React native 使用useState对本机表单进行反应
以自然形式反应。保持相同的格式React.useState并更新输入。在react中,这样做是可能的。在react native中可以做什么React native 使用useState对本机表单进行反应,react-native,React Native,以自然形式反应。保持相同的格式React.useState并更新输入。在react中,这样做是可能的。在react native中可以做什么 import React from "react"; import { View, StyleSheet } from "react-native"; import { Input, Text, Button } from "react-native-elements"; import Spacer from "../Spacer"; const Reg
import React from "react";
import { View, StyleSheet } from "react-native";
import { Input, Text, Button } from "react-native-elements";
import Spacer from "../Spacer";
const RegisterScreen = () => {
const [formData, setFormData] = React.useState({
name: "",
email: "",
password: ""
});
const { name, email, password } = formData;
const handleChange = name => e => {
setFormData({ ...formData, [name]: e.target.value });
};
return (
<View style={styles.container}>
<Spacer>
<Text h4 style={styles.header}>
Register
</Text>
</Spacer>
<Spacer>
<Input
label="Name"
value={name}
onChangeText={() => handleChange("name")}
/>
</Spacer>
<Spacer>
<Input
label="Email"
value={email}
onChangeText={() => handleChange("email")}
/>
</Spacer>
<Spacer>
<Input
label="Password"
value={password}
onChangeText={() => handleChange("password")}
/>
</Spacer>
<Spacer>
<Button title="Sign Up" />
</Spacer>
</View>
);
};
const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: "center",
marginBottom: 150
},
header: {
textAlign: "center"
}
});
export default RegisterScreen;
从“React”导入React;
从“react native”导入{View,StyleSheet};
从“react native elements”导入{Input,Text,Button};
从“./间隔器”导入间隔器;
常量注册表屏幕=()=>{
常量[formData,setFormData]=React.useState({
姓名:“,
电邮:“,
密码:“
});
const{name,email,password}=formData;
const handleChange=name=>e=>{
setFormData({…formData,[名称]:e.target.value});
};
返回(
登记
handleChange(“名称”)}
/>
handleChange(“电子邮件”)}
/>
handleChange(“密码”)}
/>
);
};
const styles=StyleSheet.create({
容器:{
弹性:1,
辩护内容:“中心”,
marginBottom:150
},
标题:{
textAlign:“居中”
}
});
导出默认注册表屏幕;
(React-native表单。保持相同的格式React.useState并更新输入。在React中可以这样做。在React-native中可以这样做吗?是的!它应该很好用!只需导入
useState
,这在代码中缺失