前言
今天为大家展示一下如何使用Spring data redis来缓存项目中数据,在项目使用人数少的情况下使用HttpSession问题不大,但是当并发多了就顶不住了,基本都会选择一些NoSQL来做缓存,本人就选择了比较常用的redis来做缓存;关于统一响应类这个东西就是为了规范项目的响应值,方便前端对接接口,其它人对接接口时更轻松。
添加统一响应类
在model包下添加Result.java类
package com.example.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.http.HttpStatus;
import java.io.Serializable;
/**
* 公共响应类
*
* @author vains
* @date 2021/3/10 14:10
*/
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Result implements Serializable {
/**
* 响应状态码
*/
private Integer code;
/**
* 响应信息
*/
private String message;
/**
* 接口是否处理成功
*/
private Boolean success;
/**
* 接口响应时携带的数据
*/
private T data;
/**
* 操作成功携带数据
* @param data 数据
* @param 类型
* @return 返回统一响应
*/
public static Result success(T data) {
return new Result(HttpStatus.OK.value(), ("操作成功."),Boolean.TRUE, data);
}
/**
* 操作成功不带数据
* @return 返回统一响应
*/
public static Result success() {
return new Result(HttpStatus.OK.value(), ("操作成功."), Boolean.TRUE, (null));
}
/**
* 操作成功携带数据
* @param message 成功提示消息
* @param data 成功携带数据
* @param 类型
* @return 返回统一响应
*/
public static Result success(String message, T data) {
return new Result(HttpStatus.OK.value(), message, Boolean.TRUE, data);
}
/**
* 操作失败返回
* @param message 成功提示消息
* @param 类型
* @return 返回统一响应
*/
public static Result error(String message) {
return new Result(HttpStatus.INTERNAL_SERVER_ERROR.value(), message, Boolean.FALSE, (null));
}
/**
* 操作失败返回
* @param code 错误码
* @param message 成功提示消息
* @param 类型
* @return 返回统一响应
*/
public static Result error(Integer code, String message) {
return new Result(code, message, Boolean.FALSE, (null));
}
/**
* oauth2 问题
* @param message 失败提示消息
* @param data 具体的错误信息
* @param 类型
* @return 返回统一响应
*/
public static Result oauth2Error(Integer code, String message, T data) {
return new Result(code, message, Boolean.FALSE, data);
}
/**
* oauth2 问题
* @param message 失败提示消息
* @param data 具体的错误信息
* @param 类型
* @return 返回统一响应
*/
public static Result oauth2Error(String message, T data) {
return new Result(HttpStatus.UNAUTHORIZED.value(), message, Boolean.FALSE, data);
}
}
优化项目
在controller包下添加LoginController
类
该类中的接口是原AuthorizationController
接口中的,现在挪到该类中,并使用Redis来替换HttpSession存储验证码信息,编写一个CaptchaResult
来将redis中的key返回给前端,前端登录时携带这个key来获取缓存数据,CaptchaResult类在后边
package com.example.controller;
import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.ShearCaptcha;
import com.baomidou.mybatisplus.core.toolkit.IdWorker;
import com.example.model.Result;
import com.example.model.response.CaptchaResult;
import com.example.support.RedisOperator;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import static com.example.constant.RedisConstants.*;
/**
* 登录接口,登录使用的接口
*
* @author vains
*/
@RestController
@RequiredArgsConstructor
public class LoginController {
private final RedisOperator redisOperator;
@GetMapping("/getSmsCaptcha")
public Result getSmsCaptcha(String phone) {
// 示例项目,固定1234
String smsCaptcha = "1234";
// 存入缓存中,5分钟后过期
redisOperator.set((SMS_CAPTCHA_PREFIX_KEY + phone), smsCaptcha, CAPTCHA_TIMEOUT_SECONDS);
return Result.success("获取短信验证码成功.", smsCaptcha);
}
@GetMapping("/getCaptcha")
public Result getCaptcha() {
// 使用huTool-captcha生成图形验证码
// 定义图形验证码的长、宽、验证码字符数、干扰线宽度
