今天學習，如標題。

創建一個類，字段屬性構造函數：



Source code:

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks;namespace Insus.NET.Models {public class Customer{public int CustomerID { get; set; }public string CustomerName { get; set; }public string PID { get; set; }public Customer(){}public Customer(int customerId, string customerName, string pID){CustomerID = customerId;CustomerName = customerName;PID = pID;} } } View Code

接下來，我們需要準備Array數據集，方法有好幾路，每個元素的對象，由于構造函有重載，因此寫法也不一樣：
方法一：

public Customer[] ArrayCustoners(){Customer c1 = new Customer();c1.CustomerID = 9;c1.CustomerName = "張三";c1.PID = "123456789012";Customer c2 = new Customer(10, "李四", "321245677812");Customer c3 = new Customer() { CustomerID = 30, CustomerName = "吳廣", PID = "213445678912" };return new Customer[]{c1,c2,c3};} Source Code

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方法二：

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public Customer[] ArrayCustoners1 = {new Customer(9,"張三", "123456789012"),new Customer(10,"李四","321245677812"),new Customer() { CustomerID = 30, CustomerName = "吳廣", PID = "213445678912" }}; Source Code

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方法三：

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public Customer[] ArrayCustoners2(){Customer c1 = new Customer();c1.CustomerID = 9;c1.CustomerName = "張三";c1.PID = "123456789012";Customer[] array = new Customer[3];array[0] = c1;array[1] = new Customer(10, "李四", "321245677812");array[2] = new Customer() { CustomerID = 30, CustomerName = "吳廣", PID = "213445678912" };return array;} Source Code

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方法四：

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public Customer[] ArrayCustoners3(){Customer c1 = new Customer();c1.CustomerID = 9;c1.CustomerName = "張三";c1.PID = "123456789012";return new Customer[]{c1,new Customer(10, "李四", "321245677812"),new Customer() { CustomerID = 30, CustomerName = "吳廣", PID = "213445678912" }};} Source Code

也許還有其它寫法，Insus.NET暫列出四種，根據上面來看，第二種是最簡單的寫法，不過在創建類別以及其構造方法，需要重載帶參數的構造函數。

轉載于:https://www.cnblogs.com/insus/p/5438676.html

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