微信移动支付实例

【实例截图】

【核心代码】

package net.sourceforge.simcpux;


import org.json.JSONObject;
import com.tencent.mm.sdk.constants.Build;
import com.tencent.mm.sdk.modelpay.PayReq;
import com.tencent.mm.sdk.openapi.IWXAPI;
import com.tencent.mm.sdk.openapi.WXAPIFactory;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class PayActivity extends Activity {

private IWXAPI api;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.pay);

api = WXAPIFactory.createWXAPI(this, "wxb4ba3c02aa476ea1");

Button appayBtn = (Button) findViewById(R.id.appay_btn);
appayBtn.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
String url = "http://wxpay.weixin.qq.com/pub_v2/app/app_pay.php?plat=android";
Button payBtn = (Button) findViewById(R.id.appay_btn);
payBtn.setEnabled(false);
Toast.makeText(PayActivity.this, "获取订单中...", Toast.LENGTH_SHORT).show();
       try{
byte[] buf = Util.httpGet(url);
if (buf != null && buf.length > 0) {
String content = new String(buf);
Log.e("get server pay params:",content);
        JSONObject json = new JSONObject(content); 
if(null != json && !json.has("retcode") ){
PayReq req = new PayReq();
//req.appId = "wxf8b4f85f3a794e77";  // 测试用appId
req.appId = json.getString("appid");
req.partnerId = json.getString("partnerid");
req.prepayId = json.getString("prepayid");
req.nonceStr = json.getString("noncestr");
req.timeStamp = json.getString("timestamp");
req.packageValue = json.getString("package");
req.sign = json.getString("sign");
req.extData = "app data"; // optional
Toast.makeText(PayActivity.this, "正常调起支付", Toast.LENGTH_SHORT).show();
// 在支付之前，如果应用没有注册到微信，应该先调用IWXMsg.registerApp将应用注册到微信
api.sendReq(req);
}else{
        Log.d("PAY_GET", "返回错误" json.getString("retmsg"));
        Toast.makeText(PayActivity.this, "返回错误" json.getString("retmsg"), Toast.LENGTH_SHORT).show();
}
}else{
        Log.d("PAY_GET", "服务器请求错误");
        Toast.makeText(PayActivity.this, "服务器请求错误", Toast.LENGTH_SHORT).show();
       }
       }catch(Exception e){
        Log.e("PAY_GET", "异常：" e.getMessage());
        Toast.makeText(PayActivity.this, "异常：" e.getMessage(), Toast.LENGTH_SHORT).show();
       }
       payBtn.setEnabled(true);
}
});
Button checkPayBtn = (Button) findViewById(R.id.check_pay_btn);
checkPayBtn.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
boolean isPaySupported = api.getWXAppSupportAPI() >= Build.PAY_SUPPORTED_SDK_INT;
Toast.makeText(PayActivity.this, String.valueOf(isPaySupported), Toast.LENGTH_SHORT).show();
}
});
}

}