From e72e04ae5b82252fe0a848d3d1bf9496df6bbabc Mon Sep 17 00:00:00 2001
From: Hentua <wangdoubleone@gmail.com>
Date: Thu, 24 Aug 2023 15:53:08 +0800
Subject: [PATCH] fix
---
src/test/java/cc/mrbird/febs/ProfitTest.java | 497 ++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 383 insertions(+), 114 deletions(-)
diff --git a/src/test/java/cc/mrbird/febs/ProfitTest.java b/src/test/java/cc/mrbird/febs/ProfitTest.java
index 6071375..fa3a8ef 100644
--- a/src/test/java/cc/mrbird/febs/ProfitTest.java
+++ b/src/test/java/cc/mrbird/febs/ProfitTest.java
@@ -5,17 +5,17 @@
import cc.mrbird.febs.common.enumerates.FlowTypeEnum;
import cc.mrbird.febs.common.enumerates.MoneyFlowTypeEnum;
import cc.mrbird.febs.common.enumerates.OrderStatusEnum;
-import cc.mrbird.febs.common.properties.XcxProperties;
-import cc.mrbird.febs.common.utils.LoginUserUtil;
+import cc.mrbird.febs.common.exception.FebsException;
+import cc.mrbird.febs.common.utils.HttpCurlUtil;
import cc.mrbird.febs.common.utils.MallUtils;
import cc.mrbird.febs.common.utils.RedisUtils;
-import cc.mrbird.febs.common.utils.SpringContextHolder;
-import cc.mrbird.febs.mall.dto.ApiLeaderOrderConfirmDto;
+import cc.mrbird.febs.mall.dto.AdminLeaderAddFenceDto;
import cc.mrbird.febs.mall.dto.ApiLeaderRefundOrderDto;
+import cc.mrbird.febs.mall.dto.ApiRechargeWalletDto;
import cc.mrbird.febs.mall.entity.*;
import cc.mrbird.febs.mall.mapper.*;
import cc.mrbird.febs.mall.service.*;
-import cc.mrbird.febs.mall.vo.ApiLeaderProfitVo;
+import cc.mrbird.febs.pay.model.BrandWCPayRequestData;
import cc.mrbird.febs.pay.model.WxGenerateQrCodeDto;
import cc.mrbird.febs.pay.service.IXcxPayService;
import cc.mrbird.febs.pay.util.WechatConfigure;
@@ -23,37 +23,34 @@
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
-import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.ObjectUtil;
-import cn.hutool.core.util.StrUtil;
+import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
-import lombok.RequiredArgsConstructor;
import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.client.HttpClients;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import javax.annotation.Resource;
import java.io.*;
import java.math.BigDecimal;
-import java.net.HttpURLConnection;
+import java.net.URLConnection;
+import java.nio.charset.Charset;
import java.util.*;
-import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.PrintWriter;
-import java.net.HttpURLConnection;
import java.net.URL;
-import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
@@ -206,15 +203,111 @@
}
@Autowired
private IXcxPayService iXcxPayService;
+ @Autowired
+ private MallGoodsMapper mallGoodsMapper;
+ @Autowired
+ private IAdminMallTeamLeaderService iAdminMallTeamLeaderService;
@Test
public void qrcodeBase64(){
- WxGenerateQrCodeDto wxGenerateQrCodeDto = new WxGenerateQrCodeDto();
- wxGenerateQrCodeDto.setPage("pages/index/index");
- wxGenerateQrCodeDto.setScene("15");
- FebsResponse febsResponse = iXcxPayService.generateQrCode(wxGenerateQrCodeDto);
- String data = febsResponse.get("data").toString();
- System.out.println(data);
+
+// Integer integer = mallGoodsMapper.upDateStockAndVolumeByGoodsId(35L, 3);
+// System.out.println(integer);
+// WxGenerateQrCodeDto wxGenerateQrCodeDto = new WxGenerateQrCodeDto();
+// wxGenerateQrCodeDto.setPage("pages/product/details");
+// wxGenerateQrCodeDto.setScene("35");
