我的代码中有错误。
错误是这样说的:
v.context.$implicit 未定义
问题是,有时会出错,有时不会……
有人可以解释为什么会发生吗...
这是我的 html 代码:
<ng-container *ngFor="let time of item.timeInfo | keys" >
<ion-row *ngIf="time == thisDay">
<ion-col col-3 no-padding>
<ng-container *ngIf="checkTime(); else closeButton">
<button small ion-button block color="secondary" outline> OPEN </button>
</ng-container>
<ng-template #closeButton>
<button small ion-button block color="danger" outline>Close </button>
</ng-template>
</ion-col>
<ion-col col-9 >
{{ item.timeInfo[thisDay].open }} - {{ item.timeInfo[thisDay].close }}
</ion-col>
</ion-row>
</ng-container>
这是我的 json 代码:
"item":{
"timeInfo": {
"Sat": {
"open": "11:00",
"close": "21:00"
},
"Sun": {
"open": "9:00",
"close": "21:30"
},
"Mon": {
"open": "11:00",
"close": "22:30"
},
"Tue": {
"open": "12:00",
"close": "22:00"
},
"Web": {
"open": "12:00",
"close": "22:30"
},
"Thu": {
"open": "9:30",
"close": "22:30"
},
"Fri": {
"open": "12:30",
"close": "22:00"
}
},
};
这是我的版本:
@ionic/cli-utils : 1.15.2
ionic (Ionic CLI) : 3.15.2
local packages:
@ionic/app-scripts : 3.0.0
Ionic Framework : ionic-angular 3.7.1
System:
Node : v6.11.2
npm : 5.4.2
OS : Windows 8.1
Misc:
backend : pro
有人可以帮助我吗?
酪氨酸酶