This commit is contained in:
sxu 2025-04-03 14:06:47 +08:00
parent 15555f0072
commit 07ee35397a
4 changed files with 492 additions and 0 deletions

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package com.bonus.canteen.common.annotation;
import java.lang.annotation.*;
/**
* 自定义注解防止表单重复提交
*
*/
@Inherited
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface PreventRepeatSubmit
{
/**
* 间隔时间(s)小于此时间视为重复提交
*/
public int interval() default 5;
/**
* 提示消息
*/
public String message() default "不允许重复提交,请稍候再试";
}

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package com.bonus.canteen.common.aspect;
import com.alibaba.fastjson2.JSON;
import com.bonus.canteen.common.annotation.PreventRepeatSubmit;
import com.bonus.canteen.common.utils.RedisCache;
import com.bonus.common.security.enums.HttpCodeEnum;
import com.bonus.common.security.exception.BusinessException;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
@Aspect
@Component
public class PreventRepeatSubmitAspect {
private static final Logger LOG = LoggerFactory.getLogger(PreventRepeatSubmitAspect.class);
private static final String header = "Authorization";
@Autowired
private RedisCache redisCache;
// 定义一个切入点
@Pointcut("@annotation(com.bonus.canteen.common.annotation.PreventRepeatSubmit)")
public void preventRepeatSubmit() {
}
@Around("preventRepeatSubmit()")
public Object checkPrs(ProceedingJoinPoint pjp) throws Throwable {
LOG.info("进入preventRepeatSubmit切面");
//得到request对象
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
String requestURI = request.getRequestURI();
LOG.info("防重复提交的请求地址:{} ,请求方式:{}",requestURI,request.getMethod());
LOG.info("防重复提交拦截到的类名:{} ,方法:{}",pjp.getTarget().getClass().getSimpleName(),pjp.getSignature().getName());
//获取请求参数
Object[] args = pjp.getArgs();
String argStr = "";
for (int i = 0; i < args.length; i++) {
Object obj = args[i];
try {
if (Objects.nonNull(obj)) {
//这里替换是为了在redis可视化工具中方便查看, argStr=argStr.replace(":","#");
argStr = JSON.toJSONString(obj).replace(":", "#");
}
break;
} catch (Exception e) {
e.printStackTrace();
}
}
// 唯一值没有消息头则使用请求地址
String submitKey = request.getHeader(header).trim();
// 唯一标识指定key + url +参数+token
String cacheRepeatKey = "repeat_submit:" + requestURI+":" +argStr+":"+ submitKey;
MethodSignature ms = (MethodSignature) pjp.getSignature();
Method method=ms.getMethod();
PreventRepeatSubmit preventRepeatSubmit=method.getAnnotation(PreventRepeatSubmit.class);
int interval = preventRepeatSubmit.interval();
LOG.info("获取到preventRepeatSubmit的有效期时间"+interval);
//redis分布式锁
Boolean aBoolean = redisCache.setNxCacheObject(cacheRepeatKey, 1, preventRepeatSubmit.interval(), TimeUnit.SECONDS);
//aBoolean为true则证明没有重复提交
if(!aBoolean){
throw new BusinessException(HttpCodeEnum.REPEATE_ERROR);
}
return pjp.proceed();
}
}

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package com.bonus.canteen.common.utils;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
/**
* http请求方法集
* @Author ma_sh
* @create 2024/10/15 16:05
*/
public class HttpClient {
/**
* 向指定URL发送GET方法的请求
*
* @param url
* 发送请求的URL
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String url, String token) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?whetherToPaginate=" + 0;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
connection.setRequestProperty("Authorization", token);
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream(),"UTF-8"));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
public static String sendGetInfo(String httpUrl, String appId, String ticket) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = httpUrl ;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
connection.setRequestProperty("charsert", "utf-8");
connection.setRequestProperty("ticket", ticket);
connection.setRequestProperty("appId", appId);
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
}

