要在Java程序中使用使用操作Redis，需要确保有Redis的Java驱动程序和Java设置在机器上。现在，让我们来看看如何设置Redis的Java驱动程序。
- 需要下载jedis.jar。请一定要下载它的最新版本。
- 需要包括jedis.jar到你的类路径中。
连接到Redis服务器
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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()); }} |
现在，让我们来编译和运行上面的程序来测试连接Redis服务器。你可以根据实际情况改变路径。这里假设jedis.jar的当前版本在当前路径中可用
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$javac RedisJava.java$java RedisJavaConnection to server sucessfullyServer is running: PONG |
Redis和Java字符串实例
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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")); }} |
现在，让我们编译并运行上述程序。
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$javac RedisStringJava.java$java RedisStringJavaConnection to server sucessfullyStored string in redis:: Redis tutorial |
Redis和Java列表示例
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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)); } }} |
现在，让我们编译并运行上述程序。
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$javac RedisListJava.java$java RedisListJavaConnection to server sucessfullyStored string in redis:: RedisStored string in redis:: MongodbStored string in redis:: Mysql |
Redis和Java的键实例
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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)); } }} |
现在，让我们编译并运行上述程序。
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$javac RedisKeyJava.java$java RedisKeyJavaConnection to server sucessfullyList of stored keys:: tutorial-nameList of stored keys:: tutorial-list |
