Jquery ajax调用webservice总结

桃扇骨 2022-09-26 11:59 167阅读 0赞

[Jquery ajax调用webservice总结][Jquery ajax_webservice]

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

![复制代码][copycode.gif]

///
         
          
         
          <summary>
         
          
         
          ///
         
          UserValidate 的摘要说明 
         
          ///
         
          
         
          </summary>
         
          
         
          [WebService(Namespace 
         
          =
         
          
         
          "
         
          http://tempuri.org/
         
          "
         
          )] [WebServiceBinding(ConformsTo 
         
          =
         
          WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(
         
          false
         
          )] 
         
          //
         
          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。
         
          
         
          [System.Web.Script.Services.ScriptService] 
         
          public
         
          
         
          class
         
          UserValidate : System.Web.Services.WebService { DFHon.Content.Common.rootPublic rp 
         
          =
         
          
         
          new
         
          DFHon.Content.Common.rootPublic(); [WebMethod] [ScriptMethod(ResponseFormat 
         
          =
         
          ResponseFormat.Json)] 
         
          public
         
          
         
          string
         
          ValidateUserLogState() { 
         
          string
         
          result 
         
          =
         
          
         
          ""
         
          ; HttpCookie cookie 
         
          =
         
          HttpContext.Current.Request.Cookies[
         
          "
         
          DHFonMenberInfo
         
          "
         
          ]; 
         
          if
         
          (cookie 
         
          !=
         
          
         
          null
         
          ) { 
         
          string
         
          username 
         
          =
         
          System.Web.HttpUtility.UrlDecode(cookie[
         
          "
         
          MenberName
         
          "
         
          ]); 
         
          int
         
          ipoint 
         
          =
         
          
         
          0
         
          ; 
         
          int
         
          gpoint 
         
          =
         
          
         
          0
         
          ; 
         
          try
         
          { DataTable dt 
         
          =
         
          UserBll.ExecuteUserAllInfo(username); 
         
          if
         
          (dt.Rows.Count 
         
          >
         
          
         
          0
         
          ) { ipoint 
         
          =
         
          
         
          int
         
          .Parse(dt.Rows[
         
          0
         
          ][
         
          "
         
          iPoint
         
          "
         
          ].ToString()); gpoint 
         
          =
         
          
         
          int
         
          .Parse(dt.Rows[
         
          0
         
          ][
         
          "
         
          gPoint
         
          "
         
          ].ToString()); } } 
         
          catch
         
          { } result 
         
          =
         
          
         
          "
         
          {'user':{'id':'
         
          "
         
          
         
          +
         
          cookie[
         
          "
         
          UserId
         
          "
         
          ] 
         
          +
         
          
         
          "
         
          ','name':'
         
          "
         
          
         
          +
         
          username 
         
          +
         
          
         
          "
         
          ','message':'
         
          "
         
          
         
          +
         
          rp.getUserMsg(DFHon.Global.CurrentCookie.UserName) 
         
          +
         
          
         
          "
         
          ','ipoint':'
         
          "
         
          
         
          +
         
          ipoint.ToString() 
         
          +
         
          
         
          "
         
          ','gpoint':'
         
          "
         
          
         
          +
         
          gpoint.ToString() 
         
          +
         
          
         
          "
         
          '}}
         
          "
         
          ; } 
         
          else
         
          { result 
         
          =
         
          
         
          "
         
          {'user':{'id':'0','name':'','message':'0','ipoint':'0','gpoint':'0'}}
         
          "
         
          ; } 
         
          return
         
          result; } [WebMethod] [ScriptMethod(ResponseFormat 
         
          =
         
          ResponseFormat.Json)] 
         
          public
         
          
         
          string
         
          UserLogin(
         
          string
         
          userName, 
         
          string
         
          userPwd) { 
         
          string
         
          returnVal 
         
          =
         
          
         
          ""
         
          ; 
         
          try
         
          { GlobalUserInfo info; DFHon.Content.UserLogin _UserLogin 
         
          =
         
          
         
          new
         
          DFHon.Content.UserLogin(); EnumLoginState state 
         
          =
         
          _UserLogin.PersonLogin(HttpUtility.UrlDecode(userName), userPwd, 
         
          out
         
          info); 
         
          if
         
          (state 
         
          ==
         
          EnumLoginState.Succeed) { DFHon.Global.CurrentCookie.Set(info); DFHon.API.PDO.DiscuzNT.PassportLogin.UserLogin(Server.UrlDecode(userName), userPwd, 
         
          -
         
          1
         
          ); 
         
          int
         
          ipoint 
         
          =
         
          
         
          0
         
          ; 
         
          int
         
          gpoint 
         
          =
         
          
         
          0
         
          ; DataTable dt 
         
          =
         
          UserBll.ExecuteUserAllInfo(userName); 
         
          if
         
          (dt.Rows.Count 
         
          >
         
          
         
