update 重写 防重提交拦截器 支持全局与注解自定义 拦截时间配置配置 优化逻辑
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@ -107,6 +107,11 @@ token:
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# 令牌有效期(默认30分钟)
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expireTime: 30
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# 重复提交
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repeat-submit:
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# 全局间隔时间(毫秒)
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intervalTime: 1000
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# MyBatisPlus配置
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# https://baomidou.com/config/
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mybatis-plus:
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@ -6,18 +6,24 @@ import java.lang.annotation.Inherited;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.util.concurrent.TimeUnit;
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/**
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* 自定义注解防止表单重复提交
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*
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* @author ruoyi
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*
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* @author Lion Li
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*/
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@Inherited
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@Target(ElementType.METHOD)
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface RepeatSubmit
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{
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public @interface RepeatSubmit {
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/**
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* 默认使用全局配置
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*/
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int intervalTime() default 0;
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TimeUnit timeUnit() default TimeUnit.MILLISECONDS;
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}
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@ -6,7 +6,7 @@ import com.ruoyi.common.utils.JsonUtils;
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import com.ruoyi.common.utils.ServletUtils;
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import org.springframework.stereotype.Component;
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import org.springframework.web.method.HandlerMethod;
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import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
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import org.springframework.web.servlet.HandlerInterceptor;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@ -15,42 +15,36 @@ import java.lang.reflect.Method;
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/**
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* 防止重复提交拦截器
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*
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* @author ruoyi
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* 移除继承 HandlerInterceptorAdapter 过期类
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* 改为实现 HandlerInterceptor 接口(官方推荐写法)
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*
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* @author Lion Li
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*/
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@Component
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public abstract class RepeatSubmitInterceptor extends HandlerInterceptorAdapter
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{
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
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{
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if (handler instanceof HandlerMethod)
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{
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HandlerMethod handlerMethod = (HandlerMethod) handler;
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Method method = handlerMethod.getMethod();
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RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class);
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if (annotation != null)
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{
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if (this.isRepeatSubmit(request))
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{
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AjaxResult ajaxResult = AjaxResult.error("不允许重复提交,请稍后再试");
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ServletUtils.renderString(response, JsonUtils.toJsonString(ajaxResult));
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return false;
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}
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}
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return true;
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}
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else
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{
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return super.preHandle(request, response, handler);
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}
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}
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public abstract class RepeatSubmitInterceptor implements HandlerInterceptor {
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/**
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* 验证是否重复提交由子类实现具体的防重复提交的规则
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*
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* @param request
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* @return
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* @throws Exception
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*/
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public abstract boolean isRepeatSubmit(HttpServletRequest request);
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
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throws Exception {
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if (handler instanceof HandlerMethod) {
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HandlerMethod handlerMethod = (HandlerMethod) handler;
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Method method = handlerMethod.getMethod();
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RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class);
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if (annotation != null) {
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if (this.isRepeatSubmit(annotation, request)) {
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AjaxResult ajaxResult = AjaxResult.error("不允许重复提交,请稍后再试");
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ServletUtils.renderString(response, JsonUtils.toJsonString(ajaxResult));
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return false;
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}
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}
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return true;
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} else {
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return HandlerInterceptor.super.preHandle(request, response, handler);
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}
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}
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/**
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* 验证是否重复提交由子类实现具体的防重复提交的规则
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*/
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public abstract boolean isRepeatSubmit(RepeatSubmit annotation, HttpServletRequest request);
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}
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@ -1,15 +1,19 @@
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package com.ruoyi.framework.interceptor.impl;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.io.IoUtil;
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import cn.hutool.core.lang.Validator;
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import com.ruoyi.common.annotation.RepeatSubmit;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.core.redis.RedisCache;
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import com.ruoyi.common.filter.RepeatedlyRequestWrapper;
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import com.ruoyi.common.utils.JsonUtils;
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import com.ruoyi.framework.config.properties.RepeatSubmitProperties;
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import com.ruoyi.framework.config.properties.TokenProperties;
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import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import javax.servlet.http.HttpServletRequest;
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@ -20,45 +24,34 @@ import java.util.concurrent.TimeUnit;
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/**
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* 判断请求url和数据是否和上一次相同,
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* 如果和上次相同,则是重复提交表单。 有效时间为10秒内。
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* 如果和上次相同,则是重复提交表单。
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*
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* @author ruoyi
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* @author Lion Li
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*/
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@Slf4j
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@RequiredArgsConstructor(onConstructor_ = @Autowired)
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@Component
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public class SameUrlDataInterceptor extends RepeatSubmitInterceptor
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{
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public final String REPEAT_PARAMS = "repeatParams";
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public class SameUrlDataInterceptor extends RepeatSubmitInterceptor {
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public final String REPEAT_PARAMS = "repeatParams";
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public final String REPEAT_TIME = "repeatTime";
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public final String REPEAT_TIME = "repeatTime";
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// 令牌自定义标识
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@Value("${token.header}")
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private String header;
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private final TokenProperties tokenProperties;
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private final RepeatSubmitProperties repeatSubmitProperties;
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private final RedisCache redisCache;
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@Autowired
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private RedisCache redisCache;
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/**
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* 间隔时间,单位:秒 默认10秒
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*
