小提琴:http://jsfiddle.net/gpTpK/
我遇到的问题是,当执行$ .ajax时,标题变量没有更新/更改,我知道ajax调用正在运行,因为我尝试更换行
title = $(xml).find("title").text();
带
console.log($(xml).find("title").text());
并且确实它确实返回了标题但是当使用原始线时,变量标题不会改变
我已经尝试过,它确实可以将ajax调用放在外面(function($){})(jQuery);
(function($) {
$.fn.getPost = function(options) {
var $this = $(this);
var defaults = {
method: "html",
blogID: "",
postID: "",
done: null
};
var options = $.extend(defaults, options);
var title;
$.ajax({
type: "GET",
url: "http://www.blogger.com/feeds/724793682641096478/posts/default/3551136550258768001",
dataType: "xml",
dataType: 'jsonp',
success: function(xml) {
title = $(xml).find("title").text();
}
});
return $this.each(function() {
if (options.done) {
options.done.call(undefined, title);
}
});
};
})(jQuery);
我已经尝试了以下内容,我也尝试将ajax包装在一个函数中,例如getTitle(){ajax code here with return title;}
(function($) {
$.fn.getPost = function(options) {
var $this = $(this);
var defaults = {
method: "html",
blogID: "",
postID: "",
done: null
};
var options = $.extend(defaults, options);
var title;
getAjax();
return $this.each(function() {
if (options.done) {
options.done.call(undefined, title);
}
});
function getAjax() {
$.ajax({
type: "GET",
url: "http://www.blogger.com/feeds/724793682641096478/posts/default/3551136550258768001",
dataType: "xml",
dataType: 'jsonp',
async: false,
success: function(xml) {
title = $(xml).find("title").text();
}
});
}
};
})(jQuery);
答案 0 :(得分:1)
(function($) {
$.fn.getPost = function(options) {
var $this = $(this);
var defaults = {
method: "html",
done: null
};
var options = $.extend(defaults, options);
var title;
var sorf;
$.ajax({
type: "GET",
url: "http://www.blogger.com/feeds/724793682641096478/posts/default/3551136550258768001",
dataType: "xml",
dataType: 'jsonp',
success: function(xml) {
title = $(xml).find("title").text();
sorf = 1;
},
error: function(){
sorf = 0;
},
complete: function() {
returnvals(sorf);
}
});
function returnvals(sorf) {
if(sorf){
//success
return $this.each(function() {
if (options.done) {
options.done.call(undefined, title);
}
});
}else{// failure}
}
};
})(jQuery);