+// FebsResponse febsResponse = iXcxPayService.generateQrCode(wxGenerateQrCodeDto);
+// String data = febsResponse.get("data").toString();
+// System.out.println(data);
+// trackServiceInfo("e024c63342930addc57189c8608cdb01",null);
+// String e024c63342930addc57189c8608cdb01 = trackServiceDel("e024c63342930addc57189c8608cdb01", "792477");
+// System.out.println(e024c63342930addc57189c8608cdb01);
+ String ss = fenceDel("95ede7157929f5f6b6c758971be924b1", "795278","795554");
+ System.out.println(ss);
+ }
+
+ //电子围栏删除
+ public String fenceDel(String gaodeKey, String sid,String fenceId) {
+ String url = "https://tsapi.amap.com/v1/track/geofence/delete?key="+gaodeKey+"&sid="+sid+"&gfids="+fenceId;
+ HttpPost httpPost = new HttpPost(url);
+ Map<String,String> map = new HashMap<>();
+ map.put("key",gaodeKey);
+ map.put("sid",sid);
+ map.put("gfids",fenceId);
+ String param= JSON.toJSONString(map);
+ String result = null;
+ try {
+ result = HttpCurlUtil.sendPostHttp(url, param);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ cn.hutool.json.JSONObject maps = JSONUtil.parseObj(result);
+ System.out.println(maps);
+ String errcode = maps.get("errcode").toString();
+ if(!"10000".equals(errcode)){
+ return "fail";
+ }else{
+ return maps.toString();
+ }
+ }
+ //服务删除
+ public String trackServiceDel(String gaodeKey, String sid) {
+ String url = "https://tsapi.amap.com/v1/track/service/delete?key="+gaodeKey+"&sid="+sid;
+ HttpPost httpPost = new HttpPost(url);
+ Map<String,String> map = new HashMap<>();
+ map.put("key",gaodeKey);
+ map.put("sid",sid);
+ String param= JSON.toJSONString(map);
+ String result = null;
+ try {
+ result = HttpCurlUtil.sendPostHttp(url, param);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ cn.hutool.json.JSONObject maps = JSONUtil.parseObj(result);
+ System.out.println(maps);
+ String errcode = maps.get("errcode").toString();
+ if(!"10000".equals(errcode)){
+ return "fail";
+ }else{
+ return maps.toString();
+ }
+// String str2 = maps.get("data").toString();
+// cn.hutool.json.JSONObject maps2 = JSONUtil.parseObj(str2);
+// String serviceId = maps2.get("sid").toString();
+// if(null!=serviceId&&!"".equals(serviceId)){
+// return serviceId;
+// }else{
+// return "fail";
+// }
+ }
+
+
+ public String trackServiceInfo(String gaodeKey, String serviceName) {
+ String url = "https://tsapi.amap.com/v1/track/service/list";
+ HttpPost httpPost = new HttpPost(url);
+ Map<String,String> map = new HashMap<>();
+ //高德Key
+ //用户在高德地图官网申请Web服务API类型Key
+ map.put("key",gaodeKey);
+ System.out.println("==高德返回"+map);
+ String result = null;
+ try {
+ result = HttpCurlUtil.sendGetHttp(url, map);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ System.out.println("==高德返回"+result);
+ cn.hutool.json.JSONObject maps = JSONUtil.parseObj(result);
+ String errCode = maps.get("errcode").toString();
+ if("10000".equals(errCode)){
+ String dataStr = maps.get("data").toString();
+ cn.hutool.json.JSONObject dataResults = JSONUtil.parseObj(dataStr);
+ String resultsStr = dataResults.get("results").toString();
+ return resultsStr;
+ }else{
+ return "fail";
+ }
}
@@ -321,119 +414,295 @@
@Test
public void qrcode(){
- MallMember member = mallMemberMapper.selectById(58L);
- Long id = 320L;
+ MallMember member = mallMemberMapper.selectById(402L);
+
+// ApiRechargeWalletDto apiRechargeWalletDto = new ApiRechargeWalletDto();
+// apiRechargeWalletDto.setAmount(new BigDecimal(1));
