Recently, PHP has been used in projects, but it is not very familiar with framework development. It is well known in the process and recorded for future reference.
Label library select label usage
<Taglib name = "html"/> <HTML: Select Options = "productcategory"
Selected = "prodcateid" first = "select category" name = "prod_cate_id" id = "prod_cate_id"
/> $ Cate
= D ('productcategory '); $ list
= $ Cate-> Field ('prod _ cate_id, prod_cate_name ')-> findall (); foreach ($ list as $ vo) {$ grouplist [$ VO ['prod _ cate_id '] = $ VO ['prod _ cate_name'];} $ this-> assign ('productcategory ', $ grouplist ); $ this-> assign ('prodcateid', ''); $ this-> display ('edit ');
<Volist> label nesting
<Volist name = "list" id = "VO">
{$ VO. prod_cate_name} <volist name = "VO ['voo']"
Id = "sub" >{$ sub. prod_cate_name} </volist>
</Volist> $ Dao
= M ('productcategory '); $ list
= $ Dao-> where ('ifnull (prod_cate_pid, 0) = 0')-> Order ('prod _ cate_order ASC ')-> findall (); $ sub
= M ('productcategory '); foreach ($ list as $ n => $ Val) {$ list [$ N] ['voo'] = $ sub-> where ('prod _ cate_pid = '. $ Val ['prod _ cate_id '])-> select () ;}$ this-> assign ('LIST', $ list );
$ This-> display ();Implementation of Ajax second-level linkage <SCRIPT type = "text/JavaScript"
Src = "_ root _/public/scripts/jquery-1.7.1.min.js"> </SCRIPT>
<SCRIPT type = "text/JavaScript"> function ajaxselect (URL, objone, objtwo, defval ){
VaR $ S1 = $ (objone); var $ S2 = $ (objtwo); $ s1.change (function () {var curval = objone. options [objone. selectedindex]. value; $s2.html (""); $ ("<option> "). text ("secondary Classification "). val (""). appendto ($ S2); $. ajax ({type: "Post", URL: URL, data: "catepid =" + curval, datatype: 'json', success: function (OBJ) {If (obj. data) {$ (eval (obj. data )). each (function (I, elm) {appendoptionto ($ S2, Elm. prod_cate_name, Elm. prod_cate_id, defval );});}}});}). change (); function appendoptionto (O, K, V, d) {var opt = $ ("<option> "). text (k ). val (V); If (V = d) {OPT. ATTR ("selected", "selected")} OPT. appendto (o) ;}}$ (function () {ajaxselect ('_ URL _/changecategory', $ ('# cate_one '). get (0), $ ('# cate_two '). get (0), '{$ vo. cate_two }');
});
</SCRIPT> <taglib name = "html"/>
<HTML: Select Options = "productcategory"
Selected = "prodcateid" first = "select category" name = "cate_one" id = "cate_one"/>
<Select name = "cate_two" id = "cate_two"> <option value = ""> secondary classification </option> </SELECT>
Public Function
Changecategory () {$ id = $ _ post ['catepid']; header ("Content-Type: text/html;
Charset = UTF-8 "); $ Cate
= D ('productcategory '); $ list
= $ Cate-> Field ('prod _ cate_id, prod_cate_name ')-> where ('prod _ cate_pid = '. $ id)-> select (); $ this-> ajaxreturn (json_encode ($ list), '','', 0 );
}
