{"id":92233,"date":"2026-08-09T19:40:55","date_gmt":"2026-08-09T11:40:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92233.html"},"modified":"2026-08-09T19:40:55","modified_gmt":"2026-08-09T11:40:55","slug":"%e5%b8%a6%e4%bd%a0%e4%b8%80%e5%8f%a3%e6%b0%94%e6%90%9e%e6%87%82c%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e4%b8%89%e5%a4%a7%e6%9e%84%e9%80%a0%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%ef%bc%88%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92233.html","title":{"rendered":"\u5e26\u4f60\u4e00\u53e3\u6c14\u641e\u61c2C\u8bed\u8a00\u4e2d\u7684\u4e09\u5927\u6784\u9020\u6570\u636e\u7c7b\u578b\uff08\u7ed3\u6784\u4f53\u3001\u5171\u7528\u4f53\/\u8054\u5408\u4f53\u3001\u679a\u4e3e\uff09"},"content":{"rendered":"

\u4e00\u3001\u7ed3\u6784\u4f53<\/h2>\n

1.\u7ed3\u6784\u4f53\u7684\u58f0\u660e<\/h3>\n

struct \u540d\u79f0<\/p>\n

{<\/p>\n

\u6570\u636e\u7c7b\u578b \u6210\u54581；<\/p>\n

\u6570\u636e\u7c7b\u578b \u6210\u54582；<\/p>\n

\u6570\u636e\u7c7b\u578b \u6210\u54583；<\/p>\n

}；<\/p>\n

\u6ce8\u610f：<\/span><\/p>\n

1. \u58f0\u660e\u7ed3\u6784\u4f53\u7684\u65f6\u5019，\u7ed3\u6784\u4f53<\/span>{}<\/span>\u540e\u9762\u7684<\/span>\u201c<\/span>；<\/span>\u201d<\/span>\u4e0d\u80fd\u7701\u3002 <\/span><\/p>\n

2. <\/span>\u7ed3\u6784\u4f53\u6210\u5458\u4e4b\u95f4\u7528<\/span>\u201c<\/span>；<\/span>\u201d<\/span>\u9694\u5f00\u3002 <\/span><\/p>\n

3. struct<\/span>\u540e\u9762\u7684<\/span>\u201c <\/span>\u540d\u79f0<\/span>\u201d<\/span>\u53ef\u4ee5\u7701\u7565，\u7701\u7565\u540e\u5c31\u662f\u4e00\u4e2a\u533f\u540d\u7ed3\u6784\u4f53\u3002<\/span><\/p>\n

2.\u7ed3\u6784\u4f53\u53d8\u91cf\u5b9a\u4e49<\/span><\/h3>\n

\u7ed3\u6784\u4f53\u7c7b\u578b \u53d8\u91cf\u540d； <\/span><\/p>\n

struct date mydate;<\/span><\/p>\n

3.\u7ed3\u6784\u4f53\u521d\u59cb\u5316<\/span><\/h3>\n

\u5168\u90e8\u521d\u59cb\u5316：<\/span><\/p>\n

struct date mydate = {2026， 8，6};
\nstruct datetime
\n{
\nstruct date mdate;
\nstruct time mtm;
\n}；
\nstruct datetime mydt = {{2026,8,6}, {14,5,23}};<\/p>\n

\u90e8\u5206\u521d\u59cb\u5316：<\/p>\n

struct date mydate =
\n{
\n.year = 2024,
\n.day = 6,
\n}；<\/p>\n

4.\u7ed3\u6784\u4f53\u6570\u636e\u6210\u5458\u7684\u8bbf\u95ee<\/h3>\n

\u901a\u8fc7\u7ed3\u6784\u4f53\u53d8\u91cf\u8bbf\u95ee\u7ed3\u6784\u4f53\u6210\u5458：<\/p>\n

\u7ed3\u6784\u53d8\u91cf\u53d8\u91cf\u540d.<\/span>\u6210\u5458<\/span>1<\/span>； <\/span><\/p>\n

\u7ed3\u6784\u53d8\u91cf\u53d8\u91cf\u540d<\/span>.<\/span>\u6210\u5458<\/span>2<\/span>； <\/span><\/p>\n

\u7ed3\u6784\u53d8\u91cf\u53d8\u91cf\u540d<\/span>.<\/span>\u6210\u5458<\/span>3<\/span>；<\/span><\/p>\n

\u901a\u8fc7\u7ed3\u6784\u4f53\u6307\u9488\u8bbf\u95ee\u7ed3\u6784\u4f53\u6210\u5458:<\/span><\/p>\n