ShearCaptcha captcha = CaptchaUtil.createShearCaptcha(150, 40, 4, 2);
// 生成一个唯一id
long id = IdWorker.getId();
// 存入缓存中,5分钟后过期
redisOperator.set((IMAGE_CAPTCHA_PREFIX_KEY + id), captcha.getCode(), CAPTCHA_TIMEOUT_SECONDS);
return Result.success("获取验证码成功.", new CaptchaResult(String.valueOf(id), captcha.getCode(), captcha.getImageBase64Data()));
}
}
CaptchaResult
生成的key是long,类使用String是因为前端对于long类型的大数据会有精度丢失问题,所以使用String
package com.example.model.response;
import lombok.AllArgsConstructor;
import lombok.Data;
/**
* 获取验证码返回
*
* @author vains
*/
@Data
@AllArgsConstructor
public class CaptchaResult {
/**
* 验证码id
*/
private String captchaId;
/**
* 验证码的值
*/
private String code;
/**
* 图片验证码的base64值
*/
private String imageData;
}
优化登录页面
页面修改不大,这里只放关键代码,如果有需要的可以去gitee查看完整代码:代码地址
页面登录表单添加隐藏域,存储redis存储验证码的key
获取验证码并设置值的地方修改
function getVerifyCode() {
let requestOptions = {
method: 'GET',
redirect: 'follow'
};
fetch(`${window.location.origin}/getCaptcha`, requestOptions)
.then(response => response.text())
.then(r => {
if (r) {
let result = JSON.parse(r);
document.getElementById('captchaId').value = result.data.captchaId
document.getElementById('code-image').src = result.data.imageData
}
})
.catch(error => console.log('error', error));
}
修改CaptchaAuthenticationProvider
从redis中获取验证码
package com.example.authorization.captcha;
import com.example.constant.SecurityConstants;
import com.example.exception.InvalidCaptchaException;
import com.example.support.RedisOperator;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import java.util.Objects;
import static com.example.constant.RedisConstants.IMAGE_CAPTCHA_PREFIX_KEY;
/**
* 验证码校验
* 注入ioc中替换原先的DaoAuthenticationProvider
* 在authenticate方法中添加校验验证码的逻辑
* 最后调用父类的authenticate方法并返回
*
* @author vains
*/
@Slf4j
public class CaptchaAuthenticationProvider extends DaoAuthenticationProvider {
private final RedisOperator redisOperator;
/**
* 利用构造方法在通过{@link Component}注解初始化时
* 注入UserDetailsService和passwordEncoder,然后
* 设置调用父类关于这两个属性的set方法设置进去
*
* @param userDetailsService 用户服务,给框架提供用户信息
* @param passwordEncoder 密码解析器,用于加密和校验密码
*/
public CaptchaAuthenticationProvider(UserDetailsService userDetailsService, PasswordEncoder passwordEncoder, RedisOperator redisOperator) {
this.redisOperator = redisOperator;
super.setPasswordEncoder(passwordEncoder);
super.setUserDetailsService(userDetailsService);
}
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
log.info("Authenticate captcha...");
// 获取当前request
RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
if (requestAttributes == null) {
throw new InvalidCaptchaException("Failed to get the current request.");
}
HttpServletRequest request = ((ServletRequestAttributes) requestAttributes).getRequest();
// 获取当前登录方式
String loginType = request.getParameter(SecurityConstants.LOGIN_TYPE_NAME);
if (!Objects.equals(loginType, SecurityConstants.PASSWORD_LOGIN_TYPE)) {
// 只要不是密码登录都不需要校验图形验证码
log.info("It isn't necessary captcha authenticate.");
return super.authenticate(authentication);
}
// 获取参数中的验证码
String code = request.getParameter(SecurityConstants.CAPTCHA_CODE_NAME);
if (ObjectUtils.isEmpty(code)) {
throw new InvalidCaptchaException("The captcha cannot be empty.");
}
String captchaId = request.getParameter(SecurityConstants.CAPTCHA_ID_NAME);
