• Path文件操作实例


    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AddProduct.aspx.cs" Inherits="WebApplication1.AddProduct" %>
    
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
        <h1>新增商品</h1>
            <p>商品名称:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            </p>
            <p>价格:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
            </p>
            <p>图片:<asp:FileUpload ID="FileUpload1" runat="server" />
            </p>
            <p>
                <asp:Image ID="Image1" runat="server" Height="68px" Width="100px" />
                <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="上传" />
            </p>
            <p>备注:<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
            </p>
            <p>
                <asp:Button ID="Button2" runat="server" onclick="Button2_Click" Text="新增" />
            </p>
            <p>&nbsp;</p>
        </div>
        </form>
    </body>
    </html>
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.IO;
    using System.Data.SqlClient;
    
    namespace WebApplication1
    {
        public partial class AddProduct : System.Web.UI.Page
        {
            protected void Page_Load(object sender, EventArgs e)
            {
    
            }
            //上传
            protected void Button1_Click(object sender, EventArgs e)
            {
                string type = Path.GetExtension(FileUpload1.FileName);
                Guid g = Guid.NewGuid();//全局唯一标示
                string fileName = "images/" + g.ToString() + type;
                //保存
                FileUpload1.SaveAs(Server.MapPath(fileName));
                Image1.ImageUrl = fileName;
            }
            //新增
            protected void Button2_Click(object sender, EventArgs e)
            {
                string sql = "insert into product values(@pname,@price,@pic,@remark)";
                SqlParameter[] pms = new SqlParameter[4];
                pms[0] = new SqlParameter("@pname", TextBox1.Text);
                pms[1] = new SqlParameter("@price", TextBox2.Text);
                pms[2] = new SqlParameter("@pic", Image1.ImageUrl);
                pms[3] = new SqlParameter("@remark", TextBox3.Text);
                int i = SQLHelper.ExecuteNonQuery(sql, pms);
                if (i > 0)
                {
    
                    MessageBox.Alert(Page,"新增成功");
    
                }
                else
                {
                    Response.Write("新增失败");
                }
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/xiaz/p/5242923.html
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