ctx = wx.createCanvasContext('forWechat')
ctx.drawImage('/img/for-save.jpg', 0, 0, 1220, 1800);
ctx.setFillStyle('#ffffff')
ctx.setFontSize(50)
ctx.setTextAlign('center') // 对，这里不起作用
ctx.setTextBaseline && ctx.setTextBaseline('middle')
ctx.fillText(userInfo.nickName + '邀请你一起来0元秒杀', 610, 640)
ctx.fillText('资生堂惠润柔净洗发组合', 610, 730)
ctx.draw()
setTimeout(() => {
wx.canvasToTempFilePath({
x: 0,
y: 0,
width: 1220,
height: 1800,
destWidth: 1220,
destHeight: 1800,
fileType: 'jpg',
canvasId: 'forWechat',
success: res => {
console.log('图片生成', res.tempFilePath)
img = res.tempFilePath
wx.setStorageSync('saveImg', img)
callback && callback(img)
}
})
}, 500)
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