/// <summary>
/// 根据id生成扩展js文件字符串;
/// </summary>
private static string BuildExtJs(string fileId)
{
var s = string.Empty;
DbHelper.Open();
var dt = new DataTable();
try
{
dt = DbHelper.GetDataTable(string.Format("select jsplugin from p_form_m where code='{0}'", fileId));
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
DbHelper.Close();
}
//id号无对应扩展js内容
if (dt.Rows.Count <= 0 || string.IsNullOrEmpty(dt.Rows[0]["jsplugin"].ToString()))
{
return(string.Empty);
}
var bformBytes = (Byte[])dt.Rows[0]["jsplugin"];
//id号对应扩展js内容为空
if (bformBytes.Length < 1)
{
return(string.Empty);
}
/**********************************************
* "LZW15"开头的流数据是经过压缩的,需解压后再转码;
* 非"LZW15"开头的数据直接转码即可;
**********************************************/
var headBytes = new byte[5];
Array.Copy(bformBytes, 0, headBytes, 0, 5);
var headStr = Encoding.GetEncoding("gb2312").GetString(headBytes);
if (headStr == "LZW15")
{
var sourceBytes = new byte[bformBytes.Length - 5];
Array.Copy(bformBytes, 5, sourceBytes, 0, bformBytes.Length - 5);
var deCompressByte = new LzwZip(Encoding.GetEncoding("gb2312")).Decompress(sourceBytes);
s = Encoding.Default.GetString(deCompressByte);
}
else
{
s = Encoding.Default.GetString(bformBytes);
}
return(s);
}
/// <summary>
/// 根据id生成ini文件;
/// </summary>
private static string BuildFile(string fileId, ref string ucode)
{
var s = string.Empty;
// 根据传入的id值取出ini文件的内容;
DbHelper.Open();
var dt = new DataTable();
try
{
dt = DbHelper.GetDataTable(string.Format("select * from p_form_m where code='{0}'", fileId));
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
DbHelper.Close();
}
if (dt.Rows.Count <= 0)
{
throw new Exception("id号无对应数据;");
}
ucode = dt.Rows[0]["ucode"].ToString();
var bformBytes = (Byte[])dt.Rows[0]["bform"];
/**********************************************
* "LZW15"开头的流数据是经过压缩的,需解压后再转码;
* 非"LZW15"开头的数据直接转码即可;
**********************************************/
var headBytes = new byte[5];
Array.Copy(bformBytes, 0, headBytes, 0, 5);
var headStr = Encoding.GetEncoding("gb2312").GetString(headBytes);
if (headStr == "LZW15")
{
var sourceBytes = new byte[bformBytes.Length - 5];
Array.Copy(bformBytes, 5, sourceBytes, 0, bformBytes.Length - 5);
var deCompressByte = new LzwZip(Encoding.GetEncoding("gb2312")).Decompress(sourceBytes);
s = Encoding.Default.GetString(deCompressByte);
}
else
{
s = Encoding.Default.GetString(bformBytes);
}
var path = AppDomain.CurrentDomain.BaseDirectory + "pform\\";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
// 在ini文件中加入pform信息'id'和'表描述';
var pformInfo = new StringBuilder();
pformInfo.Append("[pformInfo]\r\n");
pformInfo.Append("fileid=" + fileId + "\r\n");
pformInfo.Append("description=" + dt.Rows[0]["title"].ToString() + "\r\n");
// 将bform数据写入ini文件,路径为主程序下pform文件夹中;
var filename = path + fileId + ".ini";
using (var sw = new StreamWriter(filename, false, Encoding.GetEncoding("gb2312")))
{
sw.Write(pformInfo.ToString() + s);
}
return(filename);
}
