java項(xiàng)目實(shí)-科研信息發(fā)布平臺(tái).zip

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發(fā)布日期: 2023-10-02
語(yǔ)言: Java
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這個(gè)是我大一的時(shí)候的一個(gè)練習(xí)的項(xiàng)目，使用的是Servlet+JSP的方法，比較適合初學(xué)的人員參考一下，當(dāng)然代碼中還有不完善的地方，畢竟當(dāng)時(shí)寫(xiě)的代碼還是有些稚嫩，不過(guò)學(xué)習(xí)的價(jià)值還是有的。喜歡的小伙伴可以拿去參考學(xué)習(xí)！

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package?cn.edu.bit.business;

import?java.sql.Connection;
import?java.sql.ResultSet;
import?java.sql.Statement;
import?java.util.ArrayList;

import?cn.edu.bit.DBQuery.DataProcess;
import?cn.edu.bit.object.Manager;

/**
?*?
?*?@author?liuyu?2007-7-21
?*/
public?class?Admin_Manager?{

	public?static?boolean?CheckAdmin（String?username?String?password）?{
		String?query?=?“select?count（*）?from?admin?where?admin.name=‘“
				+?username?+?“‘?and?admin.password=‘“?+?password?+?“‘“;

		int?count?=?DataProcess.nCount（query）;

		if?（count?>?0）?{
			return?true;
		}?else
			return?false;
	}

	/**
	?*?
	?*?@param?username
	?*?@return
	?*/
	public?static?boolean?HasAdmin（String?username）?{
		String?query?=?“select?count（*）?from?admin?where?admin.name=‘“
				+?username?+?“‘“;

		int?count?=?DataProcess.nCount（query）;

		if?（count?>?0）?{
			return?true;
		}?else
			return?false;
	}

	/**
	?*?
	?*?@param?username
	?*?@param?password
	?*/
	public?static?void?add_Admin（String?username?String?password）?{

		String?query?=?“insert?into?admin（admin.nameadmin.password）?values（‘“
				+?username?+?“‘‘“?+?password?+?“‘）“;

		try?{
			DataProcess.ExeQuery（query）;
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
	}

	public?static?void?Edit_Admin（String?username?String?password）?{
		String?query?=?“update?admin?set?admin.password=‘“?+?password
				+?“‘?where?admin.name=‘“?+?username?+?“‘“;

		try?{
			DataProcess.ExeQuery（query）;
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
	}

	/**
	?*?
	?*?@param?username
	?*/
	public?static?void?Delete_Admin（String?username）?{
		String?query?=?“delete?from?admin?where?admin.name=‘“?+?username?+?“‘“;
		System.out.println（query）;
		try?{
			DataProcess.ExeQuery（query）;
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
	}

	/**
	?*?
	?*?@param?username
	?*?@return
	?*/
	public?static?Manager?getManager（String?username）?{
		String?selectStr?=?“select?*?from?admin?where?admin.name=‘“?+?username
				+?“‘“;

		Connection?con?=?DataProcess.getConnection（）;

		Manager?ma?=?Manager.getInstance（）;

		try?{

			Statement?stmt?=?con.createStatement（）;

			ResultSet?rs?=?stmt.executeQuery（selectStr）;

			if?（rs.next（））?{
				String?password?=?rs.getString（“admin.password“）;

				ma.setUsername（username）;

				ma.setPassword（password）;
			}

			rs.close（）;

			stmt.close（）;

			con.close（）;

			return?ma;

		}?catch?（Exception?e）?{
			e.printStackTrace（）;

			return?null;
		}
	}

	/**
	?*?
	?*?@return
	?*/
	public?static?ArrayList?getManagerList（）?{
		String?query?=?“select?*?from?admin“;

		Connection?con?=?DataProcess.getConnection（）;

		ArrayList?al?=?new?ArrayList（）;

		try?{

			Statement?stmt?=?con.createStatement（）;

			ResultSet?rs?=?stmt.executeQuery（query）;

			while?（rs.next（））?{
				String?username?=?rs.getString（“admin.name“）;

				String?password?=?rs.getString（“admin.pa

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\
?????文件????????1766??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.classpath
?????目錄???????????0??2014-10-26?12:58??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.myeclipse\
?????文件?????????282??2019-05-29?10:30??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.mymetadata
?????文件????????1276??2019-05-29?10:30??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.project
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.settings\
?????文件??????????88??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\.settings\org.eclipse.core.resources.prefs
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\
?????文件????????3308??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Admin_Manager.java
?????文件????????1729??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Grade_Manager.java
?????文件????????1764??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\News_Manager.java
?????文件????????2337??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Note_Manager.java
?????文件????????2928??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Project_Manager.java
?????文件????????3581??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Student_Manager.java
?????文件????????3932??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\business\Teacher_Manager.java
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\DBQuery\
?????文件????????2243??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\DBQuery\DataProcess.java
?????目錄???????????0??2019-01-02?11:04??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\
?????文件?????????637??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Grade.java
?????文件?????????791??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Manager.java
?????文件????????3259??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\News.java
?????文件????????1333??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Note.java
?????文件????????3496??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Pageable.java
?????文件????????1096??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Project.java
?????文件????????1178??2007-11-19?10:18??java項(xiàng)目實(shí)例子-科研信息發(fā)布平臺(tái)\03\Lab\src\cn\edu\bit\object\Student.java
............此處省略272個(gè)文件信息

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java項(xiàng)目實(shí)-科研信息發(fā)布平臺(tái).zip

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