📄 modifypwddao.java
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package dao;
import java.sql.SQLException;
public class ModifyPwdDao {
private String account;
private String oldpwd;
private String newpwd;
private BasicDao dao;
public ModifyPwdDao(String account, String oldpwd, String newpwd){
this.account = account;
this.oldpwd = oldpwd;
this.newpwd = newpwd;
dao = new BasicDao();
}
public int modifyPwd(){
String sql = "update user set password='" + newpwd + "' where account='" + account + "' and password='" + oldpwd + "'";
int result = 0;
try {
result = dao.executeString(sql);
} catch (SQLException e) {
e.printStackTrace();
}finally{
dao.closeAll();
}
return result;
}
}
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