base64

根据图片路径生成二进制流，下载图片

由 纵然是瞬间 提交于 2020-01-27 07:59:20
let url = this.codes[0].qrImgUrl this.getBase64(url).then(function(base64){ 　　let save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a'); 　　save_link.href = base64; 　　if(that.pageType=='mediaIds'){ 　　　　save_link.download = that.data[0].mediaNo+'.jpg'; 　　}else{ 　　　　save_link.download = that.data[0].salesmanName+that.data[0].accNo+'.jpg'; 　　} 　　let event = document.createEvent('MouseEvents'); 　　event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null); 　　save_link.dispatchEvent(event); },function(err){ }); getBase64(img){ 　　let that

小程序图片转base64格式图片

由 核能气质少年 提交于 2020-01-27 07:55:04
var FileSystemManager = wx.getFileSystemManager() var filedata = FileSystemManager.readFileSync(tempFilePaths[0], 'base64') 文档地址： https://developers.weixin.qq.com/miniprogram/dev/api/file/FileSystemManager.readFileSync.html 来源： CSDN 作者： 江湖行骗老中医 链接： https://blog.csdn.net/liming1016/article/details/103706906

Android-AES加解密

由 久未见 提交于 2020-01-25 21:59:27
项目Aes功能背景： 早期用的是jni写的aes加密算法，其实android 本身就实现了aes算法。 于是封装了一个工具类（实际元素值要变，比如加密模式，偏移量等等），这里写法只是参考，封装的有点欠妥，但思路简介易懂，可以随手修改。 加密在线链接 做这块要与服务器的算法一致才是可以，所以要对以上的元素（加密模式，填充、数据块，偏移量等元素，仔细校验。） 偏移量最少：16字节长度 那就是填0000000000000000 import android . util . Base64 ; import javax . crypto . Cipher ; import javax . crypto . spec . IvParameterSpec ; import javax . crypto . spec . SecretKeySpec ; /** * * android 对应的aes 工具 --- 可以替换本项目中的jni aes * @author bingley * @date 2020/1/13. */ public class AESUtils { public static String algorithm = "AES/CBC/PKCS5Padding" ; //使用的算法 算法/模式/补码方式, 目前支持ECB和CBC模式 public static String

SQL server to convert base64 data into a file

由 帅比萌擦擦* 提交于 2020-01-25 14:27:38
问题 Scenario : I convert a pdf file to base64 and put it in an xml, and Problem : when I receive the xml I will have to convert this base64 data back to the original pdf file using SQL Server and store it somewhere. I found this link but could not figure out how to do it. This is what I have: DECLARE @SQLcommand VARCHAR(8000), @MyOriginalFile VARCHAR(8000), @RawData VARCHAR(8000) SET @RawData = 'JVBERi0x etc' SET @SQLcommand = 'bcp "SELECT @MyOriginalFile = @RawData" queryout "\\MY-SERVER

SQL server to convert base64 data into a file

由 我们两清 提交于 2020-01-25 14:27:06
问题 Scenario : I convert a pdf file to base64 and put it in an xml, and Problem : when I receive the xml I will have to convert this base64 data back to the original pdf file using SQL Server and store it somewhere. I found this link but could not figure out how to do it. This is what I have: DECLARE @SQLcommand VARCHAR(8000), @MyOriginalFile VARCHAR(8000), @RawData VARCHAR(8000) SET @RawData = 'JVBERi0x etc' SET @SQLcommand = 'bcp "SELECT @MyOriginalFile = @RawData" queryout "\\MY-SERVER

SQL server to convert base64 data into a file

由 Deadly 提交于 2020-01-25 14:26:29
问题 Scenario : I convert a pdf file to base64 and put it in an xml, and Problem : when I receive the xml I will have to convert this base64 data back to the original pdf file using SQL Server and store it somewhere. I found this link but could not figure out how to do it. This is what I have: DECLARE @SQLcommand VARCHAR(8000), @MyOriginalFile VARCHAR(8000), @RawData VARCHAR(8000) SET @RawData = 'JVBERi0x etc' SET @SQLcommand = 'bcp "SELECT @MyOriginalFile = @RawData" queryout "\\MY-SERVER

Can I use VBScript to base64 encode a gif?

由 孤人 提交于 2020-01-25 07:38:06
问题 What I'm trying to do is encode a gif file, to include in an XML document. This is what I have now, but it doesn't seem to work. Function gifToBase64(strGifFilename) On Error Resume Next Dim strBase64 Set inputStream = WScript.CreateObject("ADODB.Stream") inputStream.LoadFromFile strGifFilename strBase64 = inputStream.Text Set inputStream = Nothing gifToBase64 = strBase64 End Function 回答1: I recently wrote a post about this very subject for implementations in JScript and VBScript. Here is the

Bittrex websockets encoding method?

由 微笑、不失礼 提交于 2020-01-25 07:25:13
问题 It´s not a big deal to mimic the websocket connection made to bittrex from www, using chromes dev tools: GET https://socket.bittrex.com/signalr/negotiate?clientProtocol=1.5&connectionData=%5B%7B%22name%22%3A%22c2%22%7D%5D&_=1524596108843 This return a token "ConnectionToken":"gbLsm8C6Jck1mQTTFjmuIv5qgUuMZz/kXU1s+fAnjnW qUFQocNBfp3VOrd/y0acxWL5Fv7MZ54heRddLYZS+EMhLnaPPQiSZblvgJPCbLKqZTIkb" That needs to be used with: wss://socket.bittrex.com/signalr/connect? transport=webSockets&clientProtocol

Convert Image to Base64 string

由 杀马特。学长 韩版系。学妹 提交于 2020-01-25 01:29:06
问题 I am trying to convert an Image file to Base64 string in UWP with StorageFile Here's the method I have: public async Task<string> ToBase64String(StorageFile file) { var stream = await file.OpenAsync(FileAccessMode.Read); var decoder = await BitmapDecoder.CreateAsync(stream); var pixels = await decoder.GetPixelDataAsync(); var bytes = pixels.DetachPixelData(); return await ToBase64(bytes, (uint)decoder.PixelWidth, (uint)decoder.PixelHeight, decoder.DpiX, decoder.DpiY); } and ToBase64 goes like

Linux下base64编码

由 感情迁移 提交于 2020-01-25 01:26:53
1.编码 echo “HelloWorld” | base64 将字符串和换行编码为base64 输出 echo -n “HelloWorld” | base64 将字符串编码为base64输出 2.解码 echo “SGVsbG9Xb3JsZA==” | base64 -d 将字符串和换行解码输出 echo -n “SGVsbG9Xb3JsZA==” | base64 -d 将字符串解码输出 来源： CSDN 作者： Quincy379 链接： https://blog.csdn.net/qq_33733970/article/details/104037472
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