gradle 上传jar到maven

请执行命令： gradle uploadArchives

build.gradle

apply plugin: 'idea'apply plugin: 'java'apply plugin: 'maven'group = 'com.xxx.xx'version = '0.1.1-SNAPSHOT'repositories {    mavenCentral();}dependencies {    compile(            'junit:junit:4.11',    )}uploadArchives {    repositories {        mavenDeployer {//userName  和 password 为maven的用户名和密码            repository(url: "http://172.30.10.160:8081/nexus/content/repositories/snapshots/") {                authentication(userName: "deploy", password: "deploy123")            }            pom.project {                name=project.name                packaging='jar'                description='a test'            }        }    }}artifacts {    archives jar}