<template>
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<div class="wechat-payment">
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<!-- 支付弹窗 -->
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<el-dialog
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v-model="visible"
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title="微信支付"
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width="400px"
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:close-on-click-modal="false"
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:close-on-press-escape="false"
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@close="handleCancel"
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>
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<div class="payment-content">
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<!-- 支付信息 -->
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<div class="payment-info">
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<div class="payment-title">{{ paymentData.title }}</div>
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<div class="payment-amount">
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¥<span class="amount-value">{{ formatAmount(paymentData.amount) }}</span>
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</div>
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</div>
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<!-- 支付状态 -->
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<div class="payment-status">
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<template v-if="paymentStatus === 'pending'">
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<div class="qr-container">
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<div class="qr-code" ref="qrCodeRef">
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<!-- 二维码将在这里生成 -->
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</div>
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<div class="qr-tips">
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<el-icon class="scan-icon"><Iphone /></el-icon>
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<p>请使用微信扫码支付</p>
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<p class="tips-text">扫码后请在手机上完成支付</p>
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</div>
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</div>
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<!-- 倒计时 -->
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<div class="countdown">
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<span>支付剩余时间:</span>
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<span class="countdown-time">{{ formatTime(countdown) }}</span>
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</div>
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</template>
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<template v-else-if="paymentStatus === 'loading'">
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<div class="loading-status">
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<el-icon class="loading-icon"><Loading /></el-icon>
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<p>正在生成支付二维码...</p>
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</div>
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</template>
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<template v-else-if="paymentStatus === 'success'">
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<div class="success-status">
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<el-icon class="success-icon"><CircleCheck /></el-icon>
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<p>支付成功!</p>
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<p class="success-tips">感谢您的支付,页面即将跳转...</p>
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</div>
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</template>
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<template v-else-if="paymentStatus === 'failed'">
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<div class="failed-status">
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<el-icon class="failed-icon"><CircleClose /></el-icon>
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<p>支付失败</p>
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<p class="failed-tips">{{ errorMessage || '支付过程中出现异常,请重试' }}</p>
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</div>
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</template>
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<template v-else-if="paymentStatus === 'timeout'">
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<div class="timeout-status">
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<el-icon class="timeout-icon"><Clock /></el-icon>
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<p>支付超时</p>
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<p class="timeout-tips">二维码已过期,请重新发起支付</p>
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</div>
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</template>
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</div>
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</div>
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<!-- 操作按钮 -->
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<template #footer>
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<div class="dialog-footer">
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<el-button
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v-if="paymentStatus === 'pending'"
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@click="refreshQrCode"
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:loading="refreshing"
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>
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刷新二维码
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</el-button>
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<el-button
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v-if="paymentStatus === 'failed' || paymentStatus === 'timeout'"
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type="primary"
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@click="retryPayment"
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>
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重新支付
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</el-button>
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<el-button
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@click="handleCancel"
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:disabled="paymentStatus === 'loading'"
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>
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{{ paymentStatus === 'success' ? '关闭' : '取消支付' }}
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</el-button>
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</div>
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</template>
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</el-dialog>
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</div>
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</template>
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<script>
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import { ref, computed, nextTick, onUnmounted, watch } from 'vue';
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import { ElMessage, ElMessageBox } from 'element-plus';
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import { orderApi } from '@/api/user';
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import {
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Iphone,
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Loading,
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CircleCheck,
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CircleClose,
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Clock
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} from '@element-plus/icons-vue';
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import { wechatPayApi } from '@/api/user.js';
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import QRCode from 'qrcode';
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export default {
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name: 'WechatPayment',
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components: {
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Iphone,
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Loading,
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CircleCheck,
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CircleClose,
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Clock
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},
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props: {
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// 是否显示支付弹窗
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modelValue: {
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type: Boolean,
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default: false
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},
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// 支付数据
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paymentData: {
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type: Object,
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default: () => ({
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orderId: '', // 订单ID
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title: '商品支付', // 支付标题
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amount: 0, // 支付金额(分)
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body: '' // 商品描述
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})
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}
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},
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emits: ['update:modelValue', 'success', 'cancel', 'failed'],
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setup(props, { emit }) {
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const visible = computed({
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get: () => props.modelValue,
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set: (value) => emit('update:modelValue', value)
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});
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const qrCodeRef = ref(null);
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const paymentStatus = ref('loading');
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const countdown = ref(300);
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const refreshing = ref(false);
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const errorMessage = ref('');
