{"id":68640,"date":"2026-01-30T11:48:45","date_gmt":"2026-01-30T03:48:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68640.html"},"modified":"2026-01-30T11:48:45","modified_gmt":"2026-01-30T03:48:45","slug":"c%e7%bb%93%e6%9e%84%e4%bd%93%e4%b8%8e%e6%95%b0%e7%bb%84%e5%ae%9e%e6%88%98%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68640.html","title":{"rendered":"C++\u7ed3\u6784\u4f53\u4e0e\u6570\u7ec4\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u597d\u7684&#xff0c;\u6211\u4eec\u6765\u8be6\u7ec6\u8bb2\u89e3 C&#043;&#043; \u4e2d struct \u7684\u5b9a\u4e49\u4ee5\u53ca\u7ed3\u6784\u4f53\u6570\u7ec4\u7684\u4f7f\u7528\u3002<\/p>\n<h4>1. \u7ed3\u6784\u4f53 (struct) \u7684\u5b9a\u4e49<\/h4>\n<p>\u7ed3\u6784\u4f53 (struct) \u662f C&#043;&#043; \u4e2d\u4e00\u79cd\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6570\u636e\u7c7b\u578b\u3002\u5b83\u5141\u8bb8\u4f60\u5c06\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u9879\u7ec4\u5408\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u903b\u8f91\u5355\u5143&#xff0c;\u8fd9\u4e9b\u6570\u636e\u9879\u79f0\u4e3a\u6210\u5458\u53d8\u91cf\u6216\u5b57\u6bb5\u3002<\/p>\n<h5>\u57fa\u672c\u8bed\u6cd5<\/h5>\n<p>struct \u7ed3\u6784\u4f53\u540d\u79f0 {<br \/>\n    \u6570\u636e\u7c7b\u578b1 \u6210\u5458\u53d8\u91cf1;<br \/>\n    \u6570\u636e\u7c7b\u578b2 \u6210\u5458\u53d8\u91cf2;<br \/>\n    \/\/ &#8230; \u53ef\u4ee5\u6709\u66f4\u591a\u6210\u5458\u53d8\u91cf<br \/>\n    \u6570\u636e\u7c7b\u578bN \u6210\u5458\u53d8\u91cfN;<br \/>\n}; \/\/ \u6ce8\u610f&#xff1a;\u8fd9\u91cc\u6709\u4e00\u4e2a\u5206\u53f7&#xff01;<\/p>\n<h5>\u793a\u4f8b&#xff1a;\u5b9a\u4e49\u4e00\u4e2a\u5b66\u751f\u7ed3\u6784\u4f53<\/h5>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;string&gt;<br \/>\nusing namespace std;<\/p>\n<p>\/\/ \u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a Student \u7684\u7ed3\u6784\u4f53<br \/>\nstruct Student {<br \/>\n    string name;  \/\/ \u5b66\u751f\u59d3\u540d<br \/>\n    int id;       \/\/ \u5b66\u53f7<br \/>\n    float gpa;    \/\/ \u5e73\u5747\u7ee9\u70b9<br \/>\n}; \/\/ \u7ed3\u6784\u4f53\u5b9a\u4e49\u7ed3\u675f&#xff0c;\u5fc5\u987b\u52a0\u5206\u53f7<\/p>\n<p>int main() {<br \/>\n    \/\/ \u58f0\u660e\u4e00\u4e2a Student \u7c7b\u578b\u7684\u53d8\u91cf<br \/>\n    Student stu1;<\/p>\n<p>    \/\/ \u7ed9\u7ed3\u6784\u4f53\u6210\u5458\u8d4b\u503c<br \/>\n    stu1.name &#061; &#034;\u5f20\u4e09&#034;;<br \/>\n    stu1.id &#061; 20230101;<br \/>\n    stu1.gpa &#061; 3.75;<\/p>\n<p>    \/\/ \u8bbf\u95ee\u5e76\u8f93\u51fa\u7ed3\u6784\u4f53\u6210\u5458<br \/>\n    cout &lt;&lt; &#034;\u59d3\u540d: &#034; &lt;&lt; stu1.name &lt;&lt; endl;<br \/>\n    cout &lt;&lt; &#034;\u5b66\u53f7: &#034; &lt;&lt; stu1.id &lt;&lt; endl;<br \/>\n    cout &lt;&lt; &#034;\u7ee9\u70b9: &#034; &lt;&lt; stu1.gpa &lt;&lt; endl;<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u8bf4\u660e:<\/p>\n<ul>\n<li>struct Student {&#8230;};: \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a Student \u7684\u7ed3\u6784\u4f53\u7c7b\u578b&#xff0c;\u5b83\u5305\u542b\u4e09\u4e2a\u6210\u5458&#xff1a;name (\u5b57\u7b26\u4e32\u7c7b\u578b), id (\u6574\u578b), gpa (\u6d6e\u70b9\u578b)\u3002<\/li>\n<li>Student stu1;: \u58f0\u660e\u4e00\u4e2a Student \u7c7b\u578b\u7684\u53d8\u91cf stu1\u3002<\/li>\n<li>stu1.name &#061; &#034;\u5f20\u4e09&#034;;: \u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26 . \u6765\u8bbf\u95ee\u7ed3\u6784\u4f53\u53d8\u91cf\u7684\u6210\u5458\u5e76\u4e3a\u5176\u8d4b\u503c\u3002<\/li>\n<li>\u7ed3\u6784\u4f53\u53d8\u91cf\u7684\u6210\u5458\u53ef\u4ee5\u50cf\u666e\u901a\u53d8\u91cf\u4e00\u6837\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h4>2. \u7ed3\u6784\u4f53\u6570\u7ec4<\/h4>\n<p>\u7ed3\u6784\u4f53\u6570\u7ec4\u5c31\u662f\u6570\u7ec4\u7684\u5143\u7d20\u662f\u7ed3\u6784\u4f53\u7c7b\u578b\u3002\u5b83\u5141\u8bb8\u4f60\u5b58\u50a8\u548c\u5904\u7406\u591a\u4e2a\u76f8\u540c\u7ed3\u6784\u7684\u6570\u636e\u96c6\u5408\u3002<\/p>\n<h5>\u5b9a\u4e49\u7ed3\u6784\u4f53\u6570\u7ec4<\/h5>\n<p>\u7ed3\u6784\u4f53\u540d\u79f0 \u6570\u7ec4\u540d[\u6570\u7ec4\u5927\u5c0f];<\/p>\n<h5>\u793a\u4f8b&#xff1a;\u5b9a\u4e49\u4e00\u4e2a\u5b66\u751f\u7ed3\u6784\u4f53\u6570\u7ec4<\/h5>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;string&gt;<br \/>\nusing namespace std;<\/p>\n<p>struct Student {<br \/>\n    string name;<br \/>\n    int id;<br \/>\n    float gpa;<br \/>\n};<\/p>\n<p>int main() {<br \/>\n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u5305\u542b 3 \u4e2a Student \u5143\u7d20\u7684\u6570\u7ec4<br \/>\n    Student students[3]; <\/p>\n<p>    \/\/ \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20 (\u65b9\u5f0f\u4e00&#xff1a;\u9010\u4e2a\u8d4b\u503c)<br \/>\n    students[0].name &#061; &#034;\u5f20\u4e09&#034;;<br \/>\n    students[0].id &#061; 20230101;<br \/>\n    students[0].gpa &#061; 3.75;<\/p>\n<p>    students[1].name &#061; &#034;\u674e\u56db&#034;;<br \/>\n    students[1].id &#061; 20230102;<br \/>\n    students[1].gpa &#061; 3.82;<\/p>\n<p>    students[2].name &#061; &#034;\u738b\u4e94&#034;;<br \/>\n    students[2].id &#061; 20230103;<br \/>\n    students[2].gpa &#061; 3.68;<\/p>\n<p>    \/\/ \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20 (\u65b9\u5f0f\u4e8c&#xff1a;\u4f7f\u7528\u521d\u59cb\u5316\u5217\u8868)<br \/>\n    \/\/ Student students[3] &#061; {<br \/>\n    \/\/     {&#034;\u5f20\u4e09&#034;, 20230101, 3.75},<br \/>\n    \/\/     {&#034;\u674e\u56db&#034;, 20230102, 3.82},<br \/>\n    \/\/     {&#034;\u738b\u4e94&#034;, 20230103, 3.68}<br \/>\n    \/\/ };<\/p>\n<p>    \/\/ \u904d\u5386\u7ed3\u6784\u4f53\u6570\u7ec4\u5e76\u8f93\u51fa\u4fe1\u606f<br \/>\n    for (int i &#061; 