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客户端访问WebService(2)

发布时间：2020-12-17 02:36:47 所属栏目：安全 来源：网络整理
导读：1,复杂参数类型的基本使用方式 注意: 作为参数的复杂数据类型(自定义数据类型)一定要有默认的构造函数(无参数的构造函数) ?? ? ? ?[*] 如果参数类型手动添加了有参数的构造函数,必须手动添加一个无参数的默认构造函数 ?? ? ? ?客户端设置类型要有公开的字段
1,复杂参数类型的基本使用方式
注意: 作为参数的复杂数据类型(自定义数据类型)一定要有默认的构造函数(无参数的构造函数)
?? ? ? ?[*] 如果参数类型手动添加了有参数的构造函数,必须手动添加一个无参数的默认构造函数
?? ? ? ?客户端设置类型要有公开的字段和属性,使用json进行传输格式,自动进行序列化和反序列华

例子:?
自定义数据类型Color

  1. using?System;
  2. using?System.Data;
  3. using?System.Configuration;
  4. using?System.Web;
  5. using?System.Web.Security;
  6. using?System.Web.UI;
  7. using?System.Web.UI.HtmlControls;
  8. using?System.Web.UI.WebControls;
  9. using?System.Web.UI.WebControls.WebParts;
  11. namespace?AJAXEnabledWebApplication3
  12. {
  13. ????public?class?Color
  14. ????{
  15. ????????//手动添加默认构造函数
  16. ????????public?Color()
  17. ????????{
  18. ????????}
  19. ????????public?Color(byte?red,?byte?green,?byte?blue)
  20. ????????{
  21. ????????????this.Red?=?red;
  22. ????????????this.Blue?=?blue;
  23. ????????????this.Green?=?green;
  24. ????????}
  25. ????????public?byte?Red;
  26. ????????public?byte?Green;
  27. ????????public?byte?Blue;
  29. ????}
  30. }
webservice代码

  1. using?System;
  2. using?System.Collections;
  3. using?System.ComponentModel;
  4. using?System.Data;
  5. using?System.Web;
  6. using?System.Web.Services;
  7. using?System.Web.Services.Protocols;
  9. namespace?AJAXEnabledWebApplication3
  10. {
  11. ????///?<summary>
  12. ????///?WebService1?的摘要说明
  13. ????///?</summary>
  14. ????[WebService(Namespace?=?"http://tempuri.org/")]
  15. ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
  16. ????[ToolboxItem(false)]
  17. ????[System.Web.Script.Services.ScriptService]
  18. ????public?class?WebService1?:?System.Web.Services.WebService
  19. ????{
  21. ????????[WebMethod]
  22. ????????[System.Web.Script.Services.GenerateScriptType(typeof(Color))]
  23. ????????//获取颜色的反色
  24. ????????public?Color?ReverseColor(Color?color)
  25. ????????{
  26. ????????????return?new?Color((byte)(255?-color.Red),
  27. ????????????????????????????????????(byte)(255?-?color.Blue),
  28. ?????????????????????????????????????(byte)(255?-?color.Green));
  29. ????????}
  30. ????}
  31. }
aspx代码:?

