很多人都为javascript而感到困惑,写个效果太复杂了,有了jquery后,我们就能够很简单的写一些很漂亮的效果。而这次我要说的不是这个,是jquery对ajax的支持,下面先简单说一下jquery对ajax的一些函数
通用方式:
$.ajax(prop) 通过一个ajax请求,回去远程数据,prop是一个hash表,它可以传递的key/value有以下几种。
(String)type:数据传递方式(get或post)。
((String)url:数据请求页面的url
((String)data:传递数据的参数字符串,只适合post方式
((String)dataType:期待数据返回的数据格式(例如 "xml", "html", "script",或 "json")
((Boolean)ifModified: 当最后一次请求的相应有变化是才成功返回,默认值是false
((Number)timeout:设置时间延迟请求的时间。可以参考$.ajaxTimeout
((Boolean)global:是否为当前请求触发ajax全局事件,默认为true
((Function)error:当请求失败时触发的函数。
((Function)success:当请求成功时触发函数
((Function)complete:当请求完成后出发函数
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
6
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
7
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
8
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
$.ajaxTimeout(time) 设置请求结束时间
$.ajaxTimeout( 5000 )
其它简化方式:
$.get(url, params, callback) 用get方式向远程页面传递参数,请求完成后处理函数,除了url外,其它参数任意选择!
{ name: "young", age: "25" },
function(data){ alert("Data Loaded: "+ data); }
)
$.getJSON(url, params, callback) 用get方式向远程json对象传递参数,请求完成后处理函数callback。
$.getScript(url, callback) 用get方式载入并运行一个远程javascript文件。请求完成后处理函数callback。
$.post(url, params, callback) 用post方式向远程页面传递参数,请求完成后处理函数callback
load(url, params, callback) 载入一个远程文件并载入页面DOM中,并执行函数callback
loadIfModified(url, params, callback) 用get方式向远程页面传递参数,从最后一次请求后如果数据有变化才作出响应,将返回结果载入页面DOM中,并执行函数callback
ajaxStart(callback) 当ajax请求发生错误是时执行函数callback
ajaxComplete(callback) 当ajax请求完成时执行函数callback
ajaxError(callback) 当ajax请求发生错误时执行函数callback
ajaxStop(callback) 当ajax请求停止时执行函数callback
ajaxSuccess(callback) 当ajax请求成功时执行函数callback
下面就把我的简单的loading写一下
建立一个html页面
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
6
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
7
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
8
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
9
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
10
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
11
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
12
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
13
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
14
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
15
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
16
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
17
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
18
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
19
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
20
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
21
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
22
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
23
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
24
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
25
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
26
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
27
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
28
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
29
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
30
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
31
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
32
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
33
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
34
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
35
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
36
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
37
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
38
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
39
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
40
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
41
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
42
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
43
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
44
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
45
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
46
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
47
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
48
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
49
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
50
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
51
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
下面是default.aspx页面的代码
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
6
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
7
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
8
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
9
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
10
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
11
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
12
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
13
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
14
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
15
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
16
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
17
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
18
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
19
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
20
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
21
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
这样效果就出来了,感觉非常不错的jquery,继续关注jquery
再分享一下我老师大神的人工智能教程吧。零基础!通俗易懂!风趣幽默!还带黄段子!希望你也加入到我们人工智能的队伍中来!https://blog.csdn.net/jiangjunshow