+// apiRechargeWalletDto.setMemberId(402L);
+// BrandWCPayRequestData brandWCPayRequestData = null;
+// try {
+// brandWCPayRequestData = iXcxPayService.startRechargeWallet(apiRechargeWalletDto);
+// } catch (Exception e) {
+// throw new FebsException("支付失败");
+// }
+// String wxResultStr = JSONUtil.toJsonStr(brandWCPayRequestData);
+// String payResultStr = brandWCPayRequestData.getPrepay_id();
+// Map<String, Object> map = new HashMap<>();
+// map.put("orderInfo", payResultStr);
+// map.put("wxResultStr", wxResultStr);
+
+ Long id = 345417L;
MallOrderInfo mallOrderInfo = mallOrderInfoMapper.selectById(id);
- if(ObjectUtil.isEmpty(mallOrderInfo)){
+ BrandWCPayRequestData brandWCPayRequestData = null;
+ try {
+ brandWCPayRequestData = iXcxPayService.startPayment(mallOrderInfo);
+ } catch (Exception e) {
+ throw new FebsException("支付失败");
}
- Integer status = mallOrderInfo.getStatus();
- if(OrderStatusEnum.WAIT_SHIPPING.getValue() != status){
- }
- Integer deliveryState = mallOrderInfo.getDeliveryState();
- if(1 != deliveryState){
- }
- //根据子订单生成退款记录
- List<MallOrderItem> mallOrderItemList = mallOrderItemMapper.selectListByOrderId(id);
- if(CollUtil.isEmpty(mallOrderItemList)){
- }
- for(MallOrderItem mallOrderItem : mallOrderItemList){
- QueryWrapper<MallRefundEntity> objectQueryWrapper = new QueryWrapper<>();
- objectQueryWrapper.eq("member_id",member.getId());
- objectQueryWrapper.eq("order_id",mallOrderInfo.getId());
- objectQueryWrapper.eq("item_id",mallOrderItem.getId());
- MallRefundEntity mallRefund = mallRefundMapper.selectOne(objectQueryWrapper);
- MallRefundEntity mallRefundEntity = new MallRefundEntity();
- if(ObjectUtil.isEmpty(mallRefund)){
- mallRefundEntity.setRefundNo(mallOrderInfo.getOrderNo()+"_RITEM"+mallOrderItem.getId());
- mallRefundEntity.setMemberId(member.getId());
- mallRefundEntity.setOrderId(mallOrderInfo.getId());
- mallRefundEntity.setItemId(mallOrderItem.getId());
- if("余额支付".equals(mallOrderInfo.getPayMethod())){
- mallRefundEntity.setType(3);
- }else if("微信支付".equals(mallOrderInfo.getPayMethod())){
- mallRefundEntity.setType(1);
- }else{
- mallRefundEntity.setType(3);
+ String s = JSONUtil.toJsonStr(brandWCPayRequestData);
+ String prepay_id = brandWCPayRequestData.getPrepay_id();
+
+
+// if(ObjectUtil.isEmpty(mallOrderInfo)){
+// }
+// Integer status = mallOrderInfo.getStatus();
+// if(OrderStatusEnum.WAIT_SHIPPING.getValue() != status){
+// }
+// Integer deliveryState = mallOrderInfo.getDeliveryState();
+// if(1 != deliveryState){
+// }
+// //根据子订单生成退款记录
+// List<MallOrderItem> mallOrderItemList = mallOrderItemMapper.selectListByOrderId(id);
+// if(CollUtil.isEmpty(mallOrderItemList)){
+// }
+// for(MallOrderItem mallOrderItem : mallOrderItemList){
+// QueryWrapper<MallRefundEntity> objectQueryWrapper = new QueryWrapper<>();
+// objectQueryWrapper.eq("member_id",member.getId());
+// objectQueryWrapper.eq("order_id",mallOrderInfo.getId());
+// objectQueryWrapper.eq("item_id",mallOrderItem.getId());
+// MallRefundEntity mallRefund = mallRefundMapper.selectOne(objectQueryWrapper);
+// MallRefundEntity mallRefundEntity = new MallRefundEntity();
+// if(ObjectUtil.isEmpty(mallRefund)){
+// mallRefundEntity.setRefundNo(mallOrderInfo.getOrderNo()+"_RITEM"+mallOrderItem.getId());
+// mallRefundEntity.setMemberId(member.getId());
+// mallRefundEntity.setOrderId(mallOrderInfo.getId());
+// mallRefundEntity.setItemId(mallOrderItem.getId());
