29-jsp中用js进行时间格式转化

<script type="text/javascript">
	function dateToGMT(strDate) {
		if(null==strDate || ""==strDate){
	        return "";
	    }
	    var dateStr=strDate.trim().split(" ");
	    var strGMT = dateStr[0]+" "+dateStr[1]+" "+dateStr[2]+" "+dateStr[5]+" "+dateStr[3]+" GMT+0800";
	    var date = new Date(Date.parse(strGMT));
	    var y = date.getFullYear();
	    var m = date.getMonth() + 1;  
	    m = m < 10 ? (‘0‘ + m) : m;
	    var d = date.getDate();  
	    d = d < 10 ? (‘0‘ + d) : d;
	    var h = date.getHours();
	    var minute = date.getMinutes();  
	    minute = minute < 10 ? (‘0‘ + minute) : minute;
	    var second = date.getSeconds();
	    second = second < 10 ? (‘0‘ + second) : second;
	    
	    return y+"-"+m+"-"+d+" "+h+":"+minute+":"+second;
	}
	function time(id, strDate){
		document.getElementById(id).innerHTML = dateToGMT(strDate);
	}
</script>

　　　　　　　　　　　　　　 <c:set var = "i" value = "0"/>
			<c:forEach items="${requestScope.sppurchases}" var="spp"
				varStatus="stat">
				<tr class="cart_item">
					<td class="product-price"><span class="amount">${spp.dingdanid}</span></td>
					
					<td class="product-name"><a href="${pwd }/goods/detial?id=${spp.gid}">${requestScope.name[i]}</a></td>
					
					<td class="product-price"><span class="amount">${spp.num}</span></td>
					
					<td class="product-price"><span class="amount">${spp.money}</span></td>
					
					<td class="product-price"><span class="amount" id = ${spp.id } >${spp.purtime}
						<script type="text/javascript">time( "${spp.id }" , "${spp.purtime}")</script>
					</span></td> 
				</tr>
				<c:set var = "i" value = "${i + 1}"/>
			</c:forEach>