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  • Java解决跨域

    // java 代码
    import
    java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletResponse; public class SimpleCORSFilter implements Filter{ @Override public void destroy() { } @Override 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", "x-requested-with"); chain.doFilter(req, res); } @Override public void init(FilterConfig arg0) throws ServletException { } }
    // web.xml
    
    <filter>  
          <filter-name>cors</filter-name> 
         <filter-class>com.ssm.web.filter.SimpleCORSFilter</filter-class>  
    </filter>  
    <filter-mapping>  
          <filter-name>cors</filter-name>  
          <url-pattern>/*</url-pattern>  
    </filter-mapping>
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  • 原文地址:https://www.cnblogs.com/lyt520/p/15126906.html
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