+// if("余额支付".equals(mallOrderInfo.getPayMethod())){
+// mallRefundEntity.setType(3);
+// }else if("微信支付".equals(mallOrderInfo.getPayMethod())){
+// mallRefundEntity.setType(1);
+// }else{
+// mallRefundEntity.setType(3);
+// }
+// mallRefundEntity.setState(3);
+// mallRefundEntity.setAmount(mallOrderItem.getAmount());
+// mallRefundMapper.insert(mallRefundEntity);
+// }else{
+// if(mallRefund.getState() == 2){
+// mallRefundEntity.setId(mallRefund.getId());
+// mallRefundEntity.setRefundNo(mallRefund.getRefundNo());
+// mallRefundEntity.setMemberId(mallRefund.getMemberId());
+// mallRefundEntity.setOrderId(mallRefund.getOrderId());
+// mallRefundEntity.setItemId(mallRefund.getItemId());
+// mallRefundEntity.setType(mallRefund.getType());
+// mallRefundEntity.setState(3);
+// mallRefundEntity.setAmount(mallRefund.getAmount());
+// mallRefundMapper.updateById(mallRefundEntity);
+// }
+// }
+// ApiLeaderRefundOrderDto apiLeaderRefundOrderDto = new ApiLeaderRefundOrderDto();
+// apiLeaderRefundOrderDto.setOrderId(mallOrderInfo.getId());
+// apiLeaderRefundOrderDto.setItemId(mallOrderItem.getId());
+// apiLeaderRefundOrderDto.setAgreeState(1);
+// iApiMallTeamLeaderService.leaderRefundOrder(apiLeaderRefundOrderDto);
+// }
+ }
+
+ /**
+ * 获取小程序菊花码
+ * @Description //TODO
+ * @Author zhaowx
+ * @Date 2020/3/25 15:23
+ **/
+ @Test
+ public void getWXCode() {
+ try {
+ //这里调用的是上面的获取access_token方法
+ String access_token = redisUtils.get(WechatConfigure.WX_ACCESS_TOKEN_REDIS_KEY).toString();
+ String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token="+access_token;
+ String scene = "15";
+ Map<String, String> param = new HashMap<>();
+ param.put("scene",scene);
+ //这里的page如果没有的话可以不写，默认是跳主页，如果写了没有的页面的话，会返回错误信息
+ param.put("page","pages/product/details");
+ String json = JSON.toJSONString(param);
+ ByteArrayInputStream inputStream = sendPost(url, json);
+
+ //这里判断的是返回的图片还是错误信息，一般错误信息不会大于200
+ if (inputStream.available() <= 200){
+ ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+ int i;
+ byte[] buffer = new byte[200];
+ while ((i = inputStream.read(buffer)) != -1){
+ byteArrayOutputStream.write(buffer,0,i);
}
- mallRefundEntity.setState(3);
- mallRefundEntity.setAmount(mallOrderItem.getAmount());
- mallRefundMapper.insert(mallRefundEntity);
- }else{
- if(mallRefund.getState() == 2){
- mallRefundEntity.setId(mallRefund.getId());
- mallRefundEntity.setRefundNo(mallRefund.getRefundNo());
- mallRefundEntity.setMemberId(mallRefund.getMemberId());
- mallRefundEntity.setOrderId(mallRefund.getOrderId());
- mallRefundEntity.setItemId(mallRefund.getItemId());
- mallRefundEntity.setType(mallRefund.getType());
- mallRefundEntity.setState(3);
- mallRefundEntity.setAmount(mallRefund.getAmount());
- mallRefundMapper.updateById(mallRefundEntity);
+ String str = new String(byteArrayOutputStream.toByteArray());
+ //错误信息的格式在官方文档里有
+ JSONObject jsonObject = JSONObject.parseObject(str);
+ if ("41030".equals(jsonObject.getString("errcode"))){
+ System.out.println("所传page页面不存在，或者小程序没有发布");
+
+ }else if ("45009".equals(jsonObject.getString("errcode"))){
+ System.out.println("调用分钟频率受限");
}
+ byteArrayOutputStream.close();
}
- ApiLeaderRefundOrderDto apiLeaderRefundOrderDto = new ApiLeaderRefundOrderDto();
- apiLeaderRefundOrderDto.setOrderId(mallOrderInfo.getId());
- apiLeaderRefundOrderDto.setItemId(mallOrderItem.getId());
- apiLeaderRefundOrderDto.setAgreeState(1);
