jQuery元素定位插件-浮动定位一行代码搞定！-领先建站CMS提供服务商我们专注于CMS建站产品的研发

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主题：[分享]jQuery元素定位插件-浮动定位一行代码搞定！ [收藏主题]

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licaifuwu 发表于：2011/1/26 16:48:48 | 显示全部帖子查看该作者主题楼主

做考试题库就用#科汛在线考试系统!

做右下角广告 QQ客服等等不会被清理广告软件清理的哦！仅需一行代码搞定！

复制代码

/*
* jQuery Plugins elementFixed v1205
* 使用说明：
* $('#div1').elementFixed({position:"leftTop"}); //定位左上
* $('#div2').elementFixed({position:"leftBottom"}); //定位左下
* $('#div3').elementFixed({position:"rightTop"}); //定位右上
* $('#div4').elementFixed({position:"rightBottom"}); //定位右下
* $('#div5').elementFixed({position:"leftCenter"}); //定位左中
* $('#div6').elementFixed({position:"rightCenter"}); //定位右中
* $('#div7').elementFixed({position:"topCenter"}); //定位上居中
* $('#div8').elementFixed({position:"bottomCenter"}); //定位底居中
* $('#div9').elementFixed({position:"center"}); //定位居中
* $('#div4').elementFixed(); //不给参数默认定位为右下
*/
(function($) {
jQuery.fn.elementFixed = function(options) {
var own = this;
var settings = {
position: "rightBottom"
};
jQuery.extend(settings, options);
own.css({
position: "absolute",
left: 0,
top: 0,
zIndex: 1000
});
$(window).bind("scroll resize load",
function() {
var left = 0;
var top = 0;
if (settings.position == "leftTop") {
left = $(window).scrollLeft();
top = $(window).scrollTop();
} else if (settings.position == "rightTop") {
left = $(window).width() + $(window).scrollLeft() - own.outerWidth();
top = $(window).scrollTop();
} else if (settings.position == "leftBottom") {
left = $(window).scrollLeft();
top = $(window).height() + $(window).scrollTop() - own.outerHeight();
} else if (settings.position == "rightBottom") {
left = $(window).width() + $(window).scrollLeft() - own.outerWidth();
top = $(window).height() + $(window).scrollTop() - own.outerHeight();
} else if (settings.position == "leftCenter") {
left = $(window).scrollLeft();
top = $(window).height() * 0.5 + $(window).scrollTop() - own.outerHeight() * 0.5;
} else if (settings.position == "rightCenter") {
left = $(window).width() + $(window).scrollLeft() - own.outerWidth();
top = $(window).height() * 0.5 + $(window).scrollTop() - own.outerHeight() * 0.5;
} else if (settings.position == "topCenter") {
left = $(window).width() * 0.5 + $(window).scrollLeft() - own.outerWidth() * 0.5;
top = $(window).scrollTop();
} else if (settings.position == "bottomCenter") {
left = $(window).width() * 0.5 + $(window).scrollLeft() - own.outerWidth() * 0.5;
top = $(window).height() + $(window).scrollTop() - own.outerHeight();
} else if (settings.position == "center") {
left = $(window).width() * 0.5 + $(window).scrollLeft() - own.outerWidth() * 0.5;
top = $(window).height() * 0.5 + $(window).scrollTop() - own.outerHeight() * 0.5;
}
own.stop(true, false).animate({
left: left,
top: top
});
});
}
})(jQuery);

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