// 获取缓存中存储的验证码
String captchaCode = redisOperator.getAndDelete((IMAGE_CAPTCHA_PREFIX_KEY + captchaId));
if (!ObjectUtils.isEmpty(captchaCode)) {
if (!captchaCode.equalsIgnoreCase(code)) {
throw new InvalidCaptchaException("The captcha is incorrect.");
}
} else {
throw new InvalidCaptchaException("The captcha is abnormal. Obtain it again.");
}
log.info("Captcha authenticated.");
return super.authenticate(authentication);
}
}
修改SmsCaptchaLoginAuthenticationProvider
从redis中获取短信验证码
package com.example.authorization.sms;
import com.example.authorization.captcha.CaptchaAuthenticationProvider;
import com.example.constant.SecurityConstants;
import com.example.exception.InvalidCaptchaException;
import com.example.support.RedisOperator;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import java.util.Objects;
import static com.example.constant.RedisConstants.SMS_CAPTCHA_PREFIX_KEY;
/**
* 短信验证码校验实现
*
* @author vains
*/
@Slf4j
@Component
public class SmsCaptchaLoginAuthenticationProvider extends CaptchaAuthenticationProvider {
private final RedisOperator redisOperator;
/**
* 利用构造方法在通过{@link Component}注解初始化时
* 注入UserDetailsService和passwordEncoder,然后
* 设置调用父类关于这两个属性的set方法设置进去
*
* @param userDetailsService 用户服务,给框架提供用户信息
* @param passwordEncoder 密码解析器,用于加密和校验密码
*/
public SmsCaptchaLoginAuthenticationProvider(UserDetailsService userDetailsService, PasswordEncoder passwordEncoder, RedisOperator redisOperator) {
super(userDetailsService, passwordEncoder, redisOperator);
this.redisOperator = redisOperator;
}
@Override
protected void additionalAuthenticationChecks(UserDetails userDetails, UsernamePasswordAuthenticationToken authentication) throws AuthenticationException {
log.info("Authenticate sms captcha...");
if (authentication.getCredentials() == null) {
this.logger.debug("Failed to authenticate since no credentials provided");
throw new BadCredentialsException("The sms captcha cannot be empty.");
}
// 获取当前request
RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
if (requestAttributes == null) {
throw new InvalidCaptchaException("Failed to get the current request.");
}
HttpServletRequest request = ((ServletRequestAttributes) requestAttributes).getRequest();
// 获取当前登录方式
String loginType = request.getParameter(SecurityConstants.LOGIN_TYPE_NAME);
// 获取grant_type
String grantType = request.getParameter(OAuth2ParameterNames.GRANT_TYPE);
// 短信登录和自定义短信认证grant type会走下方认证
// 如果是自定义密码模式则下方的认证判断只要判断下loginType即可
// if (Objects.equals(loginType, SecurityConstants.SMS_LOGIN_TYPE)) {}
if (Objects.equals(loginType, SecurityConstants.SMS_LOGIN_TYPE)
|| Objects.equals(grantType, SecurityConstants.GRANT_TYPE_SMS_CODE)) {
// 获取存入缓存中的验证码(UsernamePasswordAuthenticationToken的principal中现在存入的是手机号)
String smsCaptcha = redisOperator.getAndDelete((SMS_CAPTCHA_PREFIX_KEY + authentication.getPrincipal()));
// 校验输入的验证码是否正确(UsernamePasswordAuthenticationToken的credentials中现在存入的是输入的验证码)
if (!Objects.equals(smsCaptcha, authentication.getCredentials())) {
throw new BadCredentialsException("The sms captcha is incorrect.");
}
// 在这里也可以拓展其它登录方式,比如邮箱登录什么的
} else {
log.info("Not sms captcha loginType, exit.");
// 其它调用父类默认实现的密码方式登录
