c# 读取文件内容存放到int数组 array.txt_.net

c# 读取文件内容存放到int数组 array.txt

using system; 
using system.data; 
using system.configuration; 
using system.web; 
using system.web.security; 
using system.web.ui; 
using system.web.ui.webcontrols; 
using system.web.ui.webcontrols.webparts; 
using system.web.ui.htmlcontrols; 
using system.collections; 
using system.io; 
using system.text; 
/// <summary> 
/// summary description for readfile 
/// </summary> 
public class readfile 
{ 
public readfile() 
{ 
// 
// todo: add constructor logic here 
// 
} 
public int[,] readfiletoarray() 
{ 
int[,] iret = null; 
arraylist alnumline = getfilecontent(); 
string[] strlinearr = null; 
if (alnumline.count > 0) 
{ 
strlinearr = convert.tostring(alnumline[0]).trim(',').split(','); 
iret = new int[alnumline.count, strlinearr.length]; 
for (int i = 0; i < alnumline.count; i++) 
{ 
strlinearr = convert.tostring(alnumline[i]).trim(',').split(','); 
for (int j = 0; j < strlinearr.length; j++) 
{ 
iret[i, j] = convert.toint32(strlinearr[j]); 
} 
} 
} 
return iret; 
} 
public arraylist getfilecontent() 
{ 
arraylist alret = new arraylist(); 
string strfilepath = httpcontext.current.server.mappath("~") + "/array.txt"; 
if (!file.exists(strfilepath)) 
{ 
httpcontext.current.response.write("文件[" + strfilepath + "]不存在。"); 
return alret; 
} 
try 
{ 
//读出一行文本，并临时存放在arraylist中 
streamreader sr = new streamreader(strfilepath, encoding.getencoding("gb2312")); 
string l; 
while ((l = sr.readline()) != null) 
{ 
if (!string.isnullorempty(l.trim())) 
alret.add(l.trim()); 
} 
sr.close(); 
} 
catch (ioexception ex) 
{ 
httpcontext.current.response.write("读文件出错！请检查文件是否正确。"); 
httpcontext.current.response.write(ex.tostring()); 
} 
return alret; 
} 
} 