JiangYunPhotos_2.0_WxApp/miniprogram/pages/takeBill/canvas/canvas.js

Page({
  data: {
    src: ''
  },
  onLoad(options) {
    let {
      src
    } = options
    this.setData({
      src
    })


    wx.getImageInfo({
      src,
      success: e => {
        console.log(e)
        let {
          path
        } = e
        const ctx = wx.createCanvasContext('myCanvas')
        ctx.drawImage(path, 0, 0, 150, 100)
        ctx.draw()
      }
    })
  }
})