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package com.bonus.canteen.common.utils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundSetOperations;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import java.util.*;
import java.util.concurrent.TimeUnit;
/**
* spring redis 工具类
*
**/
@Component
public class RedisCache
{
@Autowired
public RedisTemplate redisTemplate;
//添加分布式锁
public <T> Boolean setNxCacheObject(final String key, final T value,long lt,TimeUnit tu)
{
return redisTemplate.opsForValue().setIfAbsent(key,value,lt,tu);
}
/**
* 缓存基本的对象IntegerString实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
*/
public <T> void setCacheObject(final String key, final T value)
{
redisTemplate.opsForValue().set(key, value);
}
/**
* 缓存基本的对象IntegerString实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
* @param timeout 时间
* @param timeUnit 时间颗粒度
*/
public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
{
redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @return true=设置成功false=设置失败
*/
public boolean expire(final String key, final long timeout)
{
return expire(key, timeout, TimeUnit.SECONDS);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @param unit 时间单位
* @return true=设置成功false=设置失败
*/
public boolean expire(final String key, final long timeout, final TimeUnit unit)
{
return redisTemplate.expire(key, timeout, unit);
}
/**
* 获取有效时间
*
* @param key Redis键
* @return 有效时间
*/
public long getExpire(final String key)
{
return redisTemplate.getExpire(key);
}
/**
* 判断 key是否存在
*
* @param key
* @return true 存在 false不存在
*/
public Boolean hasKey(String key)
{
return redisTemplate.hasKey(key);
}
/**
* 获得缓存的基本对象
*
* @param key 缓存键值
* @return 缓存键值对应的数据
*/
public <T> T getCacheObject(final String key)
{
ValueOperations<String, T> operation = redisTemplate.opsForValue();
return operation.get(key);
}
/**
* 删除单个对象
*
* @param key
*/
public boolean deleteObject(final String key)
{
return redisTemplate.delete(key);
}
/**
* 删除集合对象
*
* @param collection 多个对象
* @return
*/
public boolean deleteObject(final Collection collection)
{
return redisTemplate.delete(collection) > 0;
}
/**
* 缓存List数据
*
* @param key 缓存的键值
* @param dataList 待缓存的List数据
* @return 缓存的对象
*/
public <T> long setCacheList(final String key, final List<T> dataList)
{
Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
return count == null ? 0 : count;
}
/**
* 获得缓存的list对象
*
* @param key 缓存的键值
* @return 缓存键值对应的数据
*/
public <T> List<T> getCacheList(final String key)
{
return redisTemplate.opsForList().range(key, 0, -1);
}
/**
* 缓存Set
*
* @param key 缓存键值
* @param dataSet 缓存的数据
* @return 缓存数据的对象
*/
public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
{
BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
Iterator<T> it = dataSet.iterator();
while (it.hasNext())
{
setOperation.add(it.next());
}
return setOperation;
}
/**
* 获得缓存的set
*
* @param key
* @return
*/
public <T> Set<T> getCacheSet(final String key)
{
return redisTemplate.opsForSet().members(key);
}
/**
* 缓存Map
*
* @param key
* @param dataMap
*/
public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
{
if (dataMap != null) {
redisTemplate.opsForHash().putAll(key, dataMap);
}
}
/**
* 获得缓存的Map
*
* @param key
* @return
*/
public <T> Map<String, T> getCacheMap(final String key)
{
return redisTemplate.opsForHash().entries(key);
}
/**
* 往Hash中存入数据
*
* @param key Redis键
* @param hKey Hash键
* @param value
*/
public <T> void setCacheMapValue(final String key, final String hKey, final T value)
{
redisTemplate.opsForHash().put(key, hKey, value);
}
/**
* 获取Hash中的数据
*
* @param key Redis键
* @param hKey Hash键
* @return Hash中的对象
*/
public <T> T getCacheMapValue(final String key, final String hKey)
{
HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
return opsForHash.get(key, hKey);
}
/**
* 获取多个Hash中的数据
*
* @param key Redis键
* @param hKeys Hash键集合
* @return Hash对象集合
*/
public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
{
return redisTemplate.opsForHash().multiGet(key, hKeys);
}
/**
* 删除Hash中的某条数据
*
* @param key Redis键
* @param hKey Hash键
* @return 是否成功
*/
public boolean deleteCacheMapValue(final String key, final String hKey)
{
return redisTemplate.opsForHash().delete(key, hKey) > 0;
}
/**
* 获得缓存的基本对象列表
*
* @param pattern 字符串前缀
* @return 对象列表
*/
public Collection<String> keys(final String pattern)
{
return redisTemplate.keys(pattern);
}
}