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本代碼javaee開發的web項目，在線投票管理系統，實現用戶在線投票，管理員管理統計投票結果，創建投票，增刪改查功能

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代碼片段和文件信息 

package?com.bean;

/**
?*?
?*?管理員登陸?修改密碼?登陸記錄查詢?通用類文件
?*?
?*/

import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.text.SimpleDateFormat;
import?java.util.ArrayList;
import?java.util.Calendar;
import?java.util.List;

import?com.util.Constant;
import?com.util.DBO;

public?class?AdminBean?{

	private?List?list;
	private?ResultSet?rs?=?null;
	private?int?EVERYPAGENUM?=?2;
	private?int?count?=?-1;
	private?int?qq?=?0;
	private?String?sql=“select?count（*）?from?adminlog“;
	private?String?sql2=“select?*?from?adminlog?order?by?id?desc?“;
	//聲明時間變量
	String?date=new?SimpleDateFormat（“yyyy-MM-dd?HH:mm:ss“）.format（Calendar.getInstance（）.getTime（））;
	
	//分頁查詢登陸日志
	public?void?setEVERYPAGENUM（int?EVERYPAGENUM）{
????	this.EVERYPAGENUM=EVERYPAGENUM;
????}
????public?int?getMessageCount（）?{?//得到信息總數
???????DBO?dbo=new?DBO（）;
???????dbo.open（）;
????????try?{?
????????????rs?=?dbo.executeQuery（sql）;
????????????rs.next（）;
????????????count?=?rs.getInt（1）;
????????????return?count;
????????}?catch?（SQLException?ex）?{
????????????ex.printStackTrace（）;
????????????return?-1;
????????}?finally?{
????????????dbo.close（）;
????????}
????}
????public?int?getPageCount（）?{?//得到共多少頁（根據每頁要顯示幾條信息）
????????if?（count?%?EVERYPAGENUM?==?0）?{
????????????return?count?/?EVERYPAGENUM;
????????}?else?{
????????????return?count?/?EVERYPAGENUM?+?1;
????????}
????}
????public?List?getMessage（int?page）?{?//得到每頁要顯示的信息
????????DBO?dbo=new?DBO（）;
????????dbo.open（）;
????????List?list?=?new?ArrayList（）;
????????try?{
????????????rs?=?dbo.executeQuery（sql2）;
????????????for?（int?i?=?0;?i?????????????????rs.next（）;
????????????}
????????????for?（int?t?=?0;?t?????????????????if?（rs.next（））?{
????????????????????qq++;
????????????????????List?list2=new?ArrayList（）;
????????????????????list2.add（rs.getString（“id“））;
????				list2.add（rs.getString（“username“））;
????				list2.add（rs.getString（“password“））;
????				list2.add（rs.getString（“logintime“））;
????				list2.add（rs.getString（“loginip“））;
????				list2.add（rs.getString（“useros“））;
????				list2.add（rs.getString（“ok“））;
????				list.add（list2）;
????????????????}?else?{
????????????????????break;?//減少空循環的時間
????????????????}
????????????}
????????????return?list;
????????}?catch?（SQLException?ex）?{
????????????ex.printStackTrace（）;
????????????return?null;
????????}?finally?{
????????????dbo.close（）;
????????}
????}
	//管理員登錄?更新登錄次數?寫登錄日志
	public?int?adminLogin（String?usernameString?md5passwordString?passwordString?loginipString?useros）{
		String?sql?=?“select?*?from?admin?where?username?=?‘“+username+“‘?and?isuse=‘1‘“;
		String?sql2?=?“insert?into?adminlog（usernamepasswordlogintimeloginipuserosok）?values（‘“+username+“‘‘“+md5password+“‘‘“+date+“‘‘“+loginip+“‘‘“+useros+“‘‘true‘）“;
		String?sql3?=?“insert?into?adminlog（usernamepasswordlogintimeloginipuserosok）?valu

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-03?11:12??投票系統\
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\
?????文件????????2354??2017-05-05?17:14??投票系統\tpxt\.classpath
?????目錄???????????0??2018-09-03?11:13??投票系統\tpxt\.myeclipse\
?????文件?????????285??2017-02-26?11:25??投票系統\tpxt\.mymetadata
?????文件?????????250??2012-05-11?18:16??投票系統\tpxt\.mystrutsdata
?????文件????????1830??2017-05-05?17:16??投票系統\tpxt\.project
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\.settings\
?????文件?????????500??2017-05-05?17:16??投票系統\tpxt\.settings\.jsdtscope
?????文件?????????303??2017-05-05?17:14??投票系統\tpxt\.settings\org.eclipse.jdt.core.prefs
?????文件?????????450??2017-05-05?17:14??投票系統\tpxt\.settings\org.eclipse.wst.common.component
?????文件?????????252??2017-05-05?17:16??投票系統\tpxt\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-05-05?17:16??投票系統\tpxt\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-05-05?17:16??投票系統\tpxt\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\WebRoot\
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\WebRoot\FCKeditor\
?????文件?????????835??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\default.jsp
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\WebRoot\FCKeditor\editor\
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\
?????目錄???????????0??2018-09-03?11:12??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\
?????文件????????3875??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckcontextmenu.js
?????文件????????1422??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckdocumentfragment_gecko.js
?????文件????????1728??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckdocumentfragment_ie.js
?????文件???????12153??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckdomrange.js
?????文件????????2032??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckdomrange_gecko.js
?????文件????????4460??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckdomrange_ie.js
?????文件????????7691??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckeditingarea.js
?????文件????????1517??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckelementpath.js
?????文件???????16356??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckenterkey.js
?????文件????????1414??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckevents.js
?????文件????????2980??2012-05-11?18:39??投票系統\tpxt\WebRoot\FCKeditor\editor\_source\classes\fckicon.js
............此處省略780個文件信息

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