跨域拦截Access-Control-Allow-Origin设置多个origin

com.xgt.config; import javax.servlet.*; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.Arrays; import java.util.HashSet; import java.util.Set; /** * 解决跨域问题 */ public class SimpleCORSFilter implements Filter { public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletResponse response = (HttpServletResponse) res; response.setHeader("Access-Control-Allow-Origin", "http://127.0.0.1:1841"); response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE"); response.setHeader("Access-Control-Max-Age", "3600"); response.setHeader("Access-Control-Allow-Headers", "content-type, x-requested-with"); response.setHeader("Access-Control-Allow-Credentials", "true"); } public void init(FilterConfig filterConfig) {} public void destroy() {} }

 

略微改进，给同局域网的同事访问我的接口，我设置的ip是同事的192.168.1.178，是因为他的ip访问我的接口会遭到拦截，我自己的ip不会被拦截，所以不用设置

package com.xgt.config;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * 解决跨域问题
 */
public class SimpleCORSFilter implements Filter {

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        String []  allowDomain= {"http://127.0.0.1:1841","http://192.168.1.178"};
        Set<String> allowedOrigins= new HashSet<String>(Arrays.asList(allowDomain));
        String originHeader=((HttpServletRequest) req).getHeader("Origin");
        if (allowedOrigins.contains(originHeader)) {
            response.setHeader("Access-Control-Allow-Origin", originHeader);
            response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
            response.setHeader("Access-Control-Max-Age", "3600");
            response.setHeader("Access-Control-Allow-Headers", "content-type, x-requested-with");
            response.setHeader("Access-Control-Allow-Credentials", "true");
        }
        chain.doFilter(req, res);
    }

    public void init(FilterConfig filterConfig) {}

    public void destroy() {}

}

 

跨域拦截Access-Control-Allow-Origin设置多个origin

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