react native flex 弹性布局 : flex / flexGrow / flexShrink / flexBasis 对比
结论子view宽度之和未超过父view宽度,flex等价于flexGrow父view宽度:pWidth子view宽度:c1Width,c2Width,c3Width子viewflexGrow:c1FlexGrow,c2FlexGrow,c3FlexGrow本demo中计算flexGrow:1、【父布局剩余宽度】=pWidth300-(c1Width50+c2Width50+c3Width50)=1