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| | | import javax.servlet.http.HttpServletRequest;
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| | | import javax.servlet.http.HttpServletResponse;
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| | | import org.omg.CORBA.Request;
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| | | import com.fgkj.actions.ActionUtil;
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| | | import com.fgkj.dto.ServiceModel;
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| | | public final static String CROSS_DOMAIN_KEY = "44c4a294cb66d13727c14b065dbe8548"; //跨域请求 key
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| | | public void doFilter(ServletRequest req, ServletResponse response,
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| | | public void doFilter(ServletRequest req, ServletResponse resp,
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| | | FilterChain chain) throws IOException, ServletException {
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| | | HttpServletRequest request=(HttpServletRequest)req;
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| | | HttpServletResponse response =(HttpServletResponse)resp;
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| | | String URL=request.getRequestURI();
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| | | request.setCharacterEncoding("UTF-8");
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| | | response.setCharacterEncoding("UTF-8");
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| | | response.setContentType("text/html;charset=utf-8");
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| | | //检测跨域访问的请求
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| | | if(URL != null && URL.endsWith("_ky") && false){
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| | | String key = req.getParameter("key"); //获取校验码
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| | | ServiceModel model = new ServiceModel(); //是否允许访问
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| | | boolean isAlowVisit = false; |
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| | | System.out.println(key+"=="+CROSS_DOMAIN_KEY);
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| | | ServiceModel model = new ServiceModel(); |
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| | | boolean isAlowVisit = false; //是否允许访问
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| | | //System.out.println(key+"=="+CROSS_DOMAIN_KEY);
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| | | if(key != null && CROSS_DOMAIN_KEY.equals(key)){
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| | | isAlowCrossDomain(response);
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| | | //System.out.println("开始休眠500毫秒秒");
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| | | try {
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| | | Thread.sleep(500);
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| | | isAlowVisit = true;
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| | | }else{
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| | | model.setMsg("校验码发送失败");
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| | | model.setMsg("校验码发送失败,key:"+key);
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| | | }
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| | | if(isAlowVisit){
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| | | //通过请求
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| | | chain.doFilter(request, response); //不允许跨域
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| | | chain.doFilter(request, response); //允许跨域
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| | | }else{
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| | | //不能放行的请求
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| | | PrintWriter out = response.getWriter();
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| | | }
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| | | /**
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| | | * 允许跨域访问
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| | | * @param response
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| | | */
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| | | public void isAlowCrossDomain(HttpServletResponse response){
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| | | response.setHeader("Access-Control-Allow-Origin", "*"); //允许跨域访问
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| | | response.setHeader("Access-Control-Allow-Headers", "X-Requested-With,content-type,token");
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| | | response.setHeader("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, PATCH");
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| | | }
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| | | |
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| | | public static void main(String[] args) {
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| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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| | | System.out.println(sdf.format(new Date()));
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