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请教一个有关WEB 客户端 1的问题 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

我做了一个测试,借助WEB 客户端 1 通过 URL将参数传输给下图中地址并调用一个PHP文件,但是出现了错误信息“ERROR 1101:unable to get a response with the specified url" 我直接通过浏览器传输,显示结果正确。借助WEB浏览框如下图所示那...
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App