Python 官方文档:入门教程 => 点击学习
目录一、前言二、示例一、前言 最近测试提某些接口重复提交的问题,想了下应该不止是前端点击之后按钮不可点击的问题,后端应该根据登录token、操作方法、参数做多层的判断。 二、示例 切
最近测试提某些接口重复提交的问题,想了下应该不止是前端点击之后按钮不可点击的问题,后端应该根据登录token、操作方法、参数做多层的判断。
切片代码
@Slf4j
@Aspect
@Component
public class apiIdempotentAspect {
@Resource
RedisUtil redisUtil;
@Resource
UserUtils userUtils;
@Pointcut("@annotation(com.xx.anno.ApiIdempotent)")
private void pointCut() {
}
@Before("pointCut()")
public void doPoint(JoinPoint joinPoint) {
String action = joinPoint.getSignature().getDeclaringTypeName()
.substring(joinPoint.getSignature().getDeclaringTypeName().lastIndexOf(".")+1)
+ "::" + joinPoint.getSignature().getName();
String args = JSON.tojsONString(joinPoint.getArgs());
String token = userUtils.getAuthToke().replace("-","")
.replace("Bearer ","");
String idempotenTKEy = "api::idempotent::"+token+"::"+action;
//短时间内没进行相似操作
if(redisUtil.hasKey(idempotentKey)){
//接口参数是否一致
String idempotentValue = redisUtil.getCacheObject(idempotentKey);
log.info("idempotentValue : {}",idempotentValue);
if(args.equals(idempotentValue)){
throw new BusinessException("请勿重复操作");
}
} else{
//30s内禁止重复操作
redisUtil.setCacheObject(idempotentKey,args,30, TimeUnit.SECONDS);
}
}
}
用到一个redisutil
@Component
public class RedisUtil {
@Resource
public RedisTemplate redisTemplate;
public <T> void setCacheObject(final String key, final T value)
{
redisTemplate.opsForValue().set(key, value);
}
public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
{
redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
}
public boolean expire(final String key, final long timeout)
{
return expire(key, timeout, TimeUnit.SECONDS);
}
public boolean expire(final String key, final long timeout, final TimeUnit unit)
{
return redisTemplate.expire(key, timeout, unit);
}
public <T> T getCacheObject(final String key)
{
ValueOperations<String, T> operation = redisTemplate.opsForValue();
return operation.get(key);
}
public boolean deleteObject(final String key)
{
return redisTemplate.delete(key);
}
public long deleteObject(final Collection collection)
{
return redisTemplate.delete(collection);
}
public <T> long setCacheList(final String key, final List<T> dataList)
{
Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
return count == null ? 0 : count;
}
public <T> List<T> getCacheList(final String key)
{
return redisTemplate.opsForList().range(key, 0, -1);
}
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;
}
public <T> Set<T> getCacheSet(final String key)
{
return redisTemplate.opsForSet().members(key);
}
public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
{
if (dataMap != null) {
redisTemplate.opsForHash().putAll(key, dataMap);
}
}
public <T> Map<String, T> getCacheMap(final String key)
{
return redisTemplate.opsForHash().entries(key);
}
public <T> void setCacheMapValue(final String key, final String hKey, final T value)
{
redisTemplate.opsForHash().put(key, hKey, value);
}
public <T> T getCacheMapValue(final String key, final String hKey)
{
HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
return opsForHash.get(key, hKey);
}
public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
{
return redisTemplate.opsForHash().multiGet(key, hKeys);
}
public Collection<String> keys(final String pattern)
{
return redisTemplate.keys(pattern);
}
public boolean hasKey(final String key){
return redisTemplate.hasKey(key);
}
}
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