php-联动下拉列表 和 php、htm之间传值
dis.htm
<br /><div class="newdestination_city"><br /> <span>目的地所属城市</span> <select name="content"><br /> <option value="0">大洲</option><br /> <!--{loop $content $con}--><br /> <option value='$con[districtid]'>$con[name]</option><br /> <!--{/loop}--><br /> </select> <select name="country"><br /> <option value="0">国家</option><br /> <!--{loop $country $cou}--><br /> <option value='$cou[districtid]'>$cou[name]</option><br /> <!--{/loop}--><br /> </select> <select name="district"><br /> <option value="0">区域</option><br /> <!--{loop $district $dis}--><br /> <option value='$dis[districtid]'>$dis[name]</option><br /> <!--{/loop}--><br /> </select> <select name="province"><br /> <option value="0">省份</option><br /> <!--{loop $province $pro}--><br /> <option value='$pro[districtid]'>$pro[name]</option><br /> <!--{/loop}--><br /> </select> <select name="city"><br /> <option value="0">城市</option><br /> <!--{loop $city $ci}--><br /> <option value='$ci[districtid]'>$ci[name]</option><br /> <!--{/loop}--><br /> </select><br /> </div><br /><br />//……<br />$country=getBycontent($content);<br />$pro=getBycountry($country);<br />//……<br />
<br /><html><br /><head><br /><meta http-equiv="content-type" content="text/html; charset=utf-8"><br /><title>demo</title><br /><script src="//code.jquery.com/jquery-1.11.0.min.js"></script><br /></head><br /><body><br /><br /><script type="text/javascript"><br />var data = [];<br />function sel(v, c){<br /> $.get("server.php", { parent: v, type: c },function(ret){<br /> if(ret.success==true){<br /> var list = ret.list;<br /> var selobj = document.getElementById('sel'+(c+1));<br /> for (i=1;i<list.length;i++){<br /> selobj.options[i] = new Option(list[i].name,list[i].id);<br /> }<br /> }<br /> },'json');<br /><br />}<br /></script><br /><br /><form name="f1"><br /><select name="select1" id="sel1" onchange="sel(this.value, 1)"><br /><option value="0">大洲</option><br /><option value="1">亚洲</option><br /><option value="2">欧洲</option><br /></select><br /><select name="select2" id="sel2" onchange="sel(this.value, 2)"> <br /><option value="0">国家</option> <br /></select><br /><select name="select3" id="sel3" onchange="sel(this.value, 3)"><br /><option value="0">区域</option><br /></select><br /><select name="select4" id="sel4" onchange="sel(this.value, 4)"><br /><option value="0">省份</option><br /></select><br /><select name="select5" id="sel5"><br /><option value="0">城市</option><br /></select><br /><br /></form> <br /></body><br /></html><br /><br /><?php<br />$parent = isset($_GET['parent'])? $_GET['parent'] : 0;<br />$type = isset($_GET['type'])? $_GET['type'] : 0;<br /><br />$sel = array();<br />$sel[1][1] = array('',array('id'=>1,'name'=>'中国'),array('id'=>2,'name'=>'日本'));<br />$sel[1][2] = array('',array('id'=>3,'name'=>'英国'),array('id'=>4,'name'=>'法国'));<br /><br />$sel[2] = array();<br />$sel[2][1] = array('',array('id'=>1,'name'=>'南方'),array('id'=>2,'name'=>'北方'));<br />$sel[2][2] = array('',array('id'=>3,'name'=>'南边'),array('id'=>4,'name'=>'北边'));<br />$sel[2][3] = array('',array('id'=>5,'name'=>'南部'),array('id'=>6,'name'=>'北部'));<br />$sel[2][4] = array('',array('id'=>7,'name'=>'南岸'),array('id'=>8,'name'=>'北岸'));<br /><br />$sel[3] = array();<br />$sel[3][1] = array('',array('id'=>1,'name'=>'中国省1'),array('id'=>2,'name'=>'中国省2'));<br />$sel[3][2] = array('',array('id'=>3,'name'=>'中国省3'),array('id'=>4,'name'=>'中国省4'));<br />$sel[3][3] = array('',array('id'=>5,'name'=>'日本省1'),array('id'=>6,'name'=>'日本省2'));<br />$sel[3][4] = array('',array('id'=>7,'name'=>'日本省3'),array('id'=>8,'name'=>'日本省4'));<br />$sel[3][5] = array('',array('id'=>9,'name'=>'英国省1'),array('id'=>10,'name'=>'英国省2'));<br />$sel[3][6] = array('',array('id'=>11,'name'=>'英国省3'),array('id'=>12,'name'=>'英国省4'));<br />$sel[3][7] = array('',array('id'=>13,'name'=>'法国省1'),array('id'=>14,'name'=>'法国省2'));<br />$sel[3][8] = array('',array('id'=>15,'name'=>'法国省3'),array('id'=>16,'name'=>'法国省4'));<br /><br />$sel[4] = array();<br />$sel[4][1] = array('',array('id'=>1,'name'=>'中国市11'),array('id'=>2,'name'=>'中国市12'));<br />$sel[4][2] = array('',array('id'=>3,'name'=>'中国市21'),array('id'=>4,'name'=>'中国市22'));<br />$sel[4][3] = array('',array('id'=>5,'name'=>'中国市31'),array('id'=>6,'name'=>'中国市32'));<br />$sel[4][4] = array('',array('id'=>7,'name'=>'中国市41'),array('id'=>8,'name'=>'中国市42'));<br />$sel[4][5] = array('',array('id'=>9,'name'=>'日本市11'),array('id'=>10,'name'=>'日本12'));<br />$sel[4][6] = array('',array('id'=>11,'name'=>'日本21'),array('id'=>12,'name'=>'日本22'));<br />$sel[4][7] = array('',array('id'=>13,'name'=>'日本31'),array('id'=>14,'name'=>'日本32'));<br />$sel[4][8] = array('',array('id'=>15,'name'=>'日本41'),array('id'=>16,'name'=>'日本42'));<br />$sel[4][9] = array('',array('id'=>17,'name'=>'英国市11'),array('id'=>18,'name'=>'英国市12'));<br />$sel[4][10] = array('',array('id'=>19,'name'=>'英国市21'),array('id'=>20,'name'=>'英国市22'));<br />$sel[4][11] = array('',array('id'=>21,'name'=>'英国市31'),array('id'=>22,'name'=>'英国市32'));<br />$sel[4][12] = array('',array('id'=>23,'name'=>'英国市41'),array('id'=>24,'name'=>'英国市42'));<br />$sel[4][13] = array('',array('id'=>25,'name'=>'法国市11'),array('id'=>26,'name'=>'法国市12'));<br />$sel[4][14] = array('',array('id'=>27,'name'=>'法国市21'),array('id'=>28,'name'=>'法国市22'));<br />$sel[4][15] = array('',array('id'=>29,'name'=>'法国市31'),array('id'=>30,'name'=>'法国市32'));<br />$sel[4][16] = array('',array('id'=>31,'name'=>'法国市41'),array('id'=>32,'name'=>'法国市42'));<br /><br />$list = $sel[$type][$parent];<br /><br />$ret = array();<br />$ret['success'] = true;<br />$ret['list'] = $list;<br />echo json_encode($ret);<br /><br />?><br />
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