          0
         
          ) { ipoint 
         
          =
         
          
         
          int
         
          .Parse(dt.Rows[
         
          0
         
          ][
         
          "
         
          iPoint
         
          "
         
          ].ToString()); gpoint 
         
          =
         
          
         
          int
         
          .Parse(dt.Rows[
         
          0
         
          ][
         
          "
         
          gPoint
         
          "
         
          ].ToString()); } returnVal 
         
          =
         
          
         
          "
         
          {'user':{'id':'
         
          "
         
          
         
          +
         
          info.UserId.ToString() 
         
          +
         
          
         
          "
         
          ','name':'
         
          "
         
          
         
          +
         
          info.UserName 
         
          +
         
          
         
          "
         
          ','message':'
         
          "
         
          
         
          +
         
          rp.getUserMsg(userName) 
         
          +
         
          
         
          "
         
          ','ipoint':'
         
          "
         
          
         
          +
         
          ipoint.ToString() 
         
          +
         
          
         
          "
         
          ','gpoint':'
         
          "
         
          
         
          +
         
          gpoint.ToString() 
         
          +
         
          
         
          "
         
          '}}
         
          "
         
          ; } 
         
          else
         
          { 
         
          int
         
          ids 
         
          =
         
          
         
          0
         
          ;
         
          //
         
          状态：-2用户被锁定 -1用户名密码错误
         
          
         
          
         
          switch
         
          (state) { 
         
          case
         
          EnumLoginState.Err_Locked: ids 
         
          =
         
          
         
          -
         
          2
         
          ; 
         
          break
         
          ; 
         
          case
         
          EnumLoginState.Err_UserNameOrPwdError: ids 
         
          =
         
          
         
          -
         
          1
         
          ; 
         
          break
         
          ; 
         
          default
         
          : 
         
          break
         
          ; } returnVal 
         
          =
         
          
         
          "
         
          {'user':{'id':'
         
          "
         
          
         
          +
         
          ids 
         
          +
         
          
         
          "
         
          ','name':'','message':'0','ipoint':'0','gpoint':'0'}}
         
          "
         
          ; } } 
         
          catch
         
          { returnVal 
         
          =
         
          
         
          "
         
          {'user':{'id':'0','name':'','message':'0','ipoint':'0','gpoint':'0'}}
         
          "
         
          ; } 
         
          return
         
          returnVal; } [WebMethod] 
         
          public
         
          
         
          string
         
          UserLogout() { 
         
          if
         
          (HttpContext.Current.Request.Cookies[
         
          "
         
          DHFonMenberInfo
         
          "
         
          ] 
         
          !=
         
          
         
          null
         
          ) { HttpCookie cookie 
         
          =
         
          
         
          new
         
          HttpCookie(
         
          "
         
          DHFonMenberInfo
         
          "
         
          ); cookie.Expires 
         
          =
         
          System.DateTime.Now.AddDays(
         
          -
         
          1
         
          ); cookie.Domain 
         
          =
         
          DFHon.Config.BaseConfig.getV(
         
          "
         
          weblogin
         
          "
         
          ); HttpContext.Current.Response.AppendCookie(cookie); } 
         
          return
         
          
         
          "
         
          1
         
          "
         
          ; } DFHon.Content.user UserBll 
         
          =
         
          
         
          new
         
          DFHon.Content.user(); [WebMethod] 
         
          public
         
          
         
          string
         
          ValidateUserEmail(
         
          string
         
          email) { 
         
          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
         
          
         
          
         
          if
         
          (
         
          string
         
          .IsNullOrEmpty(email)) { result 
         
          =
         
          
         
          "
         
          -2
         
          "
         
          ;
         
          //
         
          邮箱为空
         
          
         
          } 
         
          else
         
          
         
          if
         
          (
         
          !
         
          IsValidEmail(email)) { result 
         
          =
         
          
         
          "
         
          -1
         
          "
         
          ;
         
          //
         
          邮箱格式不正确
         
          
         
          } 
         
          else
         
          
         
          if
         
          (UserBll.sel_useremail(email) 
         
          >
         
          
         
          0
         
          ) { result 
         
          =
         
          
         
          "
         
          0
         
          "
         
          ;
         
          //
         
          邮箱存在
         
          
         
          } 
         
          else
         
          { result 
         
          =
         
          
         
          "
         
          1
         
          "
         
          ;
         
          //
         
          可以注册
         
          
         
          } 
         
          return
         
          result; } [WebMethod] 
         
          public
         
          
         
          string
         
          ValidateUserName(
         
          string
         
          username) { 
         
          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
         
          
         
          
         
          if
         
          (username 
         
          ==
         
          
         
          ""
         
          
         
          ||
         
          username 
         
          ==
         
          
         
          null
         
          
         
          ||
         
          username.Length 
         
          <
         
          
         
