高分求 c# 字符串转 换成 整数类型 的方法解决思路
高分求 c# 字符串转 换成 整数类型 的方法
我试过C# vs.net上所有的将字符串转换为整数型的方法 就是不行啊!! 请大家帮帮忙!!急啊!!
下面是我的代码
string path1 = @"e:\Dupout";
string path2 =path1+ @"\dupout.txt";
//创建文件目录
if (!Directory.Exists(path1))
{
Directory.CreateDirectory(path1);
}
//创建文件
if (!File.Exists(path2))
{
File.Create(path2);
}
//把文本文件写入dupout.txt文件
using (StreamWriter sw = File.CreateText(path2))
{
sw.WriteLine("姓名\t性别\t年龄\t工资\t");
sw.WriteLine("刘洋成\t男\t18\t2354\t");
sw.WriteLine("敖翔\t男\t19\t3456\t");
sw.WriteLine("陈玲\t女\t18\t1234\t");
sw.WriteLine("杜贤伟\t男\t20\t4456\t");
}
string text = null;
using (StreamReader sr = File.OpenText(path2))//path2= @"e:\Dupout\dupout.txt";
{
while (sr.Peek()>=0)
{
text+=sr.ReadLine();//把文件中的数据读入text
}
}
string[] words = text.Split('\t','\n');
int[] arr = new int[4];
int j=0;
for (int i = 8; i < words.Length; i = i + 4)
{
arr[j] = Convert.ToInt32(words[i]);//??????? 把words[i]转换为整数类型???? }
foreach (int n in arr)
{
Console.Write(n + "\t");
}
------解决方案--------------------
LZ是不是把循环的索引给搞错了?
for (int i = 8; i < words.Length; i = i + 4)
{
arr[j] = Convert.ToInt32(words[i]);//??????? 把words[i]转换为整数类型????
}
如果把int i = 8;改成 int i=6则可以取出年龄的值。
------解决方案--------------------
我试过C# vs.net上所有的将字符串转换为整数型的方法 就是不行啊!! 请大家帮帮忙!!急啊!!
下面是我的代码
string path1 = @"e:\Dupout";
string path2 =path1+ @"\dupout.txt";
//创建文件目录
if (!Directory.Exists(path1))
{
Directory.CreateDirectory(path1);
}
//创建文件
if (!File.Exists(path2))
{
File.Create(path2);
}
//把文本文件写入dupout.txt文件
using (StreamWriter sw = File.CreateText(path2))
{
sw.WriteLine("姓名\t性别\t年龄\t工资\t");
sw.WriteLine("刘洋成\t男\t18\t2354\t");
sw.WriteLine("敖翔\t男\t19\t3456\t");
sw.WriteLine("陈玲\t女\t18\t1234\t");
sw.WriteLine("杜贤伟\t男\t20\t4456\t");
}
string text = null;
using (StreamReader sr = File.OpenText(path2))//path2= @"e:\Dupout\dupout.txt";
{
while (sr.Peek()>=0)
{
text+=sr.ReadLine();//把文件中的数据读入text
}
}
string[] words = text.Split('\t','\n');
int[] arr = new int[4];
int j=0;
for (int i = 8; i < words.Length; i = i + 4)
{
arr[j] = Convert.ToInt32(words[i]);//??????? 把words[i]转换为整数类型???? }
foreach (int n in arr)
{
Console.Write(n + "\t");
}
------解决方案--------------------
LZ是不是把循环的索引给搞错了?
for (int i = 8; i < words.Length; i = i + 4)
{
arr[j] = Convert.ToInt32(words[i]);//??????? 把words[i]转换为整数类型????
}
如果把int i = 8;改成 int i=6则可以取出年龄的值。
------解决方案--------------------
- C# code
using System; using System.Collections.Generic; using System.Text; using System.IO; namespace ConsoleApplication69 { class Program { static void Main(string[] args) { string path1 = @"e:\Dupout"; string path2 = path1 + @"\dupout.txt"; //创建文件目录 if (!Directory.Exists(path1)) { Directory.CreateDirectory(path1); } //创建文件 if (!File.Exists(path2)) { File.Create(path2); } //把文本文件写入dupout.txt文件 using (StreamWriter sw = File.CreateText(path2)) { sw.WriteLine("姓名\t性别\t年龄\t工资\t"); sw.WriteLine("刘洋成\t男\t18\t2354\t"); sw.WriteLine("敖翔\t男\t19\t3456\t"); sw.WriteLine("陈玲\t女\t18\t1234\t"); sw.WriteLine("杜贤伟\t男\t20\t4456\t"); } string text = null; using (StreamReader sr = File.OpenText(path2))//path2= @"e:\Dupout\dupout.txt"; { while (sr.Peek() >= 0) { text += sr.ReadLine();//把文件中的数据读入text } } string[] words = text.Split('\t', '\n'); int[] arr = new int[4]; for (int i = 7, j = 0; i < words.Length; i = i + 4) { arr[j++] = int.Parse(words[i]); } foreach (int n in arr) { Console.Write(n + "\t"); } } } }