> buffer=new Buffer('我爱你，物理'); <Buffer e6 88 91 e7 88 b1 e4 bd a0 ef bc 8c e7 89 a9 e7 90 86> > json=JSON.stringify(buffer); '{"type":"Buffer","data":[230,136,145,231,136,177,228,189,160,239,188,140,231,13 7,169,231,144,134]}' > JSON.parse(json); { type: 'Buffer', data: [ 230, 136, 145, 231, 136, 177, 228, 189, 160, 239, 188, 140, 231, 137, 169, 231, 144, 134 ] } > copy=new Buffer(JSON.parse(json)); <Buffer e6 88 91 e7 88 b1 e4 bd a0 ef bc 8c e7 89 a9 e7 90 86> > copy.toString(); '我爱你，物理' >