叶子小小的，碧绿碧绿的，花儿小小的，好可爱。紫红色的玫瑰花在风中翩翩起舞，玫瑰花树枝上还有调皮又可爱的小刺，你可要当心哦！你看，那个大仙人球旁围着8个小仙人球，好像一家人聚在一起，多欢快呀！
如下图：
然后它们存储到文本文件有这样的列：
在我们读取这个文件之前，先建一个实体类：
First Name
Last Name
Job Title
City
Country
/// <summary>
/// Customer entity
/// </summary>
public class Customer{
public string Firstname { get; set; }
public string Lastname { get; set; }
public string JobTitle { get; set; }
public string City { get; set; }
public string Country { get; set; }
}
接着我们使用LINQ读取整个文件：
var query = from line in File.ReadAllLines(filePath)
let customerRecord = line.Split(',')
select new Customer()
{
Firstname = customerRecord[0],
Lastname = customerRecord[1],
JobTitle = customerRecord[2],
City = customerRecord[3],
Country = customerRecord[4]
};
foreach (var item in query)
{
Console.WriteLine("{0}, {1}, {2}, {3}, {4}"
, item.Firstname, item.Lastname, item.JobTitle, item.City, item.Country);
}
要读取可以带条件的记录也可以,我们filter出Country是UK:
另一例子：
var query = from c in
(from line in File.ReadAllLines(filePath)
let customerRecord = line.Split(',')
select new Customer()
{
Firstname = customerRecord[0],
Lastname = customerRecord[1],
JobTitle = customerRecord[2],
City = customerRecord[3],
Country = customerRecord[4]
})
where c.Country == "UK"
select c;
var query = from c in
(from line in File.ReadAllLines(filePath)
let customerRecord = line.Split(',')
select new Customer()
{
Firstname = customerRecord[0],
Lastname = customerRecord[1],
JobTitle = customerRecord[2],
City = customerRecord[3],
Country = customerRecord[4]
})
where c.JobTitle.Contains("Sales")
select c;
本文使用linq读取分隔符文本文件到此结束。曾经拥有的不要忘记，已经得到的要珍惜，属于自已的不要放弃。小编再次感谢大家对我们的支持！