  1. <%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="Default.aspx.cs"?Inherits="AJAXEnabledWebApplication3._Default"?%>
  3. <!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  5. <html?xmlns="http://www.w3.org/1999/xhtml"?>
  6. <head?runat="server">
  7. ????<title>Untitled?Page</title>
  8. </head>
  9. <body>
  10. ????<form?id="form1"?runat="server">
  11. ????????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
  12. ????????<Services>
  13. ????????<asp:ServiceReference?Path="WebService1.asmx"?/>
  14. ????????</Services>
  15. ????????</asp:ScriptManager>
  16. <input?type="button"?value="ReverseColor"?onclick="Reversecolor()"?/>
  17. ????<script?language="javascript"?type="text/javascript">
  18. ????????function?Reversecolor(){
  19. ??????????
  20. ???????????//var?color=new?Object();
  21. ???????????//color.Red=50;
  22. ???????????//color.Blue=70;
  23. ???????????//color.Green=60;
  24. ???????????//Json字符串代替上面的方法
  25. ????????????var?color={"Red":50,"Blue":70,"Green":60};
  26. ????????????//把转换前的color传入回调函数
  27. ????????????AJAXEnabledWebApplication3.WebService1.ReverseColor(color,reveseColorSucceeded,null,color);
  28. ????????}
  29. ????????//接受到转换后的结果和转换前的color
  30. ????????function?reveseColorSucceeded(result,color){
  31. ????????
  32. ????????????alert(String.format("转换后：/nRed:{0}/nBlue:{1}/nGreen:{2}/n转换前:/nRed:{3}/nBlue:{4}/nGreen:{5}?",
  33. ?????????????????????????????????????????result.Red,result.Blue,result.Green,color.Red,color.Blue,color.Green));
  34. ????????}
  35. ????</script>
  36. ????</form>
  37. </body>
  38. </html>
运行后用web develop help察看
提交的json串:?{"color":{"Red":50,"Green":60}}
返回的json串:?{"__type":"AJAXEnabledWebApplication3.Color","Red":205,"Green":185,"Blue":195}


2,生成复杂参数类型的客户端代理

注意: 1，使用[GenerateScriptType(typeof(自定义类))]Attribute标记要生成的代理的参数类型
?? ? ? ?2，上面的标记可以在类，接口或者方法上面定义
?? ? ? ?3，生成的代理中将包括客户端类型的代理。且调用方法时候可以创建具体的类型
?? ? ? ? ? ? 创建具体类型的时候用 new [Namespaces].ClassName(),默认的构造函数(没有其他的构造函数，只能适用默认的无参数的构造函数)
?? ? ? ??
例子：
还是使用上面的自定义的color类
  1. using?System;
  2. using?System.Data;
  3. using?System.Configuration;
  4. using?System.Web;
  5. using?System.Web.Security;
  6. using?System.Web.UI;
  7. using?System.Web.UI.HtmlControls;
  8. using?System.Web.UI.WebControls;
  9. using?System.Web.UI.WebControls.WebParts;
  11. namespace?AJAXEnabledWebApplication3
  12. {
  13. ????public?class?Color
  14. ????{
  15. //默认构造函数
  16. ????????public?Color()
  17. ????????{
  18. ????????}
  19. ????????public?Color(byte?red,?byte?blue)
  20. ????????{
  21. ????????????this.Red?=?red;
  22. ????????????this.Blue?=?blue;
  23. ????????????this.Green?=?green;
  24. ????????}
  25. ????????public?byte?Red;
  26. ????????public?byte?Green;
  27. ????????public?byte?Blue;
  29. ????}
  30. }
webservice 代码：


  1. using?System;
  2. using?System.Collections;
  3. using?System.ComponentModel;
  4. using?System.Data;
  5. using?System.Web;
  6. using?System.Web.Services;
  7. using?System.Web.Services.Protocols;
  9. namespace?AJAXEnabledWebApplication3
  10. {
  11. ????///?<summary>
  12. ????///?WebService1?的摘要说明
  13. ????///?</summary>
  14. ????[WebService(Namespace?=?"http://tempuri.org/")]
  15. ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
  16. ????[ToolboxItem(false)]
  17. ????[System.Web.Script.Services.ScriptService]
  18. ????public?class?WebService1?:?System.Web.Services.WebService
  19. ????{
  21. ????????[WebMethod]
  22. ???????//下面的标记就把自己定义的类color生成了客户端代理
  23. ????????[System.Web.Script.Services.GenerateScriptType(typeof(Color))]
  24. ????????//获取颜色的反色
  25. ????????public?Color?ReverseColor(Color?color)
  26. ????????{
  27. ????????????return?new?Color((byte)(255?-color.Red),
  28. ????????????????????????????????????(byte)(255?-?color.Blue),
  29. ?????????????????????????????????????(byte)(255?-?color.Green));
  30. ????????}
  31. ????}
  32. }
aspx代码：

