1)从支付宝官网上下载sdk
https://doc.open.alipay.com/doc2/detail?treeId=54&articleId=103419&docType=1
alipay-sdk-java20151021120052.jar
2)制作本地安装包
alipay-sdk-java20151021120052.jar 放到D: 盘根目录下
执行命令:cmd 定位到D: 盘下
mvn install:install-file -DgroupId=com.alipay -DartifactId=sdk-Java -Dversion=20151021120052 -Dpackaging=jar -Dfile=alipay-sdk-java20151021120052.jar
出现上图所示,代表编译完成
[INFO] Installing D:\alipay-sdk-java20151021120052.jar to C:\Users\Computer\.m2\repository\com\alipay\sdk-java\20151021120052\sdk-java-20151021120052.jar
引入方法:pom.xml 加入
<dependency>
<groupId>com.alipay</groupId>
<artifactId>sdk-java</artifactId>
<version>20151021120052</version>
</dependency>
执行maven update 即可 更新到 工程下
### 直接引入本地lib
<dependency>
<groupId>com.swetake</groupId>
<artifactId>Qrcode</artifactId>
<version>Qrcode</version>
<scope>system</scope>
<systemPath>${project.basedir}/lib/QRCode.jar</systemPath>
</dependency>