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* 两次相同参数的请求,如果间隔时间大于该参数,系统不会认定为重复提交的数据
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*/
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private int intervalTime = 10;
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public void setIntervalTime(int intervalTime)
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{
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this.intervalTime = intervalTime;
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}
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@SuppressWarnings("unchecked")
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@Override
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public boolean isRepeatSubmit(HttpServletRequest request)
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{
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String nowParams = "";
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if (request instanceof RepeatedlyRequestWrapper)
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{
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RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;
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@SuppressWarnings("unchecked")
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@Override
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public boolean isRepeatSubmit(RepeatSubmit repeatSubmit, HttpServletRequest request) {
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// 如果注解不为0 则使用注解数值
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long intervalTime = repeatSubmitProperties.getIntervalTime();
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if (repeatSubmit.intervalTime() > 0) {
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intervalTime = repeatSubmit.timeUnit().toMillis(repeatSubmit.intervalTime());
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}
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String nowParams = "";
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if (request instanceof RepeatedlyRequestWrapper) {
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RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;
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try {
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nowParams = IoUtil.readUtf8(repeatedlyRequest.getInputStream());
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} catch (IOException e) {
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@ -66,68 +59,57 @@ public class SameUrlDataInterceptor extends RepeatSubmitInterceptor
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}
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}
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// body参数为空,获取Parameter的数据
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if (Validator.isEmpty(nowParams))
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{
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nowParams = JsonUtils.toJsonString(request.getParameterMap());
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}
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Map<String, Object> nowDataMap = new HashMap<String, Object>();
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nowDataMap.put(REPEAT_PARAMS, nowParams);
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nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());
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// body参数为空,获取Parameter的数据
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if (Validator.isEmpty(nowParams)) {
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nowParams = JsonUtils.toJsonString(request.getParameterMap());
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}
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Map<String, Object> nowDataMap = new HashMap<String, Object>();
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nowDataMap.put(REPEAT_PARAMS, nowParams);
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nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());
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// 请求地址(作为存放cache的key值)
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String url = request.getRequestURI();
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// 请求地址(作为存放cache的key值)
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String url = request.getRequestURI();
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// 唯一值(没有消息头则使用请求地址)
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String submitKey = request.getHeader(header);
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if (Validator.isEmpty(submitKey))
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{
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submitKey = url;
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}
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// 唯一值(没有消息头则使用请求地址)
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String submitKey = request.getHeader(tokenProperties.getHeader());
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if (Validator.isEmpty(submitKey)) {
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submitKey = url;
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}
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// 唯一标识(指定key + 消息头)
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String cacheRepeatKey = Constants.REPEAT_SUBMIT_KEY + submitKey;
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// 唯一标识(指定key + 消息头)
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String cacheRepeatKey = Constants.REPEAT_SUBMIT_KEY + submitKey;
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Object sessionObj = redisCache.getCacheObject(cacheRepeatKey);
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if (sessionObj != null)
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{
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Map<String, Object> sessionMap = (Map<String, Object>) sessionObj;
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if (sessionMap.containsKey(url))
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{
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Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
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if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap))
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{
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return true;
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}
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}
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}
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Map<String, Object> cacheMap = new HashMap<String, Object>();
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cacheMap.put(url, nowDataMap);
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redisCache.setCacheObject(cacheRepeatKey, cacheMap, intervalTime, TimeUnit.SECONDS);
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return false;
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}
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Object sessionObj = redisCache.getCacheObject(cacheRepeatKey);
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if (sessionObj != null) {
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Map<String, Object> sessionMap = (Map<String, Object>) sessionObj;
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if (sessionMap.containsKey(url)) {
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Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
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if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap, intervalTime)) {
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return true;
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}
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}
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}
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Map<String, Object> cacheMap = new HashMap<String, Object>();
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cacheMap.put(url, nowDataMap);
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redisCache.setCacheObject(cacheRepeatKey, cacheMap, Convert.toInt(intervalTime), TimeUnit.MILLISECONDS);
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return false;
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}
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/**
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* 判断参数是否相同
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*/
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private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap)
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{
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String nowParams = (String) nowMap.get(REPEAT_PARAMS);
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String preParams = (String) preMap.get(REPEAT_PARAMS);
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return nowParams.equals(preParams);
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}
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/**
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* 判断参数是否相同
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*/
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private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap) {
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String nowParams = (String) nowMap.get(REPEAT_PARAMS);
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String preParams = (String) preMap.get(REPEAT_PARAMS);
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return nowParams.equals(preParams);
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}
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/**
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* 判断两次间隔时间
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*/
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private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap)
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{
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long time1 = (Long) nowMap.get(REPEAT_TIME);
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long time2 = (Long) preMap.get(REPEAT_TIME);
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if ((time1 - time2) < (this.intervalTime * 1000))
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{
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return true;
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}
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return false;
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}
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/**
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* 判断两次间隔时间
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*/
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private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap, long intervalTime) {
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long time1 = (Long) nowMap.get(REPEAT_TIME);
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long time2 = (Long) preMap.get(REPEAT_TIME);
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return (time1 - time2) < intervalTime;
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}
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}
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