buffer正确的拼接方式

var chunks = [];

var size = 0;

res.on('data',function(chunk){

      chunks.push(chunk);

      size+= chunk.length;

});

res.on('end',function(){

      var buf = Buffer.concat(chunks,size);

      var str= iconv.decode(buf,'utf8'); //引入iconv-lite

      console.log(str);

});

转载于:https://www.cnblogs.com/SLchuck/p/4892842.html