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let pollingTimer = null;
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let countdownTimer = null;
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let outTradeNo = '';
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// 格式化金额
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const formatAmount = (amount) => {
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return (amount / 100).toFixed(2);
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};
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// 格式化时间
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const formatTime = (seconds) => {
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const minutes = Math.floor(seconds / 60);
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const remainingSeconds = seconds % 60;
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return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
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};
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// 生成二维码
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const generateQrCode = async (codeUrl) => {
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try {
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await nextTick();
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if (qrCodeRef.value) {
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qrCodeRef.value.innerHTML = '';
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await QRCode.toCanvas(qrCodeRef.value, codeUrl, {
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width: 200,
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height: 200,
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margin: 1,
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color: {
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dark: '#000000',
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light: '#FFFFFF'
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}
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});
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}
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} catch (error) {
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console.error('生成二维码失败:', error);
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ElMessage.error('生成二维码失败');
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}
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};
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// 创建支付订单
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const createPaymentOrder = async () => {
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try {
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paymentStatus.value = 'loading';
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const params = {
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orderId: props.paymentData.orderId,
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totalFee: props.paymentData.amount,
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body: props.paymentData.body || props.paymentData.title
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};
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// 模拟API响应
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await new Promise(resolve => setTimeout(resolve, 1000));
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const mockResponse = {
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code: 200,
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result: {
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codeUrl: `weixin://wxpay/bizpayurl?pr=${Math.random().toString(36).substr(2, 9)}`,
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outTradeNo: `ORDER_${Date.now()}`
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}
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};
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if (mockResponse.code === 200 && mockResponse.result) {
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const { codeUrl, outTradeNo: tradeNo } = mockResponse.result;
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outTradeNo = tradeNo;
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await generateQrCode(codeUrl);
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paymentStatus.value = 'pending';
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startPolling();
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startCountdown();
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} else {
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throw new Error('创建支付订单失败');
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}
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} catch (error) {
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console.error('创建支付订单失败:', error);
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paymentStatus.value = 'failed';
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errorMessage.value = error.message;
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ElMessage.error(error.message || '创建支付订单失败');
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}
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};
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// 开始轮询支付状态
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const startPolling = () => {
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if (pollingTimer) {
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clearInterval(pollingTimer);
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}
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pollingTimer = setInterval(async () => {
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await checkPaymentStatus();
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}, 2000);
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};
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// 停止轮询
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const stopPolling = () => {
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if (pollingTimer) {
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clearInterval(pollingTimer);
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pollingTimer = null;
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}
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};
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// 检查支付状态
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const checkPaymentStatus = async () => {
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try {
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// 模拟随机支付成功(演示用)
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if (Math.random() > 0.95) {
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handlePaymentSuccess();
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return;
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}
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// 实际项目中调用真实API
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// const response = await wechatPayApi.queryWechatPayStatus(outTradeNo);
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} catch (error) {
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console.error('查询支付状态失败:', error);
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}
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};
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// 处理支付成功
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const handlePaymentSuccess = () => {
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paymentStatus.value = 'success';
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stopPolling();
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stopCountdown();
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ElMessage.success('支付成功!');
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emit('success', outTradeNo);
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setTimeout(() => {
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visible.value = false;
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}, 3000);
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};
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// 处理支付失败
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const handlePaymentFailed = (message) => {
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paymentStatus.value = 'failed';
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errorMessage.value = message;
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stopPolling();
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stopCountdown();
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ElMessage.error(message || '支付失败');
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emit('failed', message);
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};
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// 开始倒计时
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const startCountdown = () => {
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countdown.value = 300;
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countdownTimer = setInterval(() => {
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countdown.value--;
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if (countdown.value <= 0) {
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handlePaymentTimeout();
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}
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}, 1000);
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};
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// 停止倒计时
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const stopCountdown = () => {
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if (countdownTimer) {
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clearInterval(countdownTimer);
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countdownTimer = null;
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}
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};
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// 处理支付超时
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const handlePaymentTimeout = () => {
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paymentStatus.value = 'timeout';
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stopPolling();
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stopCountdown();
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ElMessage.warning('支付超时,请重新发起支付');
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};
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// 刷新二维码
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const refreshQrCode = async () => {
