ASP.NET 导出到Excel时保留换行的代码 |
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<br style=mso-data-placement:same-cell;/> 完整代码： 复制代码 代码如下: <%@ Page Language="C#" Trace="false" AutoEventWireup="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void Button1_Click(object sender, EventArgs e) { System.Web.HttpContext curContext = System.Web.HttpContext.Current; // IO用于导出并返回excel文件 System.IO.StringWriter strWriter = null; System.Web.UI.HtmlTextWriter htmlWriter = null; // 设置编码和附件格式 HttpContext.Current.Response.Clear(); HttpContext.Current.Response.Buffer = true; HttpContext.Current.Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "aaa.xls")); curContext.Response.ContentType = "application/vnd.ms-excel"; curContext.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB18030"); curContext.Response.Charset = ""; // 导出excel文件 strWriter = new System.IO.StringWriter(); htmlWriter = new System.Web.UI.HtmlTextWriter(strWriter); htmlWriter.WriteLine("标题"); // 返回客户端 GridView1.RenderControl(htmlWriter); curContext.Response.Write(strWriter.ToString().Replace("<br/>", "<br style=mso-data-placement:same-cell;/> ")); curContext.Response.End(); } protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { GridView1.DataSource = CreateDataSourceByXianhuiMeng(); GridView1.DataBind(); } } System.Data.DataView CreateDataSourceByXianhuiMeng() { System.Data.DataTable dt = new System.Data.DataTable(); System.Data.DataRow dr; dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String))); dt.Columns.Add(new System.Data.DataColumn("学生姓名", typeof(System.String))); dt.Columns.Add(new System.Data.DataColumn("语文", typeof(System.Decimal))); dt.Columns.Add(new System.Data.DataColumn("数学", typeof(System.Decimal))); dt.Columns.Add(new System.Data.DataColumn("英语", typeof(System.Decimal))); dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal))); for (int i = 0; i < 8; i++) { System.Random rd = new System.Random(Environment.TickCount * i); ; dr = dt.NewRow(); dr[0] = "班级" + i.ToString(); dr[1] = "学生姓名：孟子E章" + i.ToString() + "<br/>所在班级：" + "班级" + i.ToString(); dr[2] = System.Math.Round(rd.NextDouble() * 100, 2); dr[3] = System.Math.Round(rd.NextDouble() * 100, 2); dr[4] = System.Math.Round(rd.NextDouble() * 100, 2); dr[5] = System.Math.Round(rd.NextDouble() * 100, 2); dt.Rows.Add(dr); } System.Data.DataView dv = new System.Data.DataView(dt); return dv; } public override void VerifyRenderingInServerForm(Control control) { } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title>无标题页</title> </head> <body> <form id="form1" runat="server"> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false"> <Columns> <asp:BoundField HtmlEncode="false" DataField="学生姓名" HeaderText="测试字段" /> </Columns> </asp:GridView> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /> </form> </body> </html> 要查阅 Excel 中使用的样式规范，请参考：Microsoft® Office HTML and XML Reference 。 |
