freemarker循环获取list中map的值

客官°小女子只卖身不卖艺 2022-06-16 01:38 526阅读 0赞

1.数据结构

List<Map<String,Object>> mapList = Lists.newArrayList();
    Long originalOrderId = returnObj.getOriginalOrderId();
    List<Long> orderIdList = Lists.newArrayList();
    orderIdList.add(originalOrderId);
    List<Item> itemList = itemService.listByOrderIdList(orderIdList);
    for (Item item : itemList) {
    	
    	Map<String,Object> map = Maps.newLinkedHashMap();
    	if(item != null){
    		Product product = item.getProduct();
    		if(product == null){
    			product = productService.get(item.getProductId());
    		}
    		if(product != null){
    			map.put("productName", product.getName());
    		}
    		List<SpecJsonItem> specList = item.getSpecItemList();
    		if(CollectionUtils.isEmpty(specList)){
    			specList = JSON.parseArray(item.getSpecJson(), SpecJsonItem.class);
    		}
    		if(CollectionUtils.isNotEmpty(specList)){
    			StringBuffer spec = new StringBuffer();
    			for (SpecJsonItem specJsonItem : specList) {
    				spec.append(specJsonItem.getName()).append(":").append(specJsonItem.getValue()).append(" ");
    			}
    			map.put("spec", spec);
    		}
    	}else{
    		item = new Item();
    	}
    	map.put("item", item);
    	mapList.add(map);
    }
    
    model.addAttribute("mapList", mapList);

2.前端页面循环

<#list mapList as map>
    	<tr class="product_${map_index}">
    		<td>商品名称:</td>
    		<td>${map['productName']}</td>
    		<td rowspan="2">商品图片:</td>
    		<td rowspan="2"><img src="${imageDomain}/${map['item'].pic}@200w"></td>
    	</tr>
    	
    	<tr class="product_${map_index}">
    		<td>购买规格:</td>
    		<td>${map['spec']}</td>
    	</tr>
    	
    	<tr class="product_${map_index}">
    		<td>购买价格:</td>
    		<td>${map['item'].price}</td>
    		<td>购买数量:</td>
    		<td>${map['item'].quantity}</td>
    	</tr>
    </#list>