Jquery ajax调用webservice总结_H5之家 - 中国HTML5教程资源分享第一站

本文将为关注织梦者的朋友提供的是的Jquery ajax调用webservice总结相关教程，具体实例代码请看下文:

jquery ajax调用webservice(C#)要注意的几个事项：

1、web.config里需要配置2个地方

2.正确地编写webserivce的代码

1 /// <summary> 2 /// UserValidate 的摘要说明 3 /// </summary> 4 [WebService(Namespace = "http://tempuri.org/")] 5 [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] 6 [System.ComponentModel.ToolboxItem(false)] 7 // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。 8 [System.Web.Script.Services.ScriptService] 9 public class UserValidate : System.Web.Services.WebService 10 { 11 DFHon.Content.Common.rootPublic rp = new DFHon.Content.Common.rootPublic(); 12 [WebMethod] 13 [ScriptMethod(ResponseFormat = ResponseFormat.Json)] 14 public string ValidateUserLogState() 15 { 16 string result = ""; 17 HttpCookie cookie = HttpContext.Current.Request.Cookies["DHFonMenberInfo"]; 18 if (cookie != null) 19 { 20 string username = System.Web.HttpUtility.UrlDecode(cookie["MenberName"]); 21 int ipoint = 0; 22 int gpoint = 0; 23 try 24 { 25 DataTable dt = UserBll.ExecuteUserAllInfo(username); 26 27 if (dt.Rows.Count > 0) 28 { 29 ipoint = int.Parse(dt.Rows[0]["iPoint"].ToString()); 30 gpoint = int.Parse(dt.Rows[0]["gPoint"].ToString()); 31 } 32 } 33 catch 34 { } 35 result = "{'user':{'id':'" + cookie["UserId"] + "','name':'" + username + "','message':'" + rp.getUserMsg(DFHon.Global.CurrentCookie.UserName) + "','ipoint':'" + ipoint.ToString() + "','gpoint':'" + gpoint.ToString() + "'}}"; 36 } 37 else 38 { 39 result = "{'user':{'id':'0','name':'','message':'0','ipoint':'0','gpoint':'0'}}"; 40 } 41 return result; 42 } 43 44 [WebMethod] 45 [ScriptMethod(ResponseFormat = ResponseFormat.Json)] 46 public string UserLogin(string userName, string userPwd) 47 { 48 string returnVal = ""; 49 try 50 { 51 GlobalUserInfo info; 52 DFHon.Content.UserLogin _UserLogin = new DFHon.Content.UserLogin(); 53 EnumLoginState state = _UserLogin.PersonLogin(HttpUtility.UrlDecode(userName), userPwd, out info); 54 if (state == EnumLoginState.Succeed) 55 { 56 DFHon.Global.CurrentCookie.Set(info); 57 DFHon.API.PDO.DiscuzNT.PassportLogin.UserLogin(Server.UrlDecode(userName), userPwd, -1); 58 int ipoint = 0; 59 int gpoint = 0; 60 DataTable dt = UserBll.ExecuteUserAllInfo(userName); 61 62 if (dt.Rows.Count > 0) 63 { 64 ipoint = int.Parse(dt.Rows[0]["iPoint"].ToString()); 65 gpoint = int.Parse(dt.Rows[0]["gPoint"].ToString()); 66 } 67 returnVal = "{'user':{'id':'" + info.UserId.ToString() + "','name':'" + info.UserName + "','message':'" + rp.getUserMsg(userName) + "','ipoint':'" + ipoint.ToString() + "','gpoint':'" + gpoint.ToString() + "'}}"; 68 } 69 else 70 { 71 int ids = 0;//状态：-2用户被锁定 -1用户名密码错误 72 switch (state) 73 { 74 case EnumLoginState.Err_Locked: 75 ids = -2; 76 break; 77 case EnumLoginState.Err_UserNameOrPwdError: 78 ids = -1; 79 break; 80 default: 81 break; 82 } 83 returnVal = "{'user':{'id':'" + ids + "','name':'','message':'0','ipoint':'0','gpoint':'0'}}"; 84 } 85 } 86 catch 87 { 88 returnVal = "{'user':{'id':'0','name':'','message':'0','ipoint':'0','gpoint':'0'}}"; 89 } 90 return returnVal; 91 } 92 [WebMethod] 93 public string UserLogout() 94 { 95 if (HttpContext.Current.Request.Cookies["DHFonMenberInfo"] != null) 96 { 97 HttpCookie cookie = new HttpCookie("DHFonMenberInfo"); 98 cookie.Expires = System.DateTime.Now.AddDays(-1); 99 cookie.Domain = DFHon.Config.BaseConfig.getV("weblogin"); 100 HttpContext.Current.Response.AppendCookie(cookie); 101 } 102 return "1"; 103 } 104 DFHon.Content.user UserBll = new DFHon.Content.user(); 105 [WebMethod] 106 public string ValidateUserEmail(string email) 107 { 108 string result = "0";//返回的结果 -2邮箱为空 -1邮箱格式不正确 0邮箱存在 1填写正确 109 if (string.IsNullOrEmpty(email)) 110 { 111 result = "-2";//邮箱为空 112 } 113 else if (!IsValidEmail(email)) 114 { 115 result = "-1";//邮箱格式不正确 116 } 117 else if (UserBll.sel_useremail(email) > 0) 118 { 119 result = "0";//邮箱存在 120 } 121 else 122 { 123 result = "1";//可以注册 124 } 125 return result; 126 } 127 128 [WebMethod] 129 public string ValidateUserName(string username) 130 { 131 string result = "0";//返回值：-1用户名长度为2-16;0用户名存在;1可以注册 132 if (username == "" || username == null || username.Length < 2 || username.Length > 16) 133 { 134 result = "-1"; 135 } 136 else if (UserBll.sel_username(username) != 0) 137 { 138 result = "0"; 139 } 140 else 141 { 142 result = "1"; 143 } 144 return result; 145 } 146 147 public bool IsValidEmail(string strIn) 148 { // Return true if strIn is in valid e-mail format. 149 return System.Text.RegularExpressions.Regex.IsMatch(strIn, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); 150 } 151 } WebService 1 <script> 2 $(function() { 3 $("#userloging").show(); 4 //登录框处理开始 5 //加载登录状态 6 $.ajax({ 7 type: "POST", //访问WebService使用Post方式请求 8 contentType: "application/json;charset=utf-8", //WebService 会返回Json类型 9 url: "/API/Service/UserValidate.asmx/ValidateUserLogState", //调用WebService 10 data: "{}", //Email参数 11 dataType: 'json', 12 beforeSend: function(x) { x.setRequestHeader("Content-Type", "application/json; charset=utf-8"); }, 13 error: function(x, e) { }, 14 success: function(response) { //回调函数，result，返回值 15 $("#userloging").hide(); 16 var json = eval('(' + response.d + ')'); 17 var userid = json.user.id; 18 if (userid > 0) { 19 $("#spanusername").html(json.user.name); 20 $("#spanmessagenum").html(json.user.message); 21 $("#userloginsucced").show(); 22 $("#userloginbox").hide(); 23 } 24 } 25 }); 26 //登录 27 $("#userlogbutton").click(function() { 28 29 var username = $("#username").val(); 30 var userpwd = $("#userpassword").val(); 31 if (username != "" && userpwd != "") { 32 $("#userloging").show(); 33 $.ajax({ 34 type: "POST", //访问WebService使用Post方式请求 35 contentType: "application/json;charset=utf-8", //WebService 会返回Json类型 36 url: "/API/Service/UserValidate.asmx/UserLogin", //调用WebService 37 data: "{userName:'" + username + "',userPwd:'" + userpwd + "'}", //Email参数 38 dataType: 'json', 39 beforeSend: function(x) { x.setRequestHeader("Content-Type", "application/json; charset=utf-8"); }, 40 error: function(x, e) { 41 }, 42 success: function(result) { //回调函数，result，返回值 43 $("#userloging").hide(); 44 var json = eval('(' + result.d + ')'); 45 var userid = json.user.id; 46 if (userid > 0) { 47 $("#spanusername").html(json.user.name); 48 $("#spanmessagenum").html(json.user.message); 49 $("#userloginsucced").show(); 50 $("#userloginbox").hide(); 51 } 52 else { 53 switch (userid) { 54 case -2: 55 alert("用户被锁定！请30分钟后再登录！"); 56 $("#username").focus(); 57 break; 58 case -1: 59 alert("用户名或密码错误！请核对您的用户名和密码！"); 60 $("#userpassword").focus(); 61 break; 62 default: 63 alert("登录失败！请核对您的用户名和密码之后重试！"); 64 $("#userpassword").focus(); 65 break; 66 } 67 } 68 } 69 }); 70 } 71 else if (username == "") { 72 alert("用户名不能为空！"); 73 $("#username").focus(); 74 } 75 else if (userpwd == "") { 76 alert("密码不能为空！"); 77 $("#userpassword").focus(); 78 } 79 }); 80 //退出 81 $("#logout").click(function() { 82 $("#userloging").show(); 83 $.ajax({ 84 type: "POST", //访问WebService使用Post方式请求 85 contentType: "application/json;utf-8", //WebService 会返回Json类型 86 url: "/API/Service/UserValidate.asmx/UserLogout", //调用WebService 87 data: "{}", //Email参数 88 dataType: 'json', 89 beforeSend: function(x) { x.setRequestHeader("Content-Type", "application/json; charset=utf-8"); }, 90 success: function(result) { //回调函数，result，返回值 91 $("#userloging").hide(); 92 if (result.d > 0) { 93 $("#userloginsucced").hide(); 94 $("#userloginbox").show(); 95 } 96 } 97 }); 98 99 }); //登录框处理结束 100 101 }); 102 </script> ajax

通本学习您是不是更了解jQuery了呢．感谢关注织梦者

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