u5982gets()\u548cfgets()\u6765\u8f7b\u677e\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u5e94\u7528\u8fd9\u4e24\u4e2a\u529f\u80fd\u5e76\u5c06\u5b83\u4eec\u8fdb\u884c\u5e76\u6392\u6bd4\u8f83\u3002<\/p>\n
\u5728C\u8bed\u8a00\u4e2d\uff0cgets()\u51fd\u6570<\/p>\n
gets()\u662fC\u8bed\u8a00\u4e2d\u7684\u4e00\u4e2a\u9884\u5b9a\u4e49\u51fd\u6570\uff0c\u7528\u4e8e\u8bfb\u53d6\u5b57\u7b26\u4e32\u6216\u6587\u672c\u884c\uff0c\u5e76\u5c06\u8f93\u5165\u5b58\u50a8\u5728\u4e00\u4e2a\u9884\u5b9a\u4e49\u7684\u5b57\u7b26\u4e32\u53d8\u91cf\u4e2d\u3002\u53ea\u8981\u9047\u5230\u6362\u884c\u7b26\uff0c\u8be5\u51fd\u6570\u5c31\u4f1a\u7ec8\u6b62\u8bfb\u53d6\u3002<\/p>\n
\u53e5\u6cd5\u7ed3\u6784\uff1a<\/p>\n
\u83b7\u53d6\uff08\u53d8\u91cf\u540d\u79f0\uff09\u7684\u503c\u3002<\/p>\n
\u4e0b\u9762\u7ed9\u51fa\u7684\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528gets()\u51fd\u6570\u3002<\/p>\n
#<\/span>include<\/span><stdio.h><\/span><\/span>\r\nint<\/span> main<\/span>(<\/span>)<\/span>\r\n{<\/span>\r\n    char<\/span> string[<\/span>10<\/span>]<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"Enter the String: \"<\/span>)<\/span>;<\/span>\r\n    gets<\/span>(<\/span>string)<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"\\n%s\"<\/span>,<\/span>string)<\/span>;<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ea7\u51fa\uff1a<\/p>\n
\n                            \"Use<\/p>\n
\u5c06\u4f7f\u7528scanf()\u65f6\u7684\u8f93\u51fa\u4e0e\u6b64\u8fdb\u884c\u6bd4\u8f83\u3002”Hello World”\u73b0\u5728\u88ab\u89c6\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5728C\u8bed\u8a00\u4e2d\u7684fgets()\u51fd\u6570<\/p>\n
\u6807\u51c6C\u5e93\u8fd8\u63d0\u4f9b\u53e6\u4e00\u4e2a\u51fd\u6570\uff0c\u5373fgets()\u51fd\u6570\u3002\u8be5\u51fd\u6570\u4ece\u6307\u5b9a\u7684\u6587\u4ef6\u6216\u63a7\u5236\u53f0\u4e2d\u8bfb\u53d6\u6587\u672c\u884c\u6216\u5b57\u7b26\u4e32\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u76f8\u5e94\u7684\u5b57\u7b26\u4e32\u53d8\u91cf\u4e2d\u3002<\/p>\n
\u7c7b\u4f3c\u4e8egets()\u51fd\u6570\uff0cfgets\u51fd\u6570\u4e5f\u4f1a\u5728\u9047\u5230\u6362\u884c\u7b26\u65f6\u7ec8\u6b62\u8bfb\u53d6\u3002\u4f46\u662f\uff0c\u4e0egets()\u4e0d\u540c\u7684\u662f\uff0c\u5373\u4f7f\u9047\u5230EOF\u6216\u5b57\u7b26\u4e32\u957f\u5ea6\u8d85\u8fc7\u6307\u5b9a\u9650\u5236n-1\uff0c\u8be5\u51fd\u6570\u4e5f\u4f1a\u505c\u6b62\u8bfb\u53d6\u3002<\/p>\n
\u53e5\u6cd5<\/p>\n
\u4ece\u6307\u5b9a\u7684\u6587\u4ef6\u6d41\u4e2d\u8bfb\u53d6\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\uff0c\u76f4\u5230\u9047\u5230\u6362\u884c\u7b26\u3001\u6587\u4ef6\u7ed3\u675f\u7b26\u6216\u8005\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\u91cf\u8fbe\u5230\u6307\u5b9a\u7684\u4e0a\u9650\u4e3a\u6b62\u3002<\/p>\n
    \n
  • str – It is the variable in which the string is going to be stored<\/li>\n
  • n – It is the maximum length of the string that should be read<\/li>\n
  • stream – It is the filehandle, from where the string is to be read.<\/li>\n<\/ul>\n
