TaxControlAppTest/page/login/login_head.js

import React, {Component} from 'react';
import {
  View,
  Image,
  Text,
  Alert,
  Platform,
  TouchableOpacity,
  DeviceEventEmitter,
} from 'react-native';
import * as WeChat from 'react-native-wechat';
import Login from './login';
import public_css from '../../source/css/public_css';
import {CheckPassword, CheckPhoneNumber} from '../../source/inspect/inspect';
import {GetDataPost} from '../../data/encryption';
import {StorageData} from '../../data/storage';
import {ShowToast} from '../../components/rootToast/root_toast';

export default class login_head extends Component {
  constructor(props) {
    super(props);
    this.props.navigation.dangerouslyGetParent().setOptions({
      tabBarVisible: false,
    });
  }

  render() {
    return (
      <View style={public_css.body}>
        <View style={{flex: 1}}>
          <View
            style={{
              justifyContent: 'center',
              alignItems: 'center',
              flexDirection: 'column',
            }}>
            <Image
              source={require('../../source/img/personal/headImg.png')}
              style={{
                width: 90,
                height: 90,
                margin: 30,
                borderRadius: 50,
              }}
            />
            <Login login_navigation={this.props.navigation} />
          </View>
        </View>
        {/*<View style={{alignItems: 'center', justifyContent: 'center', height: 50}}>*/}
        {/*  <TouchableOpacity*/}
        {/*    onPress={() => {*/}
        {/*      this.loginWeChat();*/}
        {/*    }}>*/}
        {/*    <Image source={require('../../source/img/wechat.png')} />*/}
        {/*  </TouchableOpacity>*/}
        {/*</View>*/}
      </View>
    );
  }

  componentDidMount(): void {
    WeChat.registerApp('wxc4f72f029a280bc4');
  }

  //微信授权登录
  loginWeChat = async () => {
    let scope = 'snsapi_userinfo';
    let state = 'wechat_sdk_demo';
    //判断微信是否安装
    let isInstalled = await WeChat.isWXAppInstalled();
    if (isInstalled) {
      WeChat.sendAuthRequest(scope, state)
        .then(response => {
          this.weChatSignIn(response.code);
        })
        .catch(error => {
          let errorCode = Number(error.code);
          Alert.alert('登录授权发生错误：', error.errStr, [{text: '确定'}]);
        });
    } else {
      Platform.OS == 'ios'
        ? Alert.alert('没有安装微信', '是否安装微信？', [
            {text: '取消'},
            {text: '确定', onPress: () => {}},
          ])
        : Alert.alert('没有安装微信', '请先安装微信客户端在进行登录', [
            {text: '确定'},
          ]);
    }
  };

  //微信免登
  weChatSignIn = async code => {
    const url = '/auth/wx/login';
    let token = null;
    let response = await GetDataPost(
      url,
      token,
      {
        code: code,
        reqChannel: 3,
      },
      false,
      1,
    );
    if (response) {
      if (response.code == 0) {
        let authority = JSON.stringify(response.data.authorities);
        await StorageData(response);
        await this._initRealm();
        DeviceEventEmitter.emit('updateCurMon', null);
        this.props.login_navigation.goBack();
        this.props.login_navigation.navigate('home_navigation', {
          authority: authority,
        });
      } else {
        ShowToast(response.msg);
        this.setLoadingStatus(false);
      }
    } else {
      ShowToast(response.msg);
      this.setLoadingStatus(false);
    }
  };
}