0; i &lt; 3; i&#043;&#043;) {<br \/>\n        cout &lt;&lt; &#034;\u5b66\u751f &#034; &lt;&lt; i &#043; 1 &lt;&lt; &#034;:&#034; &lt;&lt; endl;<br \/>\n        cout &lt;&lt; &#034;  \u59d3\u540d: &#034; &lt;&lt; students[i].name &lt;&lt; endl;<br \/>\n        cout &lt;&lt; &#034;  \u5b66\u53f7: &#034; &lt;&lt; students[i].id &lt;&lt; endl;<br \/>\n        cout &lt;&lt; &#034;  \u7ee9\u70b9: &#034; &lt;&lt; students[i].gpa &lt;&lt; endl;<br \/>\n    }<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u8bf4\u660e:<\/p>\n<ul>\n<li>Student students[3];: \u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a students \u7684\u6570\u7ec4&#xff0c;\u8be5\u6570\u7ec4\u5305\u542b 3 \u4e2a\u5143\u7d20&#xff0c;\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f Student \u7ed3\u6784\u4f53\u7c7b\u578b\u3002<\/li>\n<li>\u8bbf\u95ee\u6210\u5458&#xff1a;\u4f7f\u7528 \u6570\u7ec4\u540d[\u7d22\u5f15].\u6210\u5458\u540d \u7684\u8bed\u6cd5\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u7279\u5b9a\u6210\u5458&#xff0c;\u4f8b\u5982 students[0].name \u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5b66\u751f\u7684\u59d3\u540d\u3002<\/li>\n<li>\u521d\u59cb\u5316&#xff1a;\n<ul>\n<li>\u65b9\u5f0f\u4e00&#xff1a;\u58f0\u660e\u6570\u7ec4\u540e&#xff0c;\u9010\u4e2a\u5143\u7d20\u3001\u9010\u4e2a\u6210\u5458\u5730\u8fdb\u884c\u8d4b\u503c\u3002<\/li>\n<li>\u65b9\u5f0f\u4e8c&#xff1a;\u5728\u58f0\u660e\u6570\u7ec4\u65f6&#xff0c;\u4f7f\u7528\u5927\u62ec\u53f7 {} \u8fdb\u884c\u521d\u59cb\u5316\u3002\u5185\u90e8\u5d4c\u5957\u7684\u5927\u62ec\u53f7 {} \u7528\u4e8e\u521d\u59cb\u5316\u6bcf\u4e2a\u7ed3\u6784\u4f53\u5143\u7d20&#xff08;\u6210\u5458\u987a\u5e8f\u9700\u4e0e\u7ed3\u6784\u4f53\u5b9a\u4e49\u4e00\u81f4&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u904d\u5386&#xff1a;\u4f7f\u7528\u5faa\u73af&#xff08;\u5982 for \u5faa\u73af&#xff09;\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u7ed3\u6784\u4f53\u5143\u7d20&#xff0c;\u5e76\u901a\u8fc7\u70b9\u8fd0\u7b97\u7b26\u8bbf\u95ee\u5176\u6210\u5458\u3002<\/li>\n<\/ul>\n<h4>\u603b\u7ed3<\/h4>\n<ul>\n<li>\u7ed3\u6784\u4f53 (struct) \u7528\u4e8e\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<li>\u7ed3\u6784\u4f53\u6570\u7ec4 \u662f\u5b58\u50a8\u591a\u4e2a\u76f8\u540c\u7ed3\u6784\u4f53\u6570\u636e\u7684\u6709\u6548\u65b9\u5f0f\u3002<\/li>\n<li>\u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26 . \u8bbf\u95ee\u7ed3\u6784\u4f53\u53d8\u91cf\u6216\u5176\u6570\u7ec4\u5143\u7d20\u7684\u6210\u5458\u3002<\/li>\n<li>\u7ed3\u6784\u4f53\u6570\u7ec4\u53ef\u4ee5\u5728\u58f0\u660e\u65f6\u521d\u59cb\u5316&#xff0c;\u4e5f\u53ef\u4ee5\u5728\u540e\u7eed\u4ee3\u7801\u4e2d\u9010\u4e2a\u521d\u59cb\u5316\u6210\u5458\u3002<\/li>\n<\/ul>\n<p>\u7ed3\u6784\u4f53\u548c\u7ed3\u6784\u4f53\u6570\u7ec4\u662f C&#043;&#043; 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