修正其他用户 git clone 后, 没有 ossUsername 等变量导致不能正常加载 gradle 构建脚本的问题

build.gradle

@@ -64,6 +64,13 @@ uploadArchives {
                 signing.signPom(deployment)
             }
 
+            if (!hasProperty('ossUsername')) {
+                ext.ossUsername = ''
+            }
+            if (!hasProperty('ossPassword')) {
+                ext.ossPassword = ''
+            }
+
             repository(url: 'https://oss.sonatype.org/service/local/staging/deploy/maven2/') {
                 authentication(userName: ossUsername, password: ossPassword)
             }