json 操作
<!doctype html> <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={}; } 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)); </script>
目前， 按照type 分组，最后的格式为
