redis 实例

#include <stdio.h>#include <stdlib.h>#include <stddef.h>#include <stdarg.h>#include <string.h>#include <assert.h>#include <hiredis/hiredis.h>void doTest() {    //redis默认监听端口为6387，可以在配置文件中修改    redisContext* c = redisConnect("127.0.0.1", 6379);    if ( c->err)    {        redisFree(c);        printf("Connect to redisServer faile\n");        return ;    }     printf("Connect to redisServer Success\n");    const char* command1 = "set key1 value1";    redisReply* r = (redisReply*)redisCommand(c, command1);    if( NULL == r) {        printf("Execut command1 failure\n");        redisFree(c);        return;    }     if( !(r->type == REDIS_REPLY_STATUS && strcasecmp(r->str,"OK")==0)) {        printf("Failed to execute command[%s]\n",command1);        freeReplyObject(r);        redisFree(c);        return;    }     freeReplyObject(r);    printf("Succeed to execute command[%s]\n", command1);    const char* command2 = "strlen key1";    r = (redisReply*)redisCommand(c, command2);    if ( r->type != REDIS_REPLY_INTEGER) {        printf("Failed to execute command[%s]\n",command2);        freeReplyObject(r);        redisFree(c);        return;    }     intlength= r->integer;    freeReplyObject(r);    printf("The length of 'key1' is %d.\n", length);    printf("Succeed to execute command[%s]\n", command2);    const char* command3 = "get key1";    r = (redisReply*)redisCommand(c, command3);    if ( r->type != REDIS_REPLY_STRING)    {        printf("Failed to execute command[%s]\n",command3);        freeReplyObject(r);        redisFree(c);        return;    }     printf("The value of 'key1' is %s\n", r->str);    freeReplyObject(r);    printf("Succeed to execute command[%s]\n", command3);    const char* command4 = "get key2";    r = (redisReply*)redisCommand(c, command4);    if ( r->type != REDIS_REPLY_NIL)    {        printf("Failed to execute command[%s]\n",command4);        freeReplyObject(r);        redisFree(c);        return;    }     freeReplyObject(r);    printf("Succeed to execute command[%s]\n", command4);    redisFree(c);} int main(void){    doTest();    return 0;}编译：gcc testredis.c -lhiredis -o testredis运行：./testredis