split(","); public static int getNum(int start, int end) { return (int) (Math.random() * (end - start + 1) + start); } public static String getTel() { int index = getNum(0, telFirst.length - 1); String first = telFirst[index]; String second = String.valueOf(getNum(1,...
}publicstaticString getTel() {intindex = getNum(0, telFirst.length -1); String first=telFirst[index]; String second= String.valueOf(getNum(1,888) +10000).substring(1); String third= String.valueOf(getNum(1,9100) +10000).substring(1);returnfirst + second +third; } 模拟随机产生出生...
int index=random.nextInt(Surname.length-1); str = Surname[index]; //获得一个随机的姓氏 return str; } // getChineseGivenName方法具体实现如下 public static String getChineseGivenName() { String str = null; int highPos, lowPos; Random random = new Random(); highPos = (176 + Math.abs...
publicstaticvoidmain(String[] args)throwsClassNotFoundException, SQLException { Class.forName("com.mysql.jdbc.Driver"); Stringurl="url"; Stringuser="user"; Stringpassword="password"; //建立连接 Connectionconn=DriverManager.getConnection(url, user, password); String[] city1 = {"西安市","延安市...
MySQL支持关系模型中哪些完整性约束A.实体完整性B.参照完整性C.用户自定义完整性D.其他完整性的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工
{ MySqlCommand cmd = new MySqlCommand(); try { //循环 foreach (string myDE in pars) { string cmdText = myDE; PrepareCommand(cmd, conn, trans, cmdText,null); int val = cmd.ExecuteNonQuery(); cmd.Parameters.Clear(); } trans.Commit(); } catch { trans.Rollback(); throw; } } } ...
}publicvoidsetUserID(intuserID) {this.userID =userID; }publicString getUserName() {returnuserName; }publicvoidsetUserName(String userName) {this.userName =userName; }publicintgetUserAge() {returnuserAge; }publicvoidsetUserAge(intuserAge) {this.userAge =userAge; ...
}publicstaticString getTel() {intindex = getNum(0, telFirst.length -1); String first=telFirst[index]; String second= String.valueOf(getNum(1,888) +10000).substring(1); String third= String.valueOf(getNum(1,9100) +10000).substring(1);returnfirst + second +third; ...