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MVC与DWZ整合中部分问题的解决
1、错误提示距离太远
2、正确与错误时返回JSON（即：如何不出现打开新页显示JSON字串）
3、打开新页后“数据加载中，请稍候”关不掉
4、如何正常的分页，同时如果有查询结果时分页也要有效
5、关闭弹出的对话框后出现半透明黑色框
6、DWZ使用<input type="file">上传文件返回JSON串IE无法解析问题
上传的页面的form中如果加上onsubmit = "return validateCallback(this, dialogAjaxDone)"是无法实现文件上传的，接收到的只能是null，所以需要换一种方式，即：
onsubmit="return iframeCallback(this,dialogAjaxDone);
[HttpPost] [Description("接收商户标题图片")] public string UploadTitle(HttpPostedFileBase upImg, string id) { int MaxSize = 597152; // 最大上传大小，默认是0.5M string newFile = ""; string ext = ""; string fn = ""; string tmp = ""; try { //HttpFileCollectionBase fc = Request.Files; //HttpPostedFileBase f = Request.Files[0]; if (upImg.ContentLength > MaxSize || upImg.ContentLength == 0) { tmp = "{ \"statusCode\" : \"200\", " + "\"message\" : \"上传失败！文件大小不正确，必须是在0字节以上，0.5M字节以内\"," + "\"navTabId\" : \"\"," + "\"rel\" : \"\"," + "\"callbackType\" : \"closeCurrent\"," + "\"forwardUrl\": \"\"" + "}"; return tmp; } if (!Directory.Exists(Server.MapPath("~/Upload"))) Directory.CreateDirectory(Server.MapPath("~/Upload")); ext = upImg.FileName.Substring(upImg.FileName.LastIndexOf(".")); fn = DateTime.Now.ToString("yyyMMddHHmmssfff"); newFile = Server.MapPath("~/Upload") + "\\" + fn + ext; upImg.SaveAs(newFile); int dbid = Convert.ToInt32(id); var data = http://www.mamicode.com/db.Seller.Where(p => p.id == dbid).FirstOrDefault(); if (data != null) { data.TitleJPG = "/Upload/" + fn + ext; db.SaveChanges(); } //AJAX不支持上传文件，所以用了隐藏iframe方式，但返回就不能是JSON格式，只能返回字符串格式 tmp = "{ \"statusCode\" : \"200\", " + "\"message\" : \"修改成功\"," + "\"navTabId\" : \"dlg_modiSeller\"," + "\"rel\" : \"\"," + "\"callbackType\" : \"closeCurrent\"," + "\"forwardUrl\": \"\""+ "}"; return tmp; } catch (Exception ex) { tmp = "{ \"statusCode\" : \"200\", " + "\"message\" : \"上传图片失败\"," + "\"navTabId\" : \"\"," + "\"rel\" : \"\"," + "\"callbackType\" : \"closeCurrent\"," + "\"forwardUrl\": \"\"" + "}"; return tmp; } }
<form action="@Url.Action("UploadTitle", "Seller", new { id = ViewData["id"].ToString() })" method="post" enctype="multipart/form-data" class="pageForm required-validate" onsubmit="return iframeCallback(this,dialogAjaxDone);" > <input type="file" name="upImg" id="upImg" style="width: 180px" /> <button type="submit">文件上传</button></form>
注意点：前台的input控件名与后台接收的一致，即(HttpPostedFileBase upImg, string id)中的upImg必须与前台的一致，否则接收不到文件
MVC与DWZ整合中部分问题的解决
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