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把select下拉框的值傳到id中,是網(wǎng)友們比較在意的問題，本人搜索整理下，曬出來和大家分享

完整的代碼如下：

HTML code:

代碼如下:

<!--

EOT;

if($step==1){

print <<<EOT -->

<div class="main">

<form name="form_order" method="post" action="?action=$atc" enctype="multipart/form-data">

<div class="shopcartbox">

<div class="shopcart2">

<!--

EOT;

$total_all=0;

$jinbi_all=0;

foreach($listdb AS $name=>$array){

$total=0;

$jinbi=0;

print <<<EOT

-->

<ul class="u1">

<li class="l1"><div><input type="checkbox" name="" id="" checked="checked" /> 全選</div></li>

<li class="l2">商品</li>

<li class="l3">返積分</li>

<li class="l4">數(shù)量</li>

<li class="l5">單價(jià)</li>

<li class="l6">總價(jià)</li>

</ul>

<!--

EOT;

foreach($array AS $rs){ $

rs[picurl]=$rs[picurl]?$rs[picurl]:"$webd[www_url]/images/default/nopic.jpg";

$rs[picurl]=tempdir($rs[picurl]);

@extract($db->get_one("SELECT content FROM {$_pre}content_$rs[mid] WHERE id=$rs[id]"));

$content=preg_replace('/<([^<]*)>/is',"",$content); //把HTML代碼過濾掉

$content=preg_replace('/ |　| /is',"",$content); //把多余的空格去除掉 $content= get_word($content,100);

$total+=$rs[price2];

$total_all+=$rs[price2];

$jinbi+=$rs[jinbi2];

$jinbi_all+=$rs[jinbi2];

print <<<EOT

-->

<ul class="u2" id="tr$rs[id]">

<li class="l1"><input type="checkbox" name="" id="" checked="checked" /></li>

<li class="l2"><a href="bencandy.php?city_id=$rs[city_id]&fid=$rs[fid]&id=$rs[id]" class="pic" target="_blank"><img src="$rs[picurl]"height="90" onError="this.src='$webdb[www_url]/images/default/nopic.jpg'"/></a><h3><a href="bencandy.php?city_id=$rs[city_id]&fid=$rs[fid]&id=$rs[id]" target="_blank">$rs[title]</a></h3><p>$rs[content]</p></li>

<li class="l3">0分</li>

<li class="l4">{$rs[num]}</li>

<li class="l5"><font>{$rs[price]}</font>元</li> <li class="l6"><font id="showid$rs[id]" class="shows$rs[uid]">{$rs[price2]}</font>元</li> </ul>

<!--

EOT;

}print <<<EOT

-->

<ul class="u3">

<div class="fr">

<p class="p1">

運(yùn)送方式：

<!--

EOT;

if($rs[youfei]=="1"){print <<<EOT

-->

<select id="collect" name="postdb[youfei]" onchange="Add(this.value,'total$rs[uid]')">

<option value='10'>快遞:10元</option>

<option value='20'>EMS:20元</option>

<option value='50'>平郵:50元</option>

</select>

<SCRIPT LANGUAGE="JavaScript">

<!--

function changenum(price,type,id,uid){

price=parseFloat(price);

num = parseInt($("#numid"+id).val());

if(type==1){ //增加

num++; }

else if(type==-1){ //減少

num--; }

else if(type==0){ //刪除

num=0 }

if(type!=0 && num==0){

alert('數(shù)量不能小于1,若不想購(gòu)買,請(qǐng)選擇刪除');

num=1; }

$("#numid"+id).val(num);

$("#showid"+id).html(changeTwoDecimal(String(num*price))); obj=$(".shows"+uid);

thispice = 0;

for(i=0;i<obj.size();i++){

thispice+=parseFloat(obj.eq(i).html()); }

$("#total"+uid).html(thispice); if(type==0){

$.get("join.php?type=setcookie&cid="+id+"&num="+0); $("#tr"+id).hide(); }else{

$.get("join.php?type=setcookie&cid="+id+"&num="+num+"&"+Math.random()); } obj2 = $(".totalprice");

if(obj2.size()>1){ thispice = 0; for(i=0;i<obj2.size();i++){

thispice+=parseFloat(obj2.eq(i).html()); }

$("#total_all").html(thispice); } }

function changeTwoDecimal(x){

var f_x = parseFloat(x);

if(isNaN(f_x)){

alert('function:changeTwoDecimal->parameter error');

return false; }

var f_x = Math.round(x*100)/100; return f_x; }

function Add(m,id){ document.getElementById(id).innerHTML = parseInt(document.getElementById(id).getAttribute("total")+parseInt(m)) //--> </SCRIPT>

