nodejs的readline怎么支持字符串逐行读取

如题所述

用fs.createReadStream构造没问题
var readline = require('readline'),
fs = require('fs');
var rl = readline.createInterface({
input: fs.createReadStream(__filename),
output: process.stdout,
terminal: false
});
rl.on('line', function(line) {
console.log('> ' + line);
});
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