using UnityEngine;

using System.Collections;

using ZXing;

using ZXing.QrCode;

using System;

using System.IO;

public class BarcodeCam : MonoBehaviour

{

public Texture2D encoded;//生成的二维码为Texture2D类型

public string Lastresult;//二维码中所包含的内容信息，我是使用了GUID进行代替

public int count = 5;//生成几个二维码

void Start()

{

encoded = new Texture2D(256, 256);

for (int i = 0; i < count; i++)

{

Guid idKey = Guid.NewGuid();

Lastresult = idKey.ToString();

var textForEncoding = Lastresult;

if (textForEncoding != null)

{

var color32 = Encode(textForEncoding, encoded.width, encoded.height);

encoded.SetPixels32(color32);

encoded.Apply();

byte[] bytes = encoded.EncodeToPNG();//把二维码转成byte数组，然后进行输出保存为png图片就可以保存下来生成好的二维码

if (!Directory.Exists(Application.dataPath + "/AdamBieber"))//创建生成目录，如果不存在则创建目录

{

Directory.CreateDirectory(Application.dataPath + "/AdamBieber");

}

string fileName = Application.dataPath + "/AdamBieber/" + idKey + ".png";

System.IO.File.WriteAllBytes(fileName, bytes);

}

}

}

private static Color32[] Encode(string textForEncoding, int width, int height)

{

var writer = new BarcodeWriter

{

Format = BarcodeFormat.QR_CODE,

Options = new QrCodeEncodingOptions

{

Height = height,

Width = width

}

};

return writer.Write(textForEncoding);

}

void OnGUI()

{

GUI.DrawTexture(new Rect(100, 100, 256, 256), encoded);

}

}