jQuery之超链接小标签

看到博客页面超链接上小标签是不是心动了?
好吧~我今天分享一下~~
原理也很简单,读取超链接的title标签,然后建立一个DIV标签,用postion定位,加上CSS修饰和jQuery动画就可以了。
首先必须要加载jQuery库,然后把以下代码放到JS中。

方框半透明

<code>
<script>
jQuery(document).ready(function($) {
    $(function() {
        $(".articlebox a, .articlebox img,.shuoshuo a,header a,.lsidebar a,.menu a").each(function(b) {
            if (this.title) {
                var c = this.title;
                var a = 30;
                var x = 20;
                $(this).mouseover(function(d) {
                    this.title = "";
                    $("body").append('<div id="tooltip">' + c + "</div>");
                    $("#tooltip").css({
                        left: (d.pageX + a) + "px",
                        top: (d.pageY + x) + "px",
                        opacity: "0.8"
                    }).show(250)
                }).mouseout(function() {
                    this.title = c;
                    $("#tooltip").remove()
                }).mousemove(function(d) {
                    $("#tooltip").css({
                        left: (d.pageX + a) + "px",
                        top: (d.pageY + x) + "px"
                    })
                })
            }
        })
    });
});
</script>
</code>

下面就是她漂亮的CSS样式了,放在合适的位置。

<code>
<style>
#tooltip{-moz-border-radius:17px 17px 17px 17px;padding:5px;position:absolute;text-align:left;width:auto;z-index:1000;font-size:12px;color:rgb(105,76,44);text-shadow:1px 1px 0 #eee;padding:4px 8px;border:1px solid rgba(255,255,255,0.25);background:rgb(255,255,255);background:rgba(255,255,255,0.6);border-radius:3px;-webkit-border-radius:3px;-moz-border-radius:3px;box-shadow:1px 1px 2px #555;-webkit-box-shadow:1px 1px 2px #555;-moz-box-shadow:1px 1px 2px #555}
#tooltip p em{color:#232323;text-shadow:0px 0px 0px #000;display:block;font-style:normal;font-weight:600;margin-top:3px}
#tooltips{background:#000;color:#4a7304;text-align:center;padding:6px 0;position:absolute;z-index:1}
</style>
</code>

