省市县三级联动小结

html前端代码

<div class="ui-page">
<div class="ui-container">
<div class="ui-border-bottom f-bg-white f-pl-16 f-pr-16 f-pt-16 f-mb-16">
<div class="ui-bfc f-fs-16 f-pb-12 f-pt-12">
<div class="ui-bfc-aside f-color-title">收件人姓名</div>
<input type="text" class="input-text" id="author" placeholder="请输入姓名">
</div>

<div class="ui-bfc ui-border-top f-fs-16 f-pb-12 f-pt-12">
<div class="ui-bfc-aside f-color-title">收件人手机号码</div>
<input type="text" class="input-text" id="tel" placeholder="请输入手机号">
</div>

</div>
</div>
<script>
//父类的点击事件
function soncate1(fid){

$.post("{:U('index/soncate1')}",{"fid":fid},function(t){
console.log(t);
$("#shijuan1").html(t);
});

}
</script>
<script>
//父类的点击事件
function soncate2(fid){

$.post("{:U('index/soncate2')}",{"fid":fid},function(t){
console.log(t);
$("#shijuan2").html(t);
});

}
</script>
<script>
//父类的点击事件
function soncate3(fid){

$.post("{:U('index/soncate3')}",{"fid":fid},function(t){
console.log(t);
$("#url").val(t);
});

}
</script>

php后台代码：

//鍔ㄦ�佺殑鐢熸垚甯�
public function soncate1(){

$m_cms_city = M('cms_city');

$maps['parentid'] = I("post.fid");

// $maps['uid'] = getUID();
$sonArr = $m_cms_city->where($maps)->select();

if(!empty($sonArr)){
foreach ($sonArr as $v){
$opt .= "<option value='{$v['area_id']}'>{$v['area_name']}</option>";
}
}
//鐢熸垚绗簩涓笅鏉ユ
echo "<select name = 'shi' id='shi' class='dizhi' onchange='soncate2(this.options[this.options.selectedIndex].value)'><option value='0' selected='selected'>甯�</option>{$opt}</select>";

exit();
}
//鍔ㄦ�佺殑鐢熸垚鍖�
public function soncate2(){

$m_cms_city = M('cms_city');

$maps['parentid'] = I("post.fid");

$sonArr = $m_cms_city->where($maps)->select();

if(!empty($sonArr)){
foreach ($sonArr as $v){
$opt .= "<option value='{$v['area_id']}'>{$v['area_name']}</option>";
}
}
//鐢熸垚绗簩涓笅鏉ユ
echo "<select name = 'qu' id='qu' class='dizhi' onchange='soncate3(this.options[this.options.selectedIndex].value)'><option value='0' selected='selected'>鍖�/鍘�</option>{$opt}</select>";

exit();
}
//鍔ㄦ�佺殑鐢熸垚閭紪
public function soncate3(){

$m_cms_city = M('cms_city');

$maps['area_id'] = I("post.fid");

$sonArr = $m_cms_city->where($maps)->find();

echo $sonArr['zipcode'];

exit();
}

省市县三级联动小结

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