数据库课程设计(文档和源代码).rar

package bookshop.utils; import java.sql.ResultSet; import java.util.Date; public class Users extends Execute_DB { //定义成员变量 private int userID; //用户ID private String usrName; //用户登录名 private String passwd; //用户登录密码 private String createTime; //用户账号创建时间 private String realName; //用户真实姓名 private String telephone; //用户电话 private String email; //用户邮箱 private int sysRole; //用户具有的权限 private String sql; //要执行的sql语句 //初始化成员变量 public Users() { this.userID = 0; this.usrName = ""; this.passwd = ""; this.sysRole = 0; this.realName = ""; this.telephone = ""; this.email = ""; Date nowTime = new Date(); this.createTime = nowTime.toString(); this.sql = ""; } //向users数据表中插入一条记录 public boolean add_user() { System.out.println("开始插入--->"); // String sqltest = "select * from users;"; //if (super.exeSql(sqltest)) { // System.out.println("执行成功！"); // }else System.out.println("插入失败！！！！"); // System.out.println("插入结束!---"); this.sql = "insert into users (userName ,password ,sysRole ,realName ,telephone ,email) values ('" + this.getUsrName() + "',"; this.sql += "'" + this.getPasswd() + "',"; this.sql += this.sysRole + ","; this.sql += "'" + this.getRealName() + "',"; this.sql += "'" + this.getTelephone() + "',"; this.sql += "'" + this.getEmail() + "'";//,"; // this.sql += "'" + this.getCreateTime() + "'"; this.sql += ")"; // String sqltest = "insert into users (userName,password,sysRole,realName,telephone,email,createTime)" // + " values ('" + this.getUsrName() + "','" + this.getPasswd() + "'," + this.getSysRole() + ",'" + this.getRealName() // + "','" + this.getTelephone() + "','" + this.getEmail() + "','" + this.getCreateTime() + "')"; System.out.println("执行的此处了！"); // sql = "insert into users (userName,password,realName) values('zk12fsdfa3','12344abc','ZAJSH')"; // this.sql = sqltest; boolean isInsertSuccess = super.exeSql(this.sql); // boolean isInsertSuccess = super.exeSql(this.sql); System.out.println(isInsertSuccess); System.out.println("sql执行完毕！"); return isInsertSuccess; } //验证用户名，密码和用户身份信息是否正确 public boolean user_valid() { this.sql = "select userName,password,sysRole from users "; this.sql += "where userName='" + this.getUsrName() + "'"; this.sql += "and password='" + this.getPasswd() + "'"; this.sql += "and sysRole=" + this.getSysRole(); try { ResultSet rs = super.exeSqlQuery(this.sql); if (rs.next()) { System.out.println(rs.getString(1)); return true; } else { System.out.println("验证失败！"); return false; } } catch (Exception ex) { System.out.println(ex.toString()); System.out.println("查询失败！"); return false; } } //判断用户名是否存在 public boolean is_exist() { this.sql = "select * from users "; this.sql += "where userName='" + this.getUsrName() + "'"; try { ResultSet rs = super.exeSqlQuery(this.sql); if (rs.next()) { return true; } else { return false; } } catch (Exception ex) { System.out.println(ex.toString()); return false; } } //修改成员变量userID对应的用户信息 public boolean modify_info() { this.sql = "update users set "; this.sql += "realName='" + this.getRealName() + "',"; this.sql += "telephone='" + this.getTelephone() + "',"; this.sql += "email='" + this.getEmail() + "' where userID=" + this.userID; boolean isUpdate = super.exeSql(this.sql); return isUpdate; } //修改类成员变量userID对应的用户密码 public boolean modify_password() { this.sql = "update users set "; this.sql += "password='" + this.getPasswd() + "'"; this.sql += " where userID=" + this.getUserID(); boolean isUpdate = super.exeSql(this.sql); return isUpdate; } //获取成员变量userID对应的用户信息 public boolean init() { this.sql = "select * from users where userID="; this.sql += this.getUserID(); try { ResultSet rs = super.exeSqlQuery(this.sql); if (rs.next()) { this.setUsrName(rs.getString("userName")); this.setPasswd(rs.getString("password")); this.setRealName(rs.getString("realName")); this.setEmail(rs.getString("email")); this.setCreateTime(rs.getString("createTime")); this.setSysRole(rs.getInt("sysRole")); this.setUserID(rs.getInt("userID")); return true; } else { return false; } } catch (Exception ex) { System.out.println(ex.toString()); return false; } } //获取userName对应的用户信息 public boolean init(String userName) { this.sql = "select * from users where userName like '" + userName + "'"; try { ResultSet rs = super.exeSqlQuery(this.sql); if (rs.next()) { this.userID = rs.getInt("userID"); System.out.println(userID); this.setUsrName(rs.getString("userName")); this.setPasswd(rs.getString("password")); this.setRealName(rs.getString("realName")); this.setEmail(rs.getString("email")); this.setCreateTime(rs.getString("createTime")); int sysRole1 = rs.getInt("sysRole"); this.setSysRole(sysRole1); // this.setUserID(UserID); System.out.println(this); return true; } else { return false; } } catch (Exception ex) { System.out.println(ex.toString()); return false; } } //获取所有普通用户信息，返回一个ResultSet类型对象 public ResultSet show_users() { //this.sql = "select * from users "; // this.sql += "where sysRole=" + this.getSysRole(); this.sql = "select * from users"; ResultSet rs = null; try { rs = super.exeSqlQuery(this.sql); } catch (Exception ex) { System.out.println(ex.toString()); } return rs; } /** * @param usrName the usrName to set */ public void setUsrName(String usrName) { this.usrName = usrName; } /** * @param passwd the passwd to set */ public void setPasswd(String passwd) { this.passwd = passwd; } /** * @param createTime the createTime to set */ public void setCreateTime(String createTime) { this.createTime = createTime; } /** * @param realName the realName to set */ public void setRealName(String realName) { this.realName = realName; } /** * @param telephone the telephone to set */ public void setTelephone(String telephone) { this.telephone = telephone; } /** * @param email the email to set */ public void setEmail(String email) { this.email = email; } /** * @return the usrNam