const store = require('../../utils/store.js'); const api = require('../../utils/api.js'); const { toastErr } = require('../../utils/ui.js'); // 卡片画布尺寸(逻辑像素)。真实导出会按 dpr 放大 const W = 620; const H = 1480; // 在 canvas 2d 上加载一张图(远程或本地),resolve 出可直接 drawImage 的 image 对象。 // 加载失败 resolve(null)——头像或小程序码缺一张不该让整张卡画不出来 function loadImage(canvas, src) { return new Promise((resolve) => { if (!src) return resolve(null); const img = canvas.createImage(); img.onload = () => resolve(img); img.onerror = () => resolve(null); img.src = src; }); } Page({ data: { petId: '', card: null, cardImg: '', qrReady: false, saving: false, needPhone: false, // 没手机号:门槛,先验证才生成 phoneRefused: false, // 用户拒绝了授权 manualMode: false, // 手动填手机号(getPhoneNumber 唤不起时的兜底) manualPhone: '', }, onLoad(q) { store .ready() .then(() => { const id = (q && q.id) || store.currentPetId(); if (!id) { wx.showToast({ title: '先选一只毛孩子', icon: 'none' }); return; } this.setData({ petId: id }); return api.petIDCard(id); }) .then((card) => { if (!card) return; this.setData({ card, qrReady: !!card.qr_ready }); // 门槛:没手机号不生成,先引导用微信验证 if (!card.phone) { this.setData({ needPhone: true }); return; } // 布局要等页面渲染完 canvas 节点才拿得到,放 nextTick wx.nextTick(() => this.draw()); }) .catch((e) => toastErr(e)); }, draw() { wx.createSelectorQuery() .select('#idCanvas') .fields({ node: true, size: true }) .exec((res) => { const node = res && res[0] && res[0].node; if (!node) return; let dpr = 2; try { dpr = (wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync()).pixelRatio || 2; } catch (e) { dpr = 2; } node.width = W * dpr; node.height = H * dpr; const ctx = node.getContext('2d'); ctx.scale(dpr, dpr); const c = this.data.card || {}; // 两张远程图都就绪再开画,否则小程序码会画不上或画一半(plan 里点过名的坑) Promise.all([loadImage(node, c.avatar_url), loadImage(node, c.qr_url)]).then(([avatar, qr]) => { this.paint(ctx, node, c, avatar, qr); }); }); }, paint(ctx, node, c, avatar, qr) { ctx.clearRect(0, 0, W, H); // 外层留白背景 ctx.fillStyle = '#F3EFE8'; ctx.fillRect(0, 0, W, H); const pad = 30; const cardW = W - pad * 2; const fx = pad, cardW2 = cardW; // 顶部标题 ctx.textAlign = 'center'; ctx.fillStyle = '#8A5A18'; ctx.font = '700 40px sans-serif'; ctx.fillText('🐾 宠物身份卡 🐾', W / 2, 66); // ══════════ 正面卡(暖黄)══════════ ctx.fillStyle = '#C7A36A'; ctx.font = '22px sans-serif'; ctx.fillText('· 正面 ·', W / 2, 116); const fY = 140, fH = 700; const gf = ctx.createLinearGradient(fx, fY, fx, fY + fH); gf.addColorStop(0, '#FFF7E0'); gf.addColorStop(1, '#FFE7AE'); this.roundRect(ctx, fx, fY, cardW2, fH, 30); ctx.fillStyle = gf; ctx.fill(); // 爪印水印 ctx.save(); this.roundRect(ctx, fx, fY, cardW2, fH, 30); ctx.clip(); ctx.globalAlpha = 0.07; ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.font = '150px sans-serif'; ctx.fillText('🐾', fx + cardW2 - 90, fY + fH - 80); ctx.restore(); ctx.globalAlpha = 1; ctx.textBaseline = 'alphabetic'; // 卡头:左 logo,右 徽章 ctx.textAlign = 'left'; ctx.fillStyle = '#8A5A18'; ctx.font = '600 26px sans-serif'; ctx.fillText('🐱 宠星人', fx + 32, fY + 52); ctx.textAlign = 'right'; ctx.fillStyle = '#B07A1E'; ctx.font = '600 22px sans-serif'; ctx.fillText('🛡 宠物身份卡', fx + cardW2 - 32, fY + 50); // 头像圆 + 白边 const avD = 150, avX = fx + 36, avY = fY + 90; ctx.save(); ctx.beginPath(); ctx.arc(avX + avD / 2, avY + avD / 2, avD / 2, 0, Math.PI * 2); ctx.clip(); if (avatar) { const iw = avatar.width || avD, ih = avatar.height || avD, side = Math.min(iw, ih); ctx.drawImage(avatar, (iw - side) / 2, (ih - side) / 2, side, side, avX, avY, avD, avD); } else { ctx.fillStyle = '#FFD9A3'; ctx.fillRect(avX, avY, avD, avD); ctx.fillStyle = '#8A5A18'; ctx.font = '64px sans-serif'; ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.fillText(c.species === '狗狗' ? '🐶' : '🐱', avX + avD / 2, avY + avD / 2); } ctx.restore(); ctx.textBaseline = 'alphabetic'; ctx.beginPath(); ctx.arc(avX + avD / 2, avY + avD / 2, avD / 2, 0, Math.PI * 2); ctx.strokeStyle = '#fff'; ctx.lineWidth = 8; ctx.stroke(); // 名字 + 性别(头像右侧) const nx = avX + avD + 28; ctx.textAlign = 'left'; ctx.fillStyle = '#2D2925'; ctx.font = '700 52px sans-serif'; ctx.fillText(c.name || '毛孩子', nx, avY + 44); if (c.gender) { ctx.fillStyle = c.gender === '女孩' ? '#E86A9B' : '#5B9BE8'; ctx.font = '30px sans-serif'; ctx.fillText(c.gender === '女孩' ? '♀' : '♂', nx + ctx.measureText(c.name || '毛孩子').width + 12, avY + 44); } // 头像右的资料行 const kvF = (label, value, yy) => { ctx.textAlign = 'left'; ctx.font = '24px sans-serif'; ctx.fillStyle = '#A98C5A'; ctx.fillText(label, nx, yy); ctx.fillStyle = '#3D3427'; ctx.font = '600 26px sans-serif'; ctx.fillText(value || '—', nx + 78, yy); }; kvF('性别', c.gender, avY + 92); kvF('品种', c.breed, avY + 130); kvF('毛色', c.color, avY + 168); kvF('年龄', c.age, avY + 206); // 性格标签 let ty = avY + avD + 34; ctx.textAlign = 'left'; ctx.fillStyle = '#8A5A18'; ctx.font = '600 24px sans-serif'; ctx.fillText('🐾 性格标签', fx + 34, ty); const tags = (c.personality || '').split(',').filter(Boolean); const tagColors = [['#FFE7A8', '#8A5A18'], ['#D6E9FF', '#2E6DA8'], ['#FFD9DE', '#C24A63']]; let tx = fx + 34; ty += 42; tags.forEach((t, i) => { ctx.font = '23px sans-serif'; const tw = ctx.measureText(t).width + 32; const col = tagColors[i % tagColors.length]; ctx.fillStyle = col[0]; this.roundRect(ctx, tx, ty - 28, tw, 40, 20); ctx.fill(); ctx.fillStyle = col[1]; ctx.textAlign = 'left'; ctx.fillText(t, tx + 16, ty); tx += tw + 14; }); // 介绍 quote if (c.intro) { const qy = ty + 30; ctx.fillStyle = 