SOURCE

const data = [
        {
          organizationName: '南沙上隆岭路功夫集团4楼',
          organizationAddressId: '69d13f04-495d-11e8-842f-0ed5f89f718b',
          productDetail: '无',
          num: 0
        },
        {
          organizationName: '广州市南沙区上隆岭路1号总部大楼123',
          organizationAddressId: '1',
          productDetail: '无',
          num: 0
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '冬菇鸡腿肉+云南小瓜炒肉片+时令蔬菜+白米饭',
          num: 3
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '冬菇鸡腿肉+家常肉沫豆腐+时令蔬菜+白米饭',
          num: 4
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '榨菜牛肉+云南小瓜炒肉片+时令蔬菜+白米饭',
          num: 1
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '榨菜牛肉+家常肉沫豆腐+时令蔬菜+白米饭',
          num: 2
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '烧鸭+云南小瓜炒肉片+时令蔬菜+白米饭',
          num: 2
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '烧鸭+家常肉沫豆腐+时令蔬菜+白米饭',
          num: 2
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '盐焗鸡+云南小瓜炒肉片+时令蔬菜+白米饭',
          num: 1
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '香干炒肉+云南小瓜炒肉片+时令蔬菜+白米饭',
          num: 3
        },
        {
          organizationName: '白云区三元里大道1278号',
          organizationAddressId: 'ba2d94d6-32f9-11e8-b467-0ed5f89f718b',
          productDetail: '香干炒肉+家常肉沫豆腐+时令蔬菜+白米饭',
          num: 7
        }
      ]

const mySet = new Set();

data.map(x=>mySet.add(x.organizationName))

console.log(mySet.size)

for (i of mySet) {console.log(i)}

let test = []
data.map(x=>{
  if(test[x.productDetail]){
    test[x.productDetail].push({
      oName : x.organizationName
      oNum :x.num
    })
  }else{
    test[x.productDetail] = []
  }
})
console.log(test)

// let dataFilter = data.filter((v,i) =>{ return data.indexOf(v) === i; });
// console.log(Array.from(myMap))

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