环境参数:
"dependencies": {
"@ant-design/react-native": "^4.0.0",
"@react-native-community/async-storage": "^1.11.0",
"@react-native-community/masked-view": "^0.1.10",
"@react-navigation/native": "^5.6.1",
"@react-navigation/stack": "^5.6.2",
"axios": "^0.19.2",
"babel-plugin-import": "^1.13.0",
"react": "16.11.0",
"react-native": "0.62.2",
"react-native-flexi-radio-button": "^0.2.2",
"react-native-fs": "^2.16.6",
"react-native-gesture-handler": "^1.6.1",
"react-native-image-crop-picker": "^0.24.1",
"react-native-image-picker": "^2.3.2",
"react-native-image-viewing": "^0.2.0",
"react-native-picker": "^4.3.7",
"react-native-reanimated": "^1.9.0",
"react-native-safe-area-context": "^3.0.7",
"react-native-screens": "^2.9.0",
"react-native-storage": "^1.0.1",
"react-native-swiper": "^1.6.0",
"react-native-vector-icons": "^7.0.0",
"react-redux": "^7.2.0",
"redux": "^4.0.5",
"redux-thunk": "^2.3.0"
},
yarn add react-native-fs --save
import {CameraRoll} from "react-native"
import RNFS from 'react-native-fs';
<TouchableOpacity
onPress={() => {
if (Platform.OS === 'ios') {
CameraRoll.saveToCameraRoll(this.state.modalImage)
.then(res => {
Toast("图片保存成功", 2000)
this.closeModal()
}).catch(error => {
console.log(error.response)
})
} else {
const downloadDest = `${RNFS.DocumentDirectoryPath}/${((Math.random() * 1000) | 0)}.jpg`;
const ret = RNFS.downloadFile({
fromUrl: this.state.modalImage,
toFile: downloadDest
})
ret.promise.then(res => {
console.log(res, "11111111")
if (res && res.statusCode === 200) {
CameraRoll.saveToCameraRoll("file://" + downloadDest)
.then(res => {
Toast("图片保存成功", 2000)
this.closeModal()
}).catch((error) => {
console.log('error:', error);
})
}
}).catch(error => {
console.log(error)
})
}
}}>
<Text>保存图片</Text>
</TouchableOpacity>
hooks写法:
<TouchableOpacity
onPress={() => {
if (Platform.OS === 'ios') {
CameraRoll.saveToCameraRoll(configData.qrCode)
.then(res => {
Alert.alert('图片保存成功')
//this.closeModal()
}).catch(error => {
Alert.alert('图片保存失败')
console.log(error.response)
})
} else {
const downloadDest = `${RNFS.DocumentDirectoryPath}/${((Math.random() * 1000) | 0)}.jpg`;
console.log(downloadDest,configData)
const ret = RNFS.downloadFile({
fromUrl: configData.qrCode,
toFile: downloadDest
})
ret.promise.then(res => {
console.log(res, "11111111")
if (res && res.statusCode === 200) {
CameraRoll.saveToCameraRoll("file://" + downloadDest)
.then(res => {
Alert.alert('图片保存成功')
//this.closeModal()
}).catch((error) => {
Alert.alert('图片保存失败')
console.log('error:', error);
})
}
}).catch(error => {
Alert.alert('图片保存失败')
console.log(error)
})
}
}}>
<Text>点击保存</Text>
</TouchableOpacity>
