在JavaScript中遇到“base64 is not defined”的错误,通常意味着你的代码试图调用一个未定义的base64函数或变量。这个问题可能由几个原因引起,下面我将逐一解释并提供解决方案: 确认用户环境是否支持Base64: 现代浏览器和Node.js环境都原生支持Base64编码和解码。但是,如果你在一个不支持这些原生功能的环境中运行代码...
JSONC.js:275 return Base64.encode(String.fromCharCode.apply(String, gzip.zip(str,{level:9})));
直接上代码： var img = "imgurl";//imgurl 就是你的图片路径 function getBase64Image(img) ...
ps 一个用于生成MyBatis配置文件的插件 mybatis-generator 使用方法呢, 是加入maven插件中 然后执行相关命令可以实现自动生成MyBatis配置文件 自动映射 首先编写无参的javabean package com.ming.MyBatis.POJO; /** * @author ming */ public class Role { private int id; private String roleName...
// 图片地址 转为 blob 、base64格式 imgUrl类型为字符串string function base64ByURL (imgUrl) { // 两大重点 Promise XMLHttpRequest return new Promise(resolve => { var xhr = new XMLHttpRequest(); xhr.open("get", imgUrl, true); xhr.responseType = "blob"; xhr.onload = function () {...
Cloudflare workerd, a JavaScript/Wasm Runtime, haskell/text, a library for fast operations over Unicode text, klogg, a Really fast log explorer, Pixie, observability tool for Kubernetes applications. How fast is it? The adoption of the simdutf library by the popular Node.js JavaScript runtime...
Node.js 'being' JavaScript, has a more logical approach to encoding strings, instead of having thousands of inconsistently defined global functions. Here is how you encode normal text to base64 in Node.js: varb=newBuffer('JavaScript'); ...
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```javascript Base64.isValid(0); // false: 0 is not string Base64.isValid(''); // true: a valid Base64-encoded empty byte Base64.isValid('ZA=='); // true: a valid Base64-encoded 'd' Base64.isValid('Z A='); // true: whitespaces are okay Base64.isValid('ZA'); //...