{"id":1267,"date":"2026-05-03T11:57:02","date_gmt":"2026-05-03T03:57:02","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1267"},"modified":"2026-05-03T11:57:02","modified_gmt":"2026-05-03T03:57:02","slug":"%e6%a0%bc%e5%bc%8f%e5%8c%96%e8%be%93%e5%85%a5%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/03\/%e6%a0%bc%e5%bc%8f%e5%8c%96%e8%be%93%e5%85%a5%e8%be%93%e5%87%ba\/","title":{"rendered":"\u683c\u5f0f\u5316\u8f93\u5165\u8f93\u51fa"},"content":{"rendered":"\n

\u5728 C++ \u4e2d\uff0cscanf<\/code> \u548c printf<\/code> \u662f C \u8bed\u8a00\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5e93\u4e2d\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u8f93\u5165\u548c\u8f93\u51fa\u3002\u867d\u7136\u5728 C++ \u4e2d\u66f4\u5e38\u7528 cin<\/code> \u548c cout<\/code>\uff0c\u4f46\u8fd9\u4e24\u4e2a\u51fd\u6570\u4ecd\u7136\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5c24\u5176\u662f\u9700\u8981\u9ad8\u6027\u80fd\u6216\u683c\u5f0f\u5316\u63a7\u5236\u65f6\u3002<\/p>\n\n\n\n

1. printf – \u683c\u5f0f\u5316\u8f93\u51fa<\/strong><\/h2>\n\n\n\n

\u7528\u4e8e\u5c06\u6570\u636e\u6309\u6307\u5b9a\u683c\u5f0f\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\uff08\u901a\u5e38\u662f\u5c4f\u5e55\uff09\u3002<\/p>\n\n\n\n

\u5e38\u7528\u683c\u5f0f\u8bf4\u660e\u7b26<\/strong><\/p>\n\n\n\n

    \n
  • %d<\/code>\uff1a\u6574\u6570\uff08\u5341\u8fdb\u5236\uff09<\/li>\n\n\n\n
  • %f<\/code>\uff1a\u6d6e\u70b9\u6570<\/li>\n\n\n\n
  • %c<\/code>\uff1a\u5b57\u7b26<\/li>\n\n\n\n
  • %s<\/code>\uff1a\u5b57\u7b26\u4e32<\/li>\n\n\n\n
  • %lf<\/code>\uff1a\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff08C99\/C++ \u4e2d %f<\/code> \u4e5f\u53ef\u7528\u4e8e double<\/code>\uff09<\/li>\n\n\n\n
  • %x<\/code>\uff1a\u5341\u516d\u8fdb\u5236\u6574\u6570<\/li>\n<\/ul>\n\n\n\n

