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http://www.kwstu.com/ArticleView/kwstu_201331316441313
貌似AJAX越来越火了,作为一个WEB程序开发者要是不会这个感觉就要落伍,甚至有可能在求职的时候屡被淘汰。我也是一个WEB程序开发者,当然我也要“随波逐流”一把,不然饭碗不保啊!
之前实现AJAX使用Javascript脚本一个一个敲出来的,很繁琐。学习 Jquery之后就感觉实现AJAX并不是那么的困难了,当然除了Jquery框架外还有其它的优秀框架这里我就着重说下比较流行的Jquery。 Jquery AJAX提交表单有两种方式,一是url参数提交数据,二是form提交(和平常一样在后台可以获取到Form表单的值)。在所要提交的表单中,如果元素 很多的话建议用第二种方式进行提交,当然你要是想练练“打字水平”的话用第一种方式提交也未尝不可,相信开发者都不想费白劲吧!废话不多说了贴实例。
首先要下载Jquery、Jquery.form这两个插件,网上很多的!
一:Url参数提交数据
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<script type = "text/javascript" src = "../js/jquery.js" ></script> <script type= "text/javascript" > function checkCorpID() //检测客户编号是否可用 { if ($.trim($( "#txtF_CORPID" )[ 0 ].value)== "" ) //txtF_CORPID是客户编号输入框 { alert( "请输入客户编号!" ); } else { $( "#checkFlag" ).html( "正在检测" ); //显示提示信息 $.ajax({ type: "get" , url: "CheckCorpID.ashx" , data: "ID=" +$.trim($( "#txtF_CORPID" )[ 0 ].value), //提交表单,相当于CheckCorpID.ashx?ID=XXX success: function(msg){$( "#checkFlag" ).html( "" );alert( msg ); } //操作成功后的操作!msg是后台传过来的值 }); } } </script> |
后台代码:
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if (context.Request.Params[ "ID" ].ToString()!= "" ) { Pxt.Logic.SYS.CORP_BASE_INFO cbiL = new Pxt.Logic.SYS.CORP_BASE_INFO(); bool flag=cbiL.checkCorpID(context.Request.Params[ "ID" ].ToString()); if (flag) { context.Response.Write( "该客户编号已被占用!" ); } else { context.Response.Write( "该客户编号可用!" ); } } |
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<script type = "text/javascript" src = "../js/jquery.js" ></script> //必须要引用 <script type = "text/javascript" src = "../js/jquery.form.js" ></script> //必须要引用 <script type= "text/javascript" > // wait for the DOM to be loaded $(document).ready(function() { $( ‘#Tip‘ ).hide(); //显示操作提示的元素不可见 $( ‘#form1‘ ).submit(function() //提交表单 { //alert("ddd"); var options = { target: ‘#Tip‘ , //后台将把传递过来的值赋给该元素 url: ‘ReturnVisit.aspx?flag=do‘ , //提交给哪个执行 type: ‘POST‘ , success: function(){ alert($( ‘#Tip‘ ).text());} //显示操作提示 }; $( ‘#form1‘ ).ajaxSubmit(options); return false ; //为了不刷新页面,返回false,反正都已经在后台执行完了,没事! }); } ); </script> <body> <form id= "form1" runat= "server" > <div> <table width= "100%" border= "0" align= "center" cellpadding= "0" cellspacing= "0" > <tr> <td colspan= "2" class = "tableCategory" >客户回访</td> </tr> <tr> <td width= "30%" class = "tableBg1" >客户名称:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_CorpName" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >回访主题:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ReturnVisitTitle" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >联系人:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ContractPerson" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >联系人职务:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ContractPersonPosition" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >联系电话:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ContractPhone" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >回访时间:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ReturnVisitDate" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >回访内容:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ReturnVisitContent" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" >回访相关文档:</td> <td class = "tableBg2" > <asp:TextBox ID= "txtF_ReturnVisitFile" runat= "server" ></asp:TextBox> </td> </tr> <tr> <td width= "30%" class = "tableBg1" > </td> <td class = "tableBg2" > <asp:Button ID= "Submit_BT" runat= "server" Text= "确定" CssClass= "button" /> <input type= "reset" class = "button" value= "还原" /> </td> </tr> </table> <span id= "Tip" ></span> </div> </form> </body> |
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protected void Page_Load(object sender, EventArgs e) { { if (Request.QueryString[ "flag" ] != null && Request.QueryString[ "flag" ].ToString() == "do" ) { Pxt.Logic.DBRec.ReturnVisit bll = new Pxt.Logic.DBRec.ReturnVisit(); if (bll.Add(model( 0 )) > 0 ) { Response.Write( "操作成功!" ); Response.End(); } } } } /// <summary> /// 根据不同需要,设定模型->获取模型 /// </summary> /// <param name="id">ID值</param> /// <returns></returns> private Pxt.Model.DBRec.ReturnVisit model( int id) { //获取表单值 string F_CorpName = Request.Form[ "txtF_CorpName" ].ToString(); string F_ReturnVisitTitle = Request.Form[ "txtF_ReturnVisitTitle" ].ToString(); string F_ContractPerson = Request.Form[ "txtF_ContractPerson" ].ToString(); string F_ContractPersonPosition = Request.Form[ "txtF_ContractPersonPosition" ].ToString(); string F_ContractPhone = Request.Form[ "txtF_ContractPhone" ].ToString(); DateTime F_ReturnVisitDate = DateTime.Parse(Request.Form[ "txtF_ReturnVisitDate" ].ToString()); string F_ReturnVisitContent = Request.Form[ "txtF_ReturnVisitContent" ].ToString(); string F_ReturnVisitFile = Request.Form[ "txtF_ReturnVisitFile" ].ToString(); string Refer = Session[ "username" ].ToString(); DateTime DoTime = DateTime.Now.Date; Pxt.Model.DBRec.ReturnVisit model = new Pxt.Model.DBRec.ReturnVisit(); if (id > 0 ) //修改记录,否则表示增加记录 { model.ID = id; } model.F_CorpName = F_CorpName; model.F_ReturnVisitTitle = F_ReturnVisitTitle; model.F_ContractPerson = F_ContractPerson; model.F_ContractPersonPosition = F_ContractPersonPosition; model.F_ContractPhone = F_ContractPhone; model.F_ReturnVisitDate = F_ReturnVisitDate; model.F_ReturnVisitContent = F_ReturnVisitContent; model.F_ReturnVisitFile = F_ReturnVisitFile; model.Refer = Refer; model.DoTime = DoTime; return model; } |
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原文地址:http://www.cnblogs.com/zkwarrior/p/4802747.html