asp.net之购物车

男娘i 2021-09-16 23:20 221阅读 0赞

![20181110224937358.png][]

buy1.aspx

<body>
        <form id="form1" runat="server">
        <asp:CheckBox ID="C1" runat="server" Text="猪肉" /> <br />
        <asp:CheckBox ID="C2" runat="server" Text="牛肉" /> <br />
        <asp:CheckBox ID="C3" runat="server" Text="羊肉" /> <br />
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="提交" />
        <br />
        <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="~/buy2.aspx">买点别的
        </asp:HyperLink>   
        <asp:HyperLink ID="HyperLink2" runat="server" NavigateUrl="~/cart.aspx">查看购物车
        </asp:HyperLink></form>
    
    </body>

buy1.aspx.cs

protected void Button1_Click(object sender, EventArgs e)
            {
                if (C1.Checked) Session["b1"] = C1.Text; else Session["b1"] = null;
                if (C2.Checked) Session["b2"] = C2.Text; else Session["b2"] = null;
                if (C3.Checked) Session["b3"] = C3.Text; else Session["b3"] = null;
            }

buy2.aspx

<body>
        <form id="form1" runat="server">
        <asp:CheckBox ID="C4" runat="server" Text="篮球" /><br />
        <asp:CheckBox ID="C5" runat="server" Text="足球" /><br />
        <asp:CheckBox ID="C6" runat="server" Text="排球" /><br />
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="提交" />
        <br />
        <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="~/buy1.aspx">买点别的
        </asp:HyperLink>   
        <asp:HyperLink ID="HyperLink2" runat="server" NavigateUrl="~/cart.aspx">查看购物车
        </asp:HyperLink></form>
    
    </body>

buy2.aspx.cs

protected void Button1_Click(object sender, EventArgs e)
            {
                if (C4.Checked) Session["b4"] = C4.Text; else Session["b4"] = null;
                if (C5.Checked) Session["b5"] = C5.Text; else Session["b5"] = null;
                if (C6.Checked) Session["b6"] = C6.Text; else Session["b6"] = null;
            }

cart.aspx

<body>
        <form id="form1" runat="server">
        您的购物车：<br />
        <%for(int i=0;i<Session.Count;i++)
              if(Session[i]!=null)   Response.Write(Session[i].ToString() + "<br>");  
        %>
        <br />
        <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="~/buy1.aspx">返回
        </asp:HyperLink>
    </form>
    
    </body>

![20181110224534496.gif][]

[20181110224937358.png]: /images/20210725/88b6565cbb354679ab225b0101d6572c.png
[20181110224534496.gif]: /images/20210725/ebfc767fc1f546fb9053f6e8cc914e67.png