'rgba(255,255,255,.6)'; this.roundRect(ctx, fx + 34, qy, cardW2 - 68, 60, 16); ctx.fill(); ctx.fillStyle = '#7A5A2E'; ctx.font = '25px sans-serif'; ctx.textAlign = 'left'; ctx.fillText('“ ' + c.intro + ' ”', fx + 54, qy + 40); } // 底部:身份ID + 一起生活天数 ctx.textAlign = 'left'; ctx.fillStyle = '#9C7A3E'; ctx.font = '22px sans-serif'; ctx.fillText('物ID ' + (c.id_no || ''), fx + 34, fY + fH - 60); if (c.days > 0) { ctx.fillText('和主人一起生活的第 ' + c.days + ' 天', fx + 34, fY + fH - 26); } // ══════════ 背面卡(白 + 蓝)══════════ const bY = fY + fH + 46, bH = 620; ctx.textAlign = 'center'; ctx.fillStyle = '#C7A36A'; ctx.font = '22px sans-serif'; ctx.fillText('· 背面 ·', W / 2, bY - 16); this.roundRect(ctx, fx, bY, cardW2, bH, 30); ctx.fillStyle = '#FFFFFF'; ctx.fill(); // 蓝色标题条 const hb = 64; const gb = ctx.createLinearGradient(fx, bY, fx + cardW2, bY); gb.addColorStop(0, '#5AA0E8'); gb.addColorStop(1, '#7FB6F0'); this.roundRect(ctx, fx + 24, bY + 24, cardW2 - 48, hb, 18); ctx.fillStyle = gb; ctx.fill(); ctx.textAlign = 'center'; ctx.fillStyle = '#fff'; ctx.font = '700 28px sans-serif'; ctx.fillText('🌿 照护信息', W / 2, bY + 24 + 42); // 照护行(emoji 图标 + 标签 + 值) const rowX = fx + 40; const kvB = (icon, label, value, yy) => { ctx.textAlign = 'left'; ctx.font = '26px sans-serif'; ctx.fillText(icon, rowX, yy); ctx.font = '24px sans-serif'; ctx.fillStyle = '#8D8277'; ctx.fillText(label, rowX + 44, yy); ctx.font = '600 25px sans-serif'; ctx.fillStyle = '#2D2925'; ctx.fillText(value || '—', rowX + 170, yy); }; let ry = bY + 140; kvB('👤', '主人', c.owner, ry); ry += 46; kvB('📞', '联系电话', c.phone || '未验证', ry); ry += 46; kvB('💉', '疫苗情况', c.vaccine_state, ry); ry += 46; kvB('📝', '备注', c.notes || '无', ry); ry += 46; kvB('🏛', '发证机构', c.org || '肉垫计划', ry); ry += 46; kvB('📅', '有效期', c.validity || '永久有效', ry); ry += 40; // 走失联系框 + 小程序码 const lostY = ry + 16, lostH = bY + bH - lostY - 30; this.roundRect(ctx, fx + 24, lostY, cardW2 - 48, lostH, 18); ctx.fillStyle = '#EAF3FE'; ctx.fill(); ctx.textAlign = 'left'; ctx.fillStyle = '#2E6DA8'; ctx.font = '600 25px sans-serif'; ctx.fillText('🔔 走失时请联系主人', fx + 44, lostY + 44); ctx.fillStyle = '#5B7A9C'; ctx.font = '21px sans-serif'; ctx.fillText('微信扫一扫,查看' + (c.name || '') + '的身份信息', fx + 44, lostY + 84); ctx.fillText('或联系主人', fx + 44, lostY + 114); // 小程序码 const qrD = 118, qrX = fx + cardW2 - 24 - 20 - qrD, qrY = lostY + (lostH - qrD) / 2; ctx.fillStyle = '#fff'; this.roundRect(ctx, qrX, qrY, qrD, qrD, 12); ctx.fill(); if (qr) { ctx.drawImage(qr, qrX + 8, qrY + 8, qrD - 16, qrD - 16); } else { ctx.fillStyle = '#9CB4CC'; ctx.font = '18px sans-serif'; ctx.textAlign = 'center'; ctx.fillText('小程序码', qrX + qrD / 2, qrY + qrD / 2 - 2); ctx.fillText('待发布', qrX + qrD / 2, qrY + qrD / 2 + 