  1. <%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="Default.aspx.cs"?Inherits="AJAXEnabledWebApplication3._Default"?%>
  3. <!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  5. <html?xmlns="http://www.w3.org/1999/xhtml"?>
  6. <head?runat="server">
  7. ????<title>Untitled?Page</title>
  8. </head>
  9. <body>
  10. ????<form?id="form1"?runat="server">
  11. ????????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
  12. ????????<Services>
  13. ????????<asp:ServiceReference?Path="WebService1.asmx"?/>
  14. ????????</Services>
  15. ????????</asp:ScriptManager>
  16. <input?type="button"?value="ReverseColor"?onclick="Reversecolor()"?/>
  17. ????<script?language="javascript"?type="text/javascript">
  18. ????????function?Reversecolor(){
  19. ??????????//因为webservice中为color生成了一个客户端代理，故可以直接创建具体类型
  20. ??????????//但代理只提供了默认的无参术的构造函数?
  21. ??????????//不能使用?new?AJAXEnabledWebApplication3.Test(50,70,60)
  23. ????????????var?color=new?AJAXEnabledWebApplication3.Test();
  24. ????????????color.Red=50;
  25. ????????????color.Blue=70;
  26. ????????????color.Green=60;
  27. ????????????//把转换前的color传入回调函数
  28. ????????????AJAXEnabledWebApplication3.WebService1.ReverseColor(color,color);
  29. ????????}
  30. ????????//接受到转换后的结果和转换前的color
  31. ????????function?reveseColorSucceeded(result,color){
  32. ????????
  33. ????????????alert(String.format("转换后：/nRed:{0}/nBlue:{1}/nGreen:{2}/n转换前:/nRed:{3}/nBlue:{4}/nGreen:{5}?",
  34. ?????????????????????????????????????????result.Red,color.Green));
  35. ????????}
  36. ????</script>
  37. ????</form>
  38. </body>
  39. </html>
结果一样：
但是传输的json字符串有区别：
传给服务器的json字符串：{"color":{"__type":"AJAXEnabledWebApplication3.Color","Red":50,"Green":60}}
服务器回传的json字符串：{"__type":"AJAXEnabledWebApplication3.Color","Blue":195}

和第一个例子返回的json串一样，提交的json串有区别 下面解释

3,客户端代理的作用
?? a,在对象中做了一个标记： "__type"="AJAXEnabledWebApplication3.Color"
?? ? 这样，服务器端就可以根据上面的标记选择反序列华的目标类型
?? b,呈现一些多态效果

例子：
自己定义类型：
  1. using?System;
  2. using?System.Data;
  3. using?System.Configuration;
  4. using?System.Web;
  5. using?System.Web.Security;
  6. using?System.Web.UI;
  7. using?System.Web.UI.HtmlControls;
  8. using?System.Web.UI.WebControls;
  9. using?System.Web.UI.WebControls.WebParts;
  11. namespace?AJAXEnabledWebApplication3
  12. {
  13. ????public?abstract?class?Employee
  14. ????{
  15. ????????//员工工作年限
  16. ????????public?int?Years?{?get;?set;?}
  17. ????????//返回类类型的名字
  18. ????????public?string?RealStatus
  19. ????????{
  20. ????????????get
  21. ????????????{
  22. ????????????????return?this.GetType().Name;
  23. ????????????}
  24. ????????}
  25. ????????//员工工资的计算方法
  26. ????????public?abstract?int?CalculateSalary();
  27. ????}
  28. ????//实习生?
  29. ????public?class?Intern?:?Employee
  30. ????{
  31. ????????public?override?int?CalculateSalary()
  32. ????????{
  33. ????????????return??2000;
  34. ????????}
  35. ????}
  36. ????public?class?Vendor?:?Employee
  37. ????{
  38. ????????public?override?int?CalculateSalary()
  39. ????????{
  40. ????????????return?5000+1000*(Years-1);
  41. ????????}
  42. ????}
  43. ????public?class?FullTimeEmployee?:?Employee
  44. ????{
  45. ????????public?override?int?CalculateSalary()
  46. ????????{
  47. ???????????return?15000+2000*(Years-1);
  48. ????????}
  49. ????}
  50. }
webService代码：

