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    文件類型: .rar
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    發(fā)布日期: 2023-09-24
  • 語言: Java
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資源簡介

java在線答疑系統(tǒng)對于java開發(fā)者和學(xué)習(xí)者來說是很不錯的學(xué)習(xí)資料

資源截圖

代碼片段和文件信息

package?wyy;
import?java.util.Vector;
import?com.opensymphony.xwork2.*;

public?class?AddStuAction?extends?TipAndFenYeAction{
private?String?course; //課程號
private?String?stuNO; //學(xué)生學(xué)號
public?String?getCourse()?{
return?course;
}
public?void?setCourse(String?course)?{
this.course?=?course;
}
public?String?getStuNO()?{
return?stuNO;
}
public?void?setStuNO(String?stuNO)?{
this.stuNO?=?stuNO;
}
@Override
????public?String?execute()throws?Exception{
???? Vector?v?=?new?Vector(); //創(chuàng)建SQL語句向量
???? StringBuilder?sba?=?new?StringBuilder(); //創(chuàng)建用于記錄插入成功學(xué)生學(xué)號的字符串
???? StringBuilder?sbb?=?new?StringBuilder(); //記錄已經(jīng)在該課程下的學(xué)生學(xué)號
???? StringBuilder?sbc?=?new?StringBuilder(); //記錄學(xué)號不存在的字符串
???? String?sno[]?=?stuNO.split(“;“); //將學(xué)號按分號分開
???? int?size?=?sno.length;
???? for(int?i=0;i???? String?no?=?sno[i].trim();
???? String?sql?=?“select?1?from?DY_User?where?UID=“+no;//查詢該學(xué)號對應(yīng)學(xué)生是否存在
???? if(dbu.isExist(sql)){
???? sql?=?“select?1?from?DY_TU?where?UID=“+no+“?and?TGID=“+course;
???? if(dbu.isExist(sql)){ //如果該生已經(jīng)在該課程下
???? sbb.append(no+“;“);
???? }
???? else{
???? sba.append(no+“;“); //該生符合添加條件
???? v.add(“insert?into?DY_TU(UIDTGID)?values?(“
???? +no+““+course+“)“);//將存在的學(xué)號插入數(shù)據(jù)庫的SQL語句
???? }
???? }
???? else{ //學(xué)號不存在的記錄
???? sbc.append(no+“;“);
???? }
???? }
???? if(dbu.update(v)){ //執(zhí)行更新插入數(shù)據(jù)庫
???? message?=?sba.length()>0?“學(xué)號[“+sba.toString()+“]的學(xué)生插入成功
“:““;
???? }
???? message?+=?sbb.length()>0?“學(xué)號[“+sbb.toString()+“]的學(xué)生已經(jīng)在該課程下
“:““;
???? message?+=?sbc.length()>0?“學(xué)號[“+sbc.toString()+“]的學(xué)生不存在,請核對輸入
“:““;
???? return?SUCCESS;
????}
}

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

?????文件???????2032??2009-03-17?13:58??3java在線答疑系統(tǒng)\build\zxdy\addCourse.jsp

?????文件???????2015??2009-01-01?21:44??3java在線答疑系統(tǒng)\build\zxdy\addManage.jsp

?????文件???????2664??2009-03-16?23:53??3java在線答疑系統(tǒng)\build\zxdy\addStu.jsp

?????文件???????1641??2009-01-01?21:42??3java在線答疑系統(tǒng)\build\zxdy\adminChangePwd.jsp

?????文件????????892??2009-03-16?15:10??3java在線答疑系統(tǒng)\build\zxdy\adminIndex.jsp

?????文件???????2712??2008-12-16?21:01??3java在線答疑系統(tǒng)\build\zxdy\adminList.jsp

?????文件???????2770??2009-03-16?13:58??3java在線答疑系統(tǒng)\build\zxdy\adminLogin.jsp

?????文件???????1134??2008-12-15?10:43??3java在線答疑系統(tǒng)\build\zxdy\adminMessage.jsp

?????文件????????342??2008-12-15?10:10??3java在線答疑系統(tǒng)\build\zxdy\adminTop.jsp

?????文件???????2105??2008-12-12?23:01??3java在線答疑系統(tǒng)\build\zxdy\apply.jsp

?????文件???????2373??2008-12-14?00:51??3java在線答疑系統(tǒng)\build\zxdy\applyCourse.jsp

?????文件???????2416??2009-03-16?13:52??3java在線答疑系統(tǒng)\build\zxdy\changeInfo.jsp

?????文件???????2313??2008-12-15?17:07??3java在線答疑系統(tǒng)\build\zxdy\changePwd.jsp

?????文件???????3272??2008-12-16?20:54??3java在線答疑系統(tǒng)\build\zxdy\courseList.jsp

?????文件???????5670??2008-12-16?16:43??3java在線答疑系統(tǒng)\build\zxdy\css\style1.css

?????文件???????6432??2009-03-05?09:37??3java在線答疑系統(tǒng)\build\zxdy\css\style2.css

?????文件????????695??2008-12-15?13:48??3java在線答疑系統(tǒng)\build\zxdy\css\tree.css

?????文件???????6858??2009-03-16?14:21??3java在線答疑系統(tǒng)\build\zxdy\dbconf\db.sql

?????文件????????792??2008-11-18?01:11??3java在線答疑系統(tǒng)\build\zxdy\dbconf\dbconfig.txt

?????文件??????10843??2009-03-17?15:23??3java在線答疑系統(tǒng)\build\zxdy\dbconf\zxdy.sql

?????文件????????789??2008-12-17?23:51??3java在線答疑系統(tǒng)\build\zxdy\detail.jsp

?????文件???????2534??2009-01-01?18:52??3java在線答疑系統(tǒng)\build\zxdy\editCourse.jsp

?????文件????????121??2008-11-16?15:44??3java在線答疑系統(tǒng)\build\zxdy\flag.jsp

?????文件?????????68??2008-12-25?22:34??3java在線答疑系統(tǒng)\build\zxdy\forward.jsp

?????文件??????35745??2008-11-14?21:43??3java在線答疑系統(tǒng)\build\zxdy\images\bottom.jpg

?????文件????????348??2005-11-09?17:39??3java在線答疑系統(tǒng)\build\zxdy\images\cancel.gif

?????文件????????148??2008-11-14?14:45??3java在線答疑系統(tǒng)\build\zxdy\images\check_error.gif

?????文件????????634??2008-11-17?16:37??3java在線答疑系統(tǒng)\build\zxdy\images\check_right.gif

?????文件??????14504??2006-08-01?10:43??3java在線答疑系統(tǒng)\build\zxdy\images\closed.png

?????文件????????988??2008-01-23?02:08??3java在線答疑系統(tǒng)\build\zxdy\images\cmp.gif

............此處省略306個文件信息

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