24); } wx.canvasToTempFilePath( { canvas: node, fileType: 'png', success: (r) => this.setData({ cardImg: r.tempFilePath }), fail: () => wx.showToast({ title: '生成失败,稍后再试', icon: 'none' }), }, this, ); }, roundRect(ctx, x, y, w, h, r) { ctx.beginPath(); ctx.moveTo(x + r, y); ctx.arcTo(x + w, y, x + w, y + h, r); ctx.arcTo(x + w, y + h, x, y + h, r); ctx.arcTo(x, y + h, x, y, r); ctx.arcTo(x, y, x + w, y, r); ctx.closePath(); }, // 微信取手机号:新版 getPhoneNumber 返回动态 code,后端换成真实手机号存库, // 拿回后重新取卡(此时电话就有了)并重画 onGetPhone(e) { const d = e.detail || {}; if (!d.code) { // 用户拒绝授权:不给生成,明确提示 this.setData({ phoneRefused: true }); return wx.showToast({ title: '没有手机号,无法生成身份卡', icon: 'none' }); } wx.showLoading({ title: '验证中…', mask: true }); api .bindPhone(d.code) .then(() => api.petIDCard(this.data.petId)) .then((card) => { wx.hideLoading(); if (!card) return; this.setData({ card, qrReady: !!card.qr_ready, needPhone: false, phoneRefused: false }); wx.nextTick(() => this.draw()); wx.showToast({ title: '手机号已验证', icon: 'success' }); }) .catch((err) => { wx.hideLoading(); toastErr(err, '验证失败'); }); }, // 手动填手机号兜底(getPhoneNumber 需企业认证,唤不起时用这个) showManual() { this.setData({ manualMode: true }); }, onManualPhone(e) { this.setData({ manualPhone: e.detail.value }); }, submitManual() { const p = (this.data.manualPhone || '').trim(); if (!/^1\d{10}$/.test(p)) return wx.showToast({ title: '手机号格式不对', icon: 'none' }); wx.showLoading({ title: '保存中…', mask: true }); api .updateProfile({ phone: p }) .then(() => api.petIDCard(this.data.petId)) .then((card) => { wx.hideLoading(); if (!card) return; this.setData({ card, qrReady: !!card.qr_ready, needPhone: false, manualMode: false }); wx.nextTick(() => this.draw()); }) .catch((err) => { wx.hideLoading(); toastErr(err, '保存失败'); }); }, onSave() { if (!this.data.cardImg) return wx.showToast({ title: '还在生成,稍等一下', icon: 'none' }); if (this.data.saving) return; this.setData({ saving: true }); wx.saveImageToPhotosAlbum({ filePath: this.data.cardImg, success: () => wx.showToast({ title: '已保存到相册', icon: 'success' }), fail: (err) => { const msg = (err && err.errMsg) || ''; if (msg.indexOf('cancel') >= 0) return; // 拒过一次后 authorize 不再弹,必须引导去设置页 if (msg.indexOf('auth deny') >= 0 || msg.indexOf('authorize') >= 0) { wx.showModal({ title: '需要相册权限', content: '保存身份卡需要允许访问相册,去设置里打开一下?', confirmText: '去设置', success: (r) => r.confirm && wx.openSetting({}), }); return; } wx.showToast({ title: '保存失败', icon: 'none' }); }, complete: () => this.setData({ saving: false }), }); }, onShareAppMessage() { const c = this.data.card || {}; return { title: `${c.name || '我家毛孩子'} 的居民身份卡`, path: '/pages/idcard/idcard?id=' + this.data.petId, imageUrl: this.data.cardImg || '', // 用画好的卡当分享封面 }; }, });