package?com.ssh.filter;

import?java.io.IOException;

import?javax.servlet.Filter;
import?javax.servlet.FilterChain;
import?javax.servlet.FilterConfig;
import?javax.servlet.ServletConfig;
import?javax.servlet.ServletContext;
import?javax.servlet.ServletException;
import?javax.servlet.ServletRequest;
import?javax.servlet.ServletResponse;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?com.stu.entity.User;

public?class?PageFilter?implements?Filter?{

	public?void?destroy（）?{

	}

	public?void?doFilter（ServletRequest?req?ServletResponse?resp
			FilterChain?chain）?throws?IOException?ServletException?{
		HttpServletRequest?request?=?（HttpServletRequest）?req;
		HttpServletResponse?response?=?（HttpServletResponse）?resp;
		request.setCharacterEncoding（“UTF-8“）;
		response.setContentType（“text/html;charset=UTF-8“）;
		
		//判斷請求的URI
		String?uri?=?request.getRequestURI（）;
		
		//訪問系統(tǒng)主頁
		if（uri.contains（“main.jsp“））{
			//判斷session是否失效
			User?user?=?（User）?request.getSession（）.getAttribute（“user“）;
			if（user==null）{
				response.sendRedirect（request.getContextPath（）+“/index.jsp“）;
			}
		}
		
		//訪問除主頁和登錄頁面之外的頁面
		if（!uri.contains（“index.jsp“）?&&?!uri.contains（“main.jsp“））{
			//判斷請求頭是否是直接通過地址欄訪問
			String?referer?=?request.getHeader（“Referer“）;
			if（referer==null）{//如果是從地址欄直接輸入的時候
				response.sendRedirect（request.getContextPath（）+“/index.jsp“）;
			}
		}
		
		chain.doFilter（req?resp）;

	}

	public?void?init（FilterConfig?arg0）?throws?ServletException?{

	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2126??2018-03-28?11:03??ssh學(xué)生管理系統(tǒng)\SQL\stu.sql

?????文件????????607??2018-03-26?15:34??ssh學(xué)生管理系統(tǒng)\stu\.classpath

?????文件????????282??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.mymetadata

?????文件???????1746??2018-03-26?14:30??ssh學(xué)生管理系統(tǒng)\stu\.project

?????文件????????500??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\.jsdtscope

?????文件????????364??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\org.eclipse.jdt.core.prefs

?????文件????????447??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\org.eclipse.wst.common.component

?????文件????????252??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2018-03-26?14:12??ssh學(xué)生管理系統(tǒng)\stu\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????3803??2018-03-28?08:38??ssh學(xué)生管理系統(tǒng)\stu\src\applicationContext.xml

?????文件???????1657??2018-03-28?10:07??ssh學(xué)生管理系統(tǒng)\stu\src\com\ssh\filter\PageFilter.java

?????文件???????1673??2018-03-28?09:40??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\action\SchoolAction.java

?????文件???????2208??2018-03-28?09:28??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\action\StudentAction.java

?????文件???????1333??2018-03-28?10:58??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\action\UserAction.java

?????文件???????1648??2018-03-28?08:40??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\impl\SchoolDaoImpl.java

?????文件???????1476??2018-03-28?09:29??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\impl\StudentDaoImpl.java

?????文件????????666??2018-03-27?09:04??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\impl\UserDaoImpl.java

?????文件????????350??2018-03-28?08:39??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\SchoolDao.java

?????文件????????334??2018-03-28?09:28??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\StudentDao.java

?????文件????????126??2018-03-27?09:03??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\dao\UserDao.java

?????文件????????926??2018-03-27?10:02??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\PageBean.java

?????文件????????666??2018-03-28?09:36??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\School.hbm.xml

?????文件????????702??2018-03-27?08:13??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\School.java

?????文件????????645??2018-03-27?08:18??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\Student.hbm.xml

?????文件????????761??2018-03-27?08:13??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\Student.java

?????文件????????504??2018-03-27?08:16??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\User.hbm.xml

?????文件????????510??2018-03-27?08:11??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\entity\User.java

?????文件???????1829??2018-03-28?08:39??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\service\impl\SchoolServiceImpl.java

?????文件???????1677??2018-03-28?09:28??ssh學(xué)生管理系統(tǒng)\stu\src\com\stu\service\impl\StudentServiceImpl.java

............此處省略216個文件信息