{"id":49514,"date":"2025-07-30T18:44:50","date_gmt":"2025-07-30T10:44:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/49514.html"},"modified":"2025-07-30T18:44:50","modified_gmt":"2025-07-30T10:44:50","slug":"%e4%b8%a4%e4%b8%aa%e7%a8%8b%e5%ba%8f%e9%85%8d%e5%90%88%e5%ae%9e%e7%8e%b0%e4%ba%86%e5%9f%ba%e4%ba%8e%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98%e5%92%8c%e4%bf%a1%e5%8f%b7%e9%87%8f%e7%9a%84%e8%bf%9b%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/49514.html","title":{"rendered":"\u4e24\u4e2a\u7a0b\u5e8f\u914d\u5408\u5b9e\u73b0\u4e86\u57fa\u4e8e\u5171\u4eab\u5185\u5b58\u548c\u4fe1\u53f7\u91cf\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u5177\u4f53\u8bf4\u660e\u5982\u4e0b\uff1a"},"content":{"rendered":"<h4>\u7b2c\u4e00\u4e2a\u7a0b\u5e8f&#xff1a;\u5171\u4eab\u5185\u5b58\u8bfb\u53d6\u7a0b\u5e8f&#xff08;\u6d88\u8d39\u8005&#xff09;<\/h4>\n<p>\u8be5\u7a0b\u5e8f\u4f5c\u4e3a\u6d88\u8d39\u8005&#xff0c;\u4ece\u5171\u4eab\u5185\u5b58\u4e2d\u8bfb\u53d6\u6570\u636e&#xff0c;\u901a\u8fc7\u4fe1\u53f7\u91cf\u4fdd\u8bc1\u53ea\u6709\u5f53\u751f\u4ea7\u8005\u5199\u5165\u6570\u636e\u540e\u624d\u80fd\u8bfb\u53d6\u3002<\/p>\n<p>\/*4 &#8211; \u8bfb\u5171\u4eab\u5185\u5b58*\/<br \/>\n#include&lt;stdio.h&gt;                  \/\/ \u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5e93<br \/>\n#include&lt;stdlib.h&gt;                 \/\/ \u6807\u51c6\u5e93&#xff0c;\u5305\u542bexit\u7b49\u51fd\u6570<br \/>\n#include&lt;unistd.h&gt;                 \/\/ \u5305\u542bUNIX\u7cfb\u7edf\u8c03\u7528&#xff0c;\u5982sleep<br \/>\n#include &lt;sys\/types.h&gt;             \/\/ \u5b9a\u4e49\u7cfb\u7edf\u6570\u636e\u7c7b\u578b<br \/>\n#include &lt;sys\/ipc.h&gt;               \/\/ \u5305\u542bIPC&#xff08;\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff09;\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<br \/>\n#include &lt;sys\/shm.h&gt;               \/\/ \u5171\u4eab\u5185\u5b58\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<br \/>\n#include &lt;sys\/sem.h&gt;               \/\/ \u4fe1\u53f7\u91cf\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<br \/>\n#include &lt;string.h&gt;                \/\/ \u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u5e93<\/p>\n<p>int main()<br \/>\n{<br \/>\n    \/\/1\u3001\u786e\u5b9a \u6587\u4ef6\u8def\u5f84\u540d &#8212;\u83b7\u53d6\u6d88\u606f\u961f\u5217\u7684key\u503c<br \/>\n    key_t key &#061; ftok(&#034;.