function convertBase64ToImage(base64String, outputFileName) { const link = document.createElement('a'); link.href = base64String; link.download = outputFileName; link.click();}// 使用示例：const base64String = "这里替换为你的Base64编码的字符串"; // 替换为实际的Base64编码字符串cons...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** 将base64字符串转为图片 */+(UIImage*)stringToImage:(NSString*)str{NSData*imageData=[[NSData alloc]initWithBase64EncodedString:str options:NSDataBase64DecodingIgnoreUnknownCharacters];UIImage*photo=[UIImage imageWithData:imageData];returnphoto...
JavaScript – Convert Image to Base64 String From: https://bytenota.com/javascript-convert-image-to-base64-string/ his post shows you two approaches how to convert an image to a Base64 string using JavaScript: HTML5 Canvas and FileReader. 1. Approach 1: HTML5 Canvas example.js function ...
//把base64压缩后处理为base64functioncompressBase64Image(base64Data, maxWidth, maxHeight, callback) {varimg =newImage(); img.onload=function() {varoriginWidth =this.width;varoriginHeight =this.height;vartargetWidth =originWidth;vartargetHeight =originHeight;if(originWidth > maxWidth || originH...
将base64字符串发送到服务器:在JavaScript中,使用XMLHttpRequest或fetch等方法将base64编码的字符串发送到服务器。 function sendBase64ToServer(base64String) { const formData = new FormData(); formData.append("image", base64String); fetch("/upload", { ...
where images are to be saved. * @param id * : id of spcefic image file. * @return...
C# imgage图片转base64字符/base64字符串转图片另存成 //图片转为base64编码的字符串 protected string ImgToBase64String(string Imagefilename) { try { Bitmap bmp = new Bitmap(Imagefilename); MemoryStream ms = new MemoryStream(); bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jp ...
这段代码主要包含一个名为ToStream的Java类,Java类ToStream包含转换方法,通过传递图片路径获取其编码,演示代码中包含注释与异常处理以提高健壮性。其中包含了将图片转换为编码的关键方法。你可以将本地磁盘中的图片路径作为参数传递给ImageTo方法,从而获取到该图片的编码。
his post shows you two approaches how to convert an image to a Base64 string using JavaScript: HTML5 Canvas and FileReader. 1. Approach 1: HTML5 Canvas example.js function toDataURL(src, callback) { ...
方法一: canvas,该方法就是通过javascript中的canvas属性将图片转成base64,主要用到了canvas中的toDataUrl方法,该方法可以将canvas转成base64,所以关键点就是先获取图片的宽高,再将图片放入canvas中,再使用toDataUrl就可以转成base64了。如果在本地引用网络图片可能会出现报错:Failed to execute 'toDataURL' on 'HTML...