文件下载回调bug修复；

文件下载名称默认为网络名称

README.md

@@ -49,23 +49,23 @@
 <dependency>
   <groupId>com.zhousf.lib</groupId>
   <artifactId>okhttp3</artifactId>
-  <version>2.9.1</version>
+  <version>2.9.1.1</version>
   <type>pom</type>
 </dependency>
 ```
 ### Gradle
 ```
-compile 'com.zhousf.lib:okhttp3:2.9.1'
+compile 'com.zhousf.lib:okhttp3:2.9.1.1'
 ```
 若项目已包含support-annotations或出现support-annotations版本冲突请采用下面方式进行依赖：
 ```
-compile ('com.zhousf.lib:okhttp3:2.9.1'){
+compile ('com.zhousf.lib:okhttp3:2.9.1.1'){
     exclude(module: 'support-annotations')
 }
 ```
 若项目已包含Gson或出现Gson版本冲突请采用下面方式进行依赖：
 ```
-compile ('com.zhousf.lib:okhttp3:2.9.1'){
+compile ('com.zhousf.lib:okhttp3:2.9.1.1'){
     exclude(module:'gson')
 }
 ```

app/build.gradle

@@ -30,7 +30,7 @@ android {
 
 dependencies {
 //    compile project(':okhttp3')
-    compile ('com.zhousf.lib:okhttp3:2.9.1'){
+    compile ('com.zhousf.lib:okhttp3:2.9.1.1'){
         exclude(module:'gson')
     }
     compile fileTree(include: ['*.jar'], dir: 'libs')

okhttp3/build.gradle

@@ -10,7 +10,7 @@ android {
         targetSdkVersion rootProject.sdkVersion
         minSdkVersion rootProject.minSdkVersion
         versionCode 1
-        versionName "2.9.1"
+        versionName "2.9.1.1"
     }
 
     buildTypes {
@@ -31,6 +31,7 @@ dependencies {
     compile 'com.android.support:support-annotations:23.+'
     compile 'com.squareup.okhttp3:okhttp:3.8.1'
     compile 'com.google.code.gson:gson:2.8.1'
+    testCompile 'junit:junit:4.12'
 }
 
 //apply from: "bintrayUpload.gradle"

okhttp3/src/main/java/com/okhttplib/helper/DownUpLoadHelper.java

@@ -240,14 +240,18 @@ private long fetchCompletedSize(DownloadFileInfo fileInfo){
         String saveFileName = fileInfo.getSaveFileName();
         String url = fileInfo.getUrl();
         String extension = url.substring(url.lastIndexOf(".") + 1);//扩展名
+        String originalFileName = "";
         if(TextUtils.isEmpty(saveFileName)){
             if(url.contains("/") && !url.endsWith("/")){
                 //文件原名称
-                saveFileName = url.substring(url.lastIndexOf("/")+1);
+                originalFileName = url.substring(url.lastIndexOf("/")+1);
+                originalFileName += "."+extension;
             }
         }
-        //文件原名称为空则采用自定义名称
+        //自定义名称为空时采用文件原名称
         if(TextUtils.isEmpty(saveFileName)){
+            saveFileName = originalFileName;
+        }else{
             saveFileName += "."+extension;
         }
         String saveFileNameCopy = saveFileName+"["+timeStamp+"]"+"."+extension;