- iApiMallTeamLeaderService.leaderRefundOrder(apiLeaderRefundOrderDto);
+ //输出到本地的代码
+ FileOutputStream fileOutputStream = new FileOutputStream("D:/123.png");
+ int i;
+ byte[] buffer = new byte[10240000];
+ while ((i = inputStream.read(buffer)) != -1){
+ fileOutputStream.write(buffer,0,i);
+ }
+
+ fileOutputStream.flush();
+ fileOutputStream.close();
+ inputStream.close();
+ }catch (Exception e){
}
}
- private static final String GET_WXACODE ="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=";
- /**
- * 生成小程序码返回base64字符串
- * @param sceneStr 要携带的参数
- * @param accessToken 上面方法得到的token
- * @param page 要跳转的小程序页面（必须是已发布的）
- * @return
- */
- private static final String GETWXACODEUNLIMIT_URL = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=%s";// 生成小程序码地址
- private static final String URL_GET_TOKEN = "https://api.weixin.qq.com/cgi-bin/token";//获取access_token地址
- private static final String APP_ID = "wx0b515f652282158e";// 小程序appid
- private static final String APP_SECRET = "8d3d3c14221f7dc37650b861dc0fc570"; // 小程序秘钥
-
- public static final String PATH_HOME = "";
- private static final String BASE_PREFIX = "data:image/png;base64,"; // base64图片固定前缀
- public static String getminiqrQr(String sceneStr, String accessToken,String page) {
- HttpURLConnection httpURLConnection = null;
+ public static ByteArrayInputStream sendPost(String URL, String json) {
+ InputStream inputStream = null;
+ ByteArrayInputStream byteArrayInputStream = null;
+ // 创建默认的httpClient实例.
+ CloseableHttpClient httpclient = HttpClients.createDefault();
+ // 创建httppost
+ HttpPost httppost = new HttpPost(URL);
+ httppost.addHeader("Content-type", "application/json; charset=utf-8");
+ httppost.setHeader("Accept", "application/json");
try {
- URL url = new URL(String.format(GETWXACODEUNLIMIT_URL,accessToken));
- httpURLConnection = (HttpURLConnection) url.openConnection();
- httpURLConnection.setRequestMethod("POST");// 提交模式
- // 发送POST请求必须设置如下两行
- httpURLConnection.setDoOutput(true);
- httpURLConnection.setDoInput(true);
- // 获取URLConnection对象对应的输出流
- PrintWriter printWriter = new PrintWriter(httpURLConnection.getOutputStream());
- // 发送请求参数
- JSONObject paramJson = new JSONObject();
- paramJson.put("scene", sceneStr);
- paramJson.put("page", page);
- printWriter.write(paramJson.toString());
- // flush输出流的缓冲
- printWriter.flush();
- //开始获取数据
-
- BufferedInputStream bis = new BufferedInputStream(httpURLConnection.getInputStream());
- try (InputStream is = httpURLConnection.getInputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();){
+ StringEntity s = new StringEntity(json, Charset.forName("UTF-8"));
+ s.setContentEncoding("UTF-8");
+ httppost.setEntity(s);
+ HttpResponse response = httpclient.execute(httppost);
+ if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
+ // 获取相应实体
+ HttpEntity entity = response.getEntity();
+ inputStream = entity.getContent();
+ ByteArrayOutputStream outStream = new ByteArrayOutputStream();
+ // 创建一个Buffer字符串
byte[] buffer = new byte[1024];
- int len = -1;
- while ((len = is.read(buffer)) != -1) {
- baos.write(buffer, 0, len);
+ // 每次读取的字符串长度，如果为-1，代表全部读取完毕
+ int len = 0;
+ // 使用一个输入流从buffer里把数据读取出来
+ while ((len = inputStream.read(buffer)) != -1) {
+ // 用输出流往buffer里写入数据，中间参数代表从哪个位置开始读，len代表读取的长度
+ outStream.write(buffer, 0, len);
}
- return BASE_PREFIX+ Base64.getEncoder().encodeToString(baos.toByteArray());
