admin_managewordbook.aspx.cs

网上自动答疑系统(C#)

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Text;

namespace dayi
{
	/// <summary>
	/// admin_manageWordbook 的摘要说明。
	/// </summary>
	public class admin_manageWordbook : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtItems;
		protected System.Web.UI.WebControls.Button btnUpdateWordbook;
		protected System.Web.UI.WebControls.Label lblMsg;
		dayi.controlDatabase cd=new controlDatabase();
	
		private void showWordbookItem()
		{
			//显示所有字典项
			StringBuilder wordbookItem=new StringBuilder();
			DataTable dt=cd.getDataTable("select * from [wordbook]");
			try
			{
				foreach(DataRow row in dt.Rows)
				{
					wordbookItem.Append(row["wbValue"].ToString().Trim()+" ");
				}
				this.txtItems.Text=wordbookItem.ToString().Trim();
			}
			catch(Exception)
			{}
		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!this.IsPostBack)
			{
				if(Session["userType"].ToString()!="admin")
				{
					//确认身份
					Response.Redirect("err.aspx?err=没有权限");
				}
				//显示所有字典项
				this.showWordbookItem();
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.btnUpdateWordbook.Click += new System.EventHandler(this.btnUpdateWordbook_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnUpdateWordbook_Click(object sender, System.EventArgs e)
		{
			//更新字典
			try
			{
				string content=this.txtItems.Text.Trim();

				content=content.Replace("\r\n","");

				this.lblMsg.Text="正在更新字典项...";
				cd.updateDatabase("delete from [wordbook]");
				
				string[] wordbookItem=content.Split(new char[]{' ',','});

				//开始更新
				for(int i=0;i<wordbookItem.Length;i++)
				{
					if(wordbookItem[i].Trim()!="")
					{
						//检查是否有重复
						bool hasKey=cd.catchRecord("select * from [wordbook] where wbValue='"+wordbookItem[i].Trim()+"'");
						if(!hasKey)
						{
							cd.updateDatabase("insert into [wordbook](wbValue) values('"+wordbookItem[i].Trim()+"')");
						}
					}
				}
				this.lblMsg.Text="更新完成!";

				this.showWordbookItem();
			}
			catch(Exception)
			{}
		}
	}
}