{"id":63741,"date":"2026-01-22T10:16:27","date_gmt":"2026-01-22T02:16:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/63741.html"},"modified":"2026-01-22T10:16:27","modified_gmt":"2026-01-22T02:16:27","slug":"c%e6%a8%a1%e6%9d%bf%e8%bf%9b%e9%98%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/63741.html","title":{"rendered":"C++\u6a21\u677f\u8fdb\u9636"},"content":{"rendered":"<p>\u5982\u679c\u6ca1\u6709\u4e86\u89e3\u8fc7\u6a21\u677f\u7684\u670b\u53cb&#xff0c;\u5c31\u53bb\u770b\u4e00\u4e0b\u6211\u7684\u6a21\u677f\u521d\u9636\u6587\u7ae0&#xff1a;C&#043;&#043;\u4e4b\u6a21\u677f\u521d\u9636-CSDN\u535a\u5ba2<\/p>\n<p>\u901a\u8fc7\u6a21\u677f\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u53bb\u5b9e\u73b0\u6cdb\u578b\u7f16\u7a0b&#xff0c;\u6a21\u677f\u5206\u4e3a\u51fd\u6570\u6a21\u677f\u548c\u7c7b\u6a21\u677f<\/p>\n<p>\u90a3\u4e48\u4e0b\u9762\u6211\u4f1a\u8ddf\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b&#xff0c;\u6a21\u677f\u8fdb\u9636\u7684\u77e5\u8bc6<\/p>\n<h2>\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570<\/h2>\n<p>\u6a21\u677f\u53c2\u6570\u88ab\u5206\u4e3a&#xff1a;\u7c7b\u578b\u5f62\u53c2\u548c\u975e\u7c7b\u578b\u5f62\u53c2<\/p>\n<p>\u7c7b\u578b\u5f62\u53c2&#xff1a;\u51fa\u73b0\u5728\u6a21\u677f\u53c2\u6570\u5217\u8868\u4e2d&#xff0c;\u8ddf\u5728class\u6216\u8005typename\u4e4b\u7c7b\u7684\u53c2\u6570\u7c7b\u578b\u540d\u79f0<\/p>\n<p>\u975e\u7c7b\u578b\u5f62\u53c2&#xff1a;\u5c31\u662f\u7528\u4e00\u4e2a\u5e38\u91cf\u4f5c\u4e3a\u7c7b(\u51fd\u6570)\u6a21\u677f\u7684\u4e00\u4e2a\u53c2\u6570&#xff0c;\u5728\u7c7b(\u51fd\u6570)\u6a21\u677f\u4e2d\u53ef\u5c06\u8be5\u53c2\u6570\u5f53\u6210\u5e38\u91cf\u6765\u4f7f\u7528<\/p>\n<p>\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u4f8b\u5b50&#xff0c;\u6211\u4eec\u5199\u4e2a\u9759\u6001\u6808\u7ed3\u6784&#xff1a;<\/p>\n<p>#define N 10<br \/>\ntemplate&lt;class T&gt;\/\/\u7c7b\u578b\u6a21\u677f\u53c2\u6570<br \/>\nclass Stack<br \/>\n{<br \/>\nprivate:<br \/>\n    T _a[N];<br \/>\n    size_t _top;<br \/>\n};<br \/>\nint main()<br \/>\n{<br \/>\n    Stack&lt;int&gt; st1;\/\/\u5927\u5c0f\u4e3a10<br \/>\n    