<input type="file" name="file" id="upload"> <script> const ACCEPT = ['image/jpg', 'image/png', 'image/jpeg'] const MAXSIZE = 3 *　1024 * 1024 const MAXSIZE_STR = '3MB…

依赖于 rgbaster 包， 安装rgbaster： yarn add rgbaster import analyze from 'rgbaster' export default { mounted() { this.getBackground() }, methods: { getBackground() { const that = thi…

const ctx = wx.createCanvasContext('customCanvas') // 文字自动换行 function fillText(height, text, cb) { var chr = text.split(""); //这个方法是将一个字符串分割成字符串数组 var temp = ""; var row = [];…