| package org.changneng.framework.frameworkbusiness.repeatCommit;
import java.io.IOException;
import java.lang.reflect.Method;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.changneng.framework.frameworkcore.utils.JacksonUtils;
import org.changneng.framework.frameworkcore.utils.ResponseJson;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.http.HttpStatus;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
public class RepeatCommitInterceptAdapterToken implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
if (handler instanceof HandlerMethod) {
HandlerMethod handlerMethod = (HandlerMethod) handler;
Method method = handlerMethod.getMethod();
CheckRepeatToken isCheck = method.getAnnotation(CheckRepeatToken.class);
String paramRequest = request.getParameter("token");
try{
if(isCheck != null){
//判断token参数是否为空
if(paramRequest == null || "".equals(paramRequest)){
System.out.println("参数为空");
response.setHeader("Content-Type", "application/json;charset=UTF-8");
try {
response.getWriter().write(JacksonUtils.toJsonString(new ResponseJson().failure(HttpStatus.BAD_REQUEST.toString(),"007","不能重复提交","不能重复提交",null)));
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
String uuId = (String) request.getSession().getAttribute("tokenReport");
if(uuId!=null){
synchronized (this) {
String tempUuId = (String) request.getSession().getAttribute("tokenReport");
if(paramRequest.equals(tempUuId)&&!"".equals(tempUuId)){
System.out.println("第一次提交");
request.getSession().removeAttribute("tokenReport");
return true;
}else{
System.out.println("重复提交了");
response.setHeader("Content-Type", "application/json;charset=UTF-8");
try {
response.getWriter().write(JacksonUtils.toJsonString(new ResponseJson().failure(HttpStatus.BAD_REQUEST.toString(),"007","不能重复提交","不能重复提交",null)));
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
}
}else{
System.out.println("重复提交了");
response.setHeader("Content-Type", "application/json;charset=UTF-8");
try {
response.getWriter().write(JacksonUtils.toJsonString(new ResponseJson().failure(HttpStatus.BAD_REQUEST.toString(),"007","不能重复提交","",null)));
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
}
}catch(Exception ex){
ex.printStackTrace();
}
return true;
} /*else {
return super.preHandle(request, response, handler);
}*/
return true;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
throws Exception {
}
}
// 在跳转页面的controller方法中添加 @PutSessionValue ，在新增保存的方法上添加 @CheckRepeatToken 注解即可
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