jquery 自动完成 自动补全 实时搜索 实时查询 即时搜索 即时 查询

/*
* jQuery.autocomplete.js (v1.1.2)
* authored by nswish (nswish@gmail.com)
* jQuery 1.7.1+ support
* compatible: ie/chrome/firefox/opera/safari
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function(g){g.fn.extend({"AutoComplete":function(q){return this.each(function(){if(!(this&&this.tagName==="INPUT"&&this.type==="text")){return}if(this.controller){this.controller.setOption(q)}else{if(g.isPlainObject(q)){this.controller=new f(this,q)}}})}});var f=function(q,r){this.option=g.extend(false,{"width":320,"maxHeight":null,"itemHeight":null,"listStyle":"normal","listDirection":"down","data":[],"ajaxDataType":"json","ajaxParams":{},"ajaxTimeout":3000,"ajaxType":"GET","maxItems":20,"matchHandler":n,"emphasisHandler":m,"createItemHandler":null,"beforeLoadDataHandler":null,"afterSelectedHandler":null,"async":false,"emphasis":true,"onerror":null},r);b.apply(this,[q]);j.apply(this)};var b=function(q){var r=this;this.inputView=g(q);this.inputView.attr("autocomplete","off").keyup(this._keyup=function(s){switch(s.keyCode){case 13:case 16:case 17:case 37:case 38:case 39:case 40:break;case 27:e.apply(r);break;default:if(r.option.async){setTimeout(function(){h.apply(r)},0)}else{h.apply(r)}}}).keydown(this._keydown=function(t){switch(t.keyCode){case 38:p.apply(r,["up"]);break;case 40:p.apply(r,["down"]);break;case 13:var s=r.searchView.is(":visible");c.apply(r);if(s){return false}break}}).blur(this._blur=function(){g(document).one("click",function(){e.apply(r)})})};var j=function(){var q=this;this.searchView=g("<div class='ac'><ul></ul></div>").appendTo(document.body).on("mouseenter","li",function(){q.searchView.find("li.selected").removeClass("selected");g(this).addClass("selected")}).on("mouseleave","li",function(){g(this).removeClass("selected")}).on("click","li",function(){c.apply(q);e.apply(q)}).css("font-size",this.inputView.css("font-size"));g(window).resize(function(){k.apply(q)})};var i=function(q){var s=this,r=this.searchView.find("ul").empty();if(g.inArray(this.option.listStyle,["normal","iconList","custom"])==-1){throw ["遇到未知的listStyle参数！"]}g.each(q,function(u,w){var v=g("<li><div></div></li>").appendTo(r).addClass(s.option.listStyle).data("data",w).find("div");switch(s.option.listStyle){case"normal":v.append("<span>"+w.label+"</span>");break;case"iconList":var t=g("<img></img>").attr("src",w.image);v.append(g("<div></div>").append(t)).append("<span>"+w.label+"</span>");break;case"custom":v.append(s.option.createItemHandler.apply(s,[u,w]));case"default":break}if(s.option.itemHeight>0){v.height(s.option.itemHeight).css("max-height",s.option.itemHeight)}})};var k=function(){if(this.option.listDirection==="down"){var r=this.inputView.offset().top+this.inputView.outerHeight()}else{if(this.option.listDirection==="up"){var r=this.inputView.offset().top-this.searchView.outerHeight()}else{throw"遇到未知的listDirection参数！"}}var q=this.inputView.offset().left;this.searchView.css("top",r+"px").css("left",q+"px")};var d=function(){if(typeof(this.option.width)==="string"&&this.option.width.toLowerCase()==="auto"){return this.inputView.outerWidth()-2}else{if(typeof(this.option.width)==="number"){return this.option.width}else{throw"遇到未知的width参数！"}}};var l=function(q){var s=this;if(this.option.listDirection==="up"){q=q.reverse()}try{i.apply(s,[q]);if(this.option.maxHeight>0){this.searchView.css("max-height",this.option.maxHeight+"px");if(g.browser.msie){this.searchView.css("height",this.searchView.height()>this.option.maxHeight?this.option.maxHeight+"px":"auto")}}k.apply(this);this.searchView.css("width",d.apply(this)+"px")}catch(r){o.apply(this,[r+""]);return}this.searchView.show();p.apply(this,[this.option.listDirection])};var e=function(){this.searchView.find("ul").empty();this.searchView.hide()};var p=function(s){var t=this.searchView.find("li.selected");if(t.size()){var q=s==="up"?t.prev():t.next()}else{var