&#034;, &#039;a&#039;);    \/\/ \u7528\u5f53\u524d\u76ee\u5f55\u548c\u5b57\u7b26&#039;a&#039;\u751f\u6210\u552f\u4e00key\u503c&#xff0c;\u7528\u4e8e\u6807\u8bc6\u5171\u4eab\u5185\u5b58\u548c\u4fe1\u53f7\u91cf<br \/>\n    if(key &#061;&#061; -1){                 \/\/ \u68c0\u67e5ftok\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;ftok error&#034;);      \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        return -1;                 \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/2\u3001\u6839\u636ekey\u503c \u83b7\u53d6\u5171\u4eab\u5185\u5b58\u7684ID&#xff0c;\u5982\u679c\u5171\u4eab\u5185\u5b58\u4e0d\u5b58\u5728\u5219\u521b\u5efa<br \/>\n    \/\/ IPC_CREAT\u8868\u793a\u4e0d\u5b58\u5728\u5219\u521b\u5efa&#xff0c;0666\u8868\u793a\u6743\u9650&#xff08;\u6240\u6709\u8005\u3001\u7ec4\u3001\u5176\u4ed6\u7528\u6237\u90fd\u53ef\u8bfb\u5199&#xff09;<br \/>\n    int shmid &#061; shmget(key,100,IPC_CREAT|0666);<br \/>\n    if(shmid&#061;&#061;-1){                 \/\/ \u68c0\u67e5shmget\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;shmget&#034;);          \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/\u6839\u636ekey\u521b\u5efa\/\u83b7\u53d6\u4fe1\u53f7\u91cf\u96c6&#xff0c;\u521b\u5efa1\u4e2a\u4fe1\u53f7\u91cf<br \/>\n    int semid &#061; semget(key,1,IPC_CREAT|0666);<br \/>\n    if(semid&#061;&#061;-1){                 \/\/ \u68c0\u67e5semget\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;semget&#034;);          \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/3.\u6620\u5c04\u5171\u4eab\u5185\u5b58\u5230\u5f53\u524d\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u7b2c\u4e8c\u4e2a\u53c2\u65700\u8868\u793a\u7531\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u5730\u5740<br \/>\n    void *p &#061; shmat(shmid,0,0);<br \/>\n    if(p&#061;&#061;(void *)-1){             \/\/ \u68c0\u67e5shmat\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;shmat&#034;);           \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/4.\u4f7f\u7528\u5171\u4eab\u5185\u5b58&#xff08;\u6d88\u8d39\u8005\u903b\u8f91&#xff09;<br \/>\n    struct sembuf buf;             \/\/ \u5b9a\u4e49\u4fe1\u53f7\u91cf\u64cd\u4f5c\u7ed3\u6784\u4f53<br \/>\n    while(1){                      \/\/ \u65e0\u9650\u5faa\u73af&#xff0c;\u6301\u7eed\u8bfb\u53d6\u6570\u636e<br \/>\n        buf.sem_num &#061; 0;           \/\/ \u64cd\u4f5c\u7b2c0\u4e2a\u4fe1\u53f7\u91cf&#xff08;\u4fe1\u53f7\u91cf\u96c6\u7d22\u5f15&#xff09;<br \/>\n        buf.sem_op &#061; -1;           \/\/ \u6267\u884cP\u64cd\u4f5c&#xff08;\u7533\u8bf7\u8d44\u6e90&#xff0c;\u4fe1\u53f7\u91cf\u503c\u51cf1&#xff09;<br \/>\n        buf.sem_flg &#061; 0;           \/\/ 0\u8868\u793a\u963b\u585e\u6a21\u5f0f&#xff0c;\u82e5\u8d44\u6e90\u4e0d\u53ef\u7528\u5219\u7b49\u5f85<br \/>\n        semop(semid,&amp;buf,1);       \/\/ \u6267\u884c\u4fe1\u53f7\u91cf\u64cd\u4f5c<\/p>\n<p>        printf(&#034;data &#061; %d\\\\n&#034;,*(int *)p);  \/\/ \u4ece\u5171\u4eab\u5185\u5b58\u8bfb\u53d6\u6574\u6570\u5e76\u6253\u5370<br \/>\n    }<\/p>\n<p>    \/\/5.