import {
		generateMemberCode
	} from '@/api/inter/member-code.js';

data() {
			return {
				codeImg: '',
				timer: null, // 添加定時(shí)器引用,
			}
		},
		onShow() {
			// 立即加載一次
			this.makeMemberCode();

			// 設(shè)置定時(shí)器（注意保存引用）
			this.timer = setInterval(() => {
				this.makeMemberCode();
			}, 30000);
		},
		onHide() {
			// 頁(yè)面隱藏時(shí)清除定時(shí)器
			if (this.timer) {
				clearInterval(this.timer);
				this.timer = null;
			}
		},
        methods: {
			async makeMemberCode() {
				const memberId = 1; // 使用假數(shù)據(jù)中的 id
				const memberName = '張三'; // 使用假數(shù)據(jù)中的 nickname
				const params = {
					memberId,
					memberName
				};
				try {
                    // 調(diào)用后端接口（這里可改成符合你項(xiàng)目的請(qǐng)求方式）
					const response = await generateMemberCode(params);
					console.log('完整響應(yīng):', response);

					// 調(diào)試數(shù)據(jù)類型
					console.log('響應(yīng)數(shù)據(jù)類型:', typeof response);

					// 處理二進(jìn)制數(shù)據(jù)（適用于小程序）
					if (typeof response === 'object' && response instanceof ArrayBuffer) {
						const base64 = uni.arrayBufferToBase64(response);
						this.codeImg = `data:image/png;base64,${base64}`;
						console.log('新的 codeImg:', this.codeImg); // 調(diào)試輸出
					} else if (typeof response.data === 'string') {
						this.codeImg = `data:image/png;base64,${response.data}`;
					}
					// 處理URL
					else if (response.data.imageUrl) {
						this.codeImg = response.data.imageUrl;
					}
				} catch (error) {
					console.error('請(qǐng)求失敗:', error);
					uni.showToast({
						title: '會(huì)員碼加載失敗',
						icon: 'none'
					});
				}
			}
        }

import { HttpClient } from '@/api/utils/request.js'; // 確保路徑正確
import api from '../../config/api.js'; // 導(dǎo)入 API 配置

const http = new HttpClient(api.base);


/**
 * 獲取后端二維碼
 */
export async function generateMemberCode(params) {
    try {
        const response = await http.getbuffer('/api/wx/generate-qrcode',params);
        console.log('Response:', response);
        return response; // 返回響應(yīng)數(shù)據(jù)
    } catch (error) {
        console.error('Error:', error);
        throw error; // 繼續(xù)拋出錯(cuò)誤以供上層處理
    }
}

class HttpClient {
	constructor(baseURL) {
		this.baseURL = baseURL;
	}

async getbuffer(url, params = {}) {
		try {
			//await this.checkTokenAndNavigate(); // 在發(fā)送請(qǐng)求前檢查 token
			const queryString = this.buildQueryString(params);
			const fullURL = `${this.baseURL}${url}${queryString}`;
	
			return new Promise((resolve, reject) => {
				uni.request({
					url: fullURL,
					method: 'GET',
					header: {
						'Content-Type': 'application/json',
						'X-Auth-Token': `${uni.getStorageSync('token')}` // 如果需要在 header 中發(fā)送 token
					},
					responseType: 'arraybuffer', // 指定響應(yīng)類型為 arraybuffer
					success: (response) => {
						resolve(response.data);
					},
					fail: (error) => {
						console.error('GET request error:', error);
						reject(error);
					}
				});
			});
		} catch (error) {
			// 如果 checkTokenAndNavigate 拋出錯(cuò)誤（例如沒(méi)有 token），則這里處理錯(cuò)誤
			return Promise.reject(error);
		}
	}
    buildQueryString(params) {
	  if (!params || Object.keys(params).length === 0) {
	    return '';
	  }
	  return '?' + Object.keys(params)
	    .map(key => encodeURIComponent(key) + '=' + encodeURIComponent(params[key]))
	    .join('&');
	}
}

export {
	HttpClient
};

// 生產(chǎn)環(huán)境
const prod = {
  base: "http://XXXXXX:8099",
};

// 開(kāi)發(fā)環(huán)境
const dev = {
  base: "http://XXXXXXX:8099",
};

// 默認(rèn)生產(chǎn)環(huán)境
let api = prod;

// 如果是開(kāi)發(fā)環(huán)境
if (process.env.NODE_ENV === "development") {
  api = dev;
}

// 微信小程序和App的打包方式建議為生產(chǎn)環(huán)境，所以這塊直接條件編譯賦值()
// #ifdef MP-WEIXIN || APP-PLUS
// 這個(gè)直接使用的是 dev 地址
api = dev;
// #endif

export default {
  ...api,
};

	<view class="qrcode d-flex just-content-center align-items-center">
					<image :src="`${codeImg}`" style="width: 350rpx; height: 350rpx;"></image>
				</view>

<!-- ZXing Core and Java SE -->
    <dependency>
        <groupId>com.google.zxing</groupId>
        <artifactId>core</artifactId>
        <version>3.4.1</version>
    </dependency>
    <dependency>
        <groupId>com.google.zxing</groupId>
        <artifactId>javase</artifactId>
        <version>3.4.1</version>
    </dependency>

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.io.ByteArrayOutputStream;
import java.nio.file.FileSystems;
import java.util.HashMap;
import java.util.Map;

@RestController
public class QRCodeController {

    @GetMapping("/generate-qrcode")
    public ResponseEntity<byte[]> generateQRCode(
            @RequestParam String memberId,
            @RequestParam String memberName) throws WriterException {
        
        // 構(gòu)建二維碼內(nèi)容（內(nèi)容可根據(jù)自己業(yè)務(wù)動(dòng)態(tài)修改）
        // 建議加上唯一標(biāo)識(shí)，安全碼、起始時(shí)間、狀態(tài)等，保證二維碼安全性
        String qrContent = "Member ID: " + memberId + ", Member Name: " + memberName;

        // 設(shè)置二維碼參數(shù)
        int width = 300;
        int height = 300;
        String imageFormat = "PNG"; // 圖片格式

        Map<EncodeHintType, Object> hints = new HashMap<>();
        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");

        // 生成二維碼
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix bitMatrix = qrCodeWriter.encode(qrContent, BarcodeFormat.QR_CODE, width, height, hints);

        // 將二維碼寫(xiě)入字節(jié)數(shù)組輸出流
        ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream();
        MatrixToImageWriter.writeToStream(bitMatrix, imageFormat, pngOutputStream);

        // 返回二維碼圖片
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.IMAGE_PNG);
        return new ResponseEntity<>(pngOutputStream.toByteArray(), headers, HttpStatus.OK);
    }
}