{"id":1353,"date":"2025-02-04T00:51:48","date_gmt":"2025-02-03T16:51:48","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1353"},"modified":"2025-02-04T00:51:49","modified_gmt":"2025-02-03T16:51:49","slug":"c%e9%ab%98%e7%ba%a7%e7%89%b9%e6%80%a7%ef%bc%9a%e6%a8%a1%e6%9d%bf%e3%80%81%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e4%b8%8e%e8%bf%90%e7%ae%97%e7%ac%a6%e9%87%8d%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/04\/c%e9%ab%98%e7%ba%a7%e7%89%b9%e6%80%a7%ef%bc%9a%e6%a8%a1%e6%9d%bf%e3%80%81%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e4%b8%8e%e8%bf%90%e7%ae%97%e7%ac%a6%e9%87%8d%e8%bd%bd\/","title":{"rendered":"C++\u9ad8\u7ea7\u7279\u6027\uff1a\u6a21\u677f\u3001\u5f02\u5e38\u5904\u7406\u4e0e\u8fd0\u7b97\u7b26\u91cd\u8f7d"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"><strong>\u6a21\u677f<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u677f\u662fC++\u4e2d\u652f\u6301\u6cdb\u578b\u7f16\u7a0b\u7684\u91cd\u8981\u7279\u6027\uff0c\u5141\u8bb8\u7f16\u5199\u4e0e\u7c7b\u578b\u65e0\u5173\u7684\u4ee3\u7801\uff0c\u589e\u52a0\u4ee3\u7801\u7684\u590d\u7528\u6027\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51fd\u6570\u6a21\u677f<\/strong><br>\u51fd\u6570\u6a21\u677f\u5141\u8bb8\u6211\u4eec\u7f16\u5199\u80fd\u591f\u5904\u7406\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u51fd\u6570\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u590d\u5b9a\u4e49\u591a\u4e2a\u7248\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  template &lt;typename T&gt;\n  T add(T a, T b) {\n      return a + b;\n  }\n\n  int main() {\n      std::cout &lt;&lt; add(3, 4) &lt;&lt; std::endl;  \/\/ \u6574\u578b\n      std::cout &lt;&lt; add(3.5, 4.5) &lt;&lt; std::endl;  \/\/ \u6d6e\u70b9\u578b\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7c7b\u6a21\u677f<\/strong><br>\u7c7b\u6a21\u677f\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u5904\u7406\u591a\u79cd\u7c7b\u578b\u6570\u636e\u7684\u7c7b\u3002\u5b83\u662f\u7c7b\u7684\u6a21\u677f\u5b9a\u4e49\uff0c\u7f16\u8bd1\u65f6\u51b3\u5b9a\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  template &lt;typename T&gt;\n  class Box {\n  private:\n      T value;\n  public:\n      Box(T val) : value(val) {}\n      T getValue() { return value; }\n  };\n\n  int main() {\n      Box&lt;int&gt; intBox(10);\n      Box&lt;double&gt; doubleBox(3.14);\n      std::cout &lt;&lt; intBox.getValue() &lt;&lt; std::endl;\n      std::cout &lt;&lt; doubleBox.getValue() &lt;&lt; std::endl;\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u677f\u7684\u7279\u5316<\/strong><br>\u6a21\u677f\u7279\u5316\u7528\u4e8e\u4e3a\u7279\u5b9a\u7c7b\u578b\u63d0\u4f9b\u4e0d\u540c\u7684\u5b9e\u73b0\u3002\u7279\u5316\u7248\u672c\u901a\u5e38\u7528\u4e8e\u5904\u7406\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  template &lt;typename T&gt;\n  class Printer {\n  public:\n      void print(T val) { std::cout &lt;&lt; val &lt;&lt; std::endl; }\n  };\n\n  \/\/ \u7279\u5316\u7248\u672c\n  template &lt;&gt;\n  class Printer&lt;char&gt; {\n  public:\n      void print(char val) { std::cout &lt;&lt; \"Char: \" &lt;&lt; val &lt;&lt; std::endl; }\n  };\n\n  int main() {\n      Printer&lt;int&gt; intPrinter;\n      Printer&lt;char&gt; charPrinter;\n      intPrinter.print(10);\n      charPrinter.print('A');\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u677f\u4e0eSTL\u7684\u7ed3\u5408<\/strong><br>C++\u6807\u51c6\u6a21\u677f\u5e93\uff08STL\uff09\u5e7f\u6cdb\u4f7f\u7528\u6a21\u677f\u6765\u63d0\u4f9b\u5404\u79cd\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\uff0c\u5982<code>vector<\/code>\u3001<code>list<\/code>\u3001<code>map<\/code>\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  #include &lt;iostream&gt;\n  #include &lt;vector&gt;\n\n  int main() {\n      std::vector&lt;int&gt; v = {1, 2, 3, 4, 5};\n      for (int i : v) {\n          std::cout &lt;&lt; i &lt;&lt; \" \";\n      }\n      std::cout &lt;&lt; std::endl;\n  }<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5f02\u5e38\u5904\u7406<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C++\u901a\u8fc7\u5f02\u5e38\u5904\u7406\u673a\u5236\u63d0\u4f9b\u4e86\u4e00\u79cd\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u65f6\u9519\u8bef\u7684\u65b9\u6cd5\uff0c\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>try, catch, throw<\/strong><\/li>\n\n\n\n<li><code>throw<\/code>\u7528\u4e8e\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n\n\n\n<li><code>try<\/code>\u5757\u7528\u4e8e\u5305\u542b\u53ef\u80fd\u629b\u51fa\u5f02\u5e38\u7684\u4ee3\u7801\u3002<\/li>\n\n\n\n<li><code>catch<\/code>\u5757\u7528\u4e8e\u6355\u6349\u5e76\u5904\u7406\u5f02\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  try {\n      int x = 10;\n      if (x == 10) {\n          throw \"Error: x cannot be 10\";\n      }\n  } catch (const char* msg) {\n      std::cout &lt;&lt; msg &lt;&lt; std::endl;\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u81ea\u5b9a\u4e49\u5f02\u5e38<\/strong><br>C++\u5141\u8bb8\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\uff0c\u7ee7\u627f\u6807\u51c6\u7684\u5f02\u5e38\u7c7b\u5e76\u6269\u5c55\u5176\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  class MyException : public std::exception {\n  public:\n      const char* what() const noexcept override {\n          return \"Custom exception occurred!\";\n      }\n  };\n\n  int main() {\n      try {\n          throw MyException();\n      } catch (const MyException&amp; e) {\n          std::cout &lt;&lt; e.what() &lt;&lt; std::endl;\n      }\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5f02\u5e38\u7684\u5c42\u7ea7\u548c\u4f20\u64ad<\/strong><br>\u5f02\u5e38\u53ef\u4ee5\u5c42\u5c42\u4f20\u64ad\uff0c\u76f4\u5230\u88ab<code>catch<\/code>\u5757\u6355\u83b7\u4e3a\u6b62\u3002\u5f02\u5e38\u5904\u7406\u673a\u5236\u786e\u4fdd\u7a0b\u5e8f\u4e0d\u4f1a\u56e0\u9519\u8bef\u5d29\u6e83\uff0c\u80fd\u591f\u5728\u9002\u5f53\u7684\u5730\u65b9\u5904\u7406\u5f02\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u7b97\u7b26\u91cd\u8f7d\u5141\u8bb8\u5f00\u53d1\u8005\u4e3a\u81ea\u5b9a\u4e49\u7c7b\u578b\u5b9a\u4e49\u64cd\u4f5c\u7b26\uff0c\u4f7f\u5176\u80fd\u591f\u50cf\u5185\u5efa\u7c7b\u578b\u4e00\u6837\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fd0\u7b97\u7b26\u7684\u57fa\u672c\u6982\u5ff5<\/strong><br>\u8fd0\u7b97\u7b26\u91cd\u8f7d\u5141\u8bb8\u901a\u8fc7\u81ea\u5b9a\u4e49\u64cd\u4f5c\u7b26\u7b26\u53f7\uff0c\u4f7f\u5f97\u7c7b\u7684\u5bf9\u8c61\u53ef\u4ee5\u6267\u884c\u8bf8\u5982\u52a0\u6cd5\u3001\u6bd4\u8f83\u3001\u7d22\u5f15\u7b49\u64cd\u4f5c\u3002 \u793a\u4f8b\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  class Complex {\n  public:\n      int real, imag;\n      Complex operator+(const Complex&amp; other) {\n          Complex temp;\n          temp.real = real + other.real;\n          temp.imag = imag + other.imag;\n          return temp;\n      }\n  };<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e38\u89c1\u7684\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/strong><\/li>\n\n\n\n<li><strong>+\u3001-<\/strong>\uff1a\u7528\u4e8e\u91cd\u8f7d\u52a0\u6cd5\u548c\u51cf\u6cd5\u8fd0\u7b97\u7b26\u3002<\/li>\n\n\n\n<li><strong>[]<\/strong>\uff1a\u7528\u4e8e\u91cd\u8f7d\u6570\u7ec4\u4e0b\u6807\u64cd\u4f5c\u7b26\u3002<\/li>\n\n\n\n<li><strong>()<\/strong>\uff1a\u7528\u4e8e\u91cd\u8f7d\u51fd\u6570\u8c03\u7528\u8fd0\u7b97\u7b26\u3002<\/li>\n\n\n\n<li><strong>&lt;&lt;\u3001>><\/strong>\uff1a\u7528\u4e8e\u6d41\u8f93\u5165\u8f93\u51fa\u91cd\u8f7d\u3002 \u793a\u4f8b\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  class Box {\n  public:\n      int length;\n      Box(int len) : length(len) {}\n\n      \/\/ \u91cd\u8f7d&#91;]\u8fd0\u7b97\u7b26\n      int operator&#91;](int index) {\n          return length;\n      }\n  };\n\n  class Printer {\n  public:\n      \/\/ \u91cd\u8f7d&lt;&lt;\u8fd0\u7b97\u7b26\n      friend std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const Box&amp; b) {\n          os &lt;&lt; \"Box length: \" &lt;&lt; b.length;\n          return os;\n      }\n  };\n\n  int main() {\n      Box b(10);\n      std::cout &lt;&lt; b &lt;&lt; std::endl;\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fd0\u7b97\u7b26\u91cd\u8f7d\u7684\u89c4\u5219\u548c\u9650\u5236<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0d\u80fd\u91cd\u8f7d\u6240\u6709\u8fd0\u7b97\u7b26\uff08\u5982<code>::<\/code>\u3001<code>.<\/code>\u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u8fd0\u7b97\u7b26\u91cd\u8f7d\u4e0d\u6539\u53d8\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u548c\u7ed3\u5408\u6027\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u64cd\u4f5c\u6570\u662f\u7c7b\u7c7b\u578b\u3002 \u793a\u4f8b\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>  class Complex {\n  public:\n      int real, imag;\n      Complex operator-(const Complex&amp; other) {\n          Complex temp;\n          temp.real = real - other.real;\n          temp.imag = imag - other.imag;\n          return temp;\n      }\n  };<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u638c\u63e1C++\u7684\u9ad8\u7ea7\u7279\u6027\uff0c\u5982\u6a21\u677f\u3001\u5f02\u5e38\u5904\u7406\u548c\u8fd0\u7b97\u7b26\u91cd\u8f7d\uff0c\u80fd\u591f\u6781\u5927\u63d0\u5347\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u4e0e\u53ef\u8bfb\u6027\u3002\u6a21\u677f\u4f7f\u5f97C++\u80fd\u591f\u652f\u6301\u6cdb\u578b\u7f16\u7a0b\uff0c\u5f02\u5e38\u5904\u7406\u4e3a\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u5065\u58ee\u7684\u9519\u8bef\u7ba1\u7406\u673a\u5236\uff0c\u800c\u8fd0\u7b97\u7b26\u91cd\u8f7d\u5219\u4f7f\u5f97\u81ea\u5b9a\u4e49\u7c7b\u578b\u80fd\u591f\u66f4\u81ea\u7136\u5730\u8fdb\u884c\u64cd\u4f5c\u3002\u901a\u8fc7\u5b66\u4e60\u548c\u5e94\u7528\u8fd9\u4e9b\u7279\u6027\uff0c\u4f60\u5c06\u80fd\u591f\u7f16\u5199\u66f4\u5f3a\u5927\u548c\u9ad8\u6548\u7684C++\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6a21\u677f \u6a21\u677f\u662fC++\u4e2d\u652f\u6301\u6cdb\u578b\u7f16\u7a0b\u7684\u91cd\u8981\u7279\u6027\uff0c\u5141\u8bb8\u7f16\u5199\u4e0e\u7c7b\u578b\u65e0\u5173\u7684\u4ee3\u7801\uff0c\u589e\u52a0\u4ee3\u7801\u7684\u590d\u7528\u6027\u3002 \u5f02\u5e38\u5904\u7406 C++\u901a\u8fc7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-1353","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1353"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1353\/revisions"}],"predecessor-version":[{"id":1354,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1353\/revisions\/1354"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}