nodejs

 

几点问题：

1、怎么直接添加子节点

2、判断目录有效性

3、parseString有没有同步接口，或者通过回调来处理数据，感觉现在异步存在时序问题

4、for循环中的continue怎么表示

 

 

<?xml version="1.0" encoding="UTF-8"?>
<resources xmlns:tools="http://schemas.android.com/tools" xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
    <string name="app_name" priority="LT">Hello World</string>
    <string name="save" priority="LT">Save</string>
</resources>

<?xml version="1.0" encoding="UTF-8"?>
<resources xmlns:tools="http://schemas.android.com/tools" xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
    <string name="app_name" priority="LT">你好</string>
    <string name="save" priority="LT">"保存"</string>
</resources>

 

 

 

const fs = require("fs");
const xml2js = require('xml2js');
const path = require("path")
// var xmlParser = new xml2js.Parser({explicitArray:false});
const xmlParser = new xml2js.Parser();

const languageDir = 'D:\\CODE\\testnodejs\\languages';

const outDir = 'D:\\CODE\\testnodejs\\languages';

const outxmlName = 'newstring.xml';

var xmlString =
'<?xml version="1.0" encoding="UTF-8"?>'
+'<resources xmlns:tools="http://schemas.android.com/tools" xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">'
+'<string></string>'
+'</resources>'

xmlParser.parseString(xmlString,function(err,allResult) {
    var allstrings = allResult.resources.string;

    var files = fs.readdirSync(languageDir);
    files.forEach(file => {
        var languageFilePath = path.join(languageDir, file, "string.xml");

        fs.stat(languageFilePath, (statErr, stats) => {
            if (statErr) {
                if (statErr.code == 'ENOENT') {
                    console.log("file not exist" + languageFilePath);
                }
                return;   //return跳出for循环
            }
            var data = fs.readFileSync(languageFilePath);
            // var data = fs.readFileSync("./languages/values/string.xml");
            xmlParser.parseString(data,(parseErr,result) => {
                var strings = result.resources.string;
                strings.forEach(string => {
                    string.$.filename = file;
                    allstrings.push(string);
                })
            });
        });
    });
    delete allstrings[0];

    const builder = new xml2js.Builder();
    const xml = builder.buildObject(allResult);
    
    fs.writeFile(path.join(outDir, outxmlName), xml, (error) => {
        if (error) {
            throw error;
        }
        console.log("write file OK");
    });
    console.log("do job success");
})