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react native练习

时间:2019-01-03 00:47:25      阅读:117      评论:0      收藏:0      [点我收藏+]

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import React, { Component } from ‘react‘
import { Platform, StyleSheet, Text, View,Image ,FlatList} from ‘react-native‘
// import { createBottomTabNavigator,createStackNavigator, createAppContainer } from ‘react-navigation‘
// import HomeScreen from ‘./HomeScreen‘
// import ProfileScreen from ‘./SecondScreen‘


// const navigator = createStackNavigator({
// Home: { screen: HomeScreen },
// Profile: { screen: ProfileScreen },
// },
// {
// initialRouteName: ‘Home‘,
// /* The header config from HomeScreen is now here */
// defaultNavigationOptions: {
// headerStyle: {
// backgroundColor: ‘#f4511e‘,
// },
// headerTintColor: ‘#fff‘,
// headerTitleStyle: {
// fontWeight: ‘bold‘,
// },
// },
// navigationOptions: {
// tabBarLabel: ‘Home!‘,
// },
// }
// );

// const TabNavigator = createBottomTabNavigator({
// Home: HomeScreen,
// Profile: ProfileScreen,
// });

class Item extends Component{
render(){
let imguri=‘http://blog.zangzhihong.com/‘+this.props.content.thumbnail;
return(
<View STYLE={{flex:1}}>
<View >
<Text style={{paddingLeft:10,fontSize:16,color: ‘#3f4452‘}}>{this.props.content.title}</Text>
</View>
<View style={{flexDirection:‘row‘,padding:10}}><Text>时间:{this.props.content.time}</Text><Text style={{marginLeft:10}}>分类:{this.props.content.column}</Text><Text style={{marginLeft:10}}>热度:{this.props.content.visitnumber}</Text></View>
<View style={{flexDirection:‘row‘}}>
<View style={{height:150,width:200}}>
<Image style={{height:150,width:200}} source={{uri:imguri}}></Image>
</View>
<View style={{flex:1,paddingLeft:10}}>
<Text numberOfLines={8} >
{this.props.content.article}
 
</Text>
</View>
</View>
<View style={{flexDirection:‘row‘,justifyContent:‘flex-end‘,marginTop:15}}><Text style={{padding:5, borderColor:‘#ccc‘,borderWidth:1}}>阅读全文</Text></View>
</View>
)
}
}

// const App = createAppContainer(TabNavigator)

export default class App extends Component{
constructor(props){
super(props);
this.state={list:[]}
// this.getList=this.getList.bind(this)
}
componentDidMount(){
 
this.getList()
}
getList(){
let content ={currentPage:1,pageSize:15}
fetch(‘http://blog.zangzhihong.com/api/getarticle‘,{method:‘post‘,body:JSON.stringify(content)}).then(response => response.json()).
then(responseJson=>{
 
this.setState({list:responseJson.data});
 
})
}

render(){

return(
<FlatList data={this.state.list
} renderItem={({item}) => <View style={{paddingLeft:10,paddingRight:10,borderBottomColor:‘#fcfcfc‘,borderWidth:0.5}}>
<Item content={item}></Item>
 
</View>}
>
</FlatList>
 
 
)
}
}

// const styles = StyleSheet.create({
// container: {
// flex: 1,
// justifyContent: ‘center‘,
// alignItems: ‘center‘,
// backgroundColor: ‘#F5FCFF‘
// },
// welcome: {
// fontSize: 20,
// textAlign: ‘center‘,
// margin: 10
// },
// instructions: {
// textAlign: ‘center‘,
// color: ‘#333333‘,
// marginBottom: 5
// }
// })

react native练习

标签:com   idm   str   into   ops   center   justify   flat   ali   

原文地址:https://www.cnblogs.com/zzh965390267/p/10212015.html

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