React Native 文档查看组件

摘要：文档查看组件，可以在手机上直接打开文档，支持远程和本地文档。

本文原创首发于公众号：ReactNative开发圈，转载需注明出处。

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React Native 文档查看组件：react-native-doc-viewer，可以在手机上直接打开文档，支持远程和本地文档。支持的文档格式：xls,ppt,doc,xlsx,pptx,docx,png,jpg,pdf,mp4。支持iOS和Android。

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npm install react-native-doc-viewer --save
react-native link react-native-doc-viewer

openDoc 打开远程货或本地文档

openDocb64 打开Base64字符串格式文档

openDocBinaryinUrl 打开二进制文件

playMovie 打开视频文件

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import React, { Component } from "react";
import {
    AppRegistry,
    StyleSheet,
    Text,
    View,
    Platform,
    Button,
    Alert,
    ActivityIndicator
} from "react-native";
import OpenFile from "react-native-doc-viewer";
var RNFS = require("react-native-fs");
var SavePath = Platform.OS === "ios" ? RNFS.MainBundlePath : RNFS.DocumentDirectoryPath;
export default class Component02 extends Component {
    static navigationOptions = ({ navigation }) => ({
        title: `${navigation.state.params.name}`,
    });
    state = { animating: false }
    /*
    * Handle WWW File Method
    * fileType Default == "" you can use it, to set the File Extension (pdf,doc,xls,ppt etc) when in the Url the File Extension is missing.
    */
    handlePress = () => {
        this.setState({ animating: true });
        if (Platform.OS === "ios") {
            OpenFile.openDoc([{
                url: "https://calibre-ebook.com/downloads/demos/demo.docx",
                fileNameOptional: "test filename"
            }], (error, url) => {
                if (error) {
                    this.setState({ animating: false });
                } else {
                    this.setState({ animating: false });
                    console.log(url)
                }
            })
        } else {
            //Android
            this.setState({ animating: true });
            OpenFile.openDoc([{
                url: "https://www.huf-haus.com/fileadmin/Bilder/Header/ART_3/Header_HUF_Haus_ART_3___1_.jpg", // Local "file://" + filepath
                fileName: "sample",
                cache: false,
                fileType: "jpg"
            }], (error, url) => {
                if (error) {
                    this.setState({ animating: false });
                    console.error(error);
                } else {
                    this.setState({ animating: false });
                    console.log(url)
                }
            })
        }
    }
    /*
    * Handle Local File Method
    * fileType Default == "" you can use it, to set the File Extension (pdf,doc,xls,ppt etc) when in the Url the File Extension is missing.
    */
    handlePressLocal = () => {
        this.setState({ animating: true });
        if (Platform.OS === "ios") {
            OpenFile.openDoc([{
                url: SavePath + "demo.docx",
                fileNameOptional: "test filename"
            }], (error, url) => {
                if (error) {
                    this.setState({ animating: false });
                } else {
                    this.setState({ animating: false });
                    console.log(url)
                }
            })
        } else {
            OpenFile.openDoc([{
                url: SavePath + "demo.jpg",
                fileName: "sample",
                cache: false,
                fileType: "jpg"
            }], (error, url) => {
                if (error) {
                    this.setState({ animating: false });
                } else {
                    this.setState({ animating: false });
                    console.log(url)
                }
            })
        }
    }
    /*
    * Binary in URL
    * Binary String in Url
    * fileType Default == "" you can use it, to set the File Extension (pdf,doc,xls,ppt etc) when in the Url you dont have an File Extensions
    */
    handlePressBinaryinUrl = () => {
        this.setState({ animating: true });
        if (Platform.OS === "ios") {
            OpenFile.openDocBinaryinUrl([{
                url: "https://storage.googleapis.com/need-sure/example",
                fileName: "sample",
                fileType: "xml"
            }], (error, url) => {
                if (error) {
                    console.error(error);
                    this.setState({ animating: false });
                } else {
                    console.log(url)
                    this.setState({ animating: false });
                }
            })
        } else {
            OpenFile.openDocBinaryinUrl([{
                url: "https://storage.googleapis.com/need-sure/example",
                fileName: "sample",
                fileType: "xml",
                cache: true
            }], (error, url) => {
                if (error) {
                    console.error(error);
                    this.setState({ animating: false });
                } else {
                    console.log(url)
                    this.setState({ animating: false });
                }
            })
        }
    }
    /*
    * Base64String
    * put only the base64 String without data:application/octet-stream;base64
    * fileType Default == "" you can use it, to set the File Extension (pdf,doc,xls,ppt etc) when in the Url you dont have an File Extensions
    */
    handlePressb64 = () => {
        this.setState({ animating: true });
        if (Platform.OS === "ios") {
            OpenFile.openDocb64([{
                base64: "",
                fileName: "sample.png",
                fileType: "png"
            }], (error, url) => {
                if (error) {
                    console.error(error);
                    this.setState({ animating: false });
                } else {
                    console.log(url)
                    this.setState({ animating: false });
                }
            })
        } else {
            OpenFile.openDocb64([{
                base64: "",
                fileName: "sample",
                fileType: "png",
                cache: true
            }], (error, url) => {
                if (error) {
                    console.error(error);
                    this.setState({ animating: false });
                } else {
                    console.log(url)
                    this.setState({ animating: false });
                }
            })
        }
    }
    /*
    * mp4 Video
    */
    handlePressVideo(video) {
        this.setState({ animating: true });
        if (Platform.OS === "ios") {
            OpenFile.playMovie(video, (error, url) => {
                if (error) {
                    console.error(error);
                    this.setState({ animating: false });
                } else {
                    console.log(url)
                    this.setState({ animating: false });
                }
            })
        } else {
            this.setState({ animating: false });
            Alert.alert("Coming soon for Android")
        }
    }
    setToggleTimeout() {
        this.setTimeout(() => {
            this.setState({ animating: !this.state.animating });
            this.setToggleTimeout();
        }, 2000);
    }
    render() {
        return (
            
                
                
                    Doc Viewer React Native
        
                
                
                
                
                 this.handlePressVideo("http://www.sample-videos.com/video/mp4/720/big_buck_bunny_720p_1mb.mp4")}
                    title="打开视频"
                    accessibilityLabel="See a Document"
                />
            
        );
    }
}
const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: "center",
        alignItems: "center",
        backgroundColor: "#F5FCFF",
    },
    welcome: {
        fontSize: 20,
        textAlign: "center",
        margin: 10,
    },
    instructions: {
        textAlign: "center",
        color: "#333333",
        marginBottom: 5,
    },
});

GitHub - forrest23/ReactNativeComponents: React Native组件大全

GitHub - philipphecht/react-native-doc-viewer: React Native Doc Viewer (Supports file formats: xls,ppt,doc,xlsx,pptx,docx,png,jpg,pdf)

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