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wxtool.js
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wxtool.js
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const fs = require('fs');
const xml2js = require('xml2js');
const path = require('path');
/**
* error code 说明.
* <ul>
* <li>-40001: 签名验证错误</li>
* <li>-40002: xml解析失败</li>
* <li>-40003: sha加密生成签名失败</li>
* <li>-40004: encodingAesKey 非法</li>
* <li>-40005: appid 校验错误</li>
* <li>-40006: aes 加密失败</li>
* <li>-40007: aes 解密失败</li>
* <li>-40008: 解密后得到的buffer非法</li>
* <li>-40009: base64加密失败</li>
* <li>-40010: base64解密失败</li>
* <li>-40011: 生成xml失败</li>
* </ul>
*/
const parser = new xml2js.Parser();
function parseEnXML(filename, fn) {
fs.readFile(path.resolve(__dirname, filename), (err, data) => {
if(err==null) {
parser.parseString(data, (err2, res) => {
if(err2) {
return fn&&fn(err2, null);
}
let ToUserName = res.xml.ToUserName[0].trim();
let Encrypt = res.xml.Encrypt[0].trim();
fn&&fn(null, {
ToUserName:ToUserName,
Encrypt:Encrypt
});
})
} else {
// console.log('FS ERR->', err);
throw err;
}
})
}
parseEnXML('data/img.xml', (err, data) => {
console.log('OK->', err, data);
})