super.additionalAuthenticationChecks(userDetails, authentication);
}
log.info("Authenticated sms captcha.");
}
}
修改Oauth2BasicUser
的authorities
属性,以防序列化失败
上一篇文章中最开始没有添加@JsonSerialize
与@JsonIgnoreProperties(ignoreUnknown = true)
注解,导致授权确认时框架获取用户信息反序列化时失败,会导致JsonMixin异常,@JsonSerialize注解就是解决这个问题,另一个是忽略未知属性的。
package com.example.entity;
import com.baomidou.mybatisplus.annotation.*;
import java.io.Serial;
import java.io.Serializable;
import java.time.LocalDateTime;
import java.util.Collection;
import com.example.model.security.CustomGrantedAuthority;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import lombok.Data;
import org.springframework.security.core.userdetails.UserDetails;
/**
*
* 基础用户信息表
*
*
* @author vains
*/
@Data
@JsonSerialize
@TableName("oauth2_basic_user")
@JsonIgnoreProperties(ignoreUnknown = true)
public class Oauth2BasicUser implements UserDetails, Serializable {
@Serial
private static final long serialVersionUID = 1L;
/**
* 自增id
*/
@TableId(value = "id", type = IdType.AUTO)
private Integer id;
/**
* 用户名、昵称
*/
private String name;
/**
* 账号
*/
private String account;
/**
* 密码
*/
private String password;
/**
* 手机号
*/
private String mobile;
/**
* 邮箱
*/
private String email;
/**
* 头像地址
*/
private String avatarUrl;
/**
* 是否已删除
*/
private Boolean deleted;
/**
* 用户来源
*/
private String sourceFrom;
/**
* 创建时间
*/
@TableField(fill = FieldFill.INSERT)
private LocalDateTime createTime;
/**
* 修改时间
*/
@TableField(fill = FieldFill.INSERT_UPDATE)
private LocalDateTime updateTime;
/**
* 权限信息
* 非数据库字段
*/
@TableField(exist = false)
private Collection authorities;
@Override
public Collection getAuthorities() {
return this.authorities;
}
@Override
public String getUsername() {
return this.account;
}
@Override
public boolean isAccountNonExpired() {
return true;
}
@Override
public boolean isAccountNonLocked() {
return true;
}
@Override
public boolean isCredentialsNonExpired() {
return true;
}
@Override
public boolean isEnabled() {
return !this.deleted;
}
}
CustomGrantedAuthority
该类中添加@JsonSerialize也是为了解决JsonMixin问题
package com.example.model.security;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
/**
* 自定义权限类
*
* @author vains
*/
@Data
@JsonSerialize
@NoArgsConstructor
@AllArgsConstructor
public class CustomGrantedAuthority implements GrantedAuthority {
private String authority;
@Override
public String getAuthority() {
return this.authority;
}
}
Redis常量类RedisConstants
package com.example.constant;
/**
* Redis相关常量
*
* @author vains
*/
public class RedisConstants {
/**
* 短信验证码前缀
*/
public static final String SMS_CAPTCHA_PREFIX_KEY = "mobile_phone:";
/**
* 图形验证码前缀
*/
public static final String IMAGE_CAPTCHA_PREFIX_KEY = "image_captcha:";
/**
* 验证码过期时间,默认五分钟
*/
public static final long CAPTCHA_TIMEOUT_SECONDS = 60L * 5;
}
SecurityConstants
添加常量
/**
* 登录方式入参名
*/
public static final String LOGIN_TYPE_NAME = "loginType";
/**
* 验证码id入参名
*/
public static final String CAPTCHA_ID_NAME = "captchaId";
/**
* 验证码值入参名
*/
public static final String CAPTCHA_CODE_NAME = "code";
整合Spring data redis的步骤
引入starer
Spring boot项目中直接引入starter即可
org.springframework.boot
spring-boot-starter-data-redis
引入jackson-datatype-jsr310提供对Java8的特性与Java8时间相关序列化支持
com.fasterxml.jackson.datatype
