jQuery AJAX 調用WebService

來源:互聯網
上載者:User

用jQuery調用其他項目的WebService

實現登入驗證功能

html輸入使用者名稱密碼:

代碼

        <table style="width: 400px">
            <tr>
                <td style="width: 200px" class="left">
                    Login ID:
                </td>
                <td style="width: 200px" class="left">
                    <input id="txtLoginID" type="text" style="width: 190px;" value="" />
                </td>
            </tr>
            <tr>
                <td style="width: 200px" class="left">
                    Login Password:
                </td>
                <td style="width: 200px" class="left">
                    <input id="txtLoginPW" type="password" style="width: 190px;" value="" />
                </td>
            </tr>
            <tr>
                <td style="width: 200px" class="center">
                    <input id="btnSignin" value="Sign in" class="button" readonly />
                </td>
                <td style="width: 200px" class="center">
                    <input id="btnSignup" value="Sign up" class="button" readonly />
                </td>
            </tr>
        </table>

 

Jquery引用和登入事件

代碼

<script src="js/jquery-1.4.2.min.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">
    $(document).ready(function() 
    {
    $('#btnSignin').click
    (function() 
    {
      $.ajax
      (
      {
        type: "POST",  
        contentType: "application/json", 
        url: serviceURL+"/UserLogin", 
        data: "{UserLoginID:'"+$('#txtLoginID').val()+"',UserLoginPW:'"+$('#txtLoginPW').val()+"'}",      
        dataType: 'json',
        success: function(result) 
        {
            var user = eval(result.d);
          location.href = "Welcome.aspx?userID="+user.UserID    
         },
         error: function(result, status) 
         {
             if(status == 'timeout') 
             {
                 alert("The request timed out, please resubmit"); 
             }
             else
             {
                 if(result.responseText !="")
                 {
                     eval("exception = "+result.responseText);
                alert(exception.Message);
            }
          }
        }
      }
      );
    }
    );
   });
  
  $(document).ready(function() 
    {
    $('#btnSignup').click
    (function() 
    {
      location.href = "Signup/Signup.aspx";
    })      
   });
    </script>

 

serviceURL類似:var serviceURL = "http://localhost:1742/SoldierServices.asmx";

WebService代碼:

代碼

    /// <summary>
    /// Summary description for SoldierServices
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [ToolboxItem(false)]
    // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
    [System.Web.Script.Services.ScriptService]
    public class SoldierServices : System.Web.Services.WebService
    {

        [WebMethod]
        public User UserLogin(string UserLoginID, string UserLoginPW)
        {
            LoginBusiness lb = new LoginBusiness();
            return lb.UserLogin(UserLoginID, UserLoginPW);
        }

        [WebMethod]
        public User GetUserInfo(string UserID)
        {
            LoginBusiness lb = new LoginBusiness();
            return lb.GetUserInfo(UserID);
        }
    }

 

注意:[System.Web.Script.Services.ScriptService]預設是注釋的,要把注釋去掉

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