[WebMethod] 命名空间
后台<C#>:
class="brush: c#;">using System.Web.Script.Services; [WebMethod] public static string SayHello() { return "Hello Ajax!"; }
前台<JQuery>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
javascript plain">$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
//要用post方式
type:
"Post"
,
//方法所在页面和方法名
url:
"data.aspx/SayHello"
,
contentType:
"application/json; charset=utf-8"
,
dataType:
"json"
,
success:
function
(data) {
//返回的数据用data.d获取内容
alert(data.d);
},
error:
function
(err) {
alert(err);
}
});
//禁用按钮的提交
return
false
;
});
});
后台<C#>:
using System.Web.Script.Services; [WebMethod] public static string GetStr(string str, string str2) { return str + str2; }
前台<JQuery>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
type:
"Post"
,
url:
"data.aspx/GetStr"
,
//方法传参的写法一定要对,str为形参的名字,str2为第二个形参的名字
data:
"{'str':'我是','str2':'XXX'}"
,
contentType:
"application/json; charset=utf-8"
,
dataType:
"json"
,
success:
function
(data) {
//返回的数据用data.d获取内容
alert(data.d);
},
error:
function
(err) {
alert(err);
}
});
//禁用按钮的提交
return
false
;
});
});
后台<C#>:
using System.Web.Script.Services; [WebMethod] public static List<string> GetArray() { List<string> li = new List<string>(); for (int i = 0; i < 10; i++) li.Add(i + ""); return li; }
前台<JQuery>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
type:
"Post"
,
url:
"data.aspx/GetArray"
,
contentType:
"application/json; charset=utf-8"
,
dataType:
"json"
,
success:
function
(data) {
//插入前先清空ul
$(
"#list"
).html(
""
);
//递归获取数据
$(data.d).each(
function
() {
//插入结果到li里面
$(
"#list"
).append(
"<li>"
+
this
+
"</li>"
);
});
alert(data.d);
},
error:
function
(err) {
alert(err);
}
});
//禁用按钮的提交
return
false
;
});
});
/// <reference path="jquery-1.4.2-vsdoc.js"/>
$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
type:
"Post"
,
url:
"data.aspx/GetArray"
,
contentType:
"application/json; charset=utf-8"
,
dataType:
"json"
,
success:
function
(data) {
//插入前先清空ul
$(
"#list"
).html(
""
);
//递归获取数据
$(data.d).each(
function
() {
//插入结果到li里面
$(
"#list"
).append(
"<li>"
+
this
+
"</li>"
);
});
alert(data.d);
},
error:
function
(err) {
alert(err);
}
});
//禁用按钮的提交
return
false
;
});
});
后台<C#>:
using System.Web.Script.Services; using System.Collections; [WebMethod] public static Hashtable GetHash(string key,string value) { Hashtable hs = new Hashtable(); hs.Add("www", "yahooooooo"); hs.Add(key, value); return hs; }
前台<JQuery>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
type:
"Post"
,
url:
"data.aspx/GetHash"
,
//记得加双引号 T_T
data:
"{ 'key': 'haha', 'value': '哈哈!' }"
,
contentType:
"application/json; charset=utf-8"
,
dataType:
"json"
,
success:
function
(data) {
alert(
"key: haha ==> "
+data.d[
"haha"
]+
"\n key: www ==> "
+data.d[
"www"
]);
},
error:
function
(err) {
alert(err +
"err"
);
}
});
//禁用按钮的提交
return
false
;
});
});
XMLtest.xml:
view plaincopy to clipboardprint?
<?
xml
version="1.0" encoding="utf-8" ?>
<
data
>
<
item
>
<
id
>1</
id
>
<
name
>qwe</
name
>
</
item
>
<
item
>
<
id
>2</
id
>
<
name
>asd</
name
>
</
item
>
</
data
>
<?
xml
version="1.0" encoding="utf-8" ?>
<
data
>
<
item
>
<
id
>1</
id
>
<
name
>qwe</
name
>
</
item
>
<
item
>
<
id
>2</
id
>
<
name
>asd</
name
>
</
item
>
</
data
>
前台<JQuery>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23$(
function
() {
$(
"#btnOK"
).click(
function
() {
$.ajax({
url:
"XMLtest.xml"
,
dataType:
'xml'
,
//返回的类型为XML ,和前面的Json,不一样了
success:
function
(xml) {
//清空list
$(
"#list"
).html(
""
);
//查找xml元素
$(xml).find(
"data>item"
).each(
function
() {
$(
"#list"
).append(
"<li>id:"
+ $(
this
).find(
"id"
).text() +
"</li>"
);
$(
"#list"
).append(
"<li>Name:"
+ $(
this
).find(
"name"
).text() +
"</li>"
);
})
},
error:
function
(result, status) {
//如果没有上面的捕获出错会执行这里的回调函数
alert(status);
}
});
//禁用按钮的提交
return
false
;
});
});