word中如何显示base64编码的图片 图片通过ajax传到后台再传到word中，再生成word，但...
\u5982\u4f55\u5c06base64\u7f16\u7801\u8f6c\u53d8\u4e3a\u56fe\u7247\u5982\u679c\u5df2\u7ecf\u662fbase64\u683c\u5f0f\u7684\u56fe\u7247\uff0c\u90a3\u4e48\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4f7f\u7528\u3002
CSS\u4e2d\u4f7f\u7528\uff1abackground-image: url("data:image/png;base64,iVBORw0KGgo=...");
HTML\u4e2d\u4f7f\u7528\uff1asrc="data:image/png;base64,iVBORw0KGgo=..."\u3002
\u8be6\u7ec6\u7684\u4f7f\u7528\u548c\u539f\u7406\u53ef\u4ee5\u53c2\u8003\uff1a
http://www.it399.com/m/image/base64
\u8fd9\u4e2a\u6bd4\u8f83\u597d\u89e3\u51b3\uff0c\u6211\u89c9\u5f97\u8fd9\u79cd\u95ee\u9898PHPWord\u80af\u5b9a\u53ef\u4ee5\u5b8c\u6210
addSection(); $section->addImage($image); //\u751f\u6210\u6587\u4ef6 $name = "HelloWorld.docx"; $wordWriter = \PhpOffice\PhpWord\IOFactory::createWriter($word, "Word2007"); $wordWriter->save($name);
输出html 格式，放歌img 标签，1先把base64编码转为图片，再生成world.
/// <summary>
/// base64编码的文本转为图片
/// </summary>
/// <param name="txtFilePath">文件相对路径(存到服务器上)</param>
/// <param name="str">图片字符串</param>
private void Base64StringToImage(string txtFilePath, string str)
{
try
{
String inputStr = str;
byte[] arr = Convert.FromBase64String(inputStr);
MemoryStream ms = new MemoryStream(arr);
Bitmap bmp = new Bitmap(ms);
bmp.Save(System.Web.HttpContext.Current.Server.MapPath(txtFilePath) + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
//bmp.Save(txtFileName + ".bmp", ImageFormat.Bmp);
//bmp.Save(txtFileName + ".gif", ImageFormat.Gif);
//bmp.Save(txtFileName + ".png", ImageFormat.Png);
ms.Close();
//imgPhoto.ImageUrl = txtFilePath + ".jpg";
//MessageBox.Show("转换成功！");
}
catch (Exception ex)
{
}
}
public void ExportControl(System.Web.UI.Control source, string DocumentType, string filename)
{
//设置Http的头信息,编码格式
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
if (DocumentType.ToLower() == "excel")
{
//Excel
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(filename + ".xls", System.Text.Encoding.UTF8));
HttpContext.Current.Response.ContentType = "application/ms-excel";
}
else if (DocumentType.ToLower() == "word")
{
//Word
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(filename + ".doc", System.Text.Encoding.UTF8));
HttpContext.Current.Response.ContentType = "application/ms-word";
}
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.HeaderEncoding=System.Text.Encoding.UTF8;
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
//关闭控件的视图状态
source.Page.EnableViewState = false;
//初始化HtmlWriter
System.IO.StringWriter writer = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);
source.RenderControl(htmlWriter);
//输出
HttpContext.Current.Response.Write(writer.ToString());
HttpContext.Current.Response.End();
}
word中不能直接显示base64编码的字符串为图片哦，可以先base64编码的字符串转为图片，然后把图片插word文档即可。http://www.it399.com/m/image/base64
，使用这个在线工具可以进行base64转图片，望采纳，谢谢！
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