\u7ed3\u6784\u4f53\u6307\u9488-><\/span>\u6210\u5458<\/span>1<\/span>； <\/span><\/p>\n

\u7ed3\u6784\u4f53\u6307\u9488<\/span>-><\/span>\u6210\u5458<\/span>2<\/span>； <\/span><\/p>\n

\u7ed3\u6784\u4f53\u6307\u9488<\/span>-><\/span>\u6210\u5458<\/span>3<\/span>；<\/span><\/p>\n

5.\u7ed3\u6784\u4f53\u7684\u5b58\u50a8\u65b9\u5f0f<\/span><\/h3>\n

\u7ed3\u6784\u4f53\u5bf9\u9f50\u539f\u5219： <\/span><\/p>\n

1. <\/span>\u7ed3\u6784\u4f53\u6210\u5458\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u65f6，\u6210\u5458\u5fc5\u987b\u5b58\u50a8\u5728\u81ea\u5df1\u5b57\u8282\u5927\u5c0f\u7684\u6574\u6570\u500d\u4f4d\u7f6e； <\/span><\/p>\n

2. <\/span>\u7ed3\u6784\u4f53\u6574\u4f53\u5360\u7684\u5185\u5b58\u5927\u5c0f，\u662f\u7ed3\u6784\u4f53\u4e2d\u6700\u5927\u6210\u5458\u5b57\u8282\u6570\u7684\u6574\u6570\u500d\u3002<\/span><\/p>\n

\u6ce8\u610f： <\/span><\/p>\n

1. <\/span>\u5728\u4e0d\u540c\u4f4d\u7cfb\u7edf\u4e0b，\u76f8\u540c\u7ed3\u6784\u4f53\u5728\u5185\u5b58\u4e2d\u5360\u7684\u5b57\u8282\u7a7a\u95f4\u53ef\u80fd\u4e0d\u4e00\u6837 <\/span><\/p>\n

\u539f\u56e0：<\/span>64<\/span>\u4f4d\u7cfb\u7edf<\/span>long\/<\/span>\u6307\u9488\u7c7b\u578b\u5360<\/span>8<\/span>\u5b57\u8282；<\/span>32<\/span>\u4f4d\u7cfb\u7edf<\/span>long\/<\/span>\u6307\u9488\u7c7b\u578b\u5360<\/span>4<\/span>\u5b57\u8282\u3002 <\/span><\/p>\n

2. <\/span>\u53ef\u4ee5\u5f3a\u5236\u8ba9\u7ed3\u6784\u4f53\u6309\u6307\u5b9a\u5b57\u8282\u6570\u5bf9\u9f50\u3002<\/span><\/p>\n

6.\u7ed3\u6784\u4f53\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u51fd\u6570<\/span><\/h3>\n

\u5982\u679c\u8981\u5728\u88ab\u8c03\u51fd\u6570\u4e2d\u4fee\u6539\u4e3b\u8c03\u51fd\u6570\u4e2d\u7684\u7ed3\u6784\u4f53\u53d8\u91cf，\u5219\u4f20\u9012\u7ed3\u6784\u4f53\u53d8\u91cf\u7684\u5730\u5740； <\/span><\/p>\n

\u5982\u679c\u5728\u88ab\u8c03\u51fd\u6570\u4e2d\u4f7f\u7528\u4e3b\u8c03\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u7ed3\u6784\u4f53\u53d8\u91cf，\u53ef\u4ee5\u503c\u4f20\u9012，\u4e5f\u53ef\u4ee5\u4f20\u5730\u5740\u3002<\/span><\/p>\n

7.\u7ed3\u6784\u4f53\u6570\u7ec4<\/span><\/h3>\n

struct \u540d\u79f0 \u6570\u7ec4\u540d<\/span>[<\/span>\u5143\u7d20\u4e2a\u6570<\/span>]<\/span>； <\/span><\/p>\n

struct <\/span>\u540d\u79f0 \u6570\u7ec4\u540d<\/span>[<\/span>\u5143\u7d20\u4e2a\u6570<\/span>] = {{}<\/span>， <\/span>{}<\/span>， <\/span>{}}<\/span>； <\/span><\/p>\n

\u6570\u7ec4\u540d<\/span>[<\/span>\u4e0b\u6807<\/span>]; —<\/span>\u300b\u6570\u636e\u7c7b\u578b：<\/span>\u201dstruct <\/span>\u540d\u79f0<\/span>\u201c <\/span>\u7c7b\u578b <\/span><\/p>\n

