图片和byte[]数组互转】的更多相关文章

一.图片转成byte[]数组. import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class Test { public static void main(String[] args){ // fis.read(imgstr); 读取出来的 /*String a1 = "[-119, 80, 78, 71, 13, 10, 26, 10,…
//图片到byte数组 public byte[] image2byte(String path){ byte[] data = null; FileImageInputStream input = null; try { input = new FileImageInputStream(new File(path)); ByteArrayOutputStream output = new ByteArrayOutputStream(); byte[] buf = new byte[1024];…
图片和base64编码字符串 互相转换 import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; import java.io.*; /** * @author lishupeng * @create 2017-05-06 下午 2:56 **/ public class Base64Test { public static void main(String[] args) { String strImg = GetImageSt…
Golang十六进制字符串和byte数组互转 需求 Golang十六进制字符串和byte数组互相转换,使用"encoding/hex"包 实现Demo package main import ( "encoding/hex" "fmt" ) func main() { str := "ff68b4ff" b, _ := hex.DecodeString(str) encodedStr := hex.EncodeToString…
整数: int转byte数组 public static byte[] intToBytes2(int n){ ]; ;i < ;i++) { b[i]=(-i*)); } return b; } byte转换为int public static int byteToInt2(byte[] b) { int mask=0xff; ; ; ;i<b.length;i++){ n<<=; temp=b[i]&mask; n|=temp; } return n; } 浮点: //…
import java.io.ByteArrayOutputStream; public class HexUtil { /** * @param args */ public static void main(String[] args) { String str = "12345678"; String hexStr = encode(str); System.out.println("字符串->十六进制:" + hexStr); System.out.p…
开发时用到的方法,记录下: /// <summary> /// 测试方法 /// </summary> private void TestFun() { Response.Write("=================<p>"); "); var str = ByteArray2BinaryStr(b); str = str.TrimStart('); Response.Write(str); Response.Write("&…
/// <summary> /// 由结构体转换为byte数组 /// </summary> public static byte[] StructureToByte<T>(T structure) { int size = Marshal.SizeOf(typeof(T)); byte[] buffer = new byte[size]; IntPtr bufferIntPtr = Marshal.AllocHGlobal(size); try { Marshal.S…
---恢复内容开始--- WriteableBitmap 是UWP和WP8.1绘制图片的,重组图片的最重要方法.方法较为简单,方法多样性. 通过查看文档,WriteableBitmap的继承性是   WriteableBitmap : BitmapSource [BitmapSource : ImageSource],也就是说WB[WriteableBitmap下文简称]可以直接赋值给Image控件的Source. 用法介绍: WriteableBitmap WB=new WriteableBi…
/// <summary> /// 将图片以二进制流 /// </summary> /// <param name="path"></param> /// <returns></returns> public byte[] SaveImage(String path) { FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read); //…