alipayclient alipayclientsanfang = new defaultalipayclient("https://openapi.alipay.com/gateway.do", "三方应用appid", "三方应用应用私钥", "json", "gbk", "三方应用支付宝公钥", "rsa2", "三方应用aes密钥", "aes");alipayopenauthappaessetrequest request = new alipayopenauthappaessetrequest();
request.setbizcontent("{"
"\"merchant_app_id\":\"商家小程序appid\""
" }");alipayopenauthappaessetresponse response = null;try {
response = alipayclientsanfang.execute(request);
if (response.issuccess()) {
system.out.println("调用成功");
system.out.println(response.getaeskey());//设置商家/小程序模板应用aes成功并返回aeskey
} else {
system.out.println("调用失败");
}} catch (alipayapiexception e) {
e.printstacktrace();}