jackson-datatype-jsr310
编写Redis配置文件
这个是可选的,但是如果不加这些序列化器会使用jdk的序列化器,导致使用redis客户端查看时与元数据有差异
package com.example.config;
import com.example.util.JsonUtils;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
/**
* Redis的key序列化配置类
*
* @author vains
*/
@Configuration
public class RedisConfig {
/**
* 默认情况下使用
*
* @param connectionFactory redis链接工厂
* @return RedisTemplate
*/
@Bean
public RedisTemplate redisTemplate(RedisConnectionFactory connectionFactory) {
// 字符串序列化器
StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
// 存入redis时序列化值的序列化器
Jackson2JsonRedisSerializer valueSerializer =
new Jackson2JsonRedisSerializer(JsonUtils.MAPPER, Object.class);
RedisTemplate redisTemplate = new RedisTemplate();
// 设置值序列化器
redisTemplate.setValueSerializer(valueSerializer);
// 设置hash格式数据值的序列化器
redisTemplate.setHashValueSerializer(valueSerializer);
// 默认的Key序列化器为:JdkSerializationRedisSerializer
redisTemplate.setKeySerializer(stringRedisSerializer);
// 设置字符串序列化器
redisTemplate.setStringSerializer(stringRedisSerializer);
// 设置hash结构的key的序列化器
redisTemplate.setHashKeySerializer(stringRedisSerializer);
// 设置连接工厂
redisTemplate.setConnectionFactory(connectionFactory);
return redisTemplate;
}
/**
* 操作hash的情况下使用
*
* @param connectionFactory redis链接工厂
* @return RedisTemplate
*/
@Bean
public RedisTemplate redisHashTemplate(RedisConnectionFactory connectionFactory) {
return redisTemplate(connectionFactory);
}
}
编写redis操作类
可选,框架提供了RedisTemplate来操作redis
package com.example.support;
import com.example.util.JsonUtils;
import jakarta.annotation.Resource;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* Redis操作类
*
* @param value的类型
* @author vains
*/
@Component
public class RedisOperator {
/**
* 这里使用 @Resource 注解是因为在配置文件中注入ioc的泛型是,所以类型匹配不上,
* resource是会先根据名字去匹配的,所以使用Resource注解可以成功注入
*/
@Resource
private RedisTemplate redisTemplate;
@Resource
private RedisTemplate redisHashTemplate;
/**
* 设置key的过期时间
*
* @param key 缓存key
* @param timeout 存活时间
* @param unit 时间单位
*/
public void setExpire(String key, long timeout, TimeUnit unit) {
redisHashTemplate.expire(key, timeout, unit);
}
/**
* 根据key删除缓存
*
* @param keys 要删除的key,可变参数列表
* @return 删除的缓存数量
*/
public Long delete(String... keys) {
if (ObjectUtils.isEmpty(keys)) {
return 0L;
}
return redisTemplate.delete(Arrays.asList(keys));
}
/**
* 存入值
*
* @param key 缓存中的key
* @param value 存入的value
*/
public void set(String key, V value) {
valueOperations().set(key, value);
}
/**
* 根据key取值
*
* @param key 缓存中的key
* @return 返回键值对应缓存
*/
public V get(String key) {
return valueOperations().get(key);
}
/**
* 设置键值并设置过期时间
*
* @param key 键
* @param value 值
* @param timeout 过期时间
* @param unit 过期时间的单位
*/
public void set(String key, V value, long timeout, TimeUnit unit) {
valueOperations().set(key, value, timeout, unit);
}
/**
* 设置键值并设置过期时间(单位秒)
*
* @param key 键
* @param value 值
* @param timeout 过期时间,单位:秒
*/
public void set(String key, V value, long timeout) {
this.set(key, value, timeout, TimeUnit.SECONDS);
}
/**
* 根据key获取缓存并删除缓存
*
* @param key 要获取缓存的key
* @return key对应的缓存
*/
public V getAndDelete(String key) {
if (ObjectUtils.isEmpty(key)) {
return null;
}
V value = valueOperations().get(key);
this.delete(key);
return value;
}
