注册时居住地下拉选择每级必选

一客户需要的功能，免费提供代码供大家研究，基础版用户及至尊版用户可以在后台自行添加。

组件名称：注册 验证居住地必填

组件变量：register_code_all@yz_checkreside

手机嵌入：否

组件类型：代码(code)

模板内容：

{hookinput:checkresideset,<b>设置居出地必填</b>,<span>设置相关文字</span>,hidden,https://yuzhe.liyiyi.name}{/hookinput}
{hookinput:checkresidetext5,提示文字,未选择时提示文字,text}请选择居住地：{/hookinput}
{hookinput:checkresidetext6,,参数错误提示文字,text}参数错误，居住地：{/hookinput}
{hookinput:checkresidename1,地区名称,一级名称，默认为省份,text}省份{/hookinput}
{hookinput:checkresidename2,,二级名称，默认为城市,text}城市{/hookinput}
{hookinput:checkresidename3,,三级名称，默认为州县,text}州县{/hookinput}
{hookinput:checkresidename4,,四级名称，默认为乡镇,text}乡镇{/hookinput}
$arrmsg = array(
    1 => '{hookvalue:checkresidename1:php}',
    2 => '{hookvalue:checkresidename2:php}',
    3 => '{hookvalue:checkresidename3:php}',
    4 => '{hookvalue:checkresidename4:php}',
    5 => '{hookvalue:checkresidetext5:php}',
    6 => '{hookvalue:checkresidetext6:php}',
);
if(submitcheck('regsubmit')) {
    if (empty($_GET['resideprovince'])){
        showmessage($arrmsg[5].$arrmsg[1]);
    }else{
        $tablename = 'common_district';
        if (empty($_GET['residecity'])){
            $getpname = $_GET['resideprovince'];
            $getupid = DB::result_first("SELECT id FROM %t WHERE name=%s and level=1", array($tablename, $getpname));
            if (!$getupid){
                showmessage($arrmsg[6].$arrmsg[2]);
            }
            if (DB::result_first("SELECT COUNT(*) FROM %t WHERE upid=%d", array($tablename, $getupid))){
                showmessage($arrmsg[5].$arrmsg[2]);
            }
        }else{
            if (empty($_GET['residedist'])){
                $getpname = $_GET['residecity'];
                $getupid = DB::result_first("SELECT id FROM %t WHERE name=%s and level=2", array($tablename, $getpname));
                if (!$getupid){
                    showmessage($arrmsg[6].$arrmsg[3]);
                }
                if (DB::result_first("SELECT COUNT(*) FROM %t WHERE upid=%d", array($tablename, $getupid))){
                    showmessage($arrmsg[5].$arrmsg[3]);
                }
            }else{
                if (empty($_GET['residecommunity'])){
                    $getpname = $_GET['residedist'];
                    $getupid = DB::result_first("SELECT id FROM %t WHERE name=%s and level=3", array($tablename, $getpname));
                    if (!$getupid){
                        showmessage($arrmsg[6].$arrmsg[4]);
                    }
                    if (DB::result_first("SELECT COUNT(*) FROM %t WHERE upid=%d", array($tablename, $getupid))){
                        showmessage($arrmsg[5].$arrmsg[4]);
                    }
                }
            }
        }
    }
}