  1. using?System;
  2. using?System.Collections;
  3. using?System.ComponentModel;
  4. using?System.Data;
  5. using?System.Web;
  6. using?System.Web.Services;
  7. using?System.Web.Services.Protocols;
  9. namespace?AJAXEnabledWebApplication3
  10. {
  11. ????///?<summary>
  12. ????///?employeeService?的摘要说明
  13. ????///?</summary>
  14. ????[WebService(Namespace?=?"http://tempuri.org/")]
  15. ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
  16. ????[ToolboxItem(false)]
  17. ????[System.Web.Script.Services.ScriptService]
  18. ????public?class?employeeService?:?System.Web.Services.WebService
  19. ????{
  21. ????????[WebMethod]
  22. ???????//给定义的类声明代理
  23. ????????[System.Web.Script.Services.GenerateScriptType(typeof(Intern))]
  24. ????????[System.Web.Script.Services.GenerateScriptType(typeof(Vendor))]
  25. ????????[System.Web.Script.Services.GenerateScriptType(typeof(FullTimeEmployee))]
  26. ????????public?string?GetSalary(Employee?employee)
  27. ????????{
  28. ????????????return?"I?am?"+employee.RealStatus+",And?my?salary?is?"+employee.CalculateSalary();
  29. ????????}
  30. ????}
  31. }
aspx页面代码：

  1. <%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="WebForm1.aspx.cs"?Inherits="AJAXEnabledWebApplication3.WebForm1"?%>
  3. <!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  5. <html?xmlns="http://www.w3.org/1999/xhtml"?>
  6. <head?runat="server">
  7. ????<title>无标题页</title>
  8. </head>
  9. <body>
  10. ????<form?id="form1"?runat="server">
  11. ????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
  12. ????<Services>
  13. ????<asp:ServiceReference?Path="employeeService.asmx"?/>
  14. ????</Services>
  15. ????</asp:ScriptManager>
  16. ????????????年限：<asp:TextBox?ID="txtYear"?runat="server">
  17. ????????</asp:TextBox><br?/>
  18. ????????类型:?
  19. ????????<asp:DropDownList?ID="ddltype"?runat="server"?>
  20. ????????<asp:ListItem?Text="Intern"?Value="Intern"></asp:ListItem>
  21. ????????<asp:ListItem?Text="Vendor"?Value="Vendor"></asp:ListItem>
  22. ?????????<asp:ListItem?Text="FTE"?Value="FTE"></asp:ListItem>
  23. ????????</asp:DropDownList><br?/>
  24. ????<input?id="Button1"?type="button"?value="button"?onclick="GetSalary()"?/><br?/>
  25. ????Result:<asp:Label?ID="lblResult"?runat="server"?Text=""></asp:Label>
  26. ????
  28. ????<script?language="javascript"?type="text/javascript">
  29. ????function?GetSalary(){
  30. ????????var?emp=null;
  31. ????????var?combo=$get("ddltype");
  32. ????????switch(combo.options[combo.selectedIndex].text){
  33. ????????????case?"Intern":
  34. ????????????????emp=new?AJAXEnabledWebApplication3.Intern();
  35. ????????????break;
  36. ????????????case?"Vendor":
  37. ?????????????????emp=new?AJAXEnabledWebApplication3.Vendor();
  38. ????????????break;
  39. ????????????case?"FTE":
  40. ????????????????emp=new?AJAXEnabledWebApplication3.FullTimeEmployee();
  41. ????????????break;
  42. ????????}
  43. ?? ? ? ? //parseInt()的作用就是把一个字符串转化成10进制的方式 可以转化成 2， 8 ， 16进制
  44. ?? ? ? ?
  45. ????????emp.Years=parseInt($get("txtYear").value,10);
  46. ????????AJAXEnabledWebApplication3.employeeService.GetSalary(emp,succeeded);
  47. ????}
  48. ????function?succeeded(result){
  49. ????????$get("lblResult").innerHTML=result;
  50. ????}
  51. ????</script>
  52. ????</form>
  53. </body>
  54. </html>
aspx页面代码：