\u7ed3\u6784\u4f53\u6570\u7ec4\u4e2d\u7684\u6210\u5458\u8bbf\u95ee： <\/span><\/p>\n

struct stu ss[4] = { <\/span><\/p>\n

{"zhangsan", 23, 90}, {"lisi", 22, 67}, <\/span><\/p>\n

{"wanger", 24, 89}, {"zhaowu", 20, 99}<\/span><\/p>\n

};<\/span><\/p>\n

\/\/struct stu
\n\/\/printf("%s %d %d\\\\n", ss[i].name, ss[i].age, ss[i].score);
\n \/\/struct stu *
\n\/\/printf("%s %d %d\\\\n", (ss+i)->name, (ss+i)->age, (ss+i)->score);
\n \/\/struct stu
\n\/\/printf("%s %d %d\\\\n", (*(ss+i)).name, (*(ss+i)).age, (*(ss+i)).score);<\/p>\n

\u4e8c\u3001\u5171\u7528\u4f53\/\u8054\u5408\u4f53<\/h2>\n

1.\u57fa\u672c\u8bed\u6cd5<\/h3>\n

\u58f0\u660e\u5171\u7528\u4f53：
\nunion \u540d\u79f0
\n{
\n\u6570\u636e\u7c7b\u578b \u6210\u54581；
\n\u6570\u636e\u7c7b\u578b \u6210\u54582；
\n\u6570\u636e\u7c7b\u578b \u6210\u54583；
\n}；
\n\u5b9a\u4e49\u5171\u7528\u4f53\u53d8\u91cf：
\nunion \u540d\u79f0 \u53d8\u91cf\u540d；<\/p>\n

\u7279\u70b9： <\/span><\/p>\n

1. <\/span>\u5171\u7528\u4f53\u4e2d\u7684\u6240\u6709\u6210\u5458\u5171\u7528\u4e00\u5757\u5185\u5b58\u7a7a\u95f4； <\/span><\/p>\n

2. <\/span>\u5171\u7528\u4f53\u5728\u5185\u5b58\u4e2d\u5360\u7684\u5b57\u8282\u6570\u53d6\u51b3\u4e8e\u6700\u5927\u5b57\u8282\u6570\u7684\u6210\u5458\u3002 <\/span><\/p>\n

3. <\/span>\u5171\u7528\u4f53\u5b58\u50a8\u7684\u6570\u636e，\u548c\u6700\u540e\u4e00\u6b21\u7684\u6210\u5458\u8d4b\u503c\u6709\u5173\u3002<\/span><\/p>\n

2.\u5185\u5b58\u5927\u5c0f\u7aef\u5b58\u50a8\u65b9\u5f0f<\/h3>\n

\u5c0f\u7aef：\u5185\u5b58\u7684\u9ad8\u5730\u5740\u5b58\u50a8\u9ad8\u5b57\u8282\u4f4d，\u5185\u5b58\u7684\u4f4e\u5730\u5740\u5b58\u50a8\u4f4e\u5b57\u8282\u4f4d； <\/span><\/p>\n

\u5927\u7aef：\u5185\u5b58\u7684\u9ad8\u5730\u5740\u5b58\u50a8\u4f4e\u5b57\u8282\u4f4d，\u5185\u5b58\u7684\u4f4e\u5730\u5740\u5b58\u50a8\u9ad8\u5b57\u8282\u4f4d；<\/span><\/p>\n

\u5927\u5c0f\u7aef\u6d4b\u8bd5\u65b9\u5f0f：<\/span><\/p>\n

\u6307\u9488\u65b9\u5f0f：<\/span><\/p>\n

int main(void)
\n{
\nint a = 0x11223344;
\nchar *p = (char *)&a;
\nif (*p == 0x44)
\n{
\nprintf("small\\\\n");
\n}
\nelse
\n{
\nprintf("big\\\\n");
\n}
\n}<\/p>\n

\u5171\u7528\u4f53\u65b9\u5f0f：<\/p>\n

union s
\n{
\nint a;
\nchar b;
\n};
\nint main(void)
\n{
\nunion s tmp;
\ntmp.a = 1;
\nif (tmp.b)
\n{
\nprintf("small\\\\n");
\n}
\nelse
\n{
\nprintf("big\\\\n");
\n}
\nreturn 0;
\n}<\/p>\n

\u4e09\u3001\u679a\u4e3e\u7c7b\u578b<\/h2>\n

1.\u57fa\u672c\u8bed\u6cd5<\/h3>\n

\u679a\u4e3e\u7c7b\u578b\u7684\u58f0\u660e：
\nenum \u540d\u79f0
\n{
\n\u679a\u4e3e\u5e38\u91cf1，
\n\u679a\u4e3e\u5e38\u91cf2，
\n\u679a\u4e3e\u5e38\u91cf3，
\n}；<\/p>\n

