常用API之string
阿新 • • 發佈:2021-08-02
public static void main(String[] args) { Jedis jedis = new Jedis("127.0.0.1",6379); jedis.auth("12345"); System.out.println("==================增加資料=================="); System.out.println(jedis.set("key1","value1")); System.out.println(jedis.set("key2","value2")); System.out.println(jedis.set("key3","value3")); System.out.println("刪除鍵key2:"+jedis.del("key2")); System.out.println("獲取鍵值key2:"+jedis.get("key2")); System.out.println("修改key1:"+jedis.set("key1","value1Changed")); System.out.println("獲取鍵值key1:"+jedis.get("key1")); System.out.println("在key3後面加入值:"+jedis.append("key3","End")); System.out.println("獲取鍵值key3:"+jedis.get("key3")); System.out.println("增加多個鍵值對:"+jedis.mset("key01","value01","key02","value02")); System.out.println("獲取多個鍵值對:"+jedis.mget("key01","key02","key03")); System.out.println("獲取多個鍵值對:"+jedis.mget("key01","key02","key03","key04")); System.out.println("刪除多個鍵值對:"+jedis.del("key01","key02","key03")); System.out.println("獲取多個鍵值對:"+jedis.mget("key01","key02","key03")); jedis.flushDB(); System.out.println("=====================新增鍵值對防止覆蓋原先值====================="); System.out.println(jedis.setnx("key1","value1")); System.out.println(jedis.setnx("key2","value2")); System.out.println(jedis.setnx("key2","value2-new")); System.out.println(jedis.get("key1")); System.out.println(jedis.get("key2")); System.out.println("=====================新增鍵值對並設定有效時間====================="); System.out.println(jedis.setex("key3",2,"value3")); System.out.println(jedis.get("key3")); try { TimeUnit.SECONDS.sleep(3); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println(jedis.get("key3")); System.out.println("=====================獲取原值,更新為新值====================="); System.out.println(jedis.getSet("key2","key2GetSet")); System.out.println(jedis.get("key2")); System.out.println("擷取key2的值:"+jedis.getrange("key2",2,4)); }