| 提交 | 用户 | 时间 | ||
| e57a89 | 1 | package com.jcdm.framework.interceptor; |
| 懒 | 2 | |
| 3 | import java.lang.reflect.Method; | |
| 4 | import javax.servlet.http.HttpServletRequest; | |
| 5 | import javax.servlet.http.HttpServletResponse; | |
| 6 | import org.springframework.stereotype.Component; | |
| 7 | import org.springframework.web.method.HandlerMethod; | |
| 8 | import org.springframework.web.servlet.HandlerInterceptor; | |
| 9 | import com.alibaba.fastjson2.JSON; | |
| 10 | import com.jcdm.common.annotation.RepeatSubmit; | |
| 11 | import com.jcdm.common.core.domain.AjaxResult; | |
| 12 | import com.jcdm.common.utils.ServletUtils; | |
| 13 | ||
| 14 | /** | |
| 15 | * 防止重复提交拦截器 | |
| 16 | * | |
| 17 | * @author jc | |
| 18 | */ | |
| 19 | @Component | |
| 20 | public abstract class RepeatSubmitInterceptor implements HandlerInterceptor | |
| 21 | { | |
| 22 | @Override | |
| 23 | public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception | |
| 24 | { | |
| 25 | if (handler instanceof HandlerMethod) | |
| 26 | { | |
| 27 | HandlerMethod handlerMethod = (HandlerMethod) handler; | |
| 28 | Method method = handlerMethod.getMethod(); | |
| 29 | RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class); | |
| 30 | if (annotation != null) | |
| 31 | { | |
| 32 | if (this.isRepeatSubmit(request, annotation)) | |
| 33 | { | |
| 34 | AjaxResult ajaxResult = AjaxResult.error(annotation.message()); | |
| 35 | ServletUtils.renderString(response, JSON.toJSONString(ajaxResult)); | |
| 36 | return false; | |
| 37 | } | |
| 38 | } | |
| 39 | return true; | |
| 40 | } | |
| 41 | else | |
| 42 | { | |
| 43 | return true; | |
| 44 | } | |
| 45 | } | |
| 46 | ||
| 47 | /** | |
| 48 | * 验证是否重复提交由子类实现具体的防重复提交的规则 | |
| 49 | * | |
| 50 | * @param request 请求信息 | |
| 51 | * @param annotation 防重复注解参数 | |
| 52 | * @return 结果 | |
| 53 | * @throws Exception | |
| 54 | */ | |
| 55 | public abstract boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation); | |
| 56 | } | |
