{"id":50611,"date":"2025-08-10T11:09:30","date_gmt":"2025-08-10T03:09:30","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/50611.html"},"modified":"2025-08-10T11:09:30","modified_gmt":"2025-08-10T03:09:30","slug":"%e6%8c%87%e9%92%88%e8%af%a6%e7%bb%86%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/50611.html","title":{"rendered":"\u6307\u9488\u8be6\u7ec6\u89e3\u6790"},"content":{"rendered":"<h2>\u7b80\u4ecb<\/h2>\n<ul>\n<li>\n<p>\u6307\u9488\u662fC\u8bed\u8a00\u7684\u4e00\u4e2a\u91cd\u8981\u77e5\u8bc6\u70b9&#xff0c;\u5176\u4f7f\u7528\u7075\u6d3b\u3001\u529f\u80fd\u5f3a\u5927&#xff0c;\u662fC\u8bed\u8a00\u7684\u7075\u9b42<\/p>\n<\/li>\n<li>\n<p>\u6307\u9488\u4e0e\u5e95\u5c42\u786c\u4ef6(\u5185\u5b58)\u8054\u7cfb\u7d27\u5bc6&#xff0c;\u4f7f\u7528\u6307\u9488\u53ef\u64cd\u4f5c\u6570\u636e\u7684\u5730\u5740&#xff0c;\u5b9e\u73b0\u6570\u636e\u7684\u95f4\u63a5\u8bbf\u95ee<\/p>\n<\/li>\n<\/ul>\n<h2>\u8ba1\u7b97\u673a\u5b58\u50a8\u673a\u5236<\/h2>\n<ul>\n<li>\n<p>\u5b58\u50a8\u6709\u5927\u7aef\u548c\u5c0f\u7aef\u7684\u533a\u522b&#xff0c;\u6b64\u5904\u4ee5\u5c0f\u7aef\u5b58\u50a8\u4e3a\u4f8b<\/p>\n<\/li>\n<li>\n<p>\u603b\u7ed3\u4e00\u53e5\u8bdd\u4e3a&#xff1a;\u4f4e\u4f4d\u5728\u524d\u4e3a\u5c0f\u7aef&#xff0c;\u9ad8\u4f4d\u5728\u524d\u4e3a\u5927\u7aef<\/p>\n<\/li>\n<li>\n<p>\u76ee\u524d\u8ba1\u7b97\u673a\u4e3b\u8981\u4ee5\u5c0f\u7aef\u4e3a\u4e3b<\/p>\n<\/li>\n<\/ul>\n<p>int a &#061; 0x12345678;<br \/>\nshort b &#061; 0x5A6B;<br \/>\nchar c[] &#061; {0x33,0x34,0x35};<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"674\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810030928-68980d68870e0.png\" width=\"538\" \/><\/p>\n<h2>\u5b9a\u4e49\u6307\u9488<\/h2>\n<ul>\n<li>\n<p>\u6307\u9488\u5373\u6307\u9488\u53d8\u91cf&#xff0c;\u7528\u4e8e\u5b58\u653e\u5176\u4ed6\u6570\u636e\u5355\u5143(\u53d8\u91cf\/\u6570\u7ec4\/\u7ed3\u6784\u4f53\/\u51fd\u6570\u7b49)\u7684\u9996\u5730\u5740\u3002\u82e5\u6307\u9488\u5b58\u653e\u4e86\u67d0\u4e2a\u6570\u636e\u5355\u5143\u7684\u9996\u5730\u5740&#xff0c;\u5219\u8fd9\u4e2a\u6307\u9488\u6307\u5411\u4e86\u8fd9\u4e2a\u6570\u636e\u5355\u5143&#xff0c;\u82e5\u6307\u9488\u5b58\u653e\u7684\u503c\u662f\u96f6&#xff0c;\u5219\u8fd9\u4e2a\u6307\u9488\u4e3a\u7a7a\u6307\u9488<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u6307\u9488\u53d8\u91cf&#xff1a;<\/p>\n<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\" rowspan=\"1\">\n<p>\u6570\u636e\u7c7b\u578b<\/p>\n<\/td>\n<td colspan=\"2\" rowspan=\"1\">\n<p>\u6307\u5411\u8be5\u6570\u636e\u7c7b\u578b\u7684\u6307\u9488<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)char<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>1\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)char *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)short<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>2\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)short *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)int<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>4\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)int *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)long<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>4\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(unsigned)long *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>float<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>4\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>float *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>double<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>8\u5b57\u8282<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>double *<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>x\u5b57\u8282<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\n<p>16\u4f4d\u7cfb\u7edf&#xff1a;x &#061; 2&#xff0c;32\u4f4d\u7cfb\u7edf&#xff1a;x &#061; 4&#xff0c;64\u4f4d\u7cfb\u7edf&#xff1a;x &#061; 8<\/p>\n<\/li>\n<\/ul>\n<h2>\u6307\u9488\u7684\u64cd\u4f5c<\/h2>\n<ul>\n<li>\n<p>\u82e5\u5df2\u5b9a\u4e49&#xff1a;<\/p>\n<\/li>\n<\/ul>\n<p>int a;        \/\/\u5b9a\u4e49\u4e00\u4e2aint\u578b\u7684\u6570\u636e<br \/>\nint *p;       \/\/\u5b9a\u4e49\u4e00\u4e2a\u6307\u5411int\u578b\u6570\u636e\u7684\u6307\u9488<\/p>\n<p><span style=\"color:#fe2c24\">(&#034;&amp;&#034;\u7684\u8fd0\u7528)<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fd0\u7528<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89e3\u91ca<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(\u53d8\u91cfA)&amp;(\u53d8\u91cfB)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d8\u91cfB\u6309\u4f4d\u4e0e\u4e0a\u53d8\u91cfA<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>&amp;(\u53d8\u91cfA)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d6\u51fa\u53d8\u91cfA\u7684\u9996\u5730\u5740<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color:#fe2c24\">(&#034;*&#034;\u7684\u8fd0\u7528)<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fd0\u7528<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89e3\u91ca<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(\u53d8\u91cfA)*(\u53d8\u91cfB)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d8\u91cfA\u4e58\u4ee5\u53d8\u91cfB<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>(\u53d8\u91cf\u7c7b\u578b) *(\u53d8\u91cfA)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5b9a\u4e49\u6307\u9488A\u4e3a\u4e00\u4e2a\u53d8\u91cf\u7c7b\u578b<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>*(\u53d8\u91cfA)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d6\u51faA(\u6b64\u65f6\u7684A\u4e3a\u4e00\u4e2a\u53d8\u91cf\u7684\u9996\u5730\u5740)\u5b58\u50a8\u7684\u5185\u5bb9<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\n<p>\u5219\u5bf9\u6307\u9488p\u6709\u5982\u4e0b\u64cd\u4f5c\u65b9\u5f0f&#xff1a;<\/p>\n<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u64cd\u4f5c\u65b9\u5f0f<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e3e\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u89e3\u91ca<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d6\u5730\u5740<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>p &#061; &amp;a;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5c06\u6570\u636ea\u7684\u9996\u5730\u5740\u8d4b\u503c\u7ed9p<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d6\u5185\u5bb9<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>*p;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53d6\u51fa\u6307\u9488\u6307\u5411\u7684\u6570\u636e\u5355\u5143<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"2\">\n<p>\u52a0<\/p>\n<p>(\u4e00\u822c\u7528\u4e8e\u6570\u7ec4\/\u7ed3\u6784\u4f53)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>p&#043;&#043;;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u6307\u9488\u5411\u4e0b\u79fb\u52a81\u4e2a\u6570\u636e\u5bbd\u5ea6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>p&#061;p&#043;5;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u6307\u9488\u5411\u4e0b\u79fb\u52a85\u4e2a\u6570\u636e\u5bbd\u5ea6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"2\">\n<p>\u51cf<\/p>\n<p>(\u4e00\u822c\u7528\u4e8e\u6570\u7ec4\/\u7ed3\u6784\u4f53)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>p&#8211;;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u6307\u9488\u5411\u4e0a\u79fb\u52a81\u4e2a\u6570\u636e\u5bbd\u5ea6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>p&#061;p-5;<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u6307\u9488\u5411\u4e0a\u79fb\u52a85\u4e2a\u6570\u636e\u5bbd\u5ea6<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b&#xff1a;<\/p>\n<p>#include &lt;stdio.h&gt;<\/p>\n<p>int main(void)<br \/>\n{<br \/>\n    int a &#061; 0x66;<br \/>\n    int *p;<\/p>\n<p>    p&#061;&amp;a;<\/p>\n<p>    printf(&#034;x%\\\\n&#034;,a);<br \/>\n    printf(&#034;x%\\\\n&#034;,p);<br \/>\n    printf(&#034;x%\\\\n&#034;,*p);<\/p>\n<p>    p&#043;&#043;;<br \/>\n    printf(&#034;x%\\\\n&#034;,p);<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u5219\u8fd0\u884c\u7ed3\u679c\u4e3a&#xff1a;<\/p>\n<p>66<br \/>\n62fe44&#xff08;\u6b64\u5904\u4e3a\u8ba1\u7b97\u673a\u5206\u914d\u7684\u5185\u5b58\u5730\u5740&#xff09;<br \/>\n66<br \/>\n62fe48&#xff08;\u4e0e\u4e0a\u4e2a\u9996\u5730\u5740\u76f8\u5dee4\u4f4d\u7684\u539f\u56e0\u4e3aint\u578b\u53d8\u91cf\u5360\u56db\u4e2a\u5b57\u8282&#xff09;<\/p>\n<h2>\u6570\u7ec4\u4e0e\u6307\u9488<\/h2>\n<ul>\n<li>\n<p>\u6570\u7ec4\u662f\u4e00\u4e9b\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u53d8\u91cf\u7ec4\u6210\u7684\u96c6\u5408&#xff0c;\u5176\u6570\u7ec4\u540d\u5373\u4e3a\u6307\u5411\u8be5\u6570\u636e\u7c7b\u578b\u7684\u6307\u9488\u3002\u6570\u7ec4\u7684\u5b9a\u4e49\u7b49\u6548\u4e0e\u7533\u8bf7\u5185\u5b58\u3001\u5b9a\u4e49\u6307\u9488\u548c\u521d\u59cb\u5316<\/p>\n<\/li>\n<\/ul>\n<p>\u4f8b&#xff1a;char c[] &#061; {0x33,0x34,0x35};<\/p>\n<p>\u00a0\u00a0\u7b49\u6548\u4e8e&#xff1a;\u7533\u8bf7\u5185\u5b58\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49char *c &#061; 