    \u793a\u4f8b<\/strong><\/p>\n\n\n\n

    \u00a0#include <iostream>\n\u00a0using namespace std;\n\u00a0int main() {\n\u00a0 \u00a0 \u00a0int a = 42;\n\u00a0 \u00a0 \u00a0double b = 3.14159;\n\u00a0 \u00a0 \u00a0char c = 'A';\n\u00a0 \u00a0 \u00a0const char* s = \"Hello\";\n\u00a0\u200b\n\u00a0 \u00a0 \u00a0printf(\"\u6574\u6570\uff1a%d\\n\", a); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u6574\u6570\uff1a42\n\u00a0 \u00a0 \u00a0printf(\"\u6d6e\u70b9\u6570\uff1a%.2f\\n\", b); \u00a0 \u00a0 \u00a0 \/\/ \u6d6e\u70b9\u6570\uff1a3.14 \uff08\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\uff09\n\u00a0 \u00a0 \u00a0printf(\"\u5b57\u7b26\uff1a%c\\n\", c); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5b57\u7b26\uff1aA\n\u00a0 \u00a0 \u00a0printf(\"\u5b57\u7b26\u4e32\uff1a%s\\n\", s); \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5b57\u7b26\u4e32\uff1aHello\n\u00a0 \u00a0 \u00a0printf(\"\u5341\u516d\u8fdb\u5236\uff1a%x\\n\", a); \u00a0 \u00a0 \u00a0 \/\/ \u5341\u516d\u8fdb\u5236\uff1a2a\n\u00a0\u200b\n\u00a0 \u00a0 \u00a0return 0;\n\u00a0}<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    2. scanf – \u683c\u5f0f\u5316\u8f93\u5165<\/strong><\/h2>\n\n\n\n
    \u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\uff08\u901a\u5e38\u662f\u952e\u76d8\uff09\u8bfb\u53d6\u6570\u636e\u5e76\u6309\u7167\u683c\u5f0f\u89e3\u6790\u3002<\/p>\n\n\n\n
    \u6ce8\u610f\u8981\u70b9<\/strong><\/p>\n\n\n\n
      \n
    • \u4f20\u5165\u7684\u53d8\u91cf\u5730\u5740\u9700\u8981\u4f7f\u7528 &<\/code> \u53d6\u5730\u5740\u7b26\uff08\u5b57\u7b26\u4e32\u6570\u7ec4\u540d\u672c\u8eab\u662f\u5730\u5740\uff0c\u4e0d\u9700\u8981 &<\/code>\uff09<\/li>\n\n\n\n
    • \u8fd4\u56de\u503c\u662f\u6210\u529f\u8bfb\u53d6\u7684\u9879\u76ee\u6570\uff0c\u53ef\u7528\u4e8e\u9519\u8bef\u68c0\u67e5<\/li>\n<\/ul>\n\n\n\n
      \u793a\u4f8b<\/strong><\/p>\n\n\n\n
      \u00a0#include <iostream>
      \u00a0using namespace std;
      \u00a0int main() {
      \u00a0 \u00a0 \u00a0int age;
      \u00a0 \u00a0 \u00a0double salary;
      \u00a0 \u00a0 \u00a0char name[50];
      \u00a0\u200b
      \u00a0 \u00a0 \u00a0printf(\"\u8bf7\u8f93\u5165\u59d3\u540d\u3001\u5e74\u9f84\u548c\u5de5\u8d44\uff08\u7528\u7a7a\u683c\u5206\u9694\uff09\uff1a\");
      \u00a0 \u00a0 \u00a0\/\/ \u6ce8\u610f\uff1a\u5b57\u7b26\u4e32\u6570\u7ec4 name \u4e0d\u9700\u8981 &
      \u00a0 \u00a0 \u00a0int result = scanf(\"%s %d %lf\", name, &age, &salary);
      \u00a0\u200b
      \u00a0 \u00a0 \u00a0if (result == 3) {
      \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf(\"\u59d3\u540d\uff1a%s\\n\u5e74\u9f84\uff1a%d\\n\u5de5\u8d44\uff1a%.2f\\n\", name, age, salary);
      \u00a0 \u00a0  } else {
      \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf(\"\u8f93\u5165\u683c\u5f0f\u9519\u8bef\uff01\\n\");
      \u00a0 \u00a0  }
      \u00a0\u200b
      \u00a0 \u00a0 \u00a0return 0;
      \u00a0}

