我试图使用ajax调用asp.net webservice提交一个简单的表单,但我在表单提交上收到"错误"警报。谁能告诉我下面的代码有什么问题?
HTML:<html>
<head>
<title>Facility</title>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.css" />
<script src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<script src="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.js"></script>
</head>
<body>
<div data-role="page" id="arealistpage">
<div data-role="header" data-theme="b">
<a href="Facility.aspx" class='ui-btn-left ui-btn-back' data-icon='arrow-l' rel="external">Back</a>
</div><!-- /header -->
<div data-role="content">
<form id="form1" data-ajax="false" method="post">
<div id="AreaNoDiv" data-role="fieldcontain" class="field">
<label for="Facility">Facility*</label>
<input id="Facility" name="shipNo_r" type="text" required/>
</div>
<div id="desDiv" data-role="fieldcontain" class="field">
<label for="des" id="Label1" name="fnameLabel">Description*</label>
<input id="des" name="fname_r" type="text" required/>
</div>
<div id="submitDiv" data-role="fieldcontain" style="width: 30%">
<input type="submit" value="Add Facility" data-inline="true" id="submit"/>
</div>
</form>
</div><!-- /content -->
<div data-role="footer" data-theme="b" data-position="fixed">
<div data-role="navbar">
<ul>
<li><a href="" data-role="tab" data-icon="arrow-u" class="returnTopAction">Top</a></li>
</ul>
</div>
</div>
</div><!-- /page -->
<script src="Submitscript.js" type="text/javascript"></script>
</body>
</html>
表单提交脚本:
$("#form1").submit(function () {
var serviceURL = 'service1.asmx/SubmitList';
var name = "chamara";
$.ajax({
type: "POST",
url: serviceURL,
data: '{"name":"' + name + '"}',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: successFunc,
error: errorFunc
});
function successFunc(data, status) {
// parse it as object
var outStr = JSON.parse(data.d);
alert(outStr);
}
function errorFunc() {
alert('error');
}
});
Web服务:using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Script.Serialization;
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
[System.Web.Script.Services.ScriptService]
public class Service1 : System.Web.Services.WebService {
[WebMethod]
public string SubmitList(string name)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
string str = "Your Name is"+name;
string jsonString = serializer.Serialize(str);
return jsonString;
}
}
更新:表单提交后的导航页
<html>
<head>
<title>Facility</title>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.css" />
<script src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<script src="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.js"></script>
<script type="text/javascript">
$('#arealistpage').live('pageshow', function (event) {
$('div[id="primaryList"] ul[data-role="listview"] a').bind("click", function () {
var facilityid = $(this).data("facilityid");
sessionStorage.facilityid = facilityid;
});
});
</script>
</head>
<body>
<div data-role="page" id="arealistpage">
<div data-role="header" data-theme="b">
<h1><a name="top"></a>Facility</h1>
<a href="../MenuePages/Dictionaries.aspx" class='ui-btn-left ui-btn-back' data-icon='arrow-l' rel="external">Back</a>
<a href="AddFacility.aspx" data-role="button" data-icon="plus" data-theme="d" style="float:left;" rel="external" data-transition="slide" data-ajax="false">Add</a>
</div><!-- /header -->
<div data-role="content">
<div id="primaryList">
<ul data-role="listview" data-inset="true" data-theme="c" data-filter="true" id="areaList" data-split-icon="gear" data-split-theme="d">
</ul>
</div>
</div><!-- /content -->
<div data-role="footer" data-theme="b" data-position="fixed">
<div data-role="navbar">
<ul>
<li><a href="" data-role="tab" data-icon="arrow-u" class="returnTopAction">Top</a></li>
</ul>
</div>
</div>
<script src="FacilityScript.js" type="text/javascript"></script>
</div><!-- /page -->
<div data-role="page" id="dialog">
<div data-role="header" data-theme="b">
<h1>Options</h1>
</div>
<ul data-role="listview" data-inset="false"
data-theme="c">
<li data-icon="false"><a href="UpdateFacility.aspx" data-ajax="false">Edit</a></li>
<li data-icon="false"><a href="#divMsg" data-rel="dialog" data-transition="pop">Delete</a></li>
</ul>
</div>