/**
* 往hash类型的数据中存值
*
* @param key 缓存中的key
* @param field hash结构的key
* @param value 存入的value
*/
public void setHash(String key, String field, V value) {
hashOperations().put(key, field, value);
}
/**
* 根据key取值
*
* @param key 缓存中的key
* @return 缓存key对应的hash数据中field属性的值
*/
public Object getHash(String key, String field) {
return hashOperations().hasKey(key, field) ? hashOperations().get(key, field) : null;
}
/**
* 以hash格式存入redis
*
* @param key 缓存中的key
* @param value 存入的对象
*/
public void setHashAll(String key, Object value) {
Map map = JsonUtils.objectCovertToObject(value, Map.class, String.class, Object.class);
hashOperations().putAll(key, map);
}
/**
* 设置键值并设置过期时间
*
* @param key 键
* @param value 值
* @param timeout 过期时间
* @param unit 过期时间的单位
*/
public void setHashAll(String key, Object value, long timeout, TimeUnit unit) {
this.setHashAll(key, value);
this.setExpire(key, timeout, unit);
}
/**
* 设置键值并设置过期时间(单位秒)
*
* @param key 键
* @param value 值
* @param timeout 过期时间,单位:秒
*/
public void setHashAll(String key, Object value, long timeout) {
this.setHashAll(key, value, timeout, TimeUnit.SECONDS);
}
/**
* 从redis中获取hash类型数据
*
* @param key 缓存中的key
* @return redis 中hash数据
*/
public Map getMapHashAll(String key) {
return hashOperations().entries(key);
}
/**
* 根据指定clazz类型从redis中获取对应的实例
*
* @param key 缓存key
* @param clazz hash对应java类的class
* @param redis中hash对应的java类型
* @return clazz实例
*/
public T getHashAll(String key, Class clazz) {
Map entries = hashOperations().entries(key);
if (ObjectUtils.isEmpty(entries)) {
return null;
}
return JsonUtils.objectCovertToObject(entries, clazz);
}
/**
* 根据key删除缓存
*
* @param key 要删除的key
* @param fields key对应的hash数据的键值(HashKey),可变参数列表
* @return hash删除的属性数量
*/
public Long deleteHashField(String key, String... fields) {
if (ObjectUtils.isEmpty(key) || ObjectUtils.isEmpty(fields)) {
return 0L;
}
return hashOperations().delete(key, (Object[]) fields);
}
/**
* 将value添加至key对应的列表中
*
* @param key 缓存key
* @param value 值
*/
public void listPush(String key, V value) {
listOperations().rightPush(key, value);
}
/**
* 将value添加至key对应的列表中,并添加过期时间
*
* @param key 缓存key
* @param value 值
* @param timeout key的存活时间
* @param unit 时间单位
*/
public void listPush(String key, V value, long timeout, TimeUnit unit) {
listOperations().rightPush(key, value);
this.setExpire(key, timeout, unit);
}
/**
* 将value添加至key对应的列表中,并添加过期时间
* 默认单位是秒(s)
*
* @param key 缓存key
* @param value 值
* @param timeout key的存活时间
*/
public void listPush(String key, V value, long timeout) {
this.listPush(key, value, timeout, TimeUnit.SECONDS);
}
/**
* 将传入的参数列表添加至key的列表中
*
* @param key 缓存key
* @param values 值列表
* @return 存入数据的长度
*/
public Long listPushAll(String key, Collection values) {
return listOperations().rightPushAll(key, values);
}
/**
* 将传入的参数列表添加至key的列表中,并设置key的存活时间
*
* @param key 缓存key
* @param values 值列表
* @param timeout key的存活时间
* @param unit 时间单位
* @return 存入数据的长度
*/
public Long listPushAll(String key, Collection values, long timeout, TimeUnit unit) {
Long count = listOperations().rightPushAll(key, values);
this.setExpire(key, timeout, unit);
return count;
}
/**
* 将传入的参数列表添加至key的列表中,并设置key的存活时间
* 默认单位是秒(s)
*
* @param key 缓存key
* @param values 值列表