  1. <%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="WebForm2.aspx.cs"?Inherits="AJAXEnabledWebApplication3.WebForm2"?%>
  3. <!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  5. <html?xmlns="http://www.w3.org/1999/xhtml"?>
  6. <head?runat="server">
  7. ????<title>无标题页</title>
  8. </head>
  9. <body>
  10. ????<form?id="form1"?runat="server">
  11. ????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
  12. ????<Services>
  13. ????<asp:ServiceReference?Path="TableWebService.asmx"?/>
  14. ????</Services>
  15. ????</asp:ScriptManager>
  16. ????<input?id="Button1"?type="button"?value="getTable"?onclick="getTable()"/>
  17. ????<div?id="result"></div>
  18. ????<script?language="javascript"?type="text/javascript">
  19. ????????function?getTable(){
  20. ??????????AJAXEnabledWebApplication3.TableWebService.GetTable(getSueecceded,getFailed);
  21. ????????}
  22. ????????function?getSueecceded(result){
  23. ????????????//alert(result);
  24. ????????????var?sb=new?Sys.StringBuilder("<Table?border='1'>");
  25. ????????????sb.append("<tr><td>ID</td><td>Text</td></tr>");
  26. ????????????for(var?i=0;i<result.rows.length;i++){
  27. ????????????sb.append(
  28. ??????????????????String.format("<tr><td>{0}</td><td>{1}</td></tr>",
  29. ???????????????????result.rows[i].ID,
  30. ???????????????????result.rows[i]["Text"]
  31. ????????????));
  32. ????????????????$get("result").innerHTML=sb.toString();
  33. ????????????}
  34. ????????????sb.append("</Table>");
  35. ????????}
  36. ????????function?getFailed(error){
  37. ????????????alert(error.get_message());
  38. ????????}
  39. ????</script>
  40. ????</form>
  41. </body>
  42. </html>
需要对web.config做一些更改

  1. <system.web.extensions>
  2. ????<scripting>
  3. ??????<webServices>
  4. ??????<!--?Uncomment?this?line?to?customize?maxJsonLength?and?add?a?custom?converter?-->
  6. ??????????<jsonSerialization?maxJsonLength="500">
  7. ??????????????<converters>
  8. ??????????????????<add?name="DataSetConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter,?Microsoft.Web.Preview,?Version=1.0.61025.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"/>
  9. ??????????????????<add?name="DataRowConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataRowConverter,?PublicKeyToken=31bf3856ad364e35"/>
  10. ??????????????????<add?name="DataTableConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataTableConverter,?PublicKeyToken=31bf3856ad364e35"/>
  11. ??????????????</converters>
  12. ??????????</jsonSerialization>
  14. ??????<!--?Uncomment?this?line?to?enable?the?authentication?service.?Include?requireSSL="true"?if?appropriate.?-->
  15. ??????<!--
  16. ????????<authenticationService?enabled="true"?requireSSL?=?"true|false"/>
  17. ??????-->
  19. ??????<!--?Uncomment?these?lines?to?enable?the?profile?service.?To?allow?profile?properties?to?be?retrieved
  20. ???????????and?modified?in?ASP.NET?AJAX?applications,?you?need?to?add?each?property?name?to?the?readAccessProperties?and
  21. ???????????writeAccessProperties?attributes.?-->
  22. ??????<!--
  23. ??????<profileService?enabled="true"
  24. ??????????????????????readAccessProperties="propertyname1,propertyname2"
  25. ??????????????????????writeAccessProperties="propertyname1,propertyname2"?/>
  26. ??????-->
  27. ??????</webServices>
  28. ??????<!--
  29. ??????<scriptResourceHandler?enableCompression="true"?enableCaching="true"?/>
  30. ??????-->
  31. ????</scripting>
  32. ??</system.web.extensions>
另：需要引入ASP.NET 2.0 AJAX Futures January CTP中的一个Microsoft.Web.Preview.dll文件,里面提供了上面配置文件中　　的一些类和方法，引入dll后必须更改web.config不然会原有的代码可能会有冲突