          2
         
          
         
          ||
         
          username.Length 
         
          >
         
          
         
          16
         
          ) { result 
         
          =
         
          
         
          "
         
          -1
         
          "
         
          ; } 
         
          else
         
          
         
          if
         
          (UserBll.sel_username(username) 
         
          !=
         
          
         
          0
         
          ) { result 
         
          =
         
          
         
          "
         
          0
         
          "
         
          ; } 
         
          else
         
          { result 
         
          =
         
          
         
          "
         
          1
         
          "
         
          ; } 
         
          return
         
          result; } 
         
          public
         
          
         
          bool
         
          IsValidEmail(
         
          string
         
          strIn) { 
         
          //
         
          Return true if strIn is in valid e-mail format. 
         
          
         
          
         
          return
         
          System.Text.RegularExpressions.Regex.IsMatch(strIn, 
         
          @"
         
          ^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$
         
          "
         
          ); } }

![复制代码][copycode.gif]

3、前台JQuery代码

![复制代码][copycode.gif]

<
         
          script
         
          >
         
          $(
         
          function
         
          () { $(
         
          "
         
          #userloging
         
          "
         
          ).show(); 
         
          //
         
          登录框处理开始
         
          
         
          
         
          //
         
          加载登录状态
         
          
         
          $.ajax({ type: 
         
          "
         
          POST
         
          "
         
          , 
         
          //
         
          访问WebService使用Post方式请求
         
          
         
          contentType: 
         
          "
         
          application/json;charset=utf-8
         
          "
         
          , 
         
          //
         
          WebService 会返回Json类型
         
          
         
          url: 
         
          "
         
          /API/Service/UserValidate.asmx/ValidateUserLogState
         
          "
         
          , 
         
          //
         
          调用WebService
         
          
         
          data: 
         
          "
         
          {}
         
          "
         
          , 
         
          //
         
          Email参数
         
          
         
          dataType: 
         
          '
         
          json
         
          '
         
          , beforeSend: 
         
          function
         
          (x) { x.setRequestHeader(
         
          "
         
          Content-Type
         
          "
         
          , 
         
          "
         
          application/json; charset=utf-8
         
          "
         
          ); }, error: 
         
          function
         
          (x, e) { }, success: 
         
          function
         
          (response) { 
         
          //
         
          回调函数，result，返回值
         
          
         
          $(
         
          "
         
          #userloging
         
          "
         
          ).hide(); 
         
          var
         
          json 
         
          =
         
          eval(
         
          '
         
          (
         
          '
         
          
         
          +
         
          response.d 
         
          +
         
          
         
          '
         
          )
         
          '
         
          ); 
         
          var
         
          userid 
         
          =
         
          json.user.id; 
         
          if
         
          (userid 
         
          >
         
          
         
          0
         
          ) { $(
         
          "
         
          #spanusername
         
          "
         
          ).html(json.user.name); $(
         
          "
         
          #spanmessagenum
         
          "
         
          ).html(json.user.message); $(
         
          "
         
          #userloginsucced
         
          "
         
          ).show(); $(
         
          "
         
          #userloginbox
         
          "
         
          ).hide(); } } }); 
         
          //
         
          登录
         
          
         
          $(
         
          "
         
          #userlogbutton
         
          "
         
          ).click(
         
          function
         
          () { 
         
          var
         
          username 
         
          =
         
          $(
         
          "
         
          #username
         
          "
         
          ).val(); 
         
          var
         
          userpwd 
         
          =
         
          $(
         
          "
         
          #userpassword
         
          "
         
          ).val(); 
         
          if
         
          (username 
         
          !=
         
          
         
          ""
         
          
         
          &&
         
          userpwd 
         
          !=
         
          
         
          ""
         
          ) { $(
         
          "
         
          #userloging
         
          "
         
          ).show(); $.ajax({ type: 
         
          "
         
          POST
         
          "
         
          , 
         
          //
         
          访问WebService使用Post方式请求
         
          
         
          contentType: 
         
          "
         
          application/json;charset=utf-8
         
          "
         
          , 
         
          //
         
          WebService 会返回Json类型
         
          
         
          url: 
         
          "
         
          /API/Service/UserValidate.asmx/UserLogin
         
          "
         
          , 
         
          //
         
          调用WebService
         
          
         
          data: 
         
          "
         
          {userName:'
         
          "
         
          
         
          +
         
          username 
         
          +
         
          
         
          "
         
          ',userPwd:'
         
          "
         
          
         
          +
         
          userpwd 
         
          +
         
          
         
          "
         
          '}
         
          "
         
          , 
         
          //
         
          Email参数
         
          
         
          dataType: 
         
          '
         
          json
         
          '
         
          , beforeSend: 
         
          function
         
          (x) { x.setRequestHeader(
         
          "
         
