復選框獲取值（包括自定義屬性），拼接成字符串

//獲取復選框的自定義屬性did的值
$(function() {
$("input[type=checkbox]").on("click", function () {
var vIds = "";
$("input:checked").each(function() {
vIds += $(this).attr('did') + ",";
});
if (vIds.length > 0) {
vIds = vIds.substring(0, vIds.length - 1);
}

});
});


function tijiao(){
//獲取復選框的值
var spCodesTemp = "";
$('input:checkbox[name=h]:checked').each(function(i){
if(0==i){
spCodesTemp = $(this).val();
}else{
spCodesTemp += (","+$(this).val());
}
});
alert(spCodesTemp);
}