二維碼生成

基礎環境

SpringBoot、Maven

代碼

依賴

<!--

工具類

import

Controller

import

效果

Base64 字符串

base64 轉換為圖片在線工具

http://tool.chinaz.com/tools/imgtobase/

不帶 Logo 的二維碼：

http://localhost:8080/qrcode/getQRCodeBase64?content=www.baidu.com{"code": 0,"msg": "data:image/png;base64,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","data": null }

帶 Logo 的二維碼：

http://localhost:8080/qrcode/getQRCodeBase64?content=www.baidu.com&logoUrl=http://pic.51yuansu.com/pic3/cover/03/84/85/5c11a40a32429_610.jpg{"code": 0,"msg": "data:image/png;base64,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","data": null }

輸出流

不帶 Logo 的二維碼：

http://localhost:8080/qrcode/getQRCode?content=www.baidu.com

帶 Logo 的二維碼：

http://localhost:8080/qrcode/getQRCode?content=www.baidu.com&logoUrl=http://pic.51yuansu.com/pic3/cover/03/84/85/5c11a40a32429_610.jpg

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