update 日常字符串校验 统一重构到 StringUtils 便于维护扩展

疯狂的狮子li

2021-08-02 f8ab5663ef7220f8adc0fd8fcbd7d0cf84c6d77d

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

@@ -6,7 +6,7 @@
import com.ruoyi.common.utils.ServletUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -15,42 +15,36 @@
/**
 * 防止重复提交拦截器
 *
 * @author ruoyi
 * 移除继承 HandlerInterceptorAdapter 过期类
 * 改为实现 HandlerInterceptor 接口(官方推荐写法)
 *
 * @author Lion Li
 */
@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, JsonUtils.toJsonString(ajaxResult));
                    return false;
                }
            }
            return true;
        }
        else
        {
            return super.preHandle(request, response, handler);
        }
    }
public abstract class RepeatSubmitInterceptor implements HandlerInterceptor {

    /**
     * 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 request
     * @return
     * @throws Exception
     */
    public abstract boolean isRepeatSubmit(HttpServletRequest request);
   @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(annotation, request)) {
               AjaxResult ajaxResult = AjaxResult.error("不允许重复提交，请稍后再试");
               ServletUtils.renderString(response, JsonUtils.toJsonString(ajaxResult));
               return false;
            }
         }
         return true;
      } else {
         return HandlerInterceptor.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
    */
   public abstract boolean isRepeatSubmit(RepeatSubmit annotation, HttpServletRequest request);
}