wget http://download.redis.io/releases/redis-5.0.8.tar.gz
tar xzf redis-5.0.8.tar.gz
cd redis-5.0.8
make
rpush listkey c b a -右侧插入
lpush listkey f e d -左侧插入
rpop listkey -右侧弹出
lpop listkey -左侧弹出
lrange listkey 0 -1 -查询所有
sadd set1 c -插入
smembers set1 -查看
sinter set1 set2 -交集查询
sunion set1 set2 -并集查询
sdiff set1 set2 -差集查询
zadd zset1 99 c -插入
zrange zset1 0 -1 -查询所有
zrange zset1 0 -1 withscores -查询包含分数
zrangebyscore zset1 100 101 -范围查询
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
package com.jesse;
import redis.clients.jedis.Jedis;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class JedisTestor {
public static void main(String[] args) {
Jedis jedis = new Jedis("192.168.2.4",6379);
try{
jedis.auth("123");
jedis.select(4);
System.out.println("Redis连接成功");
//String
jedis.set("sn","7781-9938");
String sn = jedis.get("sn");
System.out.println(sn);
jedis.mset(new String[]{"title","婴幼儿奶粉","num","2"});
List<String> goods = jedis.mget(new String[]{"sn", "title", "num"});
System.out.println(goods);
Long num = jedis.incr("num");
System.out.println(num);
//Hash
jedis.hset("student:3312","name","张晓明");
String name = jedis.hget("student:3312", "name");
System.out.println(name);
Map<String,String> studentMap = new HashMap();
studentMap.put("name","李兰");
studentMap.put("age","18");
studentMap.put("id","3313");
jedis.hmset("student:3312",studentMap);
Map<String, String> smap = jedis.hgetAll("student:3312");
System.out.println(smap);
//List
jedis.del("letter");
jedis.rpush("letter", new String[]{"d","e","f"});
jedis.lpush("letter", new String[]{"c","b","a"});
List<String> letter = jedis.lrange("letter", 0, -1);
jedis.lpop("letter");
jedis.rpop("letter");
letter = jedis.lrange("letter", 0, -1);
System.out.println(letter);
}catch (Exception e){
e.printStackTrace();
}finally {
jedis.close();
}
}
}
package com.jesse;
public class Goods {
private Integer goodsId;
private String goodsName;
private String description;
private Float price;
public Goods() {
}
public Goods(Integer goodsId, String goodsName, String description, Float price) {
this.goodsId = goodsId;
this.goodsName = goodsName;
this.description = description;
this.price = price;
}
public Integer getGoodsId() {
return goodsId;
}
public void setGoodsId(Integer goodsId) {
this.goodsId = goodsId;
}
public String getGoodsName() {
return goodsName;
}
public void setGoodsName(String goodsName) {
this.goodsName = goodsName;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Float getPrice() {
return price;
}
public void setPrice(Float price) {
this.price = price;
}
}
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.61</version>
</dependency>
package com.jesse;
import com.alibaba.fastjson.JSON;
import redis.clients.jedis.Jedis;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class CacheSample {
public CacheSample(){
Jedis jedis = new Jedis("192.168.1.1");
try{
List<Goods> goodsList = new ArrayList<Goods>();
goodsList.add(new Goods(8818,"红富士苹果","",3.5f));
goodsList.add(new Goods(8819,"进口脐橙","",5f));
goodsList.add(new Goods(8820,"进口香蕉","",25f));
jedis.auth("123");
jedis.select(3);
for (Goods goods : goodsList) {
String json = JSON.toJSONString(goods);
System.out.println(json);
String key = "goods:" + goods.getGoodsId();
jedis.set(key, json);
}
}catch (Exception e){
e.printStackTrace();
}finally {
jedis.close();
}
}
public static void main(String[] args) {
new CacheSample();
System.out.printf("请输入要查询的商品编号：");
String goodsId = new Scanner(System.in).next();
Jedis jedis = new Jedis("192.168.1.1");
try{
jedis.auth("123");
jedis.select(3);
String key = "goods:" + goodsId;
if (jedis.exists(key)){
String json = jedis.get(key);
System.out.println(json);
Goods g = JSON.parseObject(json, Goods.class);
System.out.println(g.getGoodsName());
System.out.println(g.getPrice());
}else{
System.out.println("您输入的商品编号不存在，请重新输入！");
}
}catch (Exception e){
e.printStackTrace();
}finally {
jedis.close();
}
}
}
CentOS7使用firewalld打开关闭防火墙与端口：
https://www.cnblogs.com/moxiaoan/p/5683743.html
网络数据传输socket和http优缺点：
https://www.cnblogs.com/timeismoney/p/7357434.html
Unix目录结构的来历：
https://www.ruanyifeng.com/blog/2012/02/a_history_of_unix_directory_structure.html
Linux（centos）安装vim：
https://www.cnblogs.com/Jason-Xiang/p/11750846.html
原文：https://www.cnblogs.com/jessekkk/p/12790585.html