📄 studentabilitydao.java
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package com.comingnet.bean;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import com.db.DBUtils;
public class StudentAbilityDAO {
private Connection conn ;
private PreparedStatement pstmt ;
private ResultSet rs ;
public StudentAbility queryById(int stuid){
String sqlStr = "select * from stu_ability where stuid=?" ;
StudentAbility sa = new StudentAbility() ;
try{
conn = DBUtils.getConnection() ;
pstmt = conn.prepareStatement(sqlStr) ;
pstmt.setInt(1, stuid) ;
rs = pstmt.executeQuery() ;
while (rs.next()){
sa.setAbid(rs.getInt("abid")) ;
sa.setStuid(rs.getInt("stuid")) ;
sa.setAbdy(rs.getString("abdy")) ;
sa.setAbmy(rs.getString("abmy")) ;
sa.setAbty(rs.getString("abty")) ;
sa.setAbzh(rs.getString("abzh")) ;
}
DBUtils.closeResultSet(rs) ;
DBUtils.closeStatement(pstmt) ;
}catch(Exception e){
System.out.println("StudentAbilityDAO.exception------------->"+e) ;
}finally{
DBUtils.closeResultSet(rs) ;
DBUtils.closeStatement(pstmt) ;
DBUtils.closeConnection(conn) ;
}
return sa ;
}
}
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