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要在Java程序中使用使用操作Redis，需要確保有Redis的Java驅動程序和Java設置在機器上。現在，讓我們來看看如何設置Redis的Java驅動程序。
連接到Redis服務器
import redis.clients.jedis.Jedis;
public class RedisJava {
public static void main(String[] args) {
//Connecting to Redis server on localhost
Jedis jedis = new Jedis("localhost");
System.out.println("Connection to server sucessfully");
//check whether server is running or not
System.out.println("Server is running: "+jedis.ping());
}
}
現在，讓我們來編譯和運行上面的程序來測試連接Redis服務器。你可以根據實際情況改變路徑。這里假設jedis.jar的當前版本在當前路徑中可用
$javac RedisJava.java $java RedisJava Connection to server sucessfully Server is running: PONG
Redis和Java字符串實例
import redis.clients.jedis.Jedis;
public class RedisStringJava {
public static void main(String[] args) {
//Connecting to Redis server on localhost
Jedis jedis = new Jedis("localhost");
System.out.println("Connection to server sucessfully");
//set the data in redis string
jedis.set("tutorial-name", "Redis tutorial");
// Get the stored data and print it
System.out.println("Stored string in redis:: "+ jedis.get("tutorial-name"));
}
}
現在，讓我們編譯并運行上述程序。
$javac RedisStringJava.java $java RedisStringJava Connection to server sucessfully Stored string in redis:: Redis tutorial
Redis和Java列表示例
import redis.clients.jedis.Jedis;
public class RedisListJava {
public static void main(String[] args) {
//Connecting to Redis server on localhost
Jedis jedis = new Jedis("localhost");
System.out.println("Connection to server sucessfully");
//store data in redis list
jedis.lpush("tutorial-list", "Redis");
jedis.lpush("tutorial-list", "Mongodb");
jedis.lpush("tutorial-list", "Mysql");
// Get the stored data and print it
List<String> list = jedis.lrange("tutorial-list", 0 ,5);
for(int i=0; i<list.size(); i++) {
System.out.println("Stored string in redis:: "+list.get(i));
}
}
}
現在，讓我們編譯并運行上述程序。
$javac RedisListJava.java $java RedisListJava Connection to server sucessfully Stored string in redis:: Redis Stored string in redis:: Mongodb Stored string in redis:: Mysql
Redis和Java的鍵實例
import redis.clients.jedis.Jedis;
public class RedisKeyJava {
public static void main(String[] args) {
//Connecting to Redis server on localhost
Jedis jedis = new Jedis("localhost");
System.out.println("Connection to server sucessfully");
//store data in redis list
// Get the stored data and print it
List<String> list = jedis.keys("*");
for(int i=0; i<list.size(); i++) {
System.out.println("List of stored keys:: "+list.get(i));
}
}
}
現在，讓我們編譯并運行上述程序。
$javac RedisKeyJava.java $java RedisKeyJava Connection to server sucessfully List of stored keys:: tutorial-name List of stored keys:: tutorial-list
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