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具体思路：
e.detail.value 会取到表单中所有input的值，据此得到每一个input的值
再对data进行赋值
实例：
<form bindsubmit="submit"> <view wx:for="{{model}}" wx:key="{{index}}"> <input
name="name{{index}}" placeholder="name"></input> <input name="sex{{index}}"
placeholder="sex"></input> </view> <button form-type="submit">提交</button> </form
>
js：
Page({ data: { model:[ {id:0,name:null,sex:null}, {id:1,name:null,sex:null} ] }
, submit:function(e){ let model = this.data.model; let name = e.detail.value;
// 获取到form中所有input的值 console.log(name); var i=0,j=1,k=0; for(i=0,j=0;i<model.
length;i++,j++){ var n = "name"+i; var s = "sex"+i; console.log(name[n]);
console.log(name[s]); model[i].name = name[n]; model[i].sex = name[s]; } this.
setData({ model:model }); } })
console.log(name):
得到了每一个input的name及其值，注意到数组的排列顺序是根据name的ASCII进行排序的，所以直接遍历赋值不可行。采用通过key找value的方式
submit:function(e){ let model = this.data.model; let name = e.detail.value;
console.log(name); var i=0,j=1,k=0; for(i=0,j=0;i<model.length;i++,j++){ var n =
"name"+i; // input 名 var s = "sex"+i; // input 名 console.log(name[n]); console.
log(name[s]); // name[sex0] name[sex1] model[i].name = name[n]; model[i].sex =
name[s]; // model[0].sex = name[sex0] // model[1].sex = name[sex1] } this.
setData({ model:model }); },