下面通过实例给大家说明比较直观些，更方便大家了解。

本人的项目中通过jquery.ajax调用webservice.

客户端代码如下:

$.ajax({url: "test/xxx.asmx",type: 'POST',dataType: 'xml',timeout: ,data: { name: "zhangsan", tags: ["aa", "bb", "cc"] },error: function(xml) {alert(xml.responseText);},success: function(xml) {alert("OK");}});

服务端代码如下:

[WebMethod]public XmlDocument xxx(string name, string [] tags ){ return sth; }

总是抛出异常.

问题出现在这里:

下面是HTTP数据:

POST http://xxx.com/xxx.asmx/xxx HTTP/1.1Host: center.cmis.htpc.com.cnConnection: keep-aliveContent-Length: 55Cache-Control: max-age=0Origin: http://xxx.comUser-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.186 Safari/535.1Content-Type: application/x-Content-Type: application/x-www-form-urlencodedContent-Length: lengthname=string&tags=string&tags=string

比较上面粗体,post的数据除了问题. 正确的应该如下:

name=zhangsan&tags=aa&tags=bb&tags=cc

看来问题出在jquery.ajax上面了.见代码(jquery.1.8.3.js)

function buildParams(prefix, obj, traditional, add) {var name;if (jQuery.isArray(obj)) { // Serialize array item.jQuery.each(obj, function(i, v) {if (traditional || rbracket.test(prefix)) { // Treat each array item as a scalar.add(prefix, v);} else {// If array item is non-scalar (array or object), encode its// numeric index to resolve deserialization ambiguity issues.// Note that rack (as of ..) can't currently deserialize// nested arrays properly, and attempting to do so may cause// a server error. Possible fixes are to modify rack's// deserialization algorithm or to provide an option or flag// to force array serialization to be shallow.//ytx buildParams(prefix, v, traditional, add);//buildParams(prefix + "[" + (typeof v === "object" ? i : "") + "]", v, traditional, add);}});} else if (!traditional && jQuery.type(obj) === "object") {// Serialize object item.for (name in obj) {buildParams(prefix + "[" + name + "]", obj[name], traditional, add);}} else {// Serialize scalar item.add(prefix, obj);}}

结论:

出问题的代码在22行,我修改成21行那样就行了.

不过,我对js/jquery都是一知半解的,希望不要引起别的后遗症,呵呵.

以上所述是小编给大家介绍的jQuery中通过ajax调用webservice传递数组参数的问题实例详解的相关知识，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！