Jedis操作Redis（数据类型测试）

package priv.starfish.redis;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.junit.Before;
import org.junit.Test;

import redis.clients.jedis.Jedis;

public class RedisTest {

private Jedis jedis;

@Before
public void connect() {
jedis = new Jedis("192.168.26.58", 6379); // 默认端口是6379,也可以不写
System.out.println("Service is running ---" + jedis.ping());
}

/*
* 测试5+1(五大数据类型和key)
*/

@Test
public void testString() {
jedis.set("name", "starfish");
jedis.mset("age", "25", "isHandsome", "sure", "job", "programmer");
jedis.incr("age");
jedis.append("car", "CRV");
System.out.println(
jedis.get("age") + " years old " + jedis.get("name") + " is handsome? " + jedis.get("isHandsome"));
System.out.println(jedis.mget("job", "car")); // 返回所有给定的key的值，返回数组
}

@Test
public void testList() {
jedis.del("language");
jedis.lpush("language", "Chinese"); // 插入到表头，left 左边么
jedis.rpush("language", "Japanese"); // 插入到表尾
jedis.lpush("language", "English");
jedis.lset("language", 0, "French"); // 将列表language下标是0的元素值设为French
System.out.println(jedis.llen("language")); // 返回列表key的长度
System.out.println(jedis.lrange("language", 0, 2)); // 返回列表中指定区间的元素
System.out.println(jedis.lindex("language", 1)); // 返回下标为1的元素
}

@Test
public void testHash() {
// 添加数据
Map<String, String> map = new HashMap<String, String>();
map.put("name", "starfish");
map.put("age", "25");
map.put("car", "CRV");
jedis.hset("user", "job", "programmer");
jedis.hmset("user", map);
String name = jedis.hget("user", "name");
System.out.println("name:" + name);
List<String> userInfo = jedis.hmget("user", "name", "age", "job", "car");
System.out.println("userInfo:" + userInfo); // 返回给定域的值
System.out.println(jedis.hlen("user"));
System.out.println(jedis.hvals("user")); // 返回哈希表 key 中所有域的值
System.out.println(jedis.hkeys("user")); // 返回hash表key中的所有域
Iterator<String> iter = jedis.hkeys("user").iterator();
while (iter.hasNext()) {
String key = iter.next();
System.out.println(key + ":" + jedis.hmget("user", key));
}
}

@Test
public void testSet() {
jedis.sadd("java", "myBatis", "Spring", "Struts", "Hibernate","python");
System.out.println(jedis.scard("java"));
jedis.srem("java", "python");  //移除key中的一个或多个元素
System.out.println(jedis.sdiff("java"));
System.out.println(jedis.sismember("java", "c++")); //判断C++是否在java集合中

//redis还提供了一种有序集合
jedis.zadd("DB", 1, "mysql");
jedis.zadd("DB", 3, "sqlServer");
jedis.zadd("DB", 0, "oracle");
System.out.println("有序集长度："+jedis.zcard("DB"));  //返回有序集 key 的基数
Set<String> set = jedis.zrange("DB", 0, 2);
System.out.println(set);
for (Iterator iterator = set.iterator(); iterator.hasNext();) {
String string = (String) iterator.next();
System.out.println(string);
}
System.out.println(jedis.zscan("DB", "0"));
}

}