Stack&lt;int&gt; st2;<\/p>\n<p>}<\/p>\n<p>\u6211\u4eec\u60f3\u8981\u53bb\u6539\u53d8\u6808\u7684\u5927\u5c0f\u5c31\u4fee\u6539\u6211\u4eec\u7684\u5b8f\u5c31\u597d\u4e86&#xff0c;\u5982\u679c\u6211\u4eec\u6709\u4e24\u4e2a\u6808\u5462&#xff1f;\u4e00\u4e2a\u6808\u60f3\u898110&#xff0c;\u53e6\u4e00\u4e2a\u60f3\u89811000\u7684\u5927\u5c0f&#xff0c;\u8fd9\u6837\u5b50\u6211\u4eec\u5c31\u4e0d\u80fd\u6ee1\u8db3\u591a\u4e2a\u6808\u7684\u9700\u6c42\u4e86&#xff0c;\u9664\u975e\u6211\u4eec\u5728\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6a21\u677f&#xff0c;\u4f46\u662f\u8fd9\u6837\u5b50\u4f1a\u51cf\u5c11\u6211\u4eec\u7684\u6548\u7387&#xff0c;\u6240\u4ee5&#xff0c;\u5728C&#043;&#043;\u5f53\u4e2d&#xff0c;\u6a21\u677f\u6709\u4e00\u4e2a\u975e\u7c7b\u578b\u7684\u6a21\u677f\u53c2\u6570\u6982\u5ff5&#xff1a;<\/p>\n<p>template&lt;class T,size_t N&gt;<br \/>\n    \/\/T\u662f\u7c7b\u578b\u6a21\u677f\u53c2\u6570&#xff0c;N\u662f\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570&#xff0c;N\u662f\u4e00\u4e2a\u5e38\u91cf<br \/>\nclass Stack<br \/>\n{<br \/>\nprivate:<br \/>\n    T _a[N];<br \/>\n    size_t _top;<br \/>\n};<br \/>\nint main()<br \/>\n{<br \/>\n    Stack&lt;int,100&gt; st1;\/\/100<br \/>\n    Stack&lt;int,20000&gt; st2;\/\/20000<br \/>\n}<\/p>\n<p>\u6211\u4eec\u8fd9\u6837\u5b50\u5c31\u53ef\u4ee5\u901a\u8fc7\u4f20\u53c2\u6765\u5b8c\u6210\u6211\u4eec\u6bcf\u4e2a\u6808\u60f3\u8981\u7684\u5927\u5c0f\u9700\u6c42\u4e86&#xff0c;\u5728template&lt;class T,size_t N&gt;\u5f53\u4e2d&#xff0c;T\u662f\u7c7b\u578b\u6a21\u677f\u53c2\u6570&#xff0c;\u8fd9\u91cc\u7684N\u662f\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570&#xff0c;\u8fd9\u91cc\u7684N\u662f\u4e00\u4e2a\u5e38\u91cf<\/p>\n<p>\u90a3\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u53bb\u5b9e\u73b0\u4f20\u53c2\u561b&#xff1f;<\/p>\n<p>int main()<br \/>\n{<br \/>\n    static int n;<br \/>\n    cin&gt;&gt;n;<br \/>\n    Stack&lt;int,n&gt; st;\/\/error&#xff0c;\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570\u4e0d\u80fd\u662f\u53d8\u91cf<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>\u8fd9\u6837\u5b50\u5728\u8bed\u6cd5\u4e0a\u4e0d\u5141\u8bb8\u7684&#xff0c;\u56e0\u4e3a\u975e\u7c7b\u578b\u4f20\u53c2\u4e0d\u80fd\u662f\u53d8\u91cf<\/p>\n<p>\u5728STL\u4e2d\u7684\u5bb9\u5668\u5f53\u4e2d&#xff0c;C&#043;&#043;11\u65b0\u589e\u4e86\u4e00\u4e2aarray\u5bb9\u5668&#xff0c;array\u8fd9\u4e2a\u5bb9\u5668\u5c31\u662f\u7c7b\u4f3c\u8fd9\u6837\u7684\u7ed3\u6784&#xff0c;\u5b83\u4f7f\u7528\u4e86\u975e\u7c7b\u578b\u7684\u6a21\u677f\u53c2\u6570&#xff1a;<\/p>\n<p>template&lt;class T,size_t N&gt;<br \/>\nclass Array<br \/>\n{<br \/>\nprivate:<br \/>\n    T _a[N];<br \/>\n}<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"242\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260122021626-6971887a55e4f.png\" width=\"950\" \/><\/p>\n<p>array\u662f\u4e00\u4e2a\u5927\u5c0f\u56fa\u5b9a\u7684\u5bb9\u5668<\/p>\n<p>\u4f46\u662farray\u8fd9\u4e2a\u5bb9\u5668\u6211\u4eec\u4e00\u822c\u4e0d\u5efa\u8bae\u53bb\u4f7f\u7528<\/p>\n<p>\u56e0\u4e3a<span style=\"color:#fe2c24\">\u51fd\u6570\u8c03\u7528\u4f1a\u5efa\u8bae\u6808\u5e27&#xff0c;\u6570\u7ec4\u8fc7\u5927&#xff0c;\u53ef\u80fd\u4f1a\u9020\u6210\u6808\u6ea2\u51fa&#xff0c;\u7528vector\u4e86\u8bdd&#xff0c;\u7a7a\u95f4\u4e0d\u591f\u5c31\u589e\u5bb9&#xff0c;\u6bd4\u8f83\u7075\u6d3b&#xff0c;\u589e\u5bb9\u662f\u5728\u5806\u533a\u4e2d\u5f00\u8f9f\u7a7a\u95f4&#xff0c;\u800c\u5806\u533a\u65f6\u8fdb\u884c\u52a8\u6001\u5f00\u8f9f\u7684\u5730\u65b9&#xff0c;\u5b83\u7684\u7a7a\u95f4\u6bd4\u8f83\u5927&#xff0c;\u77e5\u9053\u9700\u8981\u7684\u6570\u636e\u5927\u5c0f\u76f4\u63a5\u4f7f\u7528vector\u4e2d\u7684resize\u5c31\u597d\u4e86&#xff0c;\u6ca1\u5fc5\u8981\u4f7f\u7528array\u8fd9\u4e2a\u5bb9\u5668<\/span>&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u77e5\u9053C&#043;&#043;11\u589e\u52a0\u7684array\u8fd9\u4e2a\u5bb9\u5668\u57fa\u672c\u6ca1\u6709\u4ec0\u4e48\u7528&#xff0c;\u5b83\u7684\u7f3a\u70b9\u5927\u4e8e\u4ed6\u7684\u4f18\u70b9<\/p>\n<h2>\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570\u7f3a\u7701\u503c<\/h2>\n<p>\u6a21\u677f\u53c2\u6570\u90fd\u53ef\u4ee5\u7ed9\u7f3a\u7701\u503c&#xff0c;\u6a21\u677f\u53c2\u6570\u7ed9\u7f3a\u7701\u503c\u548c\u51fd\u6570\u53c2\u6570\u7ed9\u7f3a\u7701\u503c\u662f\u5b8c\u5168\u76f8\u4f3c\u7684&#xff0c;\u53ef\u4ee5\u5168\u7f3a\u7701&#xff0c;\u4e5f\u53ef\u4ee5\u534a\u7f3a\u7701(\u5fc5\u987b\u4ece\u53f3\u5f80\u5de6\u8fde\u7eed\u7f3a\u7701)<\/p>\n<p>\u6bd4\u5982&#xff1a;<\/p>\n<p>\/\/\u6a21\u677f\u53c2\u6570\u90fd\u53ef\u4ee5\u7ed9\u7f3a\u7701\u503c<br \/>\n\/\/\u6a21\u677f\u53c2\u6570\u7ed9\u7f3a\u7701\u503c\u548c\u51fd\u6570\u53c2\u6570\u7ed9\u7f3a\u7701\u503c\u662f\u5b8c\u5168\u7c7b\u4f3c\u7684<br \/>\n\/\/\u53ef\u4ee5\u5168\u7f3a\u7701<br \/>\n\/\/\u4e5f\u53ef\u4ee5\u534a\u7f3a\u7701 &#8212; \u5fc5\u987b\u4ece\u53f3\u5f80\u5de6\u8fde\u7eed\u7f3a\u7701<br \/>\ntemplate&lt;class T,size_t N &#061; 10&gt;<br \/>\nclass Array<br \/>\n{<br \/>\nprivate:<br \/>\n    T _a[N];<br \/>\n}<br \/>\nint main()<br \/>\n{<br \/>\n    Array&lt;int&gt; a1;<br \/>\n    Array&lt;int,20&gt; a2;<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>\u6ce8\u610f&#xff1a;\u5982\u679c\u5168\u90fd\u662f\u7f3a\u7701\u503c\u7684\u65f6\u5019\u4e0d\u80fd\u521b\u5efa\u8fd9\u6837\u7684\u5bf9\u8c61&#xff1a;<\/p>\n<p>Array a1;<\/p>\n<p>\u5168\u90e8\u90fd\u662f\u7f3a\u7701\u503c&#xff0c;\u6211\u4eec\u53ef\u4ee5\u4e0d\u4f20\u53c2\u6570&#xff0c;\u4f46\u662f\u6211\u4eec\u77e5\u9053Array\u662f\u4e2a\u6a21\u677f&#xff0c;\u6a21\u677f\u4e5f\u662f\u6709\u7c7b\u578b\u7684&#xff0c;\u6211\u4eec\u9700\u8981\u8fd9\u6837&#xff1a;<\/p>\n<p>Array&lt;&gt; a1;<\/p>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<p>1\u3001\u6d6e\u70b9\u6570\u3001\u7c7b\u5bf9\u8c61\u4ee5\u53ca\u5b57\u7b26\u4e32\u662f\u4e0d\u5141\u8bb8\u6211\u4eec\u4f5c\u4e3a\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570\u7684<\/p>\n<p>template&lt;class T,string s1&gt;<br \/>\ntemplate&lt;class T,double s1&gt;<\/p>\n<p>2\u3001\u975e\u7c7b\u578b\u7684\u6a21\u677f\u53c2\u6570\u5fc5\u987b\u5728\u7f16\u8bd1\u671f\u5c31\u80fd\u786e\u8ba4\u7ed3\u679c<\/p>\n<h2>\u6a21\u677f\u7684\u7279\u5316<\/h2>\n<h3>\u6982\u5ff5<\/h3>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b&#xff0c;\u4f7f\u7528\u6a21\u677f\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u4e0e\u7c7b\u578b\u65e0\u5173\u7684\u4ee3\u7801&#xff0c;\u4f46\u5bf9\u4e8e\u4e00\u4e9b\u7279\u6b8a\u7c7b\u578b\u7684\u53ef\u80fd\u4f1a\u5f97\u5230\u4e00\u4e9b\u9519\u8bef\u7684\u7ed3\u679c<\/p>\n<p>template&lt;class T&gt;<br \/>\nbool IsEqual(const T&amp; left,const T&amp; right)<br \/>\n{<br \/>\n    return left&#061;&#061;right;<br \/>\n}<br \/>\nint main()<br \/>\n{<br \/>\n    cout&lt;&lt;IsEqual(1,2)&lt;&lt;endl;<\/p>\n<p>    char p1[] &#061; &#034;hello&#034;;<br \/>\n    char p2[] &#061; &#034;hello&#034;;<br \/>\n    cout&lt;&lt;IsEqual(p1,p2)&lt;&lt;endl;\/\/\u6570\u7ec4\u540d\u662f\u6307\u9488\u5e38\u91cf<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u8fd9\u4e2a\u6a21\u677f\u53ef\u4ee5\u7528\u6765\u6bd4\u8f83\u6574\u5f62&#xff0c;\u4f46\u662f\u6bd4\u8f83\u5730\u5740\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898<\/p>\n<p>\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u7684\u7279\u5316&#xff0c;\u53ef\u4ee5\u9488\u5bf9\u67d0\u4e9b\u7c7b\u578b\u8fdb\u884c\u7279\u6b8a\u5316\u53bb\u5904\u7406&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u5199<\/p>\n<p>bool