ES遍历语法

[].map(()=>{
})

{this.state.dataSource.map((dataSource,index)=> {
                return(
                    <View style = {styles.view1}>
                      <TouchableHighlight style = {styles.view1}
                      color = "black"
                      onPress={() => Alert.alert('点击了录播图' + index)}
                      //点击后的背景颜色 
                      underlayColor="#1FB579" 
                      >
                      <Text>{dataSource.title}</Text>

                      </TouchableHighlight>

                   </View> 
              );
        })}