黑色透明气泡式

JS驱动行为

<code>
~ (function($) {
    $.fn.tipTip = function(options) {
        var defaults = {
            activation: "hover",
            keepAlive: false,
            maxWidth: "200px",
            edgeOffset: 3,
            defaultPosition: "bottom",
            delay: 400,
            fadeIn: 200,
            fadeOut: 200,
            attribute: "title",
            content: false,
            enter: function() {},
            exit: function() {}
        };
        var opts = $.extend(defaults, options);
        if ($("#tiptip_holder").length <= 0) {
            var tiptip_holder = $('<div id="tiptip_holder" style="max-width:' + opts.maxWidth + ';"></div>');
            var tiptip_content = $('<div id="tiptip_content"></div>');
            var tiptip_arrow = $('<div id="tiptip_arrow"></div>');
            $("body").append(tiptip_holder.html(tiptip_content).prepend(tiptip_arrow.html('<div id="tiptip_arrow_inner"></div>')))
        } else {
            var tiptip_holder = $("#tiptip_holder");
            var tiptip_content = $("#tiptip_content");
            var tiptip_arrow = $("#tiptip_arrow")
        }
        return this.each(function() {
            var org_elem = $(this);
            if (opts.content) {
                var org_title = opts.content
            } else {
                var org_title = org_elem.attr(opts.attribute)
            }
            if (org_title != "") {
                if (!opts.content) {
                    org_elem.removeAttr(opts.attribute)
                }
                var timeout = false;
                if (opts.activation == "hover") {
                    org_elem.hover(function() {
                        active_tiptip()
                    },
                    function() {
                        if (!opts.keepAlive) {
                            deactive_tiptip()
                        }
                    });
                    if (opts.keepAlive) {
                        tiptip_holder.hover(function() {},
                        function() {
                            deactive_tiptip()
                        })
                    }
                } else if (opts.activation == "focus") {
                    org_elem.focus(function() {
                        active_tiptip()
                    }).blur(function() {
                        deactive_tiptip()
                    })
                } else if (opts.activation == "click") {
                    org_elem.click(function() {
                        active_tiptip();
                        return false
                    }).hover(function() {},
                    function() {
                        if (!opts.keepAlive) {
                            deactive_tiptip()
                        }
                    });
                    if (opts.keepAlive) {
                        tiptip_holder.hover(function() {},
                        function() {
                            deactive_tiptip()
                        })
                    }
                }
                function active_tiptip() {
                    opts.enter.call(this);
                    tiptip_content.html(org_title);
                    tiptip_holder.hide().removeAttr("class").css("margin", "0");
                    tiptip_arrow.removeAttr("style");
                    var top = parseInt(org_elem.offset()['top']);
                    var left = parseInt(org_elem.offset()['left']);
                    var org_width = parseInt(org_elem.outerWidth());
                    var org_height = parseInt(org_elem.outerHeight());
                    var tip_w = tiptip_holder.outerWidth();
                    var tip_h = tiptip_holder.outerHeight();
                    var w_compare = Math.round((org_width - tip_w) / 2);
                    var h_compare = Math.round((org_height - tip_h) / 2);
                    var marg_left = Math.round(left + w_compare);
                    var marg_top = Math.round(top + org_height + opts.edgeOffset);
                    var t_class = "";
                    var arrow_top = "";
                    var arrow_left = Math.round(tip_w - 12) / 2;
                    if (opts.defaultPosition == "bottom") {
                        t_class = "_bottom"
                    } else if (opts.defaultPosition == "top") {
                        t_class = "_top"
                    } else if (opts.defaultPosition == "left") {
                        t_class = "_left"
                    } else if (opts.defaultPosition == "right") {
                        t_class = "_right"
                    }
                    var right_compare = (w_compare + left) < parseInt($(window).scrollLeft());
                    var left_compare = (tip_w + left) > parseInt($(window).width());
                    if ((right_compare && w_compare < 0) || (t_class == "_right" && !left_compare) || (t_class == "_left" && left < (tip_w + opts.edgeOffset + 5))) {
                        t_class = "_right";
                        arrow_top = Math.round(tip_h - 13) / 2;
                        arrow_left = -12;
                        marg_left = Math.round(left + org_width + opts.edgeOffset);
                        marg_top = Math.round(top + h_compare)
                    } else if ((left_compare && w_compare < 0) || (t_class == "_left" && !right_compare)) {
                        t_class = "_left";
                        arrow_top = Math.round(tip_h - 13) / 2;
                        arrow_left = Math.round(tip_w);
                        marg_left = Math.round(left - (tip_w + opts.edgeOffset + 5));
                        marg_top = Math.round(top + h_compare)
                    }
                    var top_compare = (top + org_height + opts.edgeOffset + tip_h + 8) > parseInt($(window).height() + $(window).scrollTop());
                    var bottom_compare = ((top + org_height) - (opts.edgeOffset + tip_h + 8)) < 0;
                    if (top_compare || (t_class == "_bottom" && top_compare) || (t_class == "_top" && !bottom_compare)) {
                        if (t_class == "_top" || t_class == "_bottom") {
                            t_class = "_top"
                        } else {
                            t_class = t_class + "_top"
                        }
                        arrow_top = tip_h;
                        marg_top = Math.round(top - (tip_h + 5 + opts.edgeOffset))
                    } else if (bottom_compare | (t_class == "_top" && bottom_compare) || (t_class == "_bottom" && !top_compare)) {
                        if (t_class == "_top" || t_class == "_bottom") {
                            t_class = "_bottom"
                        } else {
                            t_class = t_class + "_bottom"
                        }
                        arrow_top = -12;
                        marg_top = Math.round(top + org_height + opts.edgeOffset)
                    }
                    if (t_class == "_right_top" || t_class == "_left_top") {
                        marg_top = marg_top + 5
                    } else if (t_class == "_right_bottom" || t_class == "_left_bottom") {
                        marg_top = marg_top - 5
                    }
                    if (t_class == "_left_top" || t_class == "_left_bottom") {
                        marg_left = marg_left + 5
                    }
                    tiptip_arrow.css({
                        "margin-left": arrow_left + "px",
                        "margin-top": arrow_top + "px"
                    });
                    tiptip_holder.css({
                        "margin-left": marg_left + "px",
                        "margin-top": marg_top + "px"
                    }).attr("class", "tip" + t_class);
                    if (timeout) {
                        clearTimeout(timeout)
                    }
                    timeout = setTimeout(function() {
                        tiptip_holder.stop(true, true).fadeIn(opts.fadeIn)
                    },
                    opts.delay)
                }
                function deactive_tiptip() {
                    opts.exit.call(this);
                    if (timeout) {
                        clearTimeout(timeout)
                    }
                    tiptip_holder.fadeOut(opts.fadeOut)
                }
            }
        })
    }
})(jQuery);
</code>

这里还有有一句
修改相对应的标签就可以了,这里我的是#kings a标签。

<code>
$(document).ready(function() {
    $("#Kings a").addClass("tooltip");
    $(".tooltip").tipTip({
        delay: 0,
        defaultPosition: "top",
        maxWidth: "250px"
    }).show('fast');
});
</code>

CSS样式

<code>
#tiptip_holder {
    display:none;
    position:absolute;
    top:0;
    left:0;
    z-index:99999
}
#tiptip_content {
    font-size:12px;
    color:#E5E5E5;
    padding:5px 15px 4px 17px;
    background:#000;
    border-radius:15px;
    -moz-border-radius:15px;
    -webkit-border-radius:15px;
    box-shadow:0 0 3px #000;
    -moz-box-shadow:0 0 3px #000;
    -webkit-box-shadow:0 0 3px #000;
    opacity:0.7
}
#tiptip_arrow,#tiptip_arrow_inner {
    position:absolute;
    border-color:transparent;
    border-style:solid;
    border-width:7px
}
#tiptip_holder.tip_top #tiptip_arrow_inner {
    margin-top:-7px;
    margin-left:-7px;
    border-top-color:#535353;
    z-index:10
}</code>

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