\u4e0d\u518d\u4f7f\u7528\u53ef\u4ee5\u89e3\u9664\u6620\u5c04&#xff08;\u5b9e\u9645\u4e0d\u4f1a\u6267\u884c&#xff0c;\u56e0\u4e3a\u4e0a\u9762\u662f\u65e0\u9650\u5faa\u73af&#xff09;<br \/>\n    shmdt(p);<\/p>\n<p>    \/\/6.\u4e0d\u518d\u9700\u8981\u53ef\u4ee5\u5220\u9664\u5171\u4eab\u5185\u5b58&#xff08;\u6ce8\u91ca\u6389\u8868\u793a\u4e0d\u81ea\u52a8\u5220\u9664&#xff09;<br \/>\n    \/\/shmctl(shmid,IPC_RMID,0);<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4>\u7b2c\u4e8c\u4e2a\u7a0b\u5e8f&#xff1a;\u5171\u4eab\u5185\u5b58\u5199\u5165\u7a0b\u5e8f&#xff08;\u751f\u4ea7\u8005&#xff09;<\/h4>\n<p>\u8be5\u7a0b\u5e8f\u4f5c\u4e3a\u751f\u4ea7\u8005&#xff0c;\u5411\u5171\u4eab\u5185\u5b58\u4e2d\u5199\u5165\u6570\u636e&#xff0c;\u901a\u8fc7\u4fe1\u53f7\u91cf\u901a\u77e5\u6d88\u8d39\u8005\u53ef\u4ee5\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n<p>\/*5 &#8211; \u4fe1\u53f7\u91cf\u96c6\u4fdd\u62a4\u5171\u4eab\u5185\u5b58*\/<br \/>\n#include&lt;stdio.h&gt;                  \/\/ \u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5e93<br \/>\n#include&lt;stdlib.h&gt;                 \/\/ \u6807\u51c6\u5e93&#xff0c;\u5305\u542bexit\u7b49\u51fd\u6570<br \/>\n#include&lt;unistd.h&gt;                 \/\/ \u5305\u542bUNIX\u7cfb\u7edf\u8c03\u7528&#xff0c;\u5982sleep<br \/>\n#include &lt;sys\/types.h&gt;             \/\/ \u5b9a\u4e49\u7cfb\u7edf\u6570\u636e\u7c7b\u578b<br \/>\n#include &lt;sys\/ipc.h&gt;               \/\/ \u5305\u542bIPC&#xff08;\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff09;\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<br \/>\n#include &lt;sys\/shm.h&gt;               \/\/ \u5171\u4eab\u5185\u5b58\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<br \/>\n#include &lt;string.h&gt;                \/\/ \u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u5e93<br \/>\n#include &lt;sys\/sem.h&gt;               \/\/ \u4fe1\u53f7\u91cf\u76f8\u5173\u51fd\u6570\u5b9a\u4e49<\/p>\n<p>int main()<br \/>\n{<br \/>\n    \/\/1\u3001\u786e\u5b9a \u6587\u4ef6\u8def\u5f84\u540d &#8212;\u83b7\u53d6\u6d88\u606f\u961f\u5217\u7684key\u503c<br \/>\n    key_t key &#061; ftok(&#034;.&#034;, &#039;a&#039;);    \/\/ \u7528\u5f53\u524d\u76ee\u5f55\u548c\u5b57\u7b26&#039;a&#039;\u751f\u6210\u552f\u4e00key\u503c&#xff0c;\u4e0e\u6d88\u8d39\u8005\u4fdd\u6301\u4e00\u81f4<br \/>\n    if(key &#061;&#061; -1){                 \/\/ \u68c0\u67e5ftok\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;ftok error&#034;);      \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        return -1;                 \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/2\u3001\u6839\u636ekey\u503c \u83b7\u53d6\u5171\u4eab\u5185\u5b58\u7684ID&#xff0c;\u5982\u679c\u5171\u4eab\u5185\u5b58\u4e0d\u5b58\u5728\u5219\u521b\u5efa<br \/>\n    \/\/ IPC_CREAT\u8868\u793a\u4e0d\u5b58\u5728\u5219\u521b\u5efa&#xff0c;0666\u8868\u793a\u6743\u9650&#xff08;\u6240\u6709\u8005\u3001\u7ec4\u3001\u5176\u4ed6\u7528\u6237\u90fd\u53ef\u8bfb\u5199&#xff09;<br \/>\n    int shmid &#061; shmget(key,100,IPC_CREAT|0666);<br \/>\n    if(shmid&#061;&#061;-1){                 \/\/ \u68c0\u67e5shmget\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;shmget&#034;);          \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/\u6839\u636ekey\u521b\u5efa\/\u83b7\u53d6\u4fe1\u53f7\u91cf\u96c6&#xff0c;\u521b\u5efa1\u4e2a\u4fe1\u53f7\u91cf<br \/>\n    int semid &#061; semget(key,1,IPC_CREAT|0666);<br \/>\n    if(semid&#061;&#061;-1){                 \/\/ \u68c0\u67e5semget\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;semget&#034;);          \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    \/\/\u8bbe\u7f6e\u4fe1\u53f7\u91cf\u7684\u521d\u59cb\u503c\u4e3a0&#xff08;\u7528\u4e8e\u540c\u6b65&#xff0c;\u521d\u59cb\u72b6\u6001\u4e0b\u6ca1\u6709\u6570\u636e\u53ef\u8bfb&#xff09;<br \/>\n    semctl(semid,0,SETVAL,0);<\/p>\n<p>    \/\/3.\u6620\u5c04\u5171\u4eab\u5185\u5b58\u5230\u5f53\u524d\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u7b2c\u4e8c\u4e2a\u53c2\u65700\u8868\u793a\u7531\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u5730\u5740<br \/>\n    void *p &#061; shmat(shmid,0,0);<br \/>\n    if(p&#061;&#061;(void *)-1){             \/\/ \u68c0\u67e5shmat\u51fd\u6570\u8c03\u7528\u662f\u5426\u5931\u8d25<br \/>\n        perror(&#034;shmat&#034;);           \/\/ \u8f93\u51fa\u9519\u8bef\u4fe1\u606f<br \/>\n        exit(-1);                  \/\/ \u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa<br \/>\n    }<\/p>\n<p>    struct sembuf buf;             \/\/ \u5b9a\u4e49\u4fe1\u53f7\u91cf\u64cd\u4f5c\u7ed3\u6784\u4f53<br \/>\n    \/\/\u751f\u4ea7\u8005\u903b\u8f91<br \/>\n    while(1){                      \/\/ \u65e0\u9650\u5faa\u73af&#xff0c;\u6301\u7eed\u5199\u5165\u6570\u636e<br \/>\n        printf(&#034;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570:&#034;);  \/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165<br \/>\n        scanf(&#034;%d&#034;,(int *)p);      \/\/ \u5c06\u7528\u6237\u8f93\u5165\u7684\u6574\u6570\u5199\u5165\u5171\u4eab\u5185\u5b58<\/p>\n<p>        buf.sem_num &#061; 0;           \/\/ \u64cd\u4f5c\u7b2c0\u4e2a\u4fe1\u53f7\u91cf&#xff08;\u4fe1\u53f7\u91cf\u96c6\u7d22\u5f15&#xff09;<br \/>\n        buf.sem_op &#061; 1;            \/\/ \u6267\u884cV\u64cd\u4f5c&#xff08;\u91ca\u653e\u8d44\u6e90&#xff0c;\u4fe1\u53f7\u91cf\u503c\u52a01&#xff09;<br \/>\n        buf.sem_flg &#061; 0;           \/\/ 0\u8868\u793a\u963b\u585e\u6a21\u5f0f<br \/>\n        semop(semid,&amp;buf,1);       \/\/ \u6267\u884c\u4fe1\u53f7\u91cf\u64cd\u4f5c&#xff0c;\u901a\u77e5\u6d88\u8d39\u8005\u6709\u65b0\u6570\u636e<br \/>\n    }<\/p>\n<p>    \/\/5.