用Winfrom动态生成SQL的insert语句

NameHelper类的代码

#region 随机姓名生成器

static string[] _firstName = new string[]{
"白","毕","卞","蔡","曹","岑","常","车","陈","成" ,"程","池","邓","丁","范","方","樊","费","冯","符"
,"傅","甘","高","葛","龚","古","关","郭","韩","何" ,"贺","洪","侯","胡","华","黄","霍","姬","简","江"
,"姜","蒋","金","康","柯","孔","赖","郎","乐","雷" ,"黎","李","连","廉","梁","廖","林","凌","刘","柳"
,"龙","卢","鲁","陆","路","吕","罗","骆","马","梅" ,"孟","莫","母","穆","倪","宁","欧","区","潘","彭"
,"蒲","皮","齐","戚","钱","强","秦","丘","邱","饶" ,"任","沈","盛","施","石","时","史","司徒","苏","孙"
,"谭","汤","唐","陶","田","童","涂","王","危","韦" ,"卫","魏","温","文","翁","巫","邬","吴","伍","武"
,"席","夏","萧","谢","辛","邢","徐","许","薛","严" ,"颜","杨","叶","易","殷","尤","于","余","俞","虞"
,"元","袁","岳","云","曾","詹","张","章","赵","郑" ,"钟","周","邹","朱","褚","庄","卓","东方","上官"
,"令狐","申屠","欧阳" };

static string _lastNameMale = "伟刚勇毅俊峰强军平保东文辉力明永健世广志义兴良海山仁波宁贵福生龙元全国胜学祥才发武新利清飞彬富顺信子杰涛昌成康星光天达安岩中茂进林有坚和彪博诚先敬震振壮会思群豪心邦承乐绍功松善厚庆磊民友裕河哲江超浩亮政谦亨奇固之轮翰朗伯宏言若鸣朋斌梁栋维启克伦翔旭鹏泽晨辰士以建家致树炎德行时泰盛雄琛钧冠策腾楠榕风航弘";

static string _lastNameFeMa = "秀娟英华慧巧美娜静淑惠珠翠雅芝玉萍红娥玲芬芳燕彩春菊兰凤洁梅琳素云莲真环雪荣爱妹霞香月莺媛艳瑞凡佳嘉琼勤珍贞莉桂娣叶璧璐娅琦晶妍茜秋珊莎锦黛青倩婷姣婉娴瑾颖露瑶怡婵雁蓓纨仪荷丹蓉眉君琴蕊薇菁梦岚苑婕馨瑗琰韵融园艺咏卿聪澜纯毓悦昭冰爽琬茗羽希宁欣飘育滢馥筠柔竹霭凝鱼晓欢霄枫芸菲寒伊亚宜可姬舒影荔枝思丽墨";

public static List<string> GetNames(bool? sex, int count)
{
int fLength = _firstName.Length;
int lLength = 0;

string nameSource = string.Empty;
if (sex.HasValue)
{
lLength = sex.Value ? _lastNameMale.Length : _lastNameFeMa.Length;
nameSource = sex.Value ? _lastNameMale : _lastNameFeMa;
}
else
{
lLength = _lastNameMale.Length + _lastNameFeMa.Length;
nameSource = string.Concat(_lastNameMale, _lastNameFeMa);
}

List<string> names = new List<string>();

System.Threading.Thread.Sleep(20);
int[] Indexfn = GenerateNonRepeatArray(count, count);
System.Threading.Thread.Sleep(20);
int[] Indexln1 = GenerateNonRepeatArray(count, count);
System.Threading.Thread.Sleep(20);
int[] Indexln2 = GenerateNonRepeatArray(count, count);

int nameLength = nameSource.Length;

for (int i = 0; i < count; i++)
{
int v1 = Indexfn[i];
int v2 = Indexln1[i];
int v3 = Indexln2[i];

if (v1 >= fLength)
{
int j = Indexfn[i] / fLength;
v1 = Indexfn[i] - fLength * j;
}
if (v2 >= nameLength)
{
int j = Indexln1[i] / nameLength;
v2 = Indexln1[i] - nameLength * j;
}
if (v3 >= nameLength)
{
int j = Indexln2[i] / nameLength;
v3 = Indexln2[i] - nameLength * j;
}

if (v1 < 0 || v2 < 0 || v3 < 0)
{
Console.WriteLine();
}

if (v1 >= _firstName.Length || v2 >= nameSource.Length || v3 >= nameSource.Length)
{
Console.WriteLine();
}

string n1 = string.Empty;
string n2 = string.Empty;
string n3 = string.Empty;

names.Add(string.Format("{0}{1}{2}", _firstName[v1], nameSource[v2], nameSource[v3]));

}

return names;
}

#endregion

/// <summary>
/// 返回指定范围内不重复的随机数组，如范围小于数组长度，则返回最多能生成的随机数组
/// </summary>
/// <param name="max"></param>
/// <param name="count"></param>
/// <returns></returns>
private static int[] GenerateNonRepeatArray(int max, int count)
{
if (max <= 0) { throw new Exception("范围不能等于或小于0"); }

int size = count > max ? count - max : 0;

