大约有 300 项符合查询结果（耗时：0.0094秒） [XML]
App Inventor 2 图片处理教程 - 缩放、裁剪、存储与转换 · App Inventor 2 中文网
...function resizeImage(dataUrl, maxW, maxH) {
var img = new Image();
img.onload = function() {
var ratio = Math.min(maxW / img.width, maxH / img.height);
var w = Math.floor(img.width * ratio);
var h = Math.floor(img.height * ratio);
var canvas = document.getElementById('canvas');
...
App Inventor 2 图像矫正教程 - 透视变换与文档扫描 · App Inventor 2 中文网
...")){
var base64 = msg.substring(8);
var img = new Image();
img.onload = function(){
// 透视变换矫正
var src = cv.imread(img);
var dst = new cv.Mat();
// 定义原始四角和目标四角
var srcPts = cv.matFromArray(4, 1, cv.CV_32FC2, [100,50, 350,30, ...
MLKitTextRecognizer 拓展：离线图片文字识别（OCR，中英文） · App Inventor 2 中文网
...择器」和一个标签。
when Screen1.Initialize() {
TextRecognizer1.Script = "chinese"
}
when 图像选择器1.AfterPicking() {
标签1.Text = "识别中…"
TextRecognizer1.RecognizeFromFile(图像选择器1.Selection)
}
when TextRecognizer1.RecognitionSuccess(text, resultJson) {
标...
Advances social tools app with cool UI - Koded Apps - Kodular Community
...
}
#d-splash {
display: none;
}
// This script is inlined in `_discourse_splash.html.erb
const DELAY_TARGET = 2000;
const POLLING_INTERVAL = 50;
const splashSvgTemplate = document.querySelector(".splash-svg-template");
const splashTemplateClone = splashSvgTemplate....
PHP 后端示例的 Node.js 与 Python 对应源码 · App Inventor 2 中文网
...env
# Linux/macOS
. .venv/bin/activate
# Windows PowerShell 使用：.venv\Scripts\Activate.ps1
每个文件开头注明依赖，各教程给出完整安装和启动命令。Python 的内置 Flask 服务用于本地测试，对外部署请按 Flask 部署文档 使用 WSGI 服务。选择一种后...
App Inventor 2 中文网 · AI + 积木，让想法变成 App
...ne';}var _hmt = _hmt || [];(function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s);})(); function hdcStarterInstall(downloadUrl, hdcUr...
App Inventor 2 列表选择器 用法示例 · App Inventor 2 中文网
...hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
...
Activity启动器（ActivityStarter）如何查看并启动其他App · App Inventor 2 中文网
...hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
...
使用模拟器构建应用程序 · App Inventor 2 中文网
...hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); ...
App Inventor 2 中文网 · 升级日志
... var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();