[英]How do you read a file or Stream synchronously in node.js?
請不要講述我應該如何異步地做所有事情。 有時我想以簡單明了的方式做事,所以我可以繼續其他工作。
由於某種原因,以下代碼不起作用。 它匹配我在最近的SO問題上找到的代碼。 節點改變或破壞了什么?
var fs = require('fs');
var rs = fs.createReadStream('myfilename'); // for example
// but I might also want to read from
// stdio, an HTTP request, etc...
var buffer = rs.read(); // simple for SCCCE example, normally you'd repeat in a loop...
console.log(buffer.toString());
讀取后,緩沖區為空。
我看到調試器中的rs
events
has end and open functions, nothing else
_readableState
buffer = Array[0]
emittedReadable = false
flowing = false <<< this appears to be correct
lots of other false/nulls/undefined
fd = null <<< suspicious???
readable = true
lots of other false/nulls/undefined
要同步讀取文件的內容,請使用fs.readFileSync
var fs = require('fs');
var content = fs.readFileSync('myfilename');
console.log(content);
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