nodejs fs读取静态json文件

let fs = require(‘fs‘),
stream = fs.createReadStream(‘./obd.json‘),
data = "";stream.on(‘data‘,function(params){ ???console.log(params); ???console.log(params.toString()); ???data += params;});stream.on(‘end‘,function(){ ???console.log(data); ???console.log(data.toString()); ???console.log(‘finished!!!!‘);});