* @param timeout key的存活时间
* @return 存入数据的长度
*/
public Long listPushAll(String key, Collection values, long timeout) {
return this.listPushAll(key, values, timeout, TimeUnit.SECONDS);
}
/**
* 根据key获取list列表
*
* @param key 缓存key
* @return key对应的list列表
*/
public Collection getList(String key) {
Long size = listOperations().size(key);
if (size == null || size == 0) {
return null;
}
return listOperations().range(key, 0, (size - 1));
}
/**
* value操作集
*
* @return ValueOperations
*/
private ValueOperations valueOperations() {
return redisTemplate.opsForValue();
}
/**
* hash操作集
*
* @return ValueOperations
*/
private HashOperations hashOperations() {
return redisHashTemplate.opsForHash();
}
/**
* hash操作集
*
* @return ValueOperations
*/
private ListOperations listOperations() {
return redisTemplate.opsForList();
}
}
暂时只提供了string、list、hash的操作,其它的后续在加吧
编写一个测试类测试这个工具类
test目录下
package com.example;
import com.example.entity.Oauth2BasicUser;
import com.example.support.RedisOperator;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.security.core.userdetails.UserDetailsService;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* redis工具类测试
*
* @author vains
*/
@Slf4j
@SpringBootTest
public class RedisOperatorTests {
@Autowired
private RedisOperator redisOperator;
@Autowired
private UserDetailsService userDetailsService;
@Autowired
private RedisOperator userRedisOperator;
@Test
@SneakyThrows
void contextLoads() {
// 默认key
String defaultKey = "testKey";
// 默认缓存值
String defaultValue = "123456";
// key的存活时间
long timeout = 3;
// 操作hash的属性声明
String name = "name";
// 清除key
redisOperator.delete(defaultKey);
// 获取用户信息
Oauth2BasicUser userDetails = (Oauth2BasicUser) userDetailsService.loadUserByUsername("admin");
redisOperator.set(defaultKey, defaultValue);
log.info("根据key:{}存入值{}", defaultKey, defaultValue);
String valueByKey = redisOperator.get(defaultKey);
log.info("根据key:{}获取到值:{}", defaultKey, valueByKey);
String valueByKeyAndDelete = redisOperator.getAndDelete(defaultKey);
log.info("根据key:{}获取到值:{},删除key.", defaultKey, valueByKeyAndDelete);
Long delete = redisOperator.delete(defaultKey);
log.info("删除key:{},删除数量:{}.", defaultKey, delete);
valueByKey = redisOperator.get(defaultKey);
log.info("根据key:{}获取到值:{}", defaultKey, valueByKey);
redisOperator.set(defaultKey, defaultValue, timeout);
log.info("根据key:{}存入值{},存活时长为:{}", defaultKey, defaultValue, timeout);
valueByKey = redisOperator.get(defaultKey);
log.info("根据key:{}获取到值:{}", defaultKey, valueByKey);
// 睡眠,让key失效
TimeUnit.SECONDS.sleep((timeout + 1));
// 重复获取
valueByKey = redisOperator.get(defaultKey);
log.info("线程睡眠后根据失效的key:{}获取到值:{}", defaultKey, valueByKey);
redisOperator.setHashAll(defaultKey, userDetails, timeout);
log.info("根据key:{}存入hash类型值{},存活时间:{}", defaultKey, userDetails, timeout);
Oauth2BasicUser basicUser = redisOperator.getHashAll(defaultKey, Oauth2BasicUser.class);
log.info("根据key:{}获取到hash类型值:{}", defaultKey, basicUser);
// 睡眠,让key失效
TimeUnit.SECONDS.sleep((timeout + 1));
// 重复获取
basicUser = redisOperator.getHashAll(defaultKey, Oauth2BasicUser.class);
log.info("线程睡眠后根据失效的key:{}获取到hash类型值:{}", defaultKey, basicUser);
redisOperator.setHashAll(defaultKey, userDetails, timeout);
