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39 lines
1.2 KiB
39 lines
1.2 KiB
package filter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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/**
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* 系统管理员过滤
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* @author Mingyue
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*
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*/
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public class AdminFilter implements Filter {
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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HttpServletRequest req = (HttpServletRequest) request;
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HttpSession session = req.getSession();
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if(session == null || session.getAttribute("admin") == null) {
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HttpServletResponse rep = (HttpServletResponse)response;
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PrintWriter out =response.getWriter();
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// iframe父页面直接跳转到登录界面
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out.print("<script>window.parent.location.href='"+ req.getContextPath() +"/adminLogin.html'</script>");
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}
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chain.doFilter(request, response);
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}
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}
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