之前下载的图片可能是错的 (服务器忙), 现在重新下载!

node_modules/api.js

@@ -228,13 +228,21 @@ var Api = {
 	getImage: function(fileId, callback) {
 		var me = this;
 		var url = me.getUrl('file/getImage', {fileId: fileId});
-		log(url);
+
+		// console.log('getImage');
+		// console.log(url);
+
 		needle.get(url, function(err, resp) {
 			me.checkError(err, resp);
 			if(err) {
 				return callback && callback(false);
 			}
-			// log(resp.body);
+			else if (resp.statusCode != 200) {
+				console.log(fileId + ' 图片返回状态错误: ' + resp.statusCode);
+				return callback && callback(false);
+			}
+
+			// log(resp);
 			/*
 			{ 'accept-ranges': 'bytes',
 			  'content-disposition': 'inline; filename="logo.png"',
@@ -243,10 +251,14 @@ var Api = {
 			  date: 'Mon, 19 Jan 2015 15:01:47 GMT',
   			*/
 			// log(resp.headers);
-			if(err) {
-				callback(false);
-			} else {
-				var typeStr = resp.headers['content-type'];
+			else {
+				var typeStr = ('' + resp.headers['content-type']).toLowerCase();
+
+				if (typeStr.indexOf('image') < 0) {
+					console.log(fileId + ' 不是图片');
+					return callback && callback(false);
+				}
+
 				var type = 'png';
 				if(typeStr) {
 					var typeArr = typeStr.split('/');
@@ -258,13 +270,13 @@ var Api = {
 				var filename = Common.uuid() + '.' + type;
 				var imagePath = User.getCurUserImagesPath();
 				var imagePathAll = imagePath + '/' + filename;
-				log(imagePathAll);
 				fs.writeFile(imagePathAll, resp.body, function(err) {
 					if(err) {
 						log(err);
 						log('local save image failed 本地保存失败');
 						callback(false);
 					} else {
+						console.log('main save image success');
 						callback(imagePathAll, filename);
 					}
 				});