C++使用redis的实例详解

#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 可以再配置文件中修改 
  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 stest1 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 stest1"; 
  r = (redisReply*)redisCommand(c, command2); 
  if ( r->type != REDIS_REPLY_INTEGER) 
  { 
    printf("Failed to execute command[%s]\n",command2); 
    freeReplyObject(r); 
    redisFree(c); 
    return; 
  } 
  int length = r->integer; 
  freeReplyObject(r); 
  printf("The length of 'stest1' is %d.\n", length); 
  printf("Succeed to execute command[%s]\n", command2); 
   
   
  const char* command3 = "get stest1"; 
  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 'stest1' is %s\n", r->str); 
  freeReplyObject(r); 
  printf("Succeed to execute command[%s]\n", command3); 
   
  const char* command4 = "get stest2"; 
  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() 
{ 
  doTest(); 
  return 0; 
}