log.info("根据key:{}存入hash类型值{},存活时间:{}", defaultKey, userDetails, timeout);
Map mapHashAll = redisOperator.getMapHashAll(defaultKey);
log.info("根据key:{}获取到hash类型值:{}", defaultKey, mapHashAll);
Object field = redisOperator.getHash(defaultKey, name);
log.info("根据key:{}获取到hash类型属性:{}的值:{}", defaultKey, name, field);
Long deleteHashField = redisOperator.deleteHashField(defaultKey, name);
log.info("根据key:{}删除hash类型的{}属性,删除数量:{}", defaultKey, name, deleteHashField);
// 重复获取验证删除
field = redisOperator.getHash(defaultKey, name);
log.info("根据key:{}获取到hash类型属性:{}的值:{}", defaultKey, name, field);
basicUser = redisOperator.getHashAll(defaultKey, Oauth2BasicUser.class);
log.info("根据key:{}获取到hash类型值:{}", defaultKey, basicUser);
redisOperator.setHash(defaultKey, name, userDetails.getName());
log.info("根据key:{}设置hash类型的{}属性,属性值为:{}", defaultKey, name, userDetails.getName());
// 重复获取验证删除
field = redisOperator.getHash(defaultKey, name);
log.info("根据key:{}获取到hash类型属性:{}的值:{}", defaultKey, name, field);
basicUser = redisOperator.getHashAll(defaultKey, Oauth2BasicUser.class);
log.info("根据key:{}获取到hash类型值:{}", defaultKey, basicUser);
// 清除key
redisOperator.delete(defaultKey);
userRedisOperator.listPush(defaultKey, userDetails);
log.info("根据key:{}往list类型数据中添加数据:{}", defaultKey, userDetails);
Collection users = userRedisOperator.getList(defaultKey);
log.info("根据key:{}获取list数据:{}", defaultKey, users);
Long listPushAll = userRedisOperator.listPushAll(defaultKey, List.of(userDetails));
log.info("根据key:{}往list类型数据中添加数据:{},成功添加{}条数据", defaultKey, List.of(userDetails), listPushAll);
users = userRedisOperator.getList(defaultKey);
log.info("根据key:{}获取list数据:{}", defaultKey, users);
userRedisOperator.listPush(defaultKey, userDetails, timeout);
log.info("根据key:{}往list类型数据中添加数据:{},key的存活时间为:{}", defaultKey, userDetails, timeout);
// 睡眠,让key失效
TimeUnit.SECONDS.sleep((timeout + 1));
// 重复获取
users = userRedisOperator.getList(defaultKey);
log.info("线程睡眠后根据失效的key:{}获取到list类型值:{}", defaultKey, users);
Long aLong = userRedisOperator.listPushAll(defaultKey, List.of(userDetails), timeout);
log.info("根据key:{}往list类型数据中添加数据:{},成功添加{}条数据,设置过期时间:{}", defaultKey, List.of(userDetails), aLong, timeout);
}
}
JsonUtils修改Object初始化权限修饰符和静态代码块内容,新内容如下
/**
* 设置为public是为了提供给redis的序列化器
*/
public final static ObjectMapper MAPPER = new ObjectMapper();
static {
// 对象的所有字段全部列入,还是其他的选项,可以忽略null等
MAPPER.setSerializationInclusion(JsonInclude.Include.ALWAYS);
// 取消默认的时间转换为timeStamp格式
MAPPER.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
// 设置Date类型的序列化及反序列化格式
MAPPER.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
// 忽略空Bean转json的错误
MAPPER.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
// 忽略未知属性,防止json字符串中存在,java对象中不存在对应属性的情况出现错误
MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
// 新内容 添加java8序列化支持和新版时间对象序列化支持
MAPPER.registerModule(new Jdk8Module());
MAPPER.registerModule(new JavaTimeModule());
}
测试
组装url发起授权请求
http://127.0.0.1:8080/oauth2/authorize?client_id=messaging-client&response_type=code&scope=message.read&redirect_uri=http%3A%2F%2F127.0.0.1%3A8000%2Flogin%2Foauth2%2Fcode%2Fmessaging-client-oidc
重定向到登录页面
查看redis
登录后重定向至授权确认页面
确认后重定向至回调页面
如果有什么问题请在评论区指出,如果我看到会尽快处理的,谢谢
代码已提交至Gitee:仓库地址