function getMime(extname) {?? ?var mimeText;?? ?fs.readFile("./static/mime.json", function(err, data) {?? ??? ?if(err) {?? ??? ??? ?console.log("No Files");?? ??? ?}?? ??? ?var mime = JSON.parse(data);?? ??? ?for(var i in mime) {?? ??? ??? ?if(i == extname) {?? ??? ??? ??? ?mimeText = mime[i];?? ??? ??? ?}?? ??? ?}?? ??? ?console.log("get " + mimeText);?? ??? ?return mimeText;?? ?});}
Node怎么把這個(gè)相等的返回來(lái)?為什么會(huì)Undefined?
SuperManSuperWorld
2017-02-21 16:22:32