我在展开期间创建新项目时突然出现此错误,当我创建任何项目时,它完全加载并可以看到默认屏幕.
当我尝试安装任何依赖,例如纱线添加原生基地,它停止工作,让我无法找到变量自我和世博会被绞死
请提前帮助谢谢
button我的应用程序中有一个聊天屏幕，我在它旁边的 和它的帮助下发送消息onPress()，
这是代码：
import React, { Component } from "react";
import {
View,
Text,
StyleSheet,
TextInput,
Button,
Image,
TouchableOpacity,
Picker,
AsyncStorage
} from "react-native";
import axios from "axios";
import { Dropdown } from "react-native-material-dropdown";
import { Input } from "native-base";
class MessageForm extends Component {
state = {
message: "",
rc_id: this.props.rc_id,
usertype: this.props.usertype,
senderid: this.props.userid,
subject: this.props.subject
};
sendMessage = async () => {
console.log(
this.state.rc_id,
this.state.usertype,
this.state.senderid,
this.state.message,
this.state.subject
);
try {
let { data …我有一个像这样的现有数组
"activeSubject": [
{
"subject_id": "Class Teacher",
"subject_name": "Class Teacher",
"status": "2"
},
{
"subject_id": "Academic Leader (Head)",
"subject_name": "Academic Leader (Head)",
"status": "2"
},
{
"subject_id": "15",
"subject_name": "Physics",
"status": "2"
}
]然后我想创建一个看起来像这样的新数组
"new_subjects": [
{
"value": "Class Teacher",
},
{
"value": "Academic Leader (Head)",
},
{
"value": "Physics",
}
]我已经通过map()方法尝试了这个
var objA = this.state.activeSubject.map(o => ({
[o]: { value: o.subject_name}
}))但它没有给出正确的数组,请帮我解决这个问题