IsEqual(const char*&amp; left,const char*&amp; right)<br \/>\n{<br \/>\n    return strcmp(left,right)&#061;&#061;0;<br \/>\n}<br \/>\nint main()<br \/>\n{<br \/>\n    cout&lt;&lt;IsEqual(1,2)&lt;&lt;endl;<\/p>\n<p>    char p1[] &#061; &#034;hello&#034;;<br \/>\n    char p2[] &#061; &#034;hello&#034;;<br \/>\n    cout&lt;&lt;IsEqual(p1,p2)&lt;&lt;endl;\/\/\u6570\u7ec4\u540d\u662f\u6307\u9488\u5e38\u91cf<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u6211\u4eec\u8c03\u5f0f\u8fc7\u540e&#xff0c;\u53d1\u73b0\u8fd9\u91cc\u4e0d\u4f1a\u8fdb\u8fd9\u4e2a\u51fd\u6570&#xff0c;\u56e0\u4e3a\u6570\u7ec4\u540d\u662f\u6307\u9488\u5e38\u91cf&#xff0c;\u5219\u8fd9\u91cc\u7684const\u4fee\u9970\u7684\u662f*left&#xff0c;\u662fleft\u6307\u5411\u7684\u5185\u5bb9\u4e0d\u80fd\u4fee\u6539&#xff0c;\u800c\u4e0d\u662fleft\u4e0d\u80fd\u4fee\u6539&#xff0c;\u8fd9\u91cc\u5c5e\u4e8e\u6743\u9650\u653e\u5927\u4e86<\/p>\n<p>\u9700\u8981\u8fd9\u6837\u6539&#xff0c;\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fdb\u53bb\u4e86&#xff1a;<\/p>\n<p>\/\/\u6a21\u677f\u7684\u7279\u5316&#xff0c;\u9488\u5bf9\u67d0\u4e9b\u7c7b\u578b\u8fdb\u884c\u7279\u6b8a\u5316\u5904\u7406<br \/>\nbool IsEqual(const char*&amp; const left,const char*&amp; const right)<br \/>\n{<br \/>\n    return strcmp(left,right)&#061;&#061;0;<br \/>\n}<\/p>\n<p>bool IsEqual(const char* left,const char* right)<br \/>\n{<br \/>\n    return strcmp(left,right)&#061;&#061;0;<br \/>\n}<\/p>\n<h3>\u51fd\u6570\u6a21\u677f\u7684\u7279\u5316<\/h3>\n<p>\u51fd\u6570\u6a21\u677f\u7684\u7279\u5316\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u5fc5\u987b\u8981\u5148\u6709\u4e00\u4e2a\u57fa\u7840\u7684\u51fd\u6570\u6a21\u677f<\/li>\n<li>\u5173\u952e\u5b57template\u540e\u9762\u63a5\u4e00\u5bf9\u7a7a\u7684\u5c16\u62ec\u53f7&lt;&gt;<\/li>\n<li>\u51fd\u6570\u540d\u540e\u8ddf\u4e00\u5bf9\u5c16\u62ec\u53f7&#xff0c;\u5c16\u62ec\u53f7\u4e2d\u6307\u5b9a\u9700\u8981\u7279\u5316\u7684\u7c7b\u578b<\/li>\n<li>\u51fd\u6570\u5f62\u53c2\u8868: \u5fc5\u987b\u8981\u548c\u6a21\u677f\u51fd\u6570\u7684\u57fa\u7840\u53c2\u6570\u7c7b\u578b\u5b8c\u5168\u76f8\u540c&#xff0c;\u5982\u679c\u4e0d\u540c\u7f16\u8bd1\u5668\u53ef\u80fd\u4f1a\u62a5\u4e00\u4e9b\u5947\u602a\u7684\u9519\u8bef\u3002<\/li>\n<p>template&lt;class T&gt;<br \/>\nvoid Swap(T&amp; a,T&amp; b)<br \/>\n{<br \/>\n    \/\/vector\u4ee3\u4ef7\u592a\u5927<br \/>\n    T tmp &#061; a;<br \/>\n    a &#061; b;<br \/>\n    b &#061; tmp;<br \/>\n}<br \/>\nint main()<br \/>\n{<br \/>\n    int x &#061; 1;<br \/>\n    int y &#061; 2;<br \/>\n    Swap(x,y);<br \/>\n    vector&lt;int&gt; v1 &#061; {1,2,3,4};<br \/>\n    vector&lt;int&gt; v2 &#061; {10,20,30,40};<br \/>\n    Swap(v1,v2);<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>\u6211\u4eec\u4ea4\u6362\u7684\u7c7b\u578b\u662fvector\u65f6&#xff0c;\u6b64\u65f6\u7528\u6a21\u677f\u51fd\u6570\u8fdb\u884c\u4ea4\u6362\u4ee3\u4ef7\u592a\u5927\u4e86&#xff0c;\u4e00\u6b21\u62f7\u8d1d\u6784\u9020&#043;\u4e24\u6b21\u8d4b\u503c\u91cd\u8f7d&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f18\u5316\u4e00\u4e0b&#xff1a;<\/p>\n<p>\/\/\u51fd\u6570\u6a21\u677f\u7684\u7279\u5316<br \/>\ntemplate&lt;&gt;<br \/>\nvoid Swap&lt;vector&lt;int&gt;&gt;(vector&lt;int&gt;&amp; a,vector&lt;int&gt;&amp; b)<br \/>\n{<br \/>\n    a.swap(b);<br \/>\n}<\/p>\n<p>\u5f53\u7136\u4e5f\u53ef\u4ee5\u8fd9\u6837&#xff0c;\u5229\u7528\u6a21\u677f\u7684\u5339\u914d\u539f\u5219&#xff0c;\u8fdb\u884c\u7279\u6b8a\u5316\u5904\u7406&#xff1a;<\/p>\n<p>\/\/\u6a21\u677f\u7684\u5339\u914d\u539f\u5219&#xff0c;\u8fdb\u884c\u7279\u6b8a\u5316\u5904\u7406<br \/>\nvoid Swap(vector&lt;int&gt;&amp; a,vector&lt;int&gt;&amp; b)<br \/>\n{<br \/>\n    a.swap(b);<br \/>\n}<\/p>\n<h3>\u7c7b\u6a21\u677f\u7684\u7279\u5316<\/h3>\n<p>\u5168\u7279\u5316<\/p>\n<p>\u5168\u7279\u5316\u5c31\u662f\u5c06\u6a21\u677f\u5217\u8868\u4e2d\u6240\u6709\u7684\u53c2\u6570\u90fd\u786e\u5b9a\u8bdd<\/p>\n<p>template&lt;class T1,class T2&gt;<br \/>\nclass Data<br \/>\n{<br \/>\npublic:<br \/>\nData() { cout &lt;&lt; &#034;Data&lt;T1&#xff0c;T2&gt;&#034;&lt;&lt;endl; }<br \/>\nprivate:<br \/>\nT1 _d1;<br \/>\nT2 _d2;<br \/>\n};<br \/>\n\/\/\u5168\u7279\u5316<br \/>\ntemplate&lt;&gt;<br \/>\nclass Data&lt;double, double&gt;<br \/>\n{<br \/>\npublic:<br \/>\nData() { cout &lt;&lt; &#034;Data&lt;double&#xff0c;double&gt;&#034; &lt;&lt; endl; }<br \/>\nprivate:<br \/>\nT1 _d1;<br \/>\nT2 _d2;<br \/>\n};<\/p>\n<p>int main()<br \/>\n{<br \/>\n    Data&lt;int,int&gt; d1;<br \/>\n    Data&lt;double,double&gt; d2;<br \/>\n    return 0;<br \/>\n}<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"162\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260122021626-6971887a71932.png\" width=\"461\" \/><\/p>\n<p>\u504f\u7279\u5316<\/p>\n<p>\u504f\u7279\u5316&#xff1a;\u4efb\u4f55\u9488\u5bf9\u6a21\u677f\u53c2\u6570\u8fdb\u4e00\u6b65\u8fdb\u884c\u6761\u4ef6\u9650\u5236\u8bbe\u8ba1\u7684\u7279\u5316\u7248\u672c<\/p>\n<p>\u504f\u7279\u5316\u6709\u4e24\u79cd&#xff1a;<\/p>\n<p>1\u3001\u90e8\u5206\u7279\u5316&#xff0c;\u5c06\u6a21\u677f\u53c2\u6570\u7c7b\u8868\u4e2d\u7684\u4e00\u90e8\u5206\u53c2\u6570\u7279\u5316<\/p>\n<p>template&lt;class T1,class T2&gt;<br \/>\nclass Data<br \/>\n{<br \/>\npublic:<br \/>\nData() { cout &lt;&lt; &#034;Data&lt;T1&#xff0c;T2&gt;&#034;&lt;&lt;endl; }<br \/>\nprivate:<br \/>\nT1 _d1;<br \/>\nT2 _d2;<br \/>\n};<br \/>\n\/\/\u504f\u7279\u5316\u6216\u8005\u534a\u7279\u5316<br \/>\ntemplate&lt;class T1&gt;<br \/>\nclass Data&lt;T1,double&gt;<br \/>\n{<br \/>\npublic:<br \/>\nData() { cout &lt;&lt; &#034;Data&lt;T1&#xff0c;double&gt;&#034; &lt;&lt; endl; }<br \/>\n};<\/p>\n<p>int main()<br \/>\n{<br \/>\n    Data&lt;int,double&gt; d2;<br \/>\n    Data&lt;char,double&gt; d1;<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"102\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260122021626-6971887a8162b.png\" width=\"297\" \/><\/p>\n<p>2\u3001\u53c2\u6570\u66f4\u8fdb\u4e00\u6b65\u7684\u9650\u5236&#xff0c;\u504f\u7279\u5316\u5e76\u4e0d\u662f\u4ec5\u4ec5\u662f\u6307\u7279\u5316\u90e8\u5206\u53c2\u6570&#xff0c;\u800c\u662f\u9488\u5bf9\u6a21\u677f\u53c2\u6570\u66f4\u8fdb\u4e00\u6b65\u7684\u6761\u4ef6\u9650\u5236\u6240\u8bbe\u8ba1\u51fa\u6765\u7684\u4e00\u4e2a\u7279\u5316\u7248\u672c<\/p>\n<p>\/\/\u5fc5\u987b\u8981\u5b58\u5728\u539f\u6a21\u677f&#xff0c;\u5728\u539f\u6a21\u677f\u7684\u57fa\u7840\u4e0a\u53bb\u7279\u5316<br \/>\ntemplate&lt;class T1,class T2&gt;<br \/>\nclass Date<br \/>\n{<br \/>\npublic:<br \/>\nDate() {<br \/>\ncout &lt;&lt; &#034;Date&lt;T1,T2&gt;&#034; &lt;&lt; endl;<br \/>\n}<br \/>\nprivate:<br \/>\nT1 _d1;<br \/>\nT2 _d2;<br \/>\n};<\/p>\n<p>\/\/\u504f\u7279\u5316&#xff0c;\u4f20\u7684\u7c7b\u578b\u662f\u6307\u9488<br \/>\ntemplate&lt;typename T1,typename T2&gt;<br \/>\nclass Date&lt;T1*, T2*&gt;<br \/>\n{<br \/>\npublic:<br \/>\nDate()<br \/>\n{<br \/>\ncout &lt;&lt; &#034;Date&lt;T1*,T2*&gt;&#034; &lt;&lt; endl;<br \/>\n}<br \/>\n};<\/p>\n<p>\/\/\u4f20\u7684\u662f\u5f15\u7528<br \/>\ntemplate&lt;typename T1, typename T2&gt;<br \/>\nclass Date&lt;T1&amp;, T2&amp;&gt;<br \/>\n{<br \/>\npublic:<br \/>\nDate()<br \/>\n{<br \/>\ncout &lt;&lt; &#034;Date&lt;T1&amp;,T2&amp;&gt;&#034; &lt;&lt; endl;<br \/>\n}<br \/>\n};<\/p>\n<p>\/\/\u4e5f\u53ef\u4ee5\u534a\u6307\u9488&#xff0c;\u534a\u5f15\u7528<br \/>\ntemplate&lt;typename T1, typename T2&gt;<br \/>\nclass Date&lt;T1&amp;, T2*&gt;<br \/>\n{<br \/>\npublic:<br \/>\nDate()<br \/>\n{<br \/>\ncout &lt;&lt; &#034;Date&lt;T1&amp;,T2*&gt;&#034; &lt;&lt; endl;<br \/>\n}<br \/>\n};<\/p>\n<p>int main()<br \/>\n{<br \/>\nDate&lt;char*, char*&gt; d5;<br \/>\nDate&lt;int*, double*&gt;d6;<br \/>\nDate&lt;int&amp;, double&amp;&gt;d7;<br \/>\nDate&lt;int&amp;, double*&gt;d8;<\/p>\n<p>return 0;<br \/>\n} <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"156\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260122021626-6971887a8d71e.png\" width=\"287\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u6ca1\u6709\u4e86\u89e3\u8fc7\u6a21\u677f\u7684\u670b\u53cb&#xff0c;\u5c31\u53bb\u770b\u4e00\u4e0b\u6211\u7684\u6a21\u677f\u521d\u9636\u6587\u7ae0&#xff1a;C\u4e4b\u6a21\u677f\u521d\u9636-CSDN\u535a\u5ba2<br \/>\n\u901a\u8fc7\u6a21\u677f\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u53bb\u5b9e\u73b0\u6cdb\u578b\u7f16\u7a0b&#xff0c;\u6a21\u677f\u5206\u4e3a\u51fd\u6570\u6a21\u677f\u548c\u7c7b\u6a21\u677f<br \/>\n\u90a3\u4e48\u4e0b\u9762\u6211\u4f1a\u8ddf\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b&#xff0c;\u6a21\u677f\u8fdb\u9636\u7684\u77e5\u8bc6<br \/>\n\u975e\u7c7b\u578b\u6a21\u677f\u53c2\u6570<br \/>\n\u6a21\u677f\u53c2\u6570\u88ab\u5206\u4e3a&#xff1a;\u7c7b\u578b\u5f62\u53c2\u548c\u975e\u7c7b\u578b\u5f62\u53c2<br \/>\n\u7c7b\u578b\u5f62\u53c2&#xff1a;\u51fa\u73b0\u5728\u6a21\u677f\u53c2\u6570\u5217\u8868\u4e2d&#xff0c;\u8ddf\u5728class\u6216\u8005typename\u4e4b\u7c7b\u7684\u53c2\u6570\u7c7b\u578b\u540d\u79f0<br \/>\n\u975e\u7c7b\u578b\u5f62\u53c2&#xff1a;\u5c31\u662f\u7528\u4e00\u4e2a\u5e38\u91cf\u4f5c<\/p>\n","protected":false},"author":2,"featured_media":63737,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,99,190],"topic":[],"class_list":["post-63741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-java","tag-190"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u6a21\u677f\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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