91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

  • 大小: 7.26MB
    文件類型: .rar
    金幣: 2
    下載: 1 次
    發布日期: 2023-11-02
  • 語言: C#
  • 標簽: 管理??

資源簡介

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; namespace 圖書管理系統 { public partial class 登錄窗口 : Form { //public static string ConnectionString = "Server=(local);database=圖書管理庫;uid=sa;pwd=1234"; //sql server 混合模式 // public static string ConnectionString = "Server=(local);Integrated Security=SSPI;database=圖書管理庫"; //windows模式 public string strSQL; public SqlConnection myConnection; public SqlCommandBuilder sqlCmdBld; public DataSet ds = new DataSet(); public SqlDataAdapter da; public int num=0; private DataTable myTable; private DataRow myRow; public static string strUser; public static string strPassword; // public static string strDepartment; public static bool login_flag = false; public 登錄窗口() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { Close(); } private void 登錄窗口_Load(object sender, EventArgs e) { linkdatabase link = new linkdatabase(); //實例化 myConnection = new SqlConnection(link.connectionstring()); //實例化連接 strSQL = "select * from 用戶表 "; da = new SqlDataAdapter(strSQL, myConnection); ds.Clear(); da.Fill(ds, "用戶表"); //////動作 myTable = ds.Tables["用戶表"]; for (int i = 0; i < myTable.Rows.Count; i++) { comboBox1.Items.Add(myTable.Rows[i]["用戶名"].ToString().Trim()); } } private void button1_Click(object sender, EventArgs e) { linkdatabase link = new linkdatabase(); //實例化 myConnection = new SqlConnection(link.connectionstring()); //實例化連接 strSQL = "sele

資源截圖

代碼片段和文件信息

using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Security.Cryptography;

namespace?圖書管理系統
{
????class?crypt
????{
????????//此處定義靜態類Jiami


????????//key為加密密匙可定期任意修改
????????private?const?string?key?=?“ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz“;

????????//?EnCode為字符串加密函數str為待加密的字符串,返回值為加密后的字符串
????????public?string?EnCode(string?str)
????????{
????????????if?(string.IsNullOrEmpty(str))
????????????{
????????????????return?““;
????????????}

????????????byte[]?buff?=?Encoding.Default.GetBytes(str);
????????????int?j?k?m;
????????????int?len?=?key.Length;
????????????StringBuilder?sb?=?new?StringBuilder();
????????????Random?r?=?new?Random();

????????????for?(int?i?=?0;?i?????????????{
????????????????j?=?(byte)r.Next(6);
????????????????buff[i]?=?(byte)((int)buff[i]?^?j);
????????????????k?=?(int)buff[i]?%?len;
????????????????m?=?(int)buff[i]?/?len;
????????????????m?=?m?*?8?+?j;
????????????????sb.Append(key.Substring(k?1)?+?key.Substring(m?1));
????????????}
????????????return?sb.ToString();
????????}

????????//?DeCode為字符串解密函數str為待解密的字符串,返回值為解密后的字符串
????????public?string?DeCode(string?str)
????????{
????????????if?(string.IsNullOrEmpty(str))
????????????{
????????????????return?““;
????????????}

????????????try
????????????{
????????????????int?j?k?m?n?=?0;
????????????????int?len?=?key.Length;
????????????????byte[]?buff?=?new?byte[str.Length?/?2];

????????????????for?(int?i?=?0;?i?????????????????{
????????????????????k?=?key.IndexOf(str[i]);
????????????????????m?=?key.IndexOf(str[i?+?1]);
????????????????????j?=?m?/?8;
????????????????????m?=?m?-?j?*?8;
????????????????????buff[n]?=?(byte)(j?*?len?+?k);
????????????????????buff[n]?=?(byte)((int)buff[n]?^?m);
????????????????????n++;
????????????????}
????????????????return?Encoding.Default.GetString(buff);
????????????}
????????????catch
????????????{
????????????????return?““;
????????????}
????????}


???


????//***************?不可逆轉??MD5加密
????????????public?string?SetEncrypt(string?text)
????????????{
????????????????if?(text?==?““)
????????????????{
????????????????????return?““;
????????????????}
????????????????MD5CryptoServiceProvider?md5?=?new?MD5CryptoServiceProvider();
????????????????string?cryptText?=?BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(text))?6?8);
????????????????
????????????????return?cryptText;
????????????}


?}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????277504??2011-05-18?15:20??圖書管理系統\C#實訓報告.doc

?????文件??????79287??2011-05-16?12:41??圖書管理系統\image\12Z041E4W0-39544.jpg

?????文件???????4431??2010-12-14?10:48??圖書管理系統\image\14402917.jpg

?????文件??????38614??2011-05-15?14:51??圖書管理系統\image\2.jpg

?????文件?????184671??2011-05-16?12:43??圖書管理系統\image\2008082516132307.jpg

?????文件?????131258??2011-05-30?20:07??圖書管理系統\image\2008128214935601_2.jpg

?????文件?????134649??2011-05-16?12:41??圖書管理系統\image\20081512123403_2.jpg

?????文件??????26749??2010-12-14?10:48??圖書管理系統\image\273ff9c79547fb14b319a8a3.jpg

?????文件??????91417??2011-05-15?14:59??圖書管理系統\image\3.jpg

?????文件??????36063??2010-12-14?10:41??圖書管理系統\image\431ae67a90f594790cd7daa1.jpg

?????文件?????163142??2011-05-16?12:43??圖書管理系統\image\4550-1.jpg

?????文件??????63051??2010-12-14?10:51??圖書管理系統\image\674c15ad70523ebd1e17a2a1.jpg

?????文件??????92199??2011-05-15?15:20??圖書管理系統\image\無標題.jpg

?????文件????3145728??2011-05-18?15:39??圖書管理系統\圖書管理庫.mdf

?????文件????1048576??2011-05-18?15:39??圖書管理系統\圖書管理庫_log.ldf

?????文件????????457??2011-05-01?15:08??圖書管理系統\圖書管理系統\app.config

?????文件????3245568??2011-06-17?12:40??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.exe

?????文件????????457??2011-05-01?15:08??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.exe.config

?????文件?????275968??2011-06-17?12:40??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.pdb

?????文件??????14328??2011-05-18?15:38??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.vshost.exe

?????文件????????457??2011-05-01?15:08??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.vshost.exe.config

?????文件????????490??2007-07-21?01:33??圖書管理系統\圖書管理系統\bin\Debug\圖書管理系統.vshost.exe.manifest

?????文件???????2762??2011-05-01?15:08??圖書管理系統\圖書管理系統\Class1.cs

?????文件???????5303??2011-05-17?09:59??圖書管理系統\圖書管理系統\crp_入庫報表.cs

?????文件??????16384??2011-05-17?09:59??圖書管理系統\圖書管理系統\crp_入庫報表.rpt

?????文件???????6033??2011-05-01?15:08??圖書管理系統\圖書管理系統\crp_分類入庫報表.cs

?????文件??????16384??2011-05-01?15:08??圖書管理系統\圖書管理系統\crp_分類入庫報表.rpt

?????文件?????127269??2011-05-01?15:08??圖書管理系統\圖書管理系統\DataSet1.Designer.cs

?????文件????????361??2011-05-01?15:08??圖書管理系統\圖書管理系統\DataSet1.xsc

?????文件??????38961??2011-05-01?15:08??圖書管理系統\圖書管理系統\DataSet1.xsd

............此處省略109個文件信息

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