q=s==="up"?this.searchView.find("li").last():this.searchView.find("li").first()}if(q.size()){this.searchView.find("li").removeClass("selected");q.addClass("selected");var u=q.outerHeight();var r=q.position().top;if(u+r>this.searchView.height()){this.searchView.scrollTop(this.searchView.scrollTop()+r+u-this.searchView.height())}else{if(r<0){this.searchView.scrollTop(this.searchView.scrollTop()+r)}}}};var c=function(){var r=this,q=this.searchView.find("li.selected");if(q.size()){var s=q.data("data");this.inputView.val(s.value);if(g.isFunction(this.option.afterSelectedHandler)){try{this.option.afterSelectedHandler.apply(r,[s])}catch(t){o.apply(this,["调用afterSelectedHandler错误:"+t]);return}}e.apply(this)}};var a=function(q){jQuery.support.cors=true;var s=this,t=[],r={"async":false,"dataType":s.option.ajaxDataType,"type":s.option.ajaxType,"timeout":this.option.ajaxTimeout,"success":function(u,w,v){if(s.option.ajaxDataType==="xml"){g(u).find("item").each(function(){var z={"value":g(this).text(),"label":g(this).text()};for(var y=0;y<this.attributes.length;y++){var x=this.attributes[y].nodeName,A=this.attributes[y].nodeValue;z[x]=A}t.push(z)})}else{if(s.option.ajaxDataType==="json"){t=u}else{throw"遇到未知的ajaxDataType参数！"}}},"error":function(u,w,v){throw v}};if(g.isPlainObject(this.option.ajaxParams)){r["data"]=g.extend(false,{"keyword":q},this.option.ajaxParams)
}else{if(g.isFunction(this.option.ajaxParams)){r["data"]=g.extend(false,{"keyword":q},this.option.ajaxParams.apply(this,[q]))}else{if(typeof(this.option.ajaxParams)==="string"){r["data"]="keyword="+q+"&"+this.option.ajaxParams}else{throw"遇到未知的ajaxParams参数！"}}}g.ajax(this.option.data,r);return t};var h=function(){var t=this,s=this.inputView.val(),u=[],r=true,q=[];if(g.trim(s).length==0){e.apply(t);return}if(g.isFunction(this.option.beforeLoadDataHandler)){try{r=this.option.beforeLoadDataHandler.apply(this,[s])}catch(v){o.apply(this,["调用beforeLoadDataHandler错误:"+v]);return}}if(r){if(g.isArray(this.option.data)){u=this.option.data}else{if(g.isFunction(this.option.data)){try{u=this.option.data.apply(this,[s])}catch(v){o.apply(this,["调用data错误:"+v]);return}}else{if(typeof(this.option.data)==="string"){try{u=a.apply(this,[s])}catch(v){o.apply(this,["Ajax错误:"+v]);return}}else{o.apply(this,["遇到未知的data参数！"]);return}}}}g.each(u,function(w,y){if(t.option.maxItems>0&&q.length>=t.option.maxItems){return false}if(g.isPlainObject(y)){var x=g.extend(false,{},y)}else{if(typeof(y)==="string"){var x={"label":y,"value":y,"image":y}}else{o.apply(t,["数据源Item类型错误！"]);return false}}if(t.option.matchHandler.apply(t,[s,x])){q.push(x)}});if(s==this.inputView.val()){if(q.length>0){l.apply(this,[q])}else{e.apply(this)}}};var o=function(q){if(g.isFunction(this.option.onerror)){this.option.onerror.apply(this,[q])}};f.prototype.setOption=function(q){if(g.isPlainObject(q)){this.option=g.extend(false,this.option,q)}else{if(typeof(q)==="string"){switch(q){case"destroy":this.destroy();break;case"show":this.show();break;default:o.apply(this,["未知的AutoComplete参数！"]);return}}else{o.apply(this,["未知的AutoComplete参数类型！"]);return}}};f.prototype.destroy=function(){this.searchView.remove();this.inputView.unbind("keyup",this._keyup).unbind("keydown",this._keydown).unbind("blur",this._blur);delete this.inputView.get(0).controller};f.prototype.show=function(){if(this.option.async){setTimeout(function(){h.apply(this)},0)}else{h.apply(this)}};var n=function(q,s){var r=RegExp(q.replace(/([.?*+^$[]\(){}|-])/g,"\$1"),"i");if(this.option.emphasis&&g.isFunction(this.option.emphasisHandler)){this.option.emphasisHandler.apply(this,[q,s])}return r.test(s.value)};var m=function(q,s){var r=RegExp("("+q.replace(/([.?*+^$[]\(){}|-])/g,"\$1")+")","ig");s.label=s.label.replace(r,"<em>$1</em>")}})(jQuery);

 <script type="text/javascript">
    $(function() {

        $('#keyword').AutoComplete({
             "data":<?PHP echo $d; ?>
        });        
    
    });  
 </script>