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package info.xiaomo.core.filter;

import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 把今天最好的表现当作明天最新的起点．．～
 * いま 最高の表現 として 明日最新の始発．．～
 * Today the best performance  as tomorrow newest starter!
 * Created by IntelliJ IDEA.
 *
 * @author: xiaomo
 * @github: https://github.com/houko
 * @email: hupengbest@163.com
 * @QQ_NO: 83387856
 * @Date: 2016/4/1516:25
 * @Description:
 * @Copyright(©) 2015 by xiaomo.
 **/
@Component
public class CORSFilter implements Filter {


    /**
     * 初始化
     *
     * @param filterConfig filterConfig
     * @throws ServletException ServletException
     */
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    /**
     * CORS 过滤器
     *
     * @param req   rq
     * @param res   res
     * @param chain chin
     * @throws IOException      IOException
     * @throws ServletException ServletException
     */
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "Origin, Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Access-Control-Request-Headers, If-Modified-Since");
        chain.doFilter(req, res);
    }


    /**
     * 销毁对象
     */
    public void destroy() {
    }
}

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package info.xiaomo.website;

import info.xiaomo.core.filter.CORSFilter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * 把今天最好的表现当作明天最新的起点．．～
 * いま 最高の表現 として 明日最新の始発．．～
 * Today the best performance  as tomorrow newest starter!
 * Created by IntelliJ IDEA.
 *
 * @author: xiaomo
 * @github: https://github.com/houko
 * @email: hupengbest@163.com
 * @QQ_NO: 83387856
 * @Date: 2016/4/1 15:38
 * @Description: 后台管理启动器
 * @Copyright(©) 2015 by xiaomo.
 **/
@Configuration
@EnableAutoConfiguration
@ComponentScan("info.xiaomo")
@EntityScan("info.xiaomo.*.model")
@EnableTransactionManagement
@EnableJpaRepositories("info.xiaomo.*.dao")
@RestController
public class XiaomoMain {

    public static void main(String[] args) throws Exception {
        SpringApplication.run(XiaomoMain.class, args);
    }

    @Bean
    public CORSFilter corsFilter() {
        return new CORSFilter();
    }

    @RequestMapping("/")
    String index() {
        return "Hello World! this is website index";
    }
}