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<html>
<head>
<meta charset="utf-8">
<title>json 操作</title>
</head>
<body>
<div id="oDiv"></div>
</body>
</html>
<script type="text/javascript" src="jquery.1.9.0.min.js"></script>
<script type="text/javascript">
var json={
"data": {
"secProducts": [
{
"name": "印度尼西亚Richeese纳宝帝奶酪威化饼干 58克",
"type": 0
},
{
"sellNum": 131,
"type": 0
},
{
"name": "越南Tipo奶油味面包干 300g",
"type": 0
},
{
"name": "泰国yumyum冬阴功杯面 70g",
"type": 0
},
{
"name": "丹麦Kjeldsens蓝罐曲奇 90g",
"type": 0
},
{
"name": "泰国进口Nanaco桔子味果冻240g",
"type": 0
},
{
"name": "奇多干杯脆粟米粒日式牛排味 25g",
"type": 10
},
{
"name": "德芙Dove丝滑牛奶颗粒巧克力 72g",
"type": 10
},
{
"name": "韩国进口海牌小力士鱼肠 ",
"type": 10
},
{
"name": "印尼丽芝士Richeese纳宝帝奶酪饼干 145克",
"type": 10
},
{
"name": "丹麦Kjeldsens蓝罐加仑子曲奇 90g ",
"type": 10
},
{
"name": "波兰费列罗椰蓉扁桃仁酥球 3粒装",
"type": 10
},
{
"name": "张君雅小妹妹休闲丸子 日式风味 80g",
"type": 12
},
{
"name": "新农哥熟纸皮核桃 200g/袋",
"type": 12
},
{
"name": "咪咪虾条 正宗马来西亚风味 20g*40包",
"type": 12
},
{
"name": "意大利Kinder费列罗牛奶榛果威化巧克力 43g ",
"type": 12
},
{
"name": "泰国Nanaco荔枝味果冻 240g",
"type": 12
},
{
"name": "德国Lorenz劳仑兹细薯条 100g",
"type": 12
},
{
"name": "阿尔卑斯精选混合口味棒棒糖 40g ",
"type": 16
},
{
"name": "德国Chio奇奥原味玉米片 125g",
"type": 16
},
{
"name": "美宝莲 好气色美肌霜 粉色30ml（CC霜 保湿 遮瑕 裸妆）",
"type": 16
},
{
"name": "德国Lorenz劳仑兹红椒细薯条 100g",
"type": 16
},
{
"name": "印尼丽芝士Richeese纳宝帝奶酪饼干 290g",
"type": 16
},
{
"name": "泰国 Nanaco芒果味果冻240g",
"type": 16
},
{
"name": "舞动舌尖 手撕面包起酥面包 原味40g 休闲零食品糕点",
"type": 19
},
{
"name": "乐天56%桶巧克力 86g",
"type": 19
},
{
"name": "韩国海地村鳕鱼肠 84g",
"type": 19
},
{
"name": "印度尼西亚Astick椰子味威化卷心酥 330g ",
"type": 19
},
{
"name": "德国Lorenz劳仑兹清新咸薯片 90g",
"type": 19
},
{
"name": "伊欧诗（EOS） 石榴覆盆子润唇球7g（润唇 滋润 不油腻 保湿 唇膏）",
"type": 19
},
{
"name": "旺旺仙贝原味105g",
"type": 20
},
{
"name": "好丽友好友趣三连包 111g/组",
"type": 20
},
{
"name": "ZEK蜂蜜黄油马铃薯片 60g",
"type": 20
},
{
"name": "泰国小老板调味海苔泰式咖喱蟹味 36g",
"type": 20
},
{
"name": "旺旺大米饼原味 400g",
"type": 20
},
{
"name": "谜尚（MISSHA）魅力润透妆前乳40g（保湿锁水 滋养肌肤 提亮肤色）",
"type": 20
},
{
"name": "乐事无限薯片忠于原味 104g",
"type": 21
},
{
"name": "台湾榙榙牛轧苏打夹心饼干蔓越莓味袋装156g",
"type": 21
},
{
"name": "韩国kkobangsi 高邦喜原味鳕鱼肠 135g(15g*9)",
"type": 21
},
{
"name": "雀巢Nestle脆脆鲨抹茶威化 320g",
"type": 21
},
{
"name": "明治Meiji巴旦木夹心黑巧克力 80g",
"type": 21
},
{
"name": "卡姿兰（Carslan）亮颜修容蜜粉02#淡粉色10g（散粉持久定妆控油遮瑕）",
"type": 21
},
{
"name": "新疆特产味正品新疆和田枣片 25g",
"type": 22
},
{
"name": "姚生记碧根果长寿果 128g/袋",
"type": 22
},
{
"name": "比利时德菲丝松露形代可可脂巧克力 100g",
"type": 22
},
{
"name": "韩国全南蜂蜜柚子茶 580g",
"type": 22
},
{
"name": "法国进口LU露怡牛奶巧克力饼干 150g",
"type": 22
},
{
"name": "百草味 牛肉干肉脯 五香牛肉粒 100g/袋",
"product_promotion": {
"promotion_price": 18
},
"type": 10,
},
{
"name": "百草味 牛肉干肉脯 五香牛肉粒 100g/袋",
"product_promotion": {
"promotion_price": 18
},
"type": 12,
},
{
"name": "百草味 牛肉干肉脯 五香牛肉粒 100g/袋",
"product_promotion": {
"promotion_price": 18
},
"type":16 ,
},
{
"name": "百草味 牛肉干肉脯 五香牛肉粒 100g/袋",
"product_promotion": {
"promotion_price": 18
},
"type": 10,
},
],
},
"error_code": 0,
"error_msg": "",
"success": true
};
var productMap = {};
var productList=[];
$.each(json.data.secProducts,function(i,item){
var type=item.type;
if(!item.product_promotion){// 判断是否有促销
item.product_promotion={};
}
//放入MAP中
if(typeof productMap[type]=="undefined"){
productMap[type]=[];
productMap[type].push(item);
}else{
productMap[type].push(item);
}
})
alert(JSON.stringify(productMap) )
//转为数组
/*
for in 遍历的是一个对象，
*/
for(var key in productMap ){
productList.push({type:key,item:productMap[key]});
}
//alert(JSON.stringify(productList));
//找出第个组中最大的len
var len=productList.length;
var maxLen=0;
var maxType=0;
for(var i=0; i<len; i++){
if(maxLen<productList[i].item.length){
maxLen=productList[i].item.length;//最大数量
maxType=productList[i].type;//最大数量的type
}
}
alert(maxLen);
alert(maxType);
</script>
