第二步:使用base64将压缩后的字节变为base64字符串 (Convert.ToBase64String();) 此转换为.net平台里面自带的函数。 第三部:客户端在Javascript中利用zip.js将base64字符串解码为压缩字节 var bytes = Base64.decodeToBytes(base_ut8);///important 1. 上面代码将
Private FunctionDecodeBase64(ByValstrDataAs String)As Byte() DimobjXMLAsMSXML2.DOMDocument DimobjNodeAsMSXML2.IXMLDOMElement ' help from MSXML SetobjXML =NewMSXML2.DOMDocument SetobjNode = objXML.createElement("b64") objNode.dataType = "bin.base64" objNode.Text = strData DecodeBase64 = ...
Private FunctionDecodeBase64(ByValstrDataAs String)As Byte() DimobjXMLAsMSXML2.DOMDocument DimobjNodeAsMSXML2.IXMLDOMElement ' help from MSXML SetobjXML =NewMSXML2.DOMDocument SetobjNode = objXML.createElement("b64") objNode.dataType = "bin.base64" objNode.Text = strData DecodeBase64 = ...
[index++] = BASE64C[bits & 0x3f]; result[index] = 61; } return bytesToString(result); } function decode(params,ascii) { //将base64转换成byte数组再转换成字符串 if (params == null) return null; if (typeof params === "string") params = stringToBytes(params,ascii); //该方法只...
const arrayBufferToBase64 = (buffer) => { if (typeof TextDecoder !== 'undefined' && typeof btoa !== 'undefined') { return btoa(new TextDecoder().decode(new Uint8Array(buffer))); } else { return btoa(new Uint8Array(buffer).reduce((data, byte) => data + String.fromCharCode(byte)...
JavaScript 提供了一些 API 来处理文件或原始文件数据,例如:File、Blob、FileReader、ArrayBuffer、base64 等。下面就来看看它们都是如何使用的,它们之间又有何区别和联系! ArrayBuffer ArrayBuffer 对象用来表示通用的、固定长度的原始二进制数据缓冲区,是内存中一段固定长度的连续数据存储区的引用,你无法直接操作或修改它...
private char[] getChars(byte[] bytes) { Charset cs = Charset.forName("UTF-8"); ByteBuffer bb = ByteBuffer.allocate(bytes.length); bb.put(bytes).flip(); CharBuffer cb = cs.decode(bb); return cb.array(); } 1. 2. 3. 4.
Uncaught DOMException: Failed to execute ‘btoa’ on ‘Window’: The string to be encoded contains characters outside of the Latin1 range. 很明显,这种方式是不行的,那么如何让他支持汉字呢,这就要使用window.encodeURIComponent和window.decodeURIComponent ...
hostweburl = decodeURIComponent( getQueryStringParameter("SPHostUrl") ); // The js files are in a URL in the form: // web_url/_layouts/15/resource_file var scriptbase = hostweburl + "/_layouts/15/"; // Load the js files and continue to // the execOperation function. $.getScript...
<script> window.convertArray = (win1251Array) => { var win1251decoder = new TextDecoder('windows-1251'); var bytes = new Uint8Array(win1251Array); var decodedArray = win1251decoder.decode(bytes); return decodedArray; }; </script> 备注 有关JS 的常规指导和我们对常规应用的建议,...