Merge pull request #105 from livehigh/feat/env-warning

feat：新增sdk运行环境错误提示

Author: carsonxu

sdk/advance.js

@@ -1041,7 +1041,7 @@ function sliceCopyFile(params, callback) {
 
         FileSize = params.FileSize = data.headers['content-length'];
         if (FileSize === undefined || !FileSize) {
-            callback(util.error(new Error('get Content-Length error, please add "Content-Length" to CORS ExposeHeader setting.')));
+            callback(util.error(new Error('get Content-Length error, please add "Content-Length" to CORS ExposeHeader setting.（ 获取Content-Length失败，请在CORS ExposeHeader设置中添加Content-Length，请参考文档：https://cloud.tencent.com/document/product/436/13318 ）')));
             return;
         }
 
@@ -1148,7 +1148,7 @@ function downloadFile(params, callback) {
             // 获取文件大小
             FileSize = params.FileSize = parseInt(data.headers['content-length']);
             if (FileSize === undefined || !FileSize) {
-                callback(util.error(new Error('get Content-Length error, please add "Content-Length" to CORS ExposeHeader setting.')));
+                callback(util.error(new Error('get Content-Length error, please add "Content-Length" to CORS ExposeHeader setting.（ 获取Content-Length失败，请在CORS ExposeHeader设置中添加Content-Length，请参考文档：https://cloud.tencent.com/document/product/436/13318 ）')));
                 return;
             }
 

sdk/cos.js

@@ -59,6 +59,10 @@ var COS = function (options) {
     if (this.options.AppId) {
         console.warn('warning: AppId has been deprecated, Please put it at the end of parameter Bucket(E.g: "test-1250000000").');
     }
+    if (util.isWeb()) {
+      console.warn('warning: cos-nodejs-sdk-v5 不支持浏览器使用，请改用 cos-js-sdk-v5，参考文档： https://cloud.tencent.com/document/product/436/11459');
+      console.warn('warning: cos-nodejs-sdk-v5 does not support browsers. Please use cos-js-sdk-v5 instead, See: https://cloud.tencent.com/document/product/436/11459');
+    }
     event.init(this);
     task.init(this);
 };

sdk/util.js

@@ -625,6 +625,10 @@ var error = function (err, opt) {
     return err;
 }
 
+var isWeb = function () {
+  return typeof window === 'object';
+}
+
 var util = {
     noop: noop,
     formatParams: formatParams,
@@ -657,6 +661,7 @@ var util = {
     getV4Auth: getV4Auth,
     isBrowser: false,
     obj2str: obj2str,
+    isWeb: isWeb,
 };
 
 module.exports = util;