4,使用 JavaScriptConverter

复杂类型作为返回值时可能会出现问题 --循环引用

解决方法：适用自定义数据类型封装复杂类型
?? ? ? ? ? ? ? 在web.config里定义一个Converter

例子：
webService方法中返回一个表格

  1. using?System;
  2. using?System.Collections;
  3. using?System.ComponentModel;
  4. using?System.Data;
  5. using?System.Web;
  6. using?System.Web.Services;
  7. using?System.Web.Services.Protocols;
  9. namespace?AJAXEnabledWebApplication3
  10. {
  11. ????///?<summary>
  12. ????///?TableWebService?的摘要说明
  13. ????///?</summary>
  14. ????[WebService(Namespace?=?"http://tempuri.org/")]
  15. ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
  16. ????[ToolboxItem(false)]
  17. ????[System.Web.Script.Services.ScriptService]
  18. ????public?class?TableWebService?:?System.Web.Services.WebService
  19. ????{
  21. ????????[WebMethod]
  22. ????????//返回一个表格
  23. ????????public?DataTable?GetTable()
  24. ????????{
  25. ????????????DataTable?dt?=?new?DataTable();
  26. ????????????dt.Columns.Add(new?DataColumn("ID",typeof(int)));
  27. ????????????dt.Columns.Add(new?DataColumn("Text",typeof(string)));
  28. ????????????Random?random=new?Random(DateTime.Now.Millisecond);
  29. ????????????for?(int?i?=?0;?i?<?10;?i++)
  30. ????????????{
  31. ????????????????dt.Rows.Add(i,random.Next(0,100).ToString());
  32. ????????????}
  33. ????????????return?dt;
  35. ????????}
  36. ????}
  37. }
aspx代码：　

  1. <%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="WebForm2.aspx.cs"?Inherits="AJAXEnabledWebApplication3.WebForm2"?%>
  3. <!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  5. <html?xmlns="http://www.w3.org/1999/xhtml"?>
  6. <head?runat="server">
  7. ????<title>无标题页</title>
  8. </head>
  9. <body>
  10. ????<form?id="form1"?runat="server">
  11. ????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
  12. ????<Services>
  13. ????<asp:ServiceReference?Path="TableWebService.asmx"?/>
  14. ????</Services>
  15. ????</asp:ScriptManager>
  16. ????<input?id="Button1"?type="button"?value="getTable"?onclick="getTable()"/>
  17. ????<div?id="result"></div>
  18. ????<script?language="javascript"?type="text/javascript">
  19. ????????function?getTable(){
  20. ??????????AJAXEnabledWebApplication3.TableWebService.GetTable(getSueecceded,
  21. ???????????????????result.rows[i]["Text"]
  22. ????????????));
  23. ????????????????$get("result").innerHTML=sb.toString();
  24. ????????????}
  25. ????????????sb.append("</Table>");
  26. ????????}
  27. ????????function?getFailed(error){
  28. ????????????alert(error.get_message());
  29. ????????}
  30. ????</script>
  31. ????</form>
  32. </body>
  33. </html>
只写上面的代码会有错误，另我们需要引用ASP.NET 2.0 AJAX Futures January CTP中v1.0.61025下的一个Microsoft.Web.Preview.dll的dll ?然后把v1.0.61025下的　web_CTP.config中的
  1. ??????<jsonSerialization?maxJsonLength="500">
  2. ??????????????<converters>
  3. ??????????????????<add?name="DataSetConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter,?PublicKeyToken=31bf3856ad364e35"/>
  4. ??????????????????<add?name="DataRowConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataRowConverter,?PublicKeyToken=31bf3856ad364e35"/>
  5. ??????????????????<add?name="DataTableConverter"?type="Microsoft.Web.Preview.Script.Serialization.Converters.DataTableConverter,?PublicKeyToken=31bf3856ad364e35"/>
  6. ??????????????</converters>
  7. ??????????</jsonSerialization>
代码添加到web.config对应的代码中就ok

上面的步骤必须同时添加，只添加引用不改　web.config会和其他代码发生错误，原因还不知道～

5,自定义JavaScriptConverter

目的：用于处理复杂类型，处理循环引用，简化默认的复杂序列化和反序列化行为
过程：定义一个Converter继承JavaScriptConerter类
?? ? ? ? 实现SupportedTypes
?? ? ? ? 实现Serialize方法用于复杂数据
?? ? ? ? 实现Deserialize方法用于反序列化复杂数据
?? ? ? ? 在web.config中注册converter

例子回头补上～

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