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  | export default { 
 |      props: { 
 |          // 当前匹配项的name 
 |          value: { 
 |              type: [String, Number, null], 
 |              default: uni.$u.props.tabbar.value 
 |          }, 
 |          // 是否为iPhoneX留出底部安全距离 
 |          safeAreaInsetBottom: { 
 |              type: Boolean, 
 |              default: uni.$u.props.tabbar.safeAreaInsetBottom 
 |          }, 
 |          // 是否显示上方边框 
 |          border: { 
 |              type: Boolean, 
 |              default: uni.$u.props.tabbar.border 
 |          }, 
 |          // 元素层级z-index 
 |          zIndex: { 
 |              type: [String, Number], 
 |              default: uni.$u.props.tabbar.zIndex 
 |          }, 
 |          // 选中标签的颜色 
 |          activeColor: { 
 |              type: String, 
 |              default: uni.$u.props.tabbar.activeColor 
 |          }, 
 |          // 未选中标签的颜色 
 |          inactiveColor: { 
 |              type: String, 
 |              default: uni.$u.props.tabbar.inactiveColor 
 |          }, 
 |          // 是否固定在底部 
 |          fixed: { 
 |              type: Boolean, 
 |              default: uni.$u.props.tabbar.fixed 
 |          }, 
 |          // fixed定位固定在底部时,是否生成一个等高元素防止塌陷 
 |          placeholder: { 
 |              type: Boolean, 
 |              default: uni.$u.props.tabbar.placeholder 
 |          } 
 |      } 
 |  } 
 |  
  |