<div data-role="page" id="divMsg">
<div data-role="header" data-theme="b">
<h1>Confirmation</h1>
</div>
<div data-role="content">
<a href="Facility.aspx" onclick="DeleteFacility(); return true" data-role="button" data-ajax="false">Delete Record?</a>
</div>
<script src="FacilityScript.js" type="text/javascript"></script>
</div>
</body>
</html>
我把你的html改成如下
<html>
<head>
<title>Facility</title>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.css" />
<script src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<script src="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.js"></script>
</head>
<body>
<div data-role="page" id="arealistpage">
<div data-role="header" data-theme="b">
<a href="Facility.aspx" class='ui-btn-left ui-btn-back' data-icon='arrow-l' rel="external">Back</a>
</div><!-- /header -->
<div data-role="content">
<form id="form1" method="post">
<div id="AreaNoDiv" data-role="fieldcontain" class="field">
<label for="Facility">Facility*</label>
<input id="Facility" name="shipNo_r" type="text" required/>
</div>
<div id="desDiv" data-role="fieldcontain" class="field">
<label for="des" id="Label1" name="fnameLabel">Description*</label>
<input id="des" name="fname_r" type="text" required/>
</div>
<div id="submitDiv" data-role="fieldcontain" style="width: 30%">
<button class="btnLogin" data-theme="b" type="submit" id='mysubmit'>submit</button>
</div>
</form>
</div><!-- /content -->
<div data-role="footer" data-theme="b" data-position="fixed">
<div data-role="navbar">
<ul>
<li><a href="" data-role="tab" data-icon="arrow-u" class="returnTopAction">Top</a></li>
</ul>
</div>
</div>
</div><!-- /page -->
<script src="Submitscript.js" type="text/javascript"></script>
</body>
</html>
和你的js如下
$('#arealistpage').live('pageshow',function(event){
var serviceURL = 'service1.asmx/SubmitList';
$('#mysubmit').bind('click', function(e){
var name = "chamara";
e.preventDefault();
$.ajax({
type: "POST",
url: serviceURL,
data: '{"name":"' + name + '"}',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: successFunc,
error: errorFunc
});
});
function successFunc(data, status) {
// parse it as object
var outStr = JSON.parse(data.d);
alert(outStr);
}
function errorFunc() {
alert('error');
}
});
,它工作得很好。
顺便问一下,为什么要在服务中序列化字符串?当你想把c#对象转换成JSON字符串时,serialize会很有帮助。
你的代码是正确的,所以我猜问题发生在ajax调用。
首先看看我的另一个答案,我做了一个jQuery Mobile ajax表单提交的工作示例:https://stackoverflow.com/a/15205612/1848600。我的例子使用PHP,但逻辑是一样的。
我的调用是这样的:
$.ajax({url: 'check.php',
data: {action : 'login', formData : $('#check-user').serialize()}, // Convert a form to a JSON string representation
type: 'post',
async: true,
beforeSend: function() {
// This callback function will trigger before data is sent
$.mobile.showPageLoadingMsg(true); // This will show ajax spinner
},
complete: function() {
// This callback function will trigger on data sent/received complete
$.mobile.hidePageLoadingMsg(); // This will hide ajax spinner
},
success: function (result) {
resultObject.formSubmitionResult = result;
$.mobile.changePage("#second");
},
error: function (request,error) {
// This callback function will trigger on unsuccessful action
alert('Network error has occurred please try again!');
}
});
使用Firebug调试:
下一步应该是错误调试。
如果你使用的是Firefox或Chrome,请安装Firebug插件
链接:https://addons.mozilla.org/en-US/firefox/addon/firebug/
安装firebug, Firefox版本比Chrome版本好。
打开你的页面和Firebug插件
在firebug窗口的顶部有一个标签栏,以Console, HTML, CSS开头。由饼干决定。单击"网络"选项卡。新的标签栏将在主标签栏下方打开。现在单击XHR选项卡并单击清除按钮(相同的选项卡栏,清除按钮在左侧)。
点击提交表单。在firebug窗口中应该出现一个新的日志行,类似于"POST…"或者"GET…"。点击它
将显示新内容。在新的标签栏中有一个请求(或Post或Get)标签。这是你的要求。如果ajax调用已经到达目的地,则应该存在另一个名为Response的选项卡。
打开响应,看一下。应该有错误或真实的响应,如JSON: {"message":"0","draftSaved":true,"disableEditor":false}。如果您的响应具有正确的JSON输出,则ajax调用是成功的。
使用FIDLER调试:
你甚至可以使用名为FIDLER: http://www.fiddler2.com/fiddler2/的工具,这是一个更好的工具,但它需要更多的时间来习惯。
Fiddler是一个Web调试代理,它记录所有HTTP(S)流量你的电脑和互联网之间。Fiddler允许你检查所有的HTTP(S)流量,设置断点,和"欺骗";与传入或输出数据。Fiddler包括一个强大的基于事件的脚本
这里是提琴使用的视频教程:http://www.youtube.com/watch?v=YkJ_Wsd-rtM
是否存在简单地使用标准按钮进行表单提交,为其编写单击函数,然后在完成验证后调用表单提交的问题?像这样简单我有一个名为"inquire"的按钮
$("#inquire").click(function () {
if (validates()) {
$("form").submit();
} else showValidationErrors();
});