const fs = require('fs'); try { const data = fs.readFileSync('path/to/file'); if (typeof data === 'string') { console.log(data); // 输出完整的字符串内容 } else if (Buffer.isBuffer(data)) { console.log(data.toString()); // 将二进制内容转换为字符串并输出 } } ...
一. readFile()方法-->异步读取文件 1. 用法:错误优先机制,回调函数的第一个参数为错误信息 2. 其中data获得的是文件内容的buffer(二进制)数据,想获得原字符串内容就要加toString()方法 正确异步读取 出错情况下 二.readFileSync()方法 1. readFile()是异步的方法 输出顺序为1,2,txt的data内容;说明程序执...
Example of JavaScript Code: Converting ReadFileSync to String in JavaScript You can also use synchronous version of this function filedata = readFileSync, return client.post( 'media/upload', {media: data}, function(error, media, response, (rawLength)); for (var i = 0; i < rawLength;...
File,FileSystemManager,FileSystemManager.readFileSync,string|ArrayBuffer FileSystemManager.readFileSync(string filePath, string encoding),Parameters,string filePath,string encoding,Return Values,string|ArrayBuffer data,Errors
Version: '7.0.0', Platform: Windows 7 x64 Subsystem: fs, buffer If I try to read a big file (582,170,692 bytes, ~ 555 MB) into a buffer, it is OK. If I add an encoding and try to get a string, I get an error. > require('fs').readFileSync...
注意: fs 是一个nodejs模块,你不能在浏览器中使用它。 导入fs 模块, readFileSync 将为您提供缓冲区 要使用 split() 函数,您必须将 Buffer 转换为 String var fs = require('fs') var text = fs.readFileSync("./men.text"); var string = text.toString('utf-8') // converting the Buffer into...
When I read an UTF-8 BOM file, with fs.readFileSync, it return a string with a "blank" as first character, probably where it remove BOM bytes. Then I pass the string to a JSON.parse() that fails due to that blank char. A simple workaround is to trim resulting string, but is ...
但其实只要你关注数据流向你可以看到你输入的string会流入readFileSync函数,他并没有任何关于解码的操作他只会进行比对然后空白大哥就提醒我会不会是原型链污染,但实际上你看到没有任何关于对象的操作 merge之类的 你的可控点只有req.query.file 你只能污染你自己对象的属性 所以应该也没什么用 ...
constreadCacheFile = (cachePath: Config.Path): string |null=>{if(!fs.existsSync(cachePath)) {returnnull; }letfileData;try{ fileData = fs.readFileSync(cachePath,'utf8'); }catch(e) { e.message ='jest: failed to read cache file: '+ ...
options- optional - the encoding format of the file content to read with (stringorobjecttype) You can also use anobjectfor theoptionsparameter to pass both the encoding and theoperation flagas follows: fs.readFileSync("./data.txt","utf8");// orfs.readFileSync("./data.txt",{encoding:...