+ // 关闭输入流
+ inputStream.close();
+ // 把outStream里的数据写入内存
+ byteArrayInputStream = new ByteArrayInputStream(outStream.toByteArray());
+ byte[] data = outStream.toByteArray();
+ String result = new String(Base64.getEncoder().encode(data));
+ result = "data:image/jpeg;base64," + result;
+ System.out.println(result);
}
} catch (Exception e) {
e.printStackTrace();
- }finally {
- if (httpURLConnection != null){
- httpURLConnection.disconnect();
+ } finally {
+ // 关闭连接,释放资源
+ try {
+ httpclient.close();
+ } catch (IOException e) {
+ e.printStackTrace();
}
}
- return null;
+ return byteArrayInputStream;
}
+
+ /**
+ * 传递自定义参数获取二维码保存后并生成url给前端访问
+ * @Author yeafel
+ * @param scene
+ * @param page
+ * @param is_hyaline
+ * @param auto_color
+ * @return
+ */
+ @Test
+ public void getQrCodeImgUrl() {
+ String scene = "pages/product/details";
+ String page = "15";
+ Boolean is_hyaline = true;
+ Boolean auto_color = true;
+ RestTemplate restTemplate = new RestTemplate();
+ //首先获取ACCESS_TOKEN
+ String accessToken = redisUtils.get(WechatConfigure.WX_ACCESS_TOKEN_REDIS_KEY).toString();
+
+ //然后调用微信官方api生成二维码
+ String createQrCodeUrl = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken;
+ //此处我是使用的阿里巴巴的fastJson
+ JSONObject createQrParam = new JSONObject();
+ createQrParam.put("scene", scene);
+ createQrParam.put("page", page);
+ createQrParam.put("is_hyaline", is_hyaline);
+ createQrParam.put("auto_color", auto_color);
+
+ PrintWriter out = null;
+ InputStream in = null;
+ try {
+ URL realUrl = new URL(createQrCodeUrl);
+ // 打开和URL之间的连接
+ URLConnection conn = realUrl.openConnection();
+ // 设置通用的请求属性
+ conn.setRequestProperty("accept", "*/*");
+ conn.setRequestProperty("connection", "Keep-Alive");
+ conn.setRequestProperty("user-agent",
+ "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+ // 发送POST请求必须设置如下两行
+ conn.setDoOutput(true);
+ conn.setDoInput(true);
+ // 获取URLConnection对象对应的输出流
+ out = new PrintWriter(conn.getOutputStream());
+ // 发送请求参数,利用connection的输出流，去写数据到connection中，我的参数数据流出我的电脑内存到connection中，让connection把参数帮我传到URL中去请求。
+ out.print(createQrParam);
+ // flush输出流的缓冲
+ out.flush();
+ //获取URL的connection中的输入流，这个输入流就是我请求的url返回的数据,返回的数据在这个输入流中，流入我内存，我将从此流中读取数据。
+ in = conn.getInputStream();
+ //定义个空字节数组
+ byte[] data = null;
+ // 读取图片字节数组
+ try {
+ //创建字节数组输出流作为中转仓库，等待被写入数据
+ ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
+ byte[] buff = new byte[100];
+ int rc = 0;
+ while ((rc = in.read(buff, 0, 100)) > 0) {
+ //向中转的输出流循环写出输入流中的数据
+ swapStream.write(buff, 0, rc);
+ }
+ //此时connection的输入流返回给我们的请求结果数据已经被完全地写入了我们定义的中转输出流swapStream中
+ data = swapStream.toByteArray();
+ } catch (IOException e) {
+ e.printStackTrace();
+ } finally {
+ if (in != null) {
+ try {
+ in.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ String base64Code = new String(Objects.requireNonNull(Base64.getEncoder().encode(data)));
+ //Base64转byte[]数组
+ System.out.println(base64Code);
+ } catch (Exception e) {
+ System.out.println("发送 POST 请求出现异常！" + e);
+ e.printStackTrace();
+ }
+
+ // 使用finally块来关闭输出流、输入流
+ finally {
+ try {
+ if (out != null) {
+ out.close();
+ }
+ if (in != null) {
+ in.close();
+ }
+ } catch (IOException ex) {
+ ex.printStackTrace();
+ }
+ }
+ }
+
+
public static void main(String[] args) {
BigDecimal amount = new BigDecimal("0.15").setScale(2,BigDecimal.ROUND_DOWN);
System.out.println(amount);
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