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using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Data.SqlClient;
using?System.Data;
using?MySql.Data.MySqlClient;
namespace?眾志科技后臺管理系統
{
????public??class?AirQualityManager
????{
????????//連接字符串
????????public?string?str?=?“server=localhost;User?Id=root;password=root;Database=zhongzhi“;
????????public?MySqlConnection?conn?=?null;???
????
????????#region?創建連接對象
????????public?MySqlConnection?Connection()?
????????{
????????????if?(conn==null)
????????????{
????????????????conn?=?new?MySqlConnection(str);
????????????}
????????????return?conn;
????????}
????????#endregion
????????#region?打開數據庫
????????public?void?open()?
????????{
????????????Connection();
????????????if?(conn.State==ConnectionState.Closed)
????????????{
????????????????conn.Open();
????????????}
????????????else?if?(conn.State==ConnectionState.Broken)
????????????{
????????????????conn.Open();
????????????}
????????}
????????#endregion
????????#region?關閉數據庫
????????public?void?down()?
????????{
????????????conn?=?Connection();
????????????if?(conn.State==ConnectionState.Broken||conn.State==ConnectionState.Open)
????????????{
????????????????conn.Close();
????????????}
????????}
????????#endregion
????????#region??查詢
????????public?MySqlDataReader?findAirQuality(string?sql)?
????????{
????????????MySqlCommand?cmd?=?null;
????????????MySqlDataReader?reader?=?null;
????????????try
????????????{
????????????????open();
????????????????cmd?=?new?MySqlCommand(sqlconn);
????????????????reader=cmd.ExecuteReader(CommandBehavior.CloseConnection);
????????????}
????????????catch?(Exception?ex)
????????????{
????????????????Console.WriteLine(ex.StackTrace);
????????????}
????????????return?reader;
????????}
????????#endregion
????????#region?增刪改公共方法
????????public?int?addAirQuality(string?sql)?
????????{
????????????MySqlCommand?cmd?=?null;
????????????int?number?=?0;
????????????try
????????????{
????????????????open();
????????????????cmd?=?new?MySqlCommand(sql?conn);
????????????????number?=?cmd.ExecuteNonQuery();
????????????}
????????????catch?(Exception?ex)
????????????{
????????????????Console.WriteLine(ex.StackTrace);
????????????}
????????????finally?
????????????{
????????????????down();
????????????}
????????????return?number;
????????}
????????#endregion
????????#region?查詢單個值方法
????????public?int?single(string?sql)?
????????{
????????????MySqlCommand?cmd?=?null;
????????????int?number=0;
????????????try
????????????{
????????????????open();
????????????????cmd?=?new?MySqlCommand(sql?conn);
????????????????number?=?Convert.ToInt32(cmd.ExecuteScalar());
????????????}
????????????catch?(Exception?ex)
????????????{
????????????????Console.WriteLine(ex.StackTrace);
????????????}
????????????finally?
????????????{
????????????????down();
????????????}
????????????return?number;
???
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????3135??2018-03-10?10:08??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\AirQualityManager.cs
?????文件????????187??2018-03-09?21:59??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\App.config
?????文件??????20139??2008-07-26?10:17??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\Calmness.ssk
?????文件??????20271??2008-07-26?10:17??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\CalmnessColor1.ssk
?????文件??????20208??2008-07-26?10:17??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\CalmnessColor2.ssk
?????文件???????5032??2008-07-26?10:22??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\DeepCyan.ssk
?????文件???????5037??2008-07-26?10:22??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\DeepGreen.ssk
?????文件???????4908??2008-07-26?10:22??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\DeepOrange.ssk
?????文件??????16021??2008-07-26?09:25??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\DiamondBlue.ssk
?????文件??????16669??2008-07-26?09:25??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\DiamondGreen.ssk
?????文件??????10439??2008-07-26?10:27??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\Eighteen.ssk
?????文件??????10382??2008-07-26?10:27??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\EighteenColor1.ssk
?????文件???????9746??2008-07-26?10:27??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\EighteenColor2.ssk
?????文件??????12666??2008-07-26?10:39??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\Emerald.ssk
?????文件??????12261??2008-07-26?10:39??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\EmeraldColor1.ssk
?????文件??????12360??2008-07-26?10:39??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\EmeraldColor2.ssk
?????文件??????11422??2008-07-26?10:39??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\EmeraldColor3.ssk
?????文件??????33280??2008-07-26?16:09??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\FaceChange.exe
?????文件??????52736??2008-07-26?16:09??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\FaceChange.pdb
?????文件??????14328??2008-07-26?16:09??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\FaceChange.vshost.exe
?????文件??????18859??2008-07-26?10:11??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\GlassBrown.ssk
?????文件??????16097??2008-07-26?10:11??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\GlassGreen.ssk
?????文件??????17010??2008-07-26?10:11??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\GlassOrange.ssk
?????文件?????516096??2008-07-26?09:25??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\IrisSkin2.dll
?????文件??????18988??2008-07-26?10:42??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\Longhorn.ssk
?????文件??????15156??2008-07-26?09:25??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\MacOS.ssk
?????文件??????12477??2008-07-26?10:45??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\Midsummer.ssk
?????文件??????12542??2008-07-26?10:45??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\MidsummerColor1.ssk
?????文件??????12238??2008-07-26?10:45??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\MidsummerColor2.ssk
?????文件??????12127??2008-07-26?10:45??眾志科技有限公司?-?mysql數據庫?-團隊\眾志科技后臺管理系統\bin\Debug\MidsummerColor3.ssk
............此處省略365個文件信息
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