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refreshing.value = true;
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try {
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await createPaymentOrder();
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} finally {
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refreshing.value = false;
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}
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};
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// 重新支付
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const retryPayment = () => {
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errorMessage.value = '';
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createPaymentOrder();
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};
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// 取消支付
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const handleCancel = async () => {
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if (paymentStatus.value === 'success') {
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visible.value = false;
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return;
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}
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try {
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await ElMessageBox.confirm(
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'确定要取消支付吗?',
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'取消支付',
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{
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confirmButtonText: '确定',
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cancelButtonText: '继续支付',
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type: 'warning',
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}
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);
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stopPolling();
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stopCountdown();
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visible.value = false;
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emit('cancel');
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} catch {
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// 用户选择继续支付
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}
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};
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// 监听弹窗显示状态
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watch(visible, (newVal) => {
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if (newVal && props.paymentData.orderId) {
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createPaymentOrder();
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} else {
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stopPolling();
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stopCountdown();
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paymentStatus.value = 'loading';
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errorMessage.value = '';
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outTradeNo = '';
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}
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});
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// 组件卸载时清理
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onUnmounted(() => {
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stopPolling();
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stopCountdown();
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});
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return {
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visible,
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qrCodeRef,
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paymentStatus,
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countdown,
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refreshing,
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errorMessage,
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formatAmount,
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formatTime,
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refreshQrCode,
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retryPayment,
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handleCancel
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};
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}
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};
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</script>
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<style lang="scss" scoped>
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.wechat-payment {
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.payment-content {
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text-align: center;
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padding: 20px 0;
|
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.payment-info {
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margin-bottom: 20px;
|
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.payment-title {
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font-size: 18px;
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font-weight: 600;
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color: #303133;
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margin-bottom: 8px;
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}
|
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.payment-amount {
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font-size: 24px;
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color: #0A2463;
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font-weight: 700;
|
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.amount-value {
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font-size: 32px;
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}
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}
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}
|
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.payment-status {
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min-height: 300px;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
|
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.qr-container {
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.qr-code {
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margin-bottom: 16px;
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display: flex;
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justify-content: center;
|
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:deep(canvas) {
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
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}
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}
|
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.qr-tips {
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.scan-icon {
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font-size: 32px;
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color: #0A2463;
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margin-bottom: 8px;
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}
|
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p {
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margin: 4px 0;
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color: #606266;
|
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&:first-of-type {
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font-size: 16px;
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|
font-weight: 600;
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color: #303133;
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}
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}
|
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.tips-text {
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font-size: 14px;
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color: #909399;
|
|
}
|
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}
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}
|
|
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.countdown {
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margin-top: 16px;
|
|
font-size: 14px;
|
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color: #909399;
|
|
|
|
.countdown-time {
|
|
color: #F56C6C;
|
|
font-weight: 600;
|
|
}
|
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}
|
|
|
|
.loading-status,
|
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.success-status,
|
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.failed-status,
|
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.timeout-status {
|
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display: flex;
|
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flex-direction: column;
|
|
align-items: center;
|
|
|
|
.loading-icon {
|
|
font-size: 48px;
|
|
color: #0A2463;
|
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animation: rotate 2s linear infinite;
|
|
margin-bottom: 16px;
|
|
}
|
|
|
|
.success-icon {
|
|
font-size: 48px;
|
|
color: #67C23A;
|
|
margin-bottom: 16px;
|
|
}
|
|
|
|
.failed-icon,
|
|
.timeout-icon {
|
|
font-size: 48px;
|
|
color: #F56C6C;
|
|
margin-bottom: 16px;
|
|
}
|
|
|
|
p {
|
|
margin: 4px 0;
|
|
font-size: 16px;
|
|
color: #303133;
|
|
|
|
&:first-of-type {
|
|
font-weight: 600;
|
|
font-size: 18px;
|
|
}
|
|
}
|
|
|
|
.success-tips,
|
|
.failed-tips,
|
|
.timeout-tips {
|
|
font-size: 14px;
|
|
color: #909399;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
.dialog-footer {
|
|
display: flex;
|
|
justify-content: center;
|
|
gap: 12px;
|
|
|
|
.el-button {
|
|
&.el-button--primary {
|
|
background-color: #0A2463;
|
|
border-color: #0A2463;
|
|
|
|
&:hover {
|
|
background-color: #083354;
|
|
border-color: #083354;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@keyframes rotate {
|
|
from {
|
|
transform: rotate(0deg);
|
|
}
|
|
to {
|
|
transform: rotate(360deg);
|
|
}
|
|
}
|
|
|
|
// 响应式设计
|
|
@media (max-width: 768px) {
|
|
.wechat-payment {
|
|
:deep(.el-dialog) {
|
|
width: 90% !important;
|
|
margin: 5vh auto !important;
|
|
}
|
|
|
|
.payment-content {
|
|
padding: 16px 0;
|
|
|
|
.payment-info {
|
|
.payment-title {
|
|
font-size: 16px;
|
|
}
|
|
|
|
.payment-amount {
|
|
font-size: 20px;
|
|
|
|
.amount-value {
|
|
font-size: 28px;
|
|
}
|
|
}
|
|
}
|
|
|
|
.payment-status {
|
|
min-height: 250px;
|
|
|
|
.qr-container {
|
|
.qr-code {
|
|
:deep(canvas) {
|
|
width: 160px !important;
|
|
height: 160px !important;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
</style>
|