js代码
function submitform() {
$("#form_upload").ajaxSubmit({
success: showResponse
});
}
function showResponse(responseText) {
if (responseText != null) {
alert('上传成功!');
} else {
alert('操作失败!');
}
}
$(function () {
$("#upImg").on("change", function () {
var file = this.files[0];
if (this.files && file) {
var reader = new FileReader();
reader.onload = function (e) {
$('#result').attr('src', e.target.result);
}
reader.readAsDataURL(file);
}
});
})
前台代码
生产(经营)许可证证件照片 |
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(这里添加iframe,因为后台返回时会跳转,把form放入iframe里提交就不会跳转页面)
后台代码
[HttpPost]
public ActionResult Upload(HttpPostedFileBase upImg)
{
if (upImg == null)
{
return Content("文件上传错误,请重新选择文件!");
}
string fileName = System.IO.Path.GetFileName(upImg.FileName);
string filePhysicalPath = Server.MapPath("~/credp_w_picpaths/" + fileName);
try
{
upImg.SaveAs(filePhysicalPath);
Session["ImgPath"] = filePhysicalPath;
return Content("上传成功");
}
catch
{
return Content("上传异常 !");
}
}
文章题目:MVC通过ajaxSubmit上传图片并显示
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