react-native 线性渐变

import LinearGradient from 'react-native-linear-gradient'
<LinearGradient
                        colors={['#e61a0f', '#db7029']}
                        start={{x: 0, y: 0}}
                        end={{x: 1, y: 1}}
                        style={{
                            height:36,
                            width:90,
                            alignItems:'center',
                            justifyContent:'center',
                            borderRadius:18
                        }}
                        locations={[0, 0.75]}
                    >
                        <Text style={styles.con_btn_txt}>提交订单</Text>
                    </LinearGradient>