<!--

EOT; }

print <<<EOT

-->

</p>

<p class="p2"><strong>店鋪商品合計(jì)：

</strong>(含運(yùn)費(fèi)) <font id="total$rs[uid]" class="totalprice">$total</font>元</p>

</div>

<div class="fl">

<p class="p1"><stron>賣家：{$rs[username]}</strong></p>

<p class="p2">給賣家留言：<textarea name='postdb[content]' id='atc_content' >$rsdb[content]</textarea></p>

</div>

</ul>

<!--

EOT; }print <<<EOT

-->

<!--

EOT;

if(count($listdb)>1){

print <<<EOT

-->

<ul class="u4"><div><strong>商品總價(jià)：</strong>(含運(yùn)費(fèi)) <font id="total_all">$total_all</font>元</div></ul> <!-- EOT; }

print <<<EOT

-->

</div>

</div>

<div class="clear20"></div> <div class="shoppostbox">

<div class="shoppostdiv">

<div class="shopinfo">

<p><span>實(shí)付款：</span>

<!--

EOT;

if(count($listdb)>1){

print <<<EOT

-->

<font id="total$rs[uid]" class="totalprice">$total_ll</font>元

<!--

EOT; }

else{print <<<EOT

-->

<font id="total$rs[uid]" class="totalprice">$total</font>元

<!--

EOT;

}print <<<EOT

--> </p> {$address_selects}

</div>

</div>

<div class="shop_postbtn">

<input type="submit" name="imageField" id="imageField" class="shop-submit" value=" " /> <input type="hidden" name="fid" value="$fid"> <input type="hidden" name="id" value="$id"> <input type="hidden" name="cid" value="$cid"> <input type="hidden" name="postdb[title]" id="atc_title" size="50" value="$infodb[title]"> </div>

<!--

EOT;

if($job=='edit'){print <<<EOT

-->

<SCRIPT LANGUAGE="JavaScript">

<!--

$(document).ready(function(){

$("#othermore").show();$("#dobutton").hide();

});

//-->

</SCRIPT>

<a href="?action=del&id=$id&cid=$cid&fid=$rsdb[fid]" onClick="return confirm('你確認(rèn)要?jiǎng)h除嗎?');">刪除</a>

<!--

EOT;

}print <<<EOT

-->

</div>

<script language="JavaScript">

<!--

function chooseAddress(selObj){

value = selObj.options[selObj.selectedIndex].value;

if(value=='-1'){

ifHideMoreTr(false); }

else{ ifHideMoreTr(true);

}

}

function ifHideMoreTr(type){

var arr = ["username","phone","mobphone","email","qq","postcode","address" ];

$("#othermore input").each(function (i){

if(jQuery.inArray(this.name.replace(/postdb\[order_([\w]+)\]/, "$1"),arr)!=-1){

obj=$(this).parent().parent();

if(type==true){

obj.hide()

}else{ obj.show()

}

}

});

}

$(document).ready(function(){

sObj = $("#choose_Address");

if(sObj.get(0).options.length==1||"$job"=="edit"){

sObj.parent().parent().hide

ifHideMoreTr(false);

}

else{ ifHideMoreTr(true);

}

});

//-->

</script>

</form>

</div>

<!--

EOT;

} print <<<EOT

-->

<div class="clear20">

</div>

</div>

<!--

EOT;

?>

-->

想要的效果是：

當(dāng)我選擇ems20運(yùn)費(fèi)時(shí)，在運(yùn)送方式中點(diǎn)擊下拉框中的運(yùn)費(fèi)時(shí)那么就用 店鋪合計(jì)總價(jià)+ 20元 當(dāng)我點(diǎn)擊平郵50元時(shí)，店鋪合計(jì)總價(jià)+ 50元.

我說的要二個(gè)地方顯示，是因?yàn)樗绻嬖诙€(gè)不同的商家的商品時(shí)，會(huì)有二個(gè)商家合起來的總價(jià)和 商家商品本身的總價(jià)。

解決方法如下：

代碼如下:

<select id="collect" name="postdb[youfei]" onchange="Add(this.value,'total$rs[uid]')">

<option value='10'>快遞:10元</option>

<option value='20'>EMS:20元</option>

<option value='50'>平郵:50元</option>

</select>

對(duì)name=”postdb[youfei]“屬性進(jìn)行操作，在action中設(shè)置名為postdb[youfei]的參數(shù)，即：private String postdb[youfei]，然后生成get/set方法，就可以取到值了!