复杂参数的基本使用方式

复杂参数的基本使用方式

•作为参数的类型一定要有默认的构造函数

–编译器自动生成默认的构造函数

–手动编写默认的构造函数

•客户端设置类型共有的域变量及属性

–设置的属性必须有Setter方法

•使用JSON进行传输格式

•自动进行序列化与反序列化

aspx

<form id="form1" runat="server">

<asp:ScriptManager ID="ScriptManager1" runat="server">

<Services>

<asp:ServiceReference Path="ColorService.asmx" InlineScript="true" />

</Services>

</asp:ScriptManager>

<input type="button" value="Reverse Color" onclick="ReverseColor()" />

<script language="javascript" type="text/javascript">

function ReverseColor()

{

var color = {"Red" : 50, "Green" : 100, "Blue" : 200};

ColorService.Reverse(color, onSucceeded);

}

function onSucceeded(result)

{

alert(String.format(

"Red: {0}\nGreen: {1}\nBlue: {2}",

result.Red,

result.Green,

result.Blue));

}

</script>

</form>

ColorService.asmx

<%@ WebService Language="C#" Class="ColorService" %>

using System;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Web.Script.Services;

using ComplexType;

[WebService(Namespace = "http://tempuri.org/")]

[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

[ScriptService]

public class ColorService : System.Web.Services.WebService

{

[WebMethod]

[GenerateScriptType(typeof(Color))]

public Color Reverse(Color color)

{

return new Color(

(byte)(255 - color.Red),

(byte)(255 - color.Green),

(byte)(255 - color.Blue));

}

}

Color.cs

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;

namespace ComplexType

{

/// <summary>

/// Summary description for Color

/// </summary>

public class Color

{

public Color() { }

public Color(byte red, byte green, byte blue)

{

this.Red = red;

this.Green = green;

this.Blue = blue;

}

public byte Red;

public byte Green;

public byte Blue;

}

}