若依 3.0

RuoYi

2020-07-19 cee572f237cb293e4a9070ef458356bc6daa2105

 ruoyi-framework/src/main/java/com/ruoyi/framework/interceptor/RepeatSubmitInterceptor.java

文件名从 ruoyi/src/main/java/com/ruoyi/framework/interceptor/RepeatSubmitInterceptor.java 修改
@@ -1,55 +1,55 @@
package com.ruoyi.framework.interceptor;

import java.lang.reflect.Method;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.framework.interceptor.annotation.RepeatSubmit;
import com.ruoyi.framework.web.domain.AjaxResult;

/**
 * 防止重复提交拦截器
 * 
 * @author ruoyi
 */
@Component
public abstract class RepeatSubmitInterceptor extends HandlerInterceptorAdapter
{
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
    {
        if (handler instanceof HandlerMethod)
        {
            HandlerMethod handlerMethod = (HandlerMethod) handler;
            Method method = handlerMethod.getMethod();
            RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class);
            if (annotation != null)
            {
                if (this.isRepeatSubmit(request))
                {
                    AjaxResult ajaxResult = AjaxResult.error("不允许重复提交，请稍后再试");
                    ServletUtils.renderString(response, JSONObject.toJSONString(ajaxResult));
                    return false;
                }
            }
            return true;
        }
        else
        {
            return super.preHandle(request, response, handler);
        }
    }

    /**
     * 验证是否重复提交由子类实现具体的防重复提交的规则
     * 
     * @param httpServletRequest
     * @return
     * @throws Exception
     */
    public abstract boolean isRepeatSubmit(HttpServletRequest request);
}
package com.ruoyi.framework.interceptor;



import java.lang.reflect.Method;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

import org.springframework.web.method.HandlerMethod;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.alibaba.fastjson.JSONObject;

import com.ruoyi.common.annotation.RepeatSubmit;

import com.ruoyi.common.core.domain.AjaxResult;

import com.ruoyi.common.utils.ServletUtils;



/**

 * 防止重复提交拦截器

 * 
 * @author ruoyi

 */

@Component

public abstract class RepeatSubmitInterceptor extends HandlerInterceptorAdapter

{

    @Override

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception

    {

        if (handler instanceof HandlerMethod)

        {

            HandlerMethod handlerMethod = (HandlerMethod) handler;

            Method method = handlerMethod.getMethod();

            RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class);

            if (annotation != null)

            {

                if (this.isRepeatSubmit(request))

                {

                    AjaxResult ajaxResult = AjaxResult.error("不允许重复提交，请稍后再试");

                    ServletUtils.renderString(response, JSONObject.toJSONString(ajaxResult));

                    return false;

                }

            }

            return true;

        }

        else

        {

            return super.preHandle(request, response, handler);

        }

    }



    /**

     * 验证是否重复提交由子类实现具体的防重复提交的规则

     * 
     * @param httpServletRequest

     * @return

     * @throws Exception

     */

    public abstract boolean isRepeatSubmit(HttpServletRequest request);

}