0x4000;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u521d\u59cb\u5316\u6570\u7ec4\u6570\u636e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"385\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810030929-68980d6905db3.png\" width=\"397\" \/><\/p>\n<ul>\n<li>\n<p>\u5229\u7528\u4e0b\u6807\u5f15\u7528\u6570\u7ec4\u6570\u636e\u4e5f\u7b49\u6548\u4e8e\u6307\u9488\u53d6\u5185\u5bb9<\/p>\n<\/li>\n<\/ul>\n<p>\u4f8b&#xff1a;c[0] &#061; *c;<\/p>\n<p>c[1] &#061; *(c&#043;1)<\/p>\n<p>c[2] &#061; *(c&#043;2)<\/p>\n<ul>\n<li>\n<p>\u6570\u7ec4\u5176\u5b9e\u5c31\u662f\u6307\u9488(\u6570\u7ec4\u53d6\u4e0b\u6807\u5176\u5b9e\u5c31\u662f\u6307\u9488\u53d6\u5185\u5bb9\u7684\u53e6\u4e00\u79cd\u5f62\u6001)&#xff0c;\u6362\u53e5\u8bdd\u8bf4\u5c31\u662f\u6570\u7ec4\u540d\u5c31\u662f\u8be5\u6570\u7ec4\u7684\u6307\u9488\u9996\u5730\u5740<\/p>\n<\/li>\n<\/ul>\n<p>\u4f8b&#xff1a;<\/p>\n<p>int main(void)<br \/>\n{<br \/>\n    char a[]&#061;{0x33,0x34,0x35};<br \/>\n    char *p;<\/p>\n<p>    p&#061;a;<\/p>\n<p>    printf(&#034;a[0]&#061;%x\\\\n&#034;,a[0]);<br \/>\n    printf(&#034;a[1]&#061;%x\\\\n&#034;,a[1]);<br \/>\n    printf(&#034;a[2]&#061;%x\\\\n&#034;,a[2]);<\/p>\n<p>    printf(&#034;*p&#061;%x\\\\n&#034;,*p);<br \/>\n    printf(&#034;*(p&#043;1)&#061;%x\\\\n&#034;,*(p&#043;1));<br \/>\n    printf(&#034;*(p&#043;2)&#061;%x\\\\n&#034;,*(p&#043;2));<\/p>\n<p>    printf(&#034;*a&#061;%x\\\\n&#034;,*a);<br \/>\n    printf(&#034;*(a&#043;1)&#061;%x\\\\n&#034;,*(a&#043;1));<br \/>\n    printf(&#034;*(a&#043;2)&#061;%x\\\\n&#034;,*(a&#043;2));<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a&#xff1a;<\/p>\n<p>a[0]&#061;33<br \/>\na[1]&#061;34<br \/>\na[2]&#061;35<br \/>\n*p&#061;33<br \/>\n*(p&#043;1)&#061;34<br \/>\n*(p&#043;2)&#061;35<br \/>\n*a&#061;33<br \/>\n*(a&#043;1)&#061;34<br \/>\n*(a&#043;2)&#061;35<\/p>\n<ul>\n<li>\n<p>\u5730\u5740\u52a0\u4e00\u5b9e\u9645\u662f\u6839\u636e\u5b9a\u4e49\u7c7b\u578b\u51b3\u5b9a\u7684<\/p>\n<\/li>\n<\/ul>\n<p>\u5982&#xff1a;<\/p>\n<p>char *p;<\/p>\n<p>p\u7684\u5730\u5740\u4e3a0x4000&#xff0c;\u7531\u4e8echar\u7c7b\u578b\u957f\u5ea6\u4e3a1\u4f4d&#xff0c;\u90a3\u4e48(p&#043;1)\u7684\u5730\u5740\u4e3a0x4001<\/p>\n<p>\u5982\u679c\u662fint *p;<\/p>\n<p>\u540c\u6837p\u7684\u5730\u5740\u4e3a0x4000&#xff0c;\u7531\u4e8eint\u7c7b\u578b\u957f\u5ea6\u4e3a4\u4f4d&#xff0c;\u90a3\u4e48(p&#043;1)\u7684\u5730\u5740\u4e3a0x4004<\/p>\n<h2>\u6ce8\u610f\u4e8b\u9879<\/h2>\n<ul>\n<li>\n<p>\u5728\u5bf9\u6307\u9488\u53d6\u5185\u5bb9\u4e4b\u524d&#xff0c;\u4e00\u5b9a\u8981\u786e\u4fdd\u6307\u9488\u6307\u5728\u4e86\u5408\u6cd5\u7684\u4f4d\u7f6e&#xff0c;\u5426\u5219\u5c06\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u51fa\u73b0\u4e0d\u53ef\u9884\u77e5\u7684\u9519\u8bef<\/p>\n<\/li>\n<li>\n<p>\u540c\u7ea7\u6307\u9488\u4e4b\u95f4\u624d\u80fd\u76f8\u4e92\u8d4b\u503c&#xff0c;\u8de8\u7ea7\u8d4b\u503c\u5c06\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u5668\u62a5\u9519\u6216\u8b66\u544a<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"140\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810030929-68980d693b3a8.png\" width=\"1060\" 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property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6307\u9488\u8be6\u7ec6\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" 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