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 data: {
 2     info:[
 3       {
 4         name:"yuki",
 5         tou:"../img/head.jpg",
 6         zGong:130,
 7         gMoney:222222
 8       },
 9       {
10         name: "yuki",
11         tou: "../img/head.jpg",
12         zGong: 130,
13         gMoney:222222
14       },
15       {
16         name: "yuki",
17         tou: "../img/head.jpg",
18         zGong: 130,
19         gMoney:222222
20       },
21       {
22         name: "yuki",
23         tou: "../img/head.jpg",
24         zGong: 130,
25         gMoney:222222
26       },
27       {
28         name: "yuki",
29         tou: "../img/head.jpg",
30         zGong: 130,
31         gMoney:222222
32       }
33     ]
34   }

 

 

onLoad: function () {
      var that=this;
      var up = "info[" + 0 + "].gMoney";//先用一个变量，把(info[0].gMoney)用字符串拼接起来
      that.setData({
        [up]:1
      })
  }