List<int> temp = new List<int>();
Random ran = new Random();

while (temp.Count < (count - size))
{
int item = ran.Next(max);
if (!temp.Contains(item))
{
temp.Add(item);
}
}

return temp.ToArray();
}

form1的代码动态生成任意条数据:

private void button1_Click(object sender, EventArgs e)
{

SaveFileDialog sfd = new SaveFileDialog();
sfd.Title = "保存文件";
sfd.Filter = "文本文件|*.txt|网页文件|*.html|所有文件|*.*";
//声明一个文件流对象。。
if (sfd.ShowDialog() == DialogResult.OK)
{

///保存文件
//第一步声明一个文件流对像
FileStream fs = new FileStream(sfd.FileName, FileMode.Create);
//第二步穿件写入器
StreamWriter sw = new StreamWriter(fs, Encoding.Default);
//第三步写操作
if (textBox1.Text != "")
{
List<string> MaleNames = NameHelper.GetNames(true, Convert.ToInt32(textBox1.Text)); //textBox1个男性名字

foreach (var item in MaleNames)
{
Random Age = new Random();
int age = Age.Next(10, 101);

for (int i = 0; i <= 1000000; i++)
{ }

Random Math = new Random();
int math = Age.Next(0, 100);

for (int i = 0; i <= 1000000; i++)
{ }

Random English = new Random();
int english = Age.Next(0, 100);

for (int i = 0; i <= 1000000; i++)
{ }
sw.WriteLine("insert into " + textBox2.Text + " values（'" + item + "'，" + age + "，" + "男" + "，" + math + "," + english + ")");
//释放写入器和写操做

}
}

if (textBox3.Text != "")
{
List<string> FemaleNames = NameHelper.GetNames(false, Convert.ToInt32(textBox3.Text)); //textBox3个女性名字

foreach (var item in FemaleNames)
{
Random Age = new Random();
int age = Age.Next(10, 101);

for (int i = 0; i <= 1000000; i++)
{ }

Random Math = new Random();
int math = Age.Next(0, 100);

for (int i = 0; i <= 1000000; i++)
{ }

Random English = new Random();
int english = Age.Next(0, 100);

for (int i = 0; i <= 1000000; i++)
{ }
sw.WriteLine("insert into " + textBox2.Text + " values（'" + item + "'，" + age + "，" + "女" + "，" + math + "," + english + ")");
}

}

sw.Close();
fs.Close();

}

MessageBox.Show("写入完成");
}

用Winfrom动态生成SQL的insert语句相关推荐

excel动态生成Sql语句
文章目录 0. 前言 1. 先说结论 2. 例子 0. 前言由于工作原因,无意中发现有时候有些数据来由形式是excel文件,需要把里面的值变成sql语句,然后去数据库中执行. 因此记录下如何让exc ...
mybatis使用注解替代xml配置，动态生成Sql
mybatis使用注解替代xml配置时,遇到判断条件是否为null或者为空时,@Select很难搞定,不知道怎么办? mybatis3中增加了使用注解来配置Mapper的新特性,使用 SelectPr ...
动态生成多条插入语句存入文本文档中
写一个程序,能够动态生成多条插入语句如:insert into MyStudents values("人名1",年龄,'男',分数1,分数2).将生成的插入语句输出到记事本文件 S ...
动态生成多条插入语句
写一个程序,能够动态生成多条插入语句如:insert into MyStudents values("人名1",年龄,'男',分数1,分数2).将生成的插入语句输出到记事本文件 S ...
mysql 导出insert 语句_mysqldump导出sql中insert语句的问题
mysqldump导出sql中insert语句的问题今天有同事问,mysqldump怎么样才能够将导出的sql中,每条记录对应一个insert语句,默认总是导出一个长的insert语句,如下所示: ...
Excel自动生成sql建表语句
ETL开发中重新整理很多表结构,写建表语句又是一件头疼的事情,干脆借鉴网友的代码,自己写了一个自动生成建表sql的模板. 模板下载:http://download.csdn.net/detail/en ...
DataGrid连接Access的快速分页法——动态生成SQL语句
作者:黎波 using System; using System.Text; namespace Paging { /// <summary> /// FastPaging 的摘要说明. ...
java 生成分页sql_DataGrid连接Access的快速分页法——动态生成SQL语句
作者:黎波usingSystem;usingSystem.Text;namespacePagi 作者:黎波 using System; using System.Text; namespace Pag ...
java 生成sql,java excel生成sql
最近经常有人需求要把我excel 导入生产数据库oracle,其实dba最烦的就是用户从前台页面看上去很简单的数据结构,以为按页面的格式提供excel就可以轻松要求你迅速导入,熟不知页面显示后台所关联 ...

用Winfrom动态生成SQL的insert语句

用Winfrom动态生成SQL的insert语句相关推荐

最新文章

热门文章