\u6ce8\u610f：<\/p>\n

1. \u679a\u4e3e\u91cc\u9762\u7684\u6210\u5458\u90fd\u662f\u679a\u4e3e\u5e38\u91cf，\u90fd\u662f\u6574\u5f62\u5e38\u91cf，\u6240\u4ee5\u4e0d\u9700\u8981\u5199\u6570\u636e\u7c7b\u578b； <\/span><\/p>\n

2. <\/span>\u679a\u4e3e\u5e38\u91cf\u6839\u636e\u884c\u4e1a\u89c4\u8303，\u4e00\u822c\u5199\u6210\u5927\u5199\u65b9\u5f0f，\u548c\u666e\u901a\u53d8\u91cf\u533a\u5206； <\/span><\/p>\n

3. <\/span>\u679a\u4e3e\u4e2d\u7684\u679a\u4e3e\u5e38\u91cf，\u7c7b\u4f3c\u4e8e\u6574\u5f62\u7b26\u53f7\u5e38\u91cf，\u53ef\u4ee5\u76f4\u63a5\u88ab\u5f15\u7528； <\/span><\/p>\n

4. <\/span>\u679a\u4e3e\u4e2d\u7684\u5e38\u91cf\u548c\u5e38\u91cf\u4e4b\u95f4\u7528\u9017\u53f7\u9694\u5f00； <\/span><\/p>\n

5. <\/span>\u679a\u4e3e\u4e2d\u7684\u679a\u4e3e\u5e38\u91cf\u5982\u679c\u6ca1\u6709\u7ed9\u5b9a\u521d\u59cb\u503c，\u5219\u9ed8\u8ba4\u4ece<\/span>0<\/span>\u5f00\u59cb； <\/span><\/p>\n

\u5982\u679c\u7ed9\u5176\u4e2d\u7684\u67d0\u4e2a\u679a\u4e3e\u5e38\u91cf\u7ed9\u5b9a\u4e86\u521d\u59cb\u503c，\u5219\u540e\u9762\u7684\u5e38\u91cf\u4ee5\u8be5\u503c\u4e3a\u57fa\u7840\u81ea\u589e<\/span>1<\/span>；<\/span><\/p>\n

2.\u679a\u4e3e\u53d8\u91cf<\/span><\/h3>\n

enum \u540d\u79f0 \u53d8\u91cf\u540d； <\/span><\/p>\n

\u679a\u4e3e\u53d8\u91cf\u662f\u679a\u4e3e\u7c7b\u578b，\u4f46\u672c\u8d28\u662f\u4e00\u4e2a\u6574\u5f62\u3002 <\/span><\/p>\n

\u53d8\u91cf\u540d <\/span>= <\/span>\u679a\u4e3e\u5e38\u91cf；<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u7ed3\u6784\u4f531.\u7ed3\u6784\u4f53\u7684\u58f0\u660estruct \u540d\u79f0{\u6570\u636e\u7c7b\u578b \u6210\u54581；\u6570\u636e\u7c7b\u578b \u6210\u54582；\u6570\u636e\u7c7b\u578b \u6210\u54583；}；\u6ce8\u610f：1. \u58f0\u660e\u7ed3\u6784\u4f53\u7684\u65f6\u5019，\u7ed3\u6784\u4f53{}\u540e\u9762\u7684\u201c；\u201d\u4e0d\u80fd\u7701\u3002 2. \u7ed3\u6784\u4f53\u6210\u5458\u4e4b\u95f4\u7528\u201c；\u201d\u9694\u5f00\u3002 3. struct\u540e\u9762\u7684\u201c \u540d\u79f0\u201d\u53ef\u4ee5\u7701\u7565，\u7701\u7565\u540e\u5c31\u662f\u4e00\u4e2a\u533f\u540d\u7ed3\u6784\u4f53\u30022.\u7ed3\u6784\u4f53\u53d8\u91cf\u5b9a\u4e49\u7ed3\u6784\u4f53\u7c7b\u578b \u53d8\u91cf\u540d； struct date my<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[174,58,190,427],"topic":[],"class_list":["post-92233","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-linux","tag-190","tag-427"],"yoast_head":"\n\u5e26\u4f60\u4e00\u53e3\u6c14\u641e\u61c2C\u8bed\u8a00\u4e2d\u7684\u4e09\u5927\u6784\u9020\u6570\u636e\u7c7b\u578b\uff08\u7ed3\u6784\u4f53\u3001\u5171\u7528\u4f53\/\u8054\u5408\u4f53\u3001\u679a\u4e3e\uff09 - 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