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js页面跳转与值传递方法

来源:五二脚本发布时间:01-05浏览:288 次
这篇文章主要介绍了js页面跳转与值传递方法,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文实例实现的功能如下:注册页(Register.js),点击注册,跳到注册结果页(RegisterResult.js),并将注册的手机号传递过去,显示xx注册成功。

index.Android.js

'use strict'
import React, { Component } from 'react';
import { AppRegistry,Navigator,BackAndroid} from 'react-native';

var Register = require('./study/Register');
let RegisterResult = require('./study/RegisterResult');
var NaviModule = React.createClass({

  //告知Navigator模块,我们希望在视图切换时,用什么效果
  configureScene:function(route){
    return Navigator.SceneConfigs.FadeAndroid;
  },

  //告知Navigator模块,我们希望如何挂接当前视图
  renderScene:function(router,navigator){
    this._navigator = navigator;
    switch(router.name){
      case "register":
        return <Register navigator = {navigator}/>
      case "registerResult":
        return <RegisterResult telephoneNumber = {router.telephoneNumber} navigator = {navigator}/>

    }
  },

  //React的生命周期函数---组件被挂接时调用
  componentDidMount:function(){
    var navigator = this._navigator;
    BackAndroid.addEventListener('NaviModuleListener',()=>{
      if (navigator && navigator.getCurrentRoutes().length > 1) {
        navigator.pop();
        return true;
      }
      return false;
    });
  },

  //React的生命周期函数---组件被移除时调用
  componentWillUnmount: function(){
    BackAndroid.removeEventListener('NaviModuleListener');
  },

  render:function(){
    return (
      <Navigator
        initialRoute = {{name:'register'}}
        configureScene = {this.configureScene}
        renderScene = {this.renderScene} />
      );
  }

});

AppRegistry.registerComponent('FirstDemo', () => NaviModule);

注册页(Register.js)

'use strict'
import React, { Component } from 'react';
import {
 AppRegistry,
 StyleSheet,
 Text,
 View,
 TextInput
} from 'react-native';

let Dimensions = require('Dimensions');
let totalWidth = Dimensions.get('window').width;
let leftStartPoint = totalWidth * 0.1;
let componetWidth = totalWidth * 0.8;

let Register = React.createClass({

  getInitialState:function(){
    return {
      inputedNum :'',
      inputedPW:'',
  },

  updatePW: function(newText){
    this.setState({inputedPW : newText});
  },

 render: function() {
  return (
   <View style={styles.container}>
    <TextInput style = {styles.numberInputStyle}
     placeholder = {'请输入手机号'}
     onChangeText = {(aa) => this.setState({inputedNum :aa})}/>
    <Text style={styles.textPromptStyle}>
     您输入的手机号:{this.state.inputedNum}
    </Text>
    <TextInput style={styles.passwordInputStyle}
     placeholder = {'请输入密码'}
     password = {true}
     onChangeText = {(newText) => this.updatePW(newText)}/>
    <Text style={styles.bigTextPrompt}
     onPress = {this.userRegister}>
     注 册
    </Text>
   </View>);
 },

 userRegister:function(){
  this.props.navigator.replace({
   telephoneNumber : this.state.inputedNum,
   name: 'registerResult',
  });
 }

});

const styles = StyleSheet.create({
 container: {
  flex: 1,
  flexDirection:'column',
  justifyContent: 'center',
  backgroundColor: '#F5FCFF',
 },
 numberInputStyle:{
  top:20,
  left:leftStartPoint,
  width:componetWidth,
  backgroundColor:'gray',
  fontSize:20
 },
 textPromptStyle:{
  top:30,
  left:leftStartPoint,
  width:componetWidth,
  fontSize:20
 },
 passwordInputStyle:{
  top:50,
  left:leftStartPoint,
  width:componetWidth,
  backgroundColor:'gray',
  fontSize:20
 },
 bigTextPrompt:{
  top:70,
  left:leftStartPoint,
  width:componetWidth,
  backgroundColor:'gray',
  color:'white',
  textAlign:'center',
  fontSize:60
 }
});

module.exports = Register;

注册结果页RegisterResult.js

'use strict'
import React, { Component } from 'react';
import {
 AppRegistry,
 StyleSheet,
 Text,
 View,
 TextInput
} from 'react-native';

let RegisterResult = React.createClass({

  render:function(){
    return(
      <View style = {styles.container}>
        <Text style = {styles.text}>
          {this.props.telephoneNumber}注册成功
        </Text>
      </View>
    );
  }

});

const styles = StyleSheet.create({
  container: {
  flex: 1,
  flexDirection:'column',
  justifyContent: 'center',
  alignItems:'center',
  backgroundColor: '#F5FCFF',
 },
 text:{
  flexWrap:'wrap',
  backgroundColor:'gray',
  fontSize:20,
  paddingTop:10,
  paddingBottom:10,
  paddingLeft:25,
  paddingRight:25
 },
});

module.exports = RegisterResult;

以上就是js页面跳转与值传递方法,希望对大家的学习有所帮助,也希望大家多多支持五二脚本。

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