      <\/code><\/pre>\n\n\n\n
      \u5bf9\u6bd4 C++ \u7684 cin\/cout<\/strong><\/h3>\n\n\n\n
      \u7279\u6027<\/th>scanf\/printf<\/th>cin\/cout<\/th><\/tr><\/thead>
      \u7c7b\u578b\u5b89\u5168<\/strong><\/td>\u4e0d\u5b89\u5168\uff08\u7c7b\u578b\u4e0d\u5339\u914d\u53ef\u80fd\u5bfc\u81f4\u8fd0\u884c\u65f6\u9519\u8bef\uff09<\/td>\u5b89\u5168\uff08\u7c7b\u578b\u5728\u7f16\u8bd1\u65f6\u68c0\u67e5\uff09<\/td><\/tr>
      \u6027\u80fd<\/strong><\/td>\u901a\u5e38\u66f4\u5feb\uff08\u5c24\u5176\u5927\u91cf\u6570\u636e\u65f6\uff09<\/td>\u8f83\u6162\uff08\u9ed8\u8ba4\u4e0e C \u6d41\u540c\u6b65\uff0c\u53ef\u5173\u95ed\uff09<\/td><\/tr>
      \u6613\u7528\u6027<\/strong><\/td>\u9700\u8981\u8bb0\u5fc6\u683c\u5f0f\u7b26<\/td>\u66f4\u7b80\u5355\u76f4\u89c2<\/td><\/tr>
      \u6269\u5c55\u6027<\/strong><\/td>\u4e0d\u652f\u6301\u81ea\u5b9a\u4e49\u7c7b\u578b\uff08\u9664\u975e\u7528 C11 \u6269\u5c55\uff09<\/td>\u652f\u6301\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \n\n\n\n
      \u63a7\u5236\u5bbd\u5ea6\u5bf9\u6bd4<\/h3>\n\n\n\n
      \u00a0#include <bits\/stdc++.h>
      \u00a0using namespace std;
      \u00a0int main(){
      \u00a0 \u00a0 \u00a0int a=15,b=3355,c=9;
      \u00a0 \u00a0 \u00a0\/\/ \u8f93\u51fa\u4e09\u4e2a\u6570\u5b57\uff0c\u7528\u7a7a\u683c\u9694\u5f00\uff0c\u6bcf\u4e2a\u6570\u5b57\u53608\u4e2a\u5bbd\u5ea6\uff0c\u6700\u540e\u6362\u884c
      \u00a0 \u00a0 \u00a0cout<<setw(8)<<a<<\" \"<<setw(8)<<b<<\" \"<<setw(8)<<c<<endl;
      \u00a0 \u00a0 \u00a0printf(\"%8d %8d %8d\\n\",a,b,c);
      \u00a0}

      <\/code><\/pre>\n\n\n\n
      \u63a7\u5236\u7cbe\u5ea6\u5bf9\u6bd4<\/h3>\n\n\n\n
      \u00a0#include <bits\/stdc++.h>
      \u00a0using namespace std;
      \u00a0int main(){
      \u00a0 \u00a0 \u00a0double d=1.2345678;
      \u00a0 \u00a0 \u00a0\/\/ \u4fdd\u7559\u56db\u4f4d\u5c0f\u6570\u8f93\u51fa
      \u00a0 \u00a0 \u00a0cout<<fixed<<setprecision(4)<<d;
      \u00a0 \u00a0 \u00a0printf(\"%.4lf\",d);
      \u00a0}

      <\/code><\/pre>\n\n\n\n
      \u81ea\u52a8\u586b\u5145\u5bf9\u6bd4<\/h3>\n\n\n\n
      \u00a0#include <bits\/stdc++.h>\n\u00a0using namespace std;\n\u00a0int main(){\n\u00a0 \u00a0 \u00a0int e=45;\n\u00a0 \u00a0 \u00a0\/\/ \u9ed8\u8ba4\u5bbd\u5ea65\uff0c\u4e0d\u591f\u586b\u51450\n\u00a0 \u00a0 \u00a0cout<<setw(5)<<setfill('0')<<e; \/\/ 00045\n\u00a0 \u00a0 \u00a0printf(\"%05d\",e); \/\/ 00045\n\u00a0}<\/code><\/pre>\n\n\n\n
      \u8f93\u5165\u63a7\u5236\u5de7\u5999\u7ed3\u5408\u9898\u76ee<\/h3>\n\n\n\n
      \u00a0\/\/ \u8f93\u5165\u65e5\u671f\uff0c\u683c\u5f0f\uff1ay-m-d
      \u00a0int y,m,d; \/\/ \u5e74\u6708\u65e5
      \u00a0scanf(\"%d-%d-%d\",&y,&m,&d);
      \u00a0\u200b
      \u00a0\/\/ \u8f93\u5165\u65f6\u95f4\uff0c\u683c\u5f0f\uff1ah:m:s
      \u00a0int h,m,s; \/\/ \u65f6\u5206\u79d2
      \u00a0scanf(\"%d:%d:%d\",&h,&m,&s);