    \u5e78\u8fd0\u7684\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528fgets()\u51fd\u6570\u4ece\u6587\u4ef6\u6216\u6807\u51c6\u8f93\u5165\u6d41\u4e2d\u8bfb\u53d6\u6587\u672c\u884c\u3002\u8ba9\u6211\u4eec\u770b\u770b\u8be5\u5982\u4f55\u64cd\u4f5c\u3002<\/p>\n
    \u4f7f\u7528fgets()\u4ece\u7ed9\u5b9a\u6587\u4ef6\u4e2d\u8bfb\u53d6<\/p>\n
    \u4f8b\u5982\uff0c<\/p>\n
    #<\/span>include<\/span><stdio.h><\/span><\/span>\r\nint<\/span> main<\/span>(<\/span>)<\/span>\r\n{<\/span>\r\n    char<\/span> string[<\/span>20<\/span>]<\/span>;<\/span>\r\n    FILE *<\/span>fp;<\/span>\r\n    fp=<\/span>fopen<\/span>(<\/span>\"file.txt\"<\/span>,<\/span>\"r\"<\/span>)<\/span>;<\/span>\r\n    fgets<\/span>(<\/span>string,<\/span>20<\/span>,<\/span>fp)<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"The string is: %s\"<\/span>,<\/span>string)<\/span>;<\/span>\r\n    fclose<\/span>(<\/span>fp)<\/span>;<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    \u5047\u8bbefile.txt\u6587\u4ef6\u4e2d\u5305\u542b\u4e00\u884c\u6587\u672c”JournalDev fgets()\u793a\u4f8b\uff01”\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e0a\u8ff0\u4ee3\u7801\u7684\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n
    \n    \"Fgets\u8f93\u51fa\u793a\u4f8b\"\n<\/div>\n
    \u4f7f\u7528fgets()\u51fd\u6570\u4ece\u6807\u51c6\u8f93\u5165(stdin)\u8bfb\u53d6\u8f93\u5165<\/h3>\n
    #<\/span>include<\/span><stdio.h><\/span><\/span>\r\nint<\/span> main<\/span>(<\/span>)<\/span>\r\n{<\/span>\r\n    char<\/span> string[<\/span>20<\/span>]<\/span>;<\/span>\r\n    printf<\/span>(<\/span>\"Enter the string: \"<\/span>)<\/span>;<\/span>\r\n    fgets<\/span>(<\/span>string,<\/span>20<\/span>,<\/span>stdin<\/span>)<\/span>;<\/span>         # \u4ece\u6807\u51c6\u8f93\u5165\u6d41\u8bfb\u53d6\u8f93\u5165<\/span>\r\n    printf<\/span>(<\/span>\"\\nThe string is: %s\"<\/span>,<\/span>string)<\/span>;<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    \u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n
    \n    \"Fgets()\u6807\u51c6\u8f93\u5165\u793a\u4f8b\"\n<\/div>\n
    \u7ed3\u8bba<\/h2>\n
    \u5c3d\u7ba1gets()\u548cfgets()\u4e24\u4e2a\u51fd\u6570\u90fd\u53ef\u7528\u4e8e\u8bfb\u53d6\u5b57\u7b26\u4e32\u8f93\u5165\uff0c\u4f46\u4e24\u8005\u4e4b\u95f4\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e\u540e\u8005\u5141\u8bb8\u7528\u6237\u6307\u5b9a\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u56e0\u6b64\uff0c\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528fgets()\u51fd\u6570\u3002gets()\u51fd\u6570\u6ca1\u6709\u89e3\u51b3\u8f93\u5165\u8d85\u51fa\u7f13\u51b2\u533a\u7684\u60c5\u51b5\u3002\u7ed3\u679c\u53ef\u80fd\u4f1a\u9020\u6210\u5185\u5b58\u5835\u585e\u3002\u8fd9\u5c31\u662ffgets()\u51fd\u6570\u663e\u793a\u51fa\u4f18\u52bf\u5e76\u63d0\u4f9b\u6700\u7ec8\u89e3\u51b3\u65b9\u6848\u7684\u5730\u65b9\u3002<\/p>\n
    \u53c2\u8003\u6587\u732e<\/h2>\n
      \n
    • \/community\/tutorials\/strings-in-c-programming<\/li>\n
    • https:\/\/stackoverflow.com\/questions\/19748307\/use-of-fgets-and-gets<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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