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This commit is contained in:
chen-xin-zhi
2025-05-07 04:14:21 +08:00
parent e1b1bfc721
commit 6e0576df5b
42 changed files with 1882 additions and 96 deletions
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81
src/main/java/com/greenorange/promotion/controller/wechat/WechatGetQrcodeController.java
View File

@ -3,22 +3,23 @@ package com.greenorange.promotion.controller.wechat;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONUtil;
import com.greenorange.promotion.annotation.RequiresPermission;
import com.greenorange.promotion.common.BaseResponse;
import com.greenorange.promotion.common.ErrorCode;
import com.greenorange.promotion.common.ResultUtils;
import com.greenorange.promotion.config.WxAccessToken;
import com.greenorange.promotion.constant.UserConstant;
import com.greenorange.promotion.model.dto.CommonStringRequest;
import com.greenorange.promotion.service.wechat.WechatGetQrcodeService;
import com.greenorange.promotion.utils.QRCodeUtil;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
@ -38,9 +39,6 @@ import java.util.Map;
public class WechatGetQrcodeController {
private final static String ACCESS_TOKEN_KEY = "accessToken";
@Resource
private RedisTemplate<String, Object> redisTemplate;
@ -57,76 +55,23 @@ public class WechatGetQrcodeController {
@GetMapping("/get/token")
@Operation(summary = "(小程序端)获取接口调用凭据", description = "参数：无, 权限：所有人, 方法名：getAccessToken")
public BaseResponse<WxAccessToken> getAccessToken() {
String accessToken = (String) redisTemplate.opsForValue().get(ACCESS_TOKEN_KEY);
if (accessToken == null) {
accessToken = wechatGetQrcodeService.getAccessToken().getAccess_token();
}
WxAccessToken wxAccessToken = WxAccessToken.builder()
.access_token(accessToken)
.expires_in("7200").build();
WxAccessToken wxAccessToken = wechatGetQrcodeService.getApiAccessToken();
return ResultUtils.success(wxAccessToken);
}
/**
* 微信小程序获取二维码
* @return
* @throws IOException
*/
@PostMapping("/get/qrcode")
@Operation(summary = "微信小程序获取二维码", description = "参数：无, 权限：所有人, 方法名：getQrcode")
public BaseResponse<String> getQrcode() throws IOException {
String accessToken = (String) redisTemplate.opsForValue().get(ACCESS_TOKEN_KEY);
if (accessToken == null) {
accessToken = wechatGetQrcodeService.getAccessToken().getAccess_token();
}
Map<String, Object> param = new HashMap<>();
param.put("page", "pages/test/test");
param.put("scene", "a=1");
param.put("width", 430); // 宽度
param.put("check_path", false);
param.put("env_version", "develop");
String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken;
String jsonParams = JSONUtil.toJsonStr(param);
byte[] responseBytes = HttpUtil.createPost(url)
.header("Content-Type", "application/json")
.body(jsonParams)
.execute()
.bodyBytes();
// 将二维码数据转换为 BufferedImage
BufferedImage qrImage = ImageIO.read(new ByteArrayInputStream(responseBytes));
// 获取用户头像
String avatarUrl = "https://img.picui.cn/free/2025/04/09/67f5d7bd6b368.jpg"; // 假设这是用户头像的URL
BufferedImage avatarImage = QRCodeUtil.getScaledAvatar(avatarUrl, 188, 188);
// 获取空白图像
String blankUrl = "https://www.helloimg.com/i/2025/04/07/67f34b0490d07.png";
// 加载一张空白图片来覆盖logo（假设是透明背景的图片）
BufferedImage blankImage = QRCodeUtil.getScaledAvatar(blankUrl, 196, 196); // 空白图片路径
// 将头像转换为圆形
BufferedImage circularAvatar = QRCodeUtil.getCircularImage(avatarImage);
// 将空白头像转换为圆形
BufferedImage circularBlank = QRCodeUtil.getCircularImage(blankImage);
// 合并二维码和空白图片
BufferedImage mergedWithBlank = QRCodeUtil.addImages(qrImage, circularBlank, 116, 116); // 偏移量根据需要调整
// 合并二维码和头像
BufferedImage resultImage = QRCodeUtil.addImages(mergedWithBlank, circularAvatar, 120, 120);
// 将合成后的图片转换为 Base64 编码
InputStream resultStream = QRCodeUtil.bufferedImageToInputStream(resultImage);
byte[] resultBytes = resultStream.readAllBytes();
// 生成图片并保存
try (FileOutputStream fos = new FileOutputStream("qrcode.png")) {
fos.write(resultBytes); // 将二进制数据写入文件
} catch (IOException e) {
e.printStackTrace();
return ResultUtils.error(ErrorCode.OPERATION_ERROR, "保存二维码图片失败");
}
// 将二维码转换为Base64编码
String base64Image = "data:image/jpeg;base64," + Base64.getEncoder().encodeToString(responseBytes);
return ResultUtils.success(base64Image);
// @RequiresPermission(mustRole = UserConstant.DEFAULT_ROLE)
public BaseResponse<String> getQrcode(@Valid @RequestBody CommonStringRequest commonStringRequest) throws IOException {
String inviteCode = commonStringRequest.getTemplateString();
String view = wechatGetQrcodeService.getWxQrCode(inviteCode);
return ResultUtils.success(view);
}