import React from 'react';
import ReactNative, { StyleSheet, Dimensions, Text ,ReactElement} from 'react-native...import React, { PureComponent } from 'react'
import { View, Text, StyleSheet } from 'react-native'
import...import React,{Component} from 'react'
import {View,Text,StyleSheet,TouchableOpacity,Image} from 'react-native...'react-native'
import assign from 'object-assign';
import PropTypes from 'prop-types';
在类中规定属性类型
static..., { PureComponent } from 'react';
import { View, Text, StyleSheet } from 'react-native'
import color