npmchenwei111/app/utils/PropsUtils.js

test1111

/**
 * Created by chenwei on 2017/8/9.
 */

export default {

  /**
   * 用于获取页面的传参，包括对原生传参和navigation传参
   * @param props
   * @returns {{}}
   */
  getExtras: (props) => {
    let fromParams = {}
    let fromNative = {}

    if (props && props.navigation && props.navigation.state) {
      if (props.navigation.state.params) {
        fromParams = props.navigation.state.params
      }

      let screenProps = props.screenProps
      //启动页面为目标页面时fromNative才有效
      if (screenProps && screenProps.myProps && screenProps.myProps.SCREEN === props.navigation.state.routeName) {
        fromNative = props.screenProps.myProps
      }
    }

    return {
      ...fromNative,
      ...fromParams
    }
  },
}