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反应视图没有更新(渲染永远不会被调用),但reducer被调用。React View没有用更新的更新
我有以下内容:
1)。该反应的看法:我在根状态字段以威慑如果我需要显示“TodoList的”或“HousingInfo”
export default class RightPane extends React.Component{
static contextTypes = {
store: React.PropTypes.object
}
render(){
let store = this.context.store;
let curPage = store.getState()["mainRightPanePage"].currentPage;
return (
<div>
{(store.getState()["mainRightPanePage"].currentPage==="TodoList") && <TodoList/>}
{(store.getState()["mainRightPanePage"].currentPage==="HousingInfo") && <HousingInfo/>}
</div>
)
}
}
2)。动作派发到另一个组件
export default class LeftPane extends React.Component{
static contextTypes = {
store: React.PropTypes.object
}
handleink(pageId, e) {
e.preventDefault();
let store = this.context.store;
store.dispatch({'type':'switchPage', 'pageId':pageId});
...
}
3)。减速器:调用以下减速器
const mainRightPanePage = (state = {'currentPage':'TodoList'}, action) => {
switch (action.type) {
case 'switchPage':
return Object.assign({}, state, {
currentPage: action.pageId
})
default:
return state
}
}
export default mainRightPanePage
我错过了什么?
感谢
你在哪里使用'store.subscribe()'?或者您可以使用react-redux来将商店数据连接到组件 –