void refreshBtn()
{
if (m_isEdit)
{
btnAddNews.Text = "保存";
exitEditBtn.Visible = true;
}
else
{
btnAddNews.Text = "添加";
exitEditBtn.Visible = false;
this.titleTxt.Text = "";
m_selectNews = null;
this.descriptionTxt.Text = "";
this.urlTxt.Text = "";
this.ext1Txt.Text = "";
this.ext2Txt.Text = "";
this.ext3Txt.Text = "";
}
}
private void btnAddNews_Click(object sender, EventArgs e)
{
if (m_isEdit)
{
if (m_selectNews == null)
return;
}
string url = MShareDataManager.gInstance.mServerUrl + "AddNews";
url += "?isEdit=" + m_isEdit;
Encoding myEncoding = Encoding.GetEncoding("utf-8");
HttpWebRequest myRequest =
(HttpWebRequest)WebRequest.Create(url);
string postData = string.Empty;
if(m_isEdit)
postData += "&id=" + idTxt.Text.Trim();
postData += "&title=" + titleTxt.Text.Trim();
postData += "&description=" + Util.encode(descriptionTxt.Text.Trim());
postData += "&redirectUrl=" + Util.encode(urlTxt.Text.Trim());
postData += "&titleImageUrl=" + newsPicUrlTxt.Text.Trim();
postData += "&isWebPage=" + isWebPageChe.Checked;
postData += "&ext1=" + ext1Txt.Text.Trim();
postData += "&ext2=" + ext2Txt.Text.Trim();
postData += "&ext3=" + ext3Txt.Text.Trim();
postData += "&categoryId=" +MShareDataManager.gInstance.mCategoryID;
byte[] data = myEncoding.GetBytes(postData);
myRequest.Method = "POST";
myRequest.ContentType = "application/x-www-form-urlencoded";
myRequest.ContentLength = data.Length;
Stream newStream = myRequest.GetRequestStream();
// Send the data.
newStream.Write(data, 0, data.Length);
newStream.Close();
WebResponse response = myRequest.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader readStream = new StreamReader(stream);
char[] readByte = new char[response.ContentLength];
readStream.Read(readByte, 0, (int)response.ContentLength);
String result = new String(readByte);
newStream.Close();
stream.Close();
switch (Convert.ToInt32(result))
{
case 1:
this.descriptionTxt.Text = this.idTxt.Text = string.Empty;
this.newsPicUrlTxt.Text = this.titleTxt.Text = string.Empty;
this.ext1Txt.Text = this.ext2Txt.Text = this.ext3Txt.Text = string.Empty;
requestNewsList();
break;
case 2:
MessageBox.Show("网页已经存在，无需添加");
break;
case 3:
MessageBox.Show("未知错误");
break;
}
if (newsList != null && newsList.Count > 0)
m_selectNews = newsList[0];
}
private void newsGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
string columnName = newsGridView.Columns[e.ColumnIndex].Name;
MNews news = newsList[e.RowIndex];
m_selectNews = news;
if (m_selectNews == null)
return;
if (columnName == "detail")
{
this.descriptionTxt.Text = Util.decode(news.mDescription);
this.idTxt.Text = news.mID.ToString();
this.urlTxt.Text = news.mRedirectUrl;
this.ext2Txt.Text = news.mExt2;
this.ext3Txt.Text = news.mExt3;
this.ext1Txt.Text = news.mExt1;
this.newsPicUrlTxt.Text = news.mTitleImageUrl;
this.titleTxt.Text = Util.decode(news.mTitle);
Image img = downloadImg(news.mTitleImageUrl); ;
int width = img.Width;
int height = img.Height;
double rate = (double)height / (double)width;
this.newsImgPic.Width = 120;
this.newsImgPic.SizeMode = PictureBoxSizeMode.Zoom;
this.newsImgPic.Height = Convert.ToInt32(120 * rate);
this.newsImgPic.Image = img;
m_isEdit = true;
refreshBtn();
}
else if (columnName == "delete")
{
HttpWebRequest myRequest =
(HttpWebRequest)WebRequest.Create(MShareDataManager.gInstance.mServerUrl + "DeleteNews?id=" + news.mID);
myRequest.Method = "GET";
myRequest.ContentType = "application/x-www-form-urlencoded";
WebResponse response = myRequest.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader readStream = new StreamReader(stream);
char[] readByte = new char[response.ContentLength];
readStream.Read(readByte, 0, (int)response.ContentLength);
String result = new String(readByte);
response.Close();
stream.Close();
if (Convert.ToBoolean(result))
{
requestNewsList();
}
}
}