jquery怎么用

[uniquejava]

jQuery

http://www.jquery.com

Usage

<script type="text/javascript" src="${ctx }/assets/js/jquery-1.11.2.min.js"></script>

$.get

see http://api.jquery.com/jQuery.get/

jQuery.get( url [, data ] [, success ] [, dataType ] )

Example:

$.get("${ctx}/admin/ajaxTimeout", null, function(data) {
    alert(JSON.stringify(data));
}, "json");

$.post

see http://api.jquery.com/jQuery.post/

jQuery.post( url [, data ] [, success ] [, dataType ] )

Example:

$.post("${ctx}/login", {
    user : user,
    pwd : pwd
}, function(data) {
    if (data.code == 200) {
        window.location = '${ctx}/admin';
    } else {
        $error.html("<label>" + data.msg + "</label>");
        $error.show();
    }
}, "json");

$.ajax

see http://api.jquery.com/jQuery.ajax/

jQuery.ajax( [settings ] ) or jQuery.ajax( url [, settings ] )

The settings:

• async (default: true)
• type GET,POST,PUT,DELETE
• data PlainObject or String or Array
• dataType xml,html,script,json,jsonp,text
• success
• timeout
• error
  *

Example:

// Assign handlers immediately after making the request,
// and remember the jqXHR object for this request
var jqxhr = $.ajax( "example.php" )
    .done(function() {
        alert( "success" );
    })
    .fail(function() {
        alert( "error" );
    })
    .always(function() {
        alert( "complete" );
    });

// Perform other work here ...

// Set another completion function for the request above
jqxhr.always(function() {
    alert( "second complete" );
});

$.getJson()

see http://api.jquery.com/jQuery.getJSON/

jQuery.getJSON( url [, data ] [, success ] )

$.ajax({
  dataType: "json",
  url: url,
  data: data,
  success: success
})

APIs

1. prepend
2. append