base64 image to file

将base64图片保存为文件

const fs = require('fs');
const body = req.rawBody;
const base64Data = body.replace(/^data:image\/png;base64,/,"");
const binaryData = Buffer.from(base64Data, 'base64').toString('binary');

fs.writeFileSync("out.png", binaryData, "binary");

从谷歌附件提取图片并保存

const fs = require('fs');
// ....
// callback
function getImage(gmail, id, mid, name) {
  gmail.users.messages.attachments.get(
    {
      userId: 'me',
      id: mid,
      messageId: id
    },
    (err, res) => {
      if (err) console.log(err);
      else {
        const image = res.data.data.replace(/_/g, '/').replace(/-/g, '+');
        fs.writeFileSync(name, Buffer.from(image, 'base64').toString('binary'), 'binary');
      }
    }
  );
}

# node

Alipay

Wechat

base64 image to file

将base64图片保存为文件

从谷歌附件提取图片并保存

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