          Content-Type
         
          "
         
          , 
         
          "
         
          application/json; charset=utf-8
         
          "
         
          ); }, error: 
         
          function
         
          (x, e) { }, success: 
         
          function
         
          (result) { 
         
          //
         
          回调函数，result，返回值
         
          
         
          $(
         
          "
         
          #userloging
         
          "
         
          ).hide(); 
         
          var
         
          json 
         
          =
         
          eval(
         
          '
         
          (
         
          '
         
          
         
          +
         
          result.d 
         
          +
         
          
         
          '
         
          )
         
          '
         
          ); 
         
          var
         
          userid 
         
          =
         
          json.user.id; 
         
          if
         
          (userid 
         
          >
         
          
         
          0
         
          ) { $(
         
          "
         
          #spanusername
         
          "
         
          ).html(json.user.name); $(
         
          "
         
          #spanmessagenum
         
          "
         
          ).html(json.user.message); $(
         
          "
         
          #userloginsucced
         
          "
         
          ).show(); $(
         
          "
         
          #userloginbox
         
          "
         
          ).hide(); } 
         
          else
         
          { 
         
          switch
         
          (userid) { 
         
          case
         
          
         
          -
         
          2
         
          : alert(
         
          "
         
          用户被锁定！请30分钟后再登录！
         
          "
         
          ); $(
         
          "
         
          #username
         
          "
         
          ).focus(); 
         
          break
         
          ; 
         
          case
         
          
         
          -
         
          1
         
          : alert(
         
          "
         
          用户名或密码错误！请核对您的用户名和密码！
         
          "
         
          ); $(
         
          "
         
          #userpassword
         
          "
         
          ).focus(); 
         
          break
         
          ; 
         
          default
         
          : alert(
         
          "
         
          登录失败！请核对您的用户名和密码之后重试！
         
          "
         
          ); $(
         
          "
         
          #userpassword
         
          "
         
          ).focus(); 
         
          break
         
          ; } } } }); } 
         
          else
         
          
         
          if
         
          (username 
         
          ==
         
          
         
          ""
         
          ) { alert(
         
          "
         
          用户名不能为空！
         
          "
         
          ); $(
         
          "
         
          #username
         
          "
         
          ).focus(); } 
         
          else
         
          
         
          if
         
          (userpwd 
         
          ==
         
          
         
          ""
         
          ) { alert(
         
          "
         
          密码不能为空！
         
          "
         
          ); $(
         
          "
         
          #userpassword
         
          "
         
          ).focus(); } }); 
         
          //
         
          退出
         
          
         
          $(
         
          "
         
          #logout
         
          "
         
          ).click(
         
          function
         
          () { $(
         
          "
         
          #userloging
         
          "
         
          ).show(); $.ajax({ type: 
         
          "
         
          POST
         
          "
         
          , 
         
          //
         
          访问WebService使用Post方式请求
         
          
         
          contentType: 
         
          "
         
          application/json;utf-8
         
          "
         
          , 
         
          //
         
          WebService 会返回Json类型
         
          
         
          url: 
         
          "
         
          /API/Service/UserValidate.asmx/UserLogout
         
          "
         
          , 
         
          //
         
          调用WebService
         
          
         
          data: 
         
          "
         
          {}
         
          "
         
          , 
         
          //
         
          Email参数
         
          
         
          dataType: 
         
          '
         
          json
         
          '
         
          , beforeSend: 
         
          function
         
          (x) { x.setRequestHeader(
         
          "
         
          Content-Type
         
          "
         
          , 
         
          "
         
          application/json; charset=utf-8
         
          "
         
          ); }, success: 
         
          function
         
          (result) { 
         
          //
         
          回调函数，result，返回值
         
          
         
          $(
         
          "
         
          #userloging
         
          "
         
          ).hide(); 
         
          if
         
          (result.d 
         
          >
         
          
         
          0
         
          ) { $(
         
          "
         
          #userloginsucced
         
          "
         
          ).hide(); $(
         
          "
         
          #userloginbox
         
          "
         
          ).show(); } } }); }); 
         
          //
         
          登录框处理结束
         
          
         
          }); 
         
          <
         
          /
         
          script>

![复制代码][copycode.gif]

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posted @ 2010-05-17 13:03 [ 幽灵编程][Link 4] 阅读( 25323) 评论( 2) [ 编辑][Link 5] [ 收藏][Link 6]

[\#1楼][1]  2013-05-16 21:29 | [ （二少）在南极][Link 7] [  ][Link 8]

你的WEB》CONFIG里面的配置放到里面报错呀？是怎么会事？  
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[\#2楼][2]  2836223 2013/12/12 22:08:16 2013-12-12 22:08 | [ YoMe][YoMe] [  ][Link 9]

请问result.d什么意思？

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