mili_admin/src/main/java/com/ygj/yuemum/controller/pay/CreatePayQrCodeController.java

package com.ygj.yuemum.controller.pay;


import com.ygj.yuemum.component.Constant;
import com.ygj.yuemum.domain.order.YSOrder;
import com.ygj.yuemum.domain.pay.CustomerPay;
import com.ygj.yuemum.domain.pay.PayMents;
import com.ygj.yuemum.service.order.YSOrderService;
import com.ygj.yuemum.service.pay.CustomerPayService;
import io.swagger.annotations.Api;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import sun.misc.BASE64Encoder;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.util.HashMap;
import java.util.Map;

@Api(tags = "支付订单相关接口")
@RestController
public class CreatePayQrCodeController {
    public static final String RESUMEFILE = Constant.RESUMEFILE;
    @Autowired
    private CustomerPayService customerPayService;
    @Autowired
    private YSOrderService ysOrderService;

    @RequestMapping(value = "/createPayQrCode", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")
    @ResponseBody
    public String createPayQrCode(@RequestBody Map<String,String> params) throws Exception {
        String orderNo = params.get("orderNo");
        String channel= params.get("channel");
        float price= Float.parseFloat(params.get("price"));
        float originPrice= Float.parseFloat(params.get("originPrice"));
        String title= params.get("title");
        String productName= params.get("productName");
        Integer productId= Integer.parseInt(params.get("productId"));
        String payment_steps = params.get("payment_steps");
        String out_trade_no = orderNo + "SEQ" + payment_steps;
        //check 本流水号是否已经付过款
        CustomerPay customerPay = customerPayService.checkTrade(out_trade_no);
        if (customerPay != null) {
            //check 订单是否已经支付完成
            YSOrder ysOrder =  ysOrderService.selectByOdNo(orderNo);
            if (ysOrder.getOd_order_pay_amount() == 0) {
                return "all";
            } else {
                out_trade_no = orderNo + "SEQ" + (Integer.parseInt(params.get("payment_steps")) + 1);
            }
        }
        BufferedImage bufferedImage =  customerPayService.createPayQrCode(out_trade_no,channel,price,originPrice,title,productName,productId);
        //保存一下
//        ByteArrayOutputStream os = new ByteArrayOutputStream();
//        ImageIO.write(bufferedImage, "jpg", os);
//        FileUtils.writeByteArrayToFile(new File(RESUMEFILE+"666.jpg"), os.toByteArray());
//        os.close();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "png", baos);
        byte[] bytes = baos.toByteArray();//转换成字节
        BASE64Encoder encoder = new BASE64Encoder();
        String png_base64 = encoder.encodeBuffer(bytes).trim();//转换成base64串
        png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");
        System.out.println(png_base64);
        Map<String, Object> tableData = new HashMap<>();
        tableData.put("img",png_base64);
        return png_base64;
    }
}