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组件中有子组件是列表时，初始值为空在初始化时会报错导致该组件失效问题的解决 #411

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组件中有子组件是列表时，初始值为空在初始化时会报错导致该组件失效问题的解决 #411

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'组件中有子组件是列表时，初始值为空会报错的解决'
useryu Sep 28, 2017
e75e874
'组件中有子组件是列表时，初始值为空会报错的解决'
useryu Sep 28, 2017
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12 changes: 10 additions & 2 deletions packages/wepy/src/component.js
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Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,11 @@ export default class {

let bindfor = binded.for, binddata = $parent;
bindfor.split('.').forEach(t => {
binddata = binddata[t];
if (binddata[t]){
binddata = binddata[t];
}else{
binddata = [{}];
}
});
repeatKey = Object.keys(binddata)[0];

Expand Down Expand Up @@ -270,7 +274,11 @@ export default class {
if (typeof(binded) === 'object') {
let bindfor = binded.for, binddata = $parent;
bindfor.split('.').forEach(t => {
binddata = binddata[t];
if (binddata[t]){
binddata = binddata[t];
}else{
binddata = [{}];
}
});

val = binddata[index];
Expand Down