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C语言操作Redis总结
1 #include "hiredis.h" 2 3 #define NO_QFORKIMPL 4 #pragma comment(lib,"hiredis.lib") 5 #pragma comment(lib,"Win32_Interop.lib") 6 7 int get_int_command(char int_command[200]) 8 { 9 reply = (redisReply *)redisCommand(c, int_command); 10 //printf("exists命令执行结果: %d\n", reply->type); 11 if (reply->type == 3) //返回整型标识 12 { 13 //printf("%s命令执行结果: %d\n", int_command, reply->integer); 14 return reply->integer; 15 } 16 else if (reply->type == 4) //返回nil对象 17 { 18 return -1; 19 } 20 else if (reply->type == 6) //返回错误 21 { 22 return -2; 23 } 24 freeReplyObject(reply); 25 return 0; 26 } 27 28 char* get_string_command(char string_command[200]) 29 { 30 reply = (redisReply *)redisCommand(c, string_command); 31 //printf("lindex MA_h1_K 0命令执行结果 reply type: %d\n", reply->type); 32 if (reply->type == 1) //返回字符串标识 33 { 34 //printf("lindex MA_h1_K 0命令执行结果 reply type: %s\n", reply->str); 35 return reply->str; 36 } 37 else if (reply->type == 4) //返回nil对象 38 { 39 return "不存在要访问的数据"; 40 } 41 else if (reply->type == 6) //返回错误 42 { 43 return reply->str; 44 } 45 freeReplyObject(reply); 46 return ""; 47 } 48 49 void run_command(char run_command[200]) 50 { 51 reply = (redisReply *)redisCommand(c, run_command); 52 //printf("reply type: %d\n", reply->type); 53 if (reply->type == 5) 54 { 55 //printf("run_command执行结果: %s\n", reply->str); 56 } 57 freeReplyObject(reply); 58 } 59 60 int main() 61 { 62 SYSTEMTIME sys; 63 char local_time[25] = ""; 64 65 c = redisConnect((char*)redis_host, redis_port); 66 if (c->err) { /* Error flags, 0 when there is no error */ 67 printf("连接Redis失败: %s\n", c->errstr); 68 exit(1); 69 } 70 else 71 { 72 printf("连接Redis成功!\n"); 73 } 74 75 reply = (redisReply *)redisCommand(c, "AUTH %s", redis_password); 76 if (reply->type == REDIS_REPLY_ERROR) { 77 printf("Redis认证失败!\n"); 78 } 79 else 80 { 81 printf("Redis认证成功!\n"); 82 } 83 freeReplyObject(reply); 84 85 reply = (redisReply *)redisCommand(c, "SELECT 1"); //选择数据库 86 printf("SELECT: 1 %s\n", reply->str); 87 freeReplyObject(reply); 88 89 //delete命令 90 run_command("DEL foo"); 91 92 //set命令 93 run_command("SET foo hello world"); 94 95 96 //get命令 97 printf("GET foo命令执行结果 : %s\n", get_string_command("GET foo")); 98 99 100 //exists命令 101 printf("exists test1命令执行结果: %d\n", get_int_command("exists test1")); 102 printf("exists MA_h1_K命令执行结果: %d\n", get_int_command("exists MA_h1_K")); 103 104 105 //llen命令 106 printf("llen MA_h1_K命令执行结果: %d\n", get_int_command("llen MA_h1_K")); 107 108 109 //lrange命令 110 reply = (redisReply *)redisCommand(c, "lrange MA_h1_K 0 7"); 111 //printf("lrange MA_h1_K 0 7命令执行结果 reply type: %d\n", reply->type); 112 if (reply->type == 2) 113 { 114 printf("队列数量为: %d\n", reply->elements); 115 if (reply->element[0]->type == 1) 116 { 117 for (int i = 0; i < reply->elements; i++) 118 { 119 printf("lrange MA_h1_K 0 7命令执行结果: %s\n", reply->element[i]->str); 120 } 121 } 122 123 } 124 freeReplyObject(reply); 125 126 //lindex命令 127 printf("lindex MA_h1_K 0命令执行结果 : %s\n", get_string_command("lindex MA_h1_K 0")); 128 129 130 //lpush命令 131 run_command("lpush list test1 test2 test3"); 132 133 //lpop命令 134 printf("lpop list命令执行结果 : %s\n", get_string_command("lpop list")); 135 136 //rpop命令 137 printf("rpop list命令执行结果 : %s\n", get_string_command("rpop list")); 138 139 //rpoplpush命令 140 printf("rpoplpush list list1命令执行结果 : %s\n", get_string_command("rpoplpush list list1")); 141 142 printf("lpop list1命令执行结果 : %s\n", get_string_command("lpop list1")); 143 144 //lpush rpush lpop rpop RPOPLPUSH 145 146 147 char test; 148 test = getchar(); 149 }
C语言操作Redis总结
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