      <\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u683c\u5f0f\u8bf4\u660e\u7b26\u8be6\u89e3<\/h2>\n\n\n\n
      \u683c\u5f0f\uff1a%[\u6807\u8bb0][\u957f\u5ea6][.\u7cbe\u5ea6]\u7c7b\u578b<\/code><\/p>\n\n\n\n
        \n
      • \u6807\u8bb0\uff1a\u9ed8\u8ba4\u53f3\u5bf9\u9f50\n
          \n
        • -<\/code>\u4ee3\u8868\u5de6\u5bf9\u9f50<\/li>\n\n\n\n
        • 0<\/code>\u4ee3\u8868\u7a7a\u4f4d\u8865\u96f6<\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • \u957f\u5ea6\uff1a\u4ee3\u8868\u6570\u636e\u81f3\u5c11<\/mark>\u5360\u4f4d\u7684\u5bbd\u5ea6<\/li>\n\n\n\n
        • \u7cbe\u5ea6\uff1a\u4ee3\u8868\u4fdd\u7559\u5c0f\u6570\u4f4d\u6570\uff0c\u9700\u8981\u6dfb\u52a0.<\/code>\uff0c\u4e14\u7c7b\u578b\u662f\u6d6e\u70b9\u578b<\/li>\n\n\n\n
        • \u7c7b\u578b\uff1a\n
            \n
          • int\uff1ad<\/li>\n\n\n\n
          • float\uff1af<\/li>\n\n\n\n
          • double\uff1alf<\/li>\n\n\n\n
          • char\uff1ac<\/li>\n\n\n\n
          • long long\uff1alld<\/li>\n\n\n\n
          • \u79d1\u5b66\u8ba1\u6570\u6cd5\uff1ae<\/li>\n\n\n\n
          • \u516b\u8fdb\u5236\uff1ao<\/li>\n\n\n\n
          • \u5341\u516d\u8fdb\u5236\uff1ax<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n
            \u8f6c\u4e49\u7b26\u53f7\u5bf9\u6bd4<\/h2>\n\n\n\n
            \u00a0\/\/ \u7528cout\u8f93\u51fa\u5e26\u5f15\u53f7\u7684\u5355\u8bcd\"hello\"\uff0c \\\"\u4ee3\u8868\u8981\u8f93\u51fa\"\u800c\u975e\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u6807\u8bb0\n\u00a0cout<<\"\\\"hello\\\"\"; \/\/ \"hello\"\n\u00a0\/\/ \u7528cout\u8f93\u51fa\\\uff0c \\\\ \u4ee3\u8868\u8981\u8f93\u51fa\\\n\u00a0cout<<\"\\\\\"; \/\/ \\\n\u00a0\/\/ \u7528printf\u8f93\u51fa5%\uff0c%%\u4ee3\u8868\u8981\u8f93\u51fa%\u800c\u975e\u5339\u914d\u67d0\u4e2a\u6570\u636e\n\u00a0printf(\"%d%%\",5); \/\/ 5%<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
            \u5728 C++ \u4e2d\uff0cscanf \u548c printf \u662f C \u8bed\u8a00\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5e93\u4e2d\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u8f93\u5165\u548c\u8f93\u51fa\u3002\u867d\u7136\u5728 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-1267","post","type-post","status-publish","format-standard","hentry","category-zl"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/comments?post=1267"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1267\/revisions"}],"predecessor-version":[{"id":1268,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1267\/revisions\/1268"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1267"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}