解决用户修改头像不变

pages/components/MainPage.js

@@ -18,7 +18,8 @@ import {
 	ImageBackground,
 	TextInput,
 	Animated,
-	StatusBar
+	StatusBar,
+	DeviceEventEmitter
 } from 'react-native';
 import BasePage from '../BasePage';
 import Header from './Header';
@@ -46,6 +47,7 @@ export default class MainPage extends BasePage {
 		// }).fail(() => {
 		//   alert(1111)
 		// })
+		// 触发更新
 		LibraryUrl.getIndex(index).then((res) => {
 			console.log(res);
 			const monthTopicTitle = res.data.monthTopic.zone.title;
@@ -78,7 +80,9 @@ export default class MainPage extends BasePage {
 			console.log(this.state.banner);
 		});
 	}
-
+	componentWillUnmount() {
+		this.refreshSubScription.remove();
+	}
 	state = {
 		grade: '大学',
 		ifGradeMenuShow: false,
@@ -121,7 +125,10 @@ export default class MainPage extends BasePage {
 	};
 
 	componentWillMount() {
-		this.getUserInfo();
+		this.refreshSubScription = DeviceEventEmitter.addListener('indexInfo', () => {
+			this.getUserInfo();
+		});
+		DeviceEventEmitter.emit('indexInfo');
 	}
 	componentDidMount() {
 		// this.updateRender('PRIMARY_SCHOOL');

pages/userCenter.js

@@ -112,6 +112,7 @@ export default class userCenter extends BasePage {
 		);
 	};
 	goBack() {
+		DeviceEventEmitter.emit('indexInfo');
 		//返回上一页
 		this.props.navigation.goBack();
 	}