修改最大分片大小

Author: carsonxu

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cos-js-sdk-v5",
-  "version": "0.4.23",
+  "version": "0.4.24",
   "description": "cos js sdk v5",
   "main": "index.js",
   "scripts": {

src/advance.js

@@ -4,18 +4,18 @@ var util = require('./util');
 
 // 文件分块上传全过程，暴露的分块上传接口
 function sliceUploadFile(params, callback) {
+    var self = this;
     var ep = new EventProxy();
     var TaskId = params.TaskId;
     var Bucket = params.Bucket;
     var Region = params.Region;
     var Key = params.Key;
     var Body = params.Body;
-    var ChunkSize = params.ChunkSize || params.SliceSize || this.options.ChunkSize;
+    var ChunkSize = params.ChunkSize || params.SliceSize || self.options.ChunkSize;
     var AsyncLimit = params.AsyncLimit;
     var StorageClass = params.StorageClass || 'Standard';
     var ServerSideEncryption = params.ServerSideEncryption;
     var FileSize;
-    var self = this;
 
     var onProgress;
     var onHashProgress = params.onHashProgress;
@@ -134,7 +134,7 @@ function sliceUploadFile(params, callback) {
         var AutoChunkSize = 1024 * 1024;
         for (var i = 0; i < SIZE.length; i++) {
             AutoChunkSize = SIZE[i] * 1024 * 1024;
-            if (FileSize / AutoChunkSize <= 1024) break;
+            if (FileSize / AutoChunkSize <= self.options.MaxPartNumber) break;
         }
         params.ChunkSize = params.SliceSize = ChunkSize = Math.max(ChunkSize, AutoChunkSize);
     })();
@@ -1033,7 +1033,7 @@ function sliceCopyFile(params, callback) {
             var AutoChunkSize = 1024 * 1024;
             for (var i = 0; i < SIZE.length; i++) {
                 AutoChunkSize = SIZE[i] * 1024 * 1024;
-                if (FileSize / AutoChunkSize <= 1024) break;
+                if (FileSize / AutoChunkSize <= self.options.MaxPartNumber) break;
             }
             params.ChunkSize = ChunkSize = Math.max(ChunkSize, AutoChunkSize);
 

src/cos.js

@@ -14,10 +14,12 @@ var defaultOptions = {
     ChunkParallelLimit: 3,
     ChunkRetryTimes: 3,
     ChunkSize: 1024 * 1024,
+    ChunkMaxCount: 10000,
     SliceSize: 1024 * 1024,
     CopyChunkParallelLimit: 20,
     CopyChunkSize: 1024 * 1024 * 10,
     CopySliceSize: 1024 * 1024 * 10,
+    MaxPartNumber: 10000,
     ProgressInterval: 1000,
     UploadQueueSize: 10000,
     Domain: '',
@@ -41,6 +43,7 @@ var COS = function (options) {
     this.options.CopyChunkParallelLimit = Math.max(1, this.options.CopyChunkParallelLimit);
     this.options.CopyChunkSize = Math.max(1024 * 1024, this.options.CopyChunkSize);
     this.options.CopySliceSize = Math.max(0, this.options.CopySliceSize);
+    this.options.MaxPartNumber = Math.max(1024, Math.min(10000, this.options.MaxPartNumber));
     if (this.options.AppId) {
         console.warn('warning: AppId has been deprecated, Please put it at the end of parameter Bucket(E.g: "test-1250000000").');
     }
@@ -52,6 +55,6 @@ base.init(COS, task);
 advance.init(COS, task);
 
 COS.getAuthorization = util.getAuth;
-COS.version = '0.4.23';
+COS.version = '0.4.24';
 
 module.exports = COS;