\u4e0d\u518d\u4f7f\u7528\u53ef\u4ee5\u89e3\u9664\u6620\u5c04&#xff08;\u5b9e\u9645\u4e0d\u4f1a\u6267\u884c&#xff0c;\u56e0\u4e3a\u4e0a\u9762\u662f\u65e0\u9650\u5faa\u73af&#xff09;<br \/>\n    shmdt(p);<\/p>\n<p>    \/\/6.\u4e0d\u518d\u9700\u8981\u53ef\u4ee5\u5220\u9664\u5171\u4eab\u5185\u5b58&#xff08;\u6ce8\u91ca\u6389\u8868\u793a\u4e0d\u81ea\u52a8\u5220\u9664&#xff09;<br \/>\n    \/\/shmctl(shmid,IPC_RMID,0);<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4>\u4e24\u4e2a\u7a0b\u5e8f\u7684\u6574\u4f53\u4f5c\u7528<\/h4>\n<p>\u8fd9\u4e24\u4e2a\u7a0b\u5e8f\u914d\u5408\u5b9e\u73b0\u4e86\u57fa\u4e8e\u5171\u4eab\u5185\u5b58\u548c\u4fe1\u53f7\u91cf\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff0c;\u5177\u4f53\u8bf4\u660e\u5982\u4e0b&#xff1a;<\/p>\n<\/p>\n<li>\n<p>\u6838\u5fc3\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u751f\u4ea7\u8005\u7a0b\u5e8f&#xff08;\u7b2c\u4e8c\u4e2a&#xff09;\u4ece\u7528\u6237\u8f93\u5165\u83b7\u53d6\u6574\u6570&#xff0c;\u5199\u5165\u5171\u4eab\u5185\u5b58&#xff0c;\u5e76\u901a\u8fc7\u4fe1\u53f7\u91cf\u901a\u77e5\u6d88\u8d39\u8005\u3002<\/li>\n<li>\u6d88\u8d39\u8005\u7a0b\u5e8f&#xff08;\u7b2c\u4e00\u4e2a&#xff09;\u901a\u8fc7\u4fe1\u53f7\u91cf\u7b49\u5f85&#xff0c;\u5f53\u68c0\u6d4b\u5230\u751f\u4ea7\u8005\u5199\u5165\u6570\u636e\u540e&#xff0c;\u4ece\u5171\u4eab\u5185\u5b58\u8bfb\u53d6\u5e76\u6253\u5370\u8be5\u6574\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4fe1\u53f7\u91cf\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u73b0\u4e86\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u7684\u540c\u6b65&#xff1a;\u6d88\u8d39\u8005\u5fc5\u987b\u7b49\u5f85\u751f\u4ea7\u8005\u5199\u5165\u6570\u636e\u540e\u624d\u80fd\u8bfb\u53d6&#xff0c;\u907f\u514d\u8bfb\u53d6\u5230\u7a7a\u6570\u636e\u6216\u65e7\u6570\u636e\u3002<\/li>\n<li>\u4fe1\u53f7\u91cf\u521d\u59cb\u503c\u4e3a 0&#xff0c;\u751f\u4ea7\u8005\u5199\u5165\u6570\u636e\u540e\u6267\u884c V \u64cd\u4f5c&#xff08;\u503c &#043; 1&#xff09;&#xff0c;\u6d88\u8d39\u8005\u8bfb\u53d6\u524d\u6267\u884c P \u64cd\u4f5c&#xff08;\u503c &#8211; 1&#xff09;&#xff0c;\u786e\u4fdd\u6570\u636e\u8bfb\u5199\u987a\u5e8f\u6b63\u786e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5171\u4eab\u5185\u5b58\u7684\u4f5c\u7528&#xff1a;<br \/>\n\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e24\u4e2a\u8fdb\u7a0b\u90fd\u80fd\u8bbf\u95ee\u7684\u5185\u5b58\u533a\u57df&#xff0c;\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u9012&#xff08;\u76f8\u6bd4\u7ba1\u9053\u7b49\u65b9\u5f0f&#xff0c;\u5171\u4eab\u5185\u5b58\u65e0\u9700\u6570\u636e\u62f7\u8d1d&#xff0c;\u901f\u5ea6\u66f4\u5feb&#xff09;\u3002<\/p>\n<\/li>\n<p>\u901a\u8fc7\u8fd9\u79cd\u673a\u5236&#xff0c;\u4e24\u4e2a\u72ec\u7acb\u8fdb\u7a0b\u53ef\u4ee5\u5b89\u5168\u3001\u6709\u5e8f\u5730\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n<\/p>\n<hr \/>\n<p>\u5982\u679c\u6ca1\u6709 PV \u64cd\u4f5c&#xff08;\u6216\u7c7b\u4f3c\u7684\u540c\u6b65\u4e92\u65a5\u673a\u5236&#xff09;&#xff0c;\u5728\u591a\u4efb\u52a1 \/ \u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u4f1a\u51fa\u73b0\u4e00\u7cfb\u5217\u4e25\u91cd\u95ee\u9898&#xff0c;\u6838\u5fc3\u662f\u5171\u4eab\u8d44\u6e90\u8bbf\u95ee\u51b2\u7a81\u548c\u4efb\u52a1\u6267\u884c\u987a\u5e8f\u6df7\u4e71&#xff0c;\u5177\u4f53\u8868\u73b0\u5982\u4e0b&#xff1a;<\/p>\n<h4>1. \u5171\u4eab\u8d44\u6e90 \u201c\u4e89\u62a2\u201d \u5bfc\u81f4\u6570\u636e\u6df7\u4e71&#xff08;\u4e92\u65a5\u95ee\u9898&#xff09;<\/h4>\n<p>\u5047\u8bbe\u6709\u4e24\u4e2a\u4efb\u52a1\u540c\u65f6\u64cd\u4f5c\u4e00\u4e2a\u5171\u4eab\u53d8\u91cf&#xff08;\u6bd4\u5982\u94f6\u884c\u8d26\u6237\u4f59\u989d&#xff09;&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u4efb\u52a1 A \u8981\u7ed9\u8d26\u6237\u52a0 100 \u5143&#xff0c;\u8bfb\u53d6\u5f53\u524d\u4f59\u989d\u4e3a 500 \u5143&#xff0c;\u51c6\u5907\u8ba1\u7b97\u6210 600 \u5143&#xff1b;<\/li>\n<li>\u6b64\u65f6\u4efb\u52a1 B \u7a81\u7136\u4ecb\u5165&#xff0c;\u8bfb\u53d6\u4f59\u989d\u8fd8\u662f 500 \u5143&#xff0c;\u51cf\u53bb 50 \u5143&#xff08;\u8ba1\u7b97\u6210 450 \u5143&#xff09;\u5e76\u5199\u5165&#xff1b;<\/li>\n<li>\u4efb\u52a1 A \u63a5\u7740\u6267\u884c&#xff0c;\u628a\u81ea\u5df1\u8ba1\u7b97\u7684 600 \u5143\u5199\u5165\u3002<\/li>\n<\/ul>\n<p>\u6700\u7ec8\u4f59\u989d\u53d8\u6210 600 \u5143&#xff08;\u6b63\u786e\u7ed3\u679c\u5e94\u4e3a 500&#043;100-50&#061;550 \u5143&#xff09;&#xff0c;\u6570\u636e\u88ab\u7834\u574f\u3002<\/p>\n<\/p>\n<p>\u6ca1\u6709 PV \u64cd\u4f5c\u65f6&#xff0c;\u591a\u4e2a\u4efb\u52a1\u4f1a \u201c\u540c\u65f6\u201d \u62a2\u5360\u5171\u4eab\u8d44\u6e90&#xff0c;\u5bfc\u81f4\u64cd\u4f5c\u4ea4\u53c9\u8986\u76d6&#xff0c;\u7ed3\u679c\u9519\u8bef\u3002<\/p>\n<h4>2. \u4efb\u52a1\u6267\u884c\u987a\u5e8f\u5931\u63a7&#xff08;\u540c\u6b65\u95ee\u9898&#xff09;<\/h4>\n<p>\u6bd4\u5982\u4efb\u52a1 A \u8d1f\u8d23\u91c7\u96c6\u4f20\u611f\u5668\u6570\u636e&#xff0c;\u4efb\u52a1 B \u8d1f\u8d23\u5904\u7406\u6570\u636e&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u4efb\u52a1 B \u53ef\u80fd\u5728\u4efb\u52a1 A \u8fd8\u6ca1\u91c7\u96c6\u5230\u6570\u636e\u65f6\u5c31\u5f00\u59cb\u5904\u7406&#xff0c;\u5bfc\u81f4\u5904\u7406 \u201c\u7a7a\u6570\u636e\u201d&#xff1b;<\/li>\n<li>\u4efb\u52a1 A \u53ef\u80fd\u8fde\u7eed\u91c7\u96c6\u4e86\u591a\u7ec4\u6570\u636e&#xff0c;\u4f46\u4efb\u52a1 B \u53ea\u5904\u7406\u4e86\u5176\u4e2d\u4e00\u90e8\u5206&#xff0c;\u5bfc\u81f4\u6570\u636e\u79ef\u538b\u6216\u4e22\u5931\u3002<\/li>\n<\/ul>\n<p>\u6ca1\u6709 PV \u64cd\u4f5c\u65f6&#xff0c;\u4efb\u52a1\u95f4\u7f3a\u4e4f \u201c\u7b49\u5f85 &#8211; \u901a\u77e5\u201d \u673a\u5236&#xff0c;\u65e0\u6cd5\u6309\u903b\u8f91\u987a\u5e8f\u6267\u884c&#xff0c;\u7cfb\u7edf\u529f\u80fd\u7d0a\u4e71\u3002<\/p>\n<h4>3. \u7cfb\u7edf\u9677\u5165 \u201c\u6b7b\u9501\u201d \u6216 \u201c\u9965\u997f\u201d<\/h4>\n<ul>\n<li>\u6b7b\u9501&#xff1a;\u4e24\u4e2a\u4efb\u52a1\u5206\u522b\u5360\u7528\u5bf9\u65b9\u9700\u8981\u7684\u8d44\u6e90&#xff0c;\u4e14\u90fd\u4e0d\u91ca\u653e&#xff0c;\u4e92\u76f8\u7b49\u5f85\u5bf9\u65b9\u653e\u624b&#xff0c;\u5bfc\u81f4\u7cfb\u7edf\u5361\u6b7b\u3002\u4f8b\u5982&#xff1a;\u4efb\u52a1 A \u5360\u7528\u6253\u5370\u673a&#xff0c;\u7b49\u5f85\u626b\u63cf\u4eea&#xff1b;\u4efb\u52a1 B \u5360\u7528\u626b\u63cf\u4eea&#xff0c;\u7b49\u5f85\u6253\u5370\u673a&#xff0c;\u4e24\u8005\u6c38\u8fdc\u50f5\u6301\u3002<\/li>\n<li>\u9965\u997f&#xff1a;\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u6301\u7eed\u62a2\u5360\u8d44\u6e90&#xff0c;\u4f4e\u4f18\u5148\u7ea7\u4efb\u52a1\u6c38\u8fdc\u5f97\u4e0d\u5230\u6267\u884c\u673a\u4f1a&#xff08;\u6bd4\u5982\u4e00\u4e2a\u540e\u53f0\u7edf\u8ba1\u4efb\u52a1\u59cb\u7ec8\u65e0\u6cd5\u8fd0\u884c&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u6ca1\u6709 PV \u64cd\u4f5c\u65f6&#xff0c;\u65e0\u6cd5\u5408\u7406\u5206\u914d\u8d44\u6e90\u4f7f\u7528\u6743&#xff0c;\u5bb9\u6613\u51fa\u73b0\u8fd9\u7c7b\u6781\u7aef\u95ee\u9898\u3002<\/p>\n<h4>4. \u5b9e\u65f6\u7cfb\u7edf\u5931\u53bb \u201c\u5b9e\u65f6\u6027\u201d<\/h4>\n<p>\u5728\u5b9e\u65f6\u7cfb\u7edf&#xff08;\u5982\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u9a7e\u9a76&#xff09;\u4e2d&#xff0c;\u4efb\u52a1\u5fc5\u987b\u5728\u4e25\u683c\u65f6\u95f4\u5185\u54cd\u5e94\u3002<\/p>\n<\/p>\n<ul>\n<li>\u82e5\u591a\u4e2a\u4efb\u52a1\u65e0\u5e8f\u4e89\u62a2 CPU \u6216\u5916\u8bbe&#xff0c;\u5173\u952e\u4efb\u52a1&#xff08;\u5982\u7d27\u6025\u5239\u8f66\u63a7\u5236&#xff09;\u53ef\u80fd\u88ab\u4f4e\u4f18\u5148\u7ea7\u4efb\u52a1\u6253\u65ad&#xff0c;\u5bfc\u81f4\u54cd\u5e94\u8d85\u65f6&#xff0c;\u5f15\u53d1\u5b89\u5168\u4e8b\u6545\u3002<\/li>\n<\/ul>\n<p>\u6ca1\u6709 PV \u64cd\u4f5c\u65f6&#xff0c;\u65e0\u6cd5\u4fdd\u8bc1\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u7684\u4f18\u5148\u6267\u884c\u6743&#xff0c;\u5b9e\u65f6\u6027\u65e0\u4ece\u8c08\u8d77\u3002<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<p>PV \u64cd\u4f5c&#xff08;\u53ca\u4fe1\u53f7\u91cf\u673a\u5236&#xff09;\u662f\u591a\u4efb\u52a1\u7cfb\u7edf\u7684 \u201c\u4ea4\u901a\u89c4\u5219\u201d&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\u6ca1\u6709\u89c4\u5219&#xff0c;\u8f66\u8f86&#xff08;\u4efb\u52a1&#xff09;\u4f1a\u4e71\u62a2\u8f66\u9053&#xff08;\u8d44\u6e90&#xff09;&#xff0c;\u5bfc\u81f4\u649e\u8f66&#xff08;\u6570\u636e\u9519\u8bef&#xff09;\u3001\u5835\u8f66&#xff08;\u6b7b\u9501&#xff09;\u3001\u7d27\u6025\u8f66\u8f86\u88ab\u5835&#xff08;\u5b9e\u65f6\u6027\u5931\u6548&#xff09;\u3002<\/li>\n<li>\u56e0\u6b64&#xff0c;\u4efb\u4f55\u652f\u6301\u591a\u4efb\u52a1\u7684\u7cfb\u7edf&#xff08;\u5982 \u03bcC\/OS\u3001Linux \u5185\u6838&#xff09;\u90fd\u5fc5\u987b\u6709\u7c7b\u4f3c PV \u64cd\u4f5c\u7684\u540c\u6b65\u4e92\u65a5\u673a\u5236&#xff0c;\u5426\u5219\u6839\u672c\u65e0\u6cd5\u7a33\u5b9a\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>P \u548c V \u662f\u8377\u5170\u8bed \u201cProberen\u201d \u548c \u201cVerhogen\u201d \u7684\u7f29\u5199&#xff09;\u3002\u5728\u64cd\u4f5c\u7cfb\u7edf\u548c\u591a\u4efb\u52a1\u7f16\u7a0b\u4e2d&#xff0c;PV \u64cd\u4f5c\u662f\u914d\u5408\u4fe1\u53f7\u91cf\u4f7f\u7528\u7684\u4e00\u7ec4\u539f\u5b50\u64cd\u4f5c&#xff0c;\u4e3b\u8981\u4f5c\u7528\u662f\u5b9e\u73b0\u4efb\u52a1\u95f4\u7684\u540c\u6b65\u4e0e\u4e92\u65a5&#xff0c;\u786e\u4fdd\u5171\u4eab\u8d44\u6e90\u7684\u5b89\u5168\u8bbf\u95ee\u3002<\/p>\n<h4>\u5177\u4f53\u4f5c\u7528\u53ef\u4ee5\u7528\u4e24\u4e2a\u751f\u6d3b\u573a\u666f\u7406\u89e3&#xff1a;<\/h4>\n<h5>1. \u5b9e\u73b0 \u201c\u4e92\u65a5\u201d&#xff1a;\u9632\u6b62\u591a\u4e2a\u4efb\u52a1\u540c\u65f6\u64cd\u4f5c\u5171\u4eab\u8d44\u6e90<\/h5>\n<p>\u6bd4\u5982\u591a\u4e2a\u4efb\u52a1\u9700\u8981\u4f7f\u7528\u540c\u4e00\u4e2a\u6253\u5370\u673a&#xff08;\u5171\u4eab\u8d44\u6e90&#xff09;&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>P \u64cd\u4f5c&#xff1a;\u76f8\u5f53\u4e8e \u201c\u7533\u8bf7\u4f7f\u7528\u6253\u5370\u673a\u201d\u3002\u5982\u679c\u6253\u5370\u673a\u7a7a\u95f2&#xff08;\u4fe1\u53f7\u91cf &gt; 0&#xff09;&#xff0c;\u4efb\u52a1\u5360\u7528\u5b83&#xff1b;\u5982\u679c\u88ab\u5360\u7528&#xff08;\u4fe1\u53f7\u91cf &#061; 0&#xff09;&#xff0c;\u4efb\u52a1\u5c31\u6392\u961f\u7b49\u5f85&#xff0c;\u4e0d\u80fd\u5f3a\u884c\u4f7f\u7528\u3002<\/li>\n<li>V \u64cd\u4f5c&#xff1a;\u76f8\u5f53\u4e8e \u201c\u7528\u5b8c\u6253\u5370\u673a\u5f52\u8fd8\u201d\u3002\u91ca\u653e\u6253\u5370\u673a\u540e&#xff0c;\u901a\u77e5\u6392\u961f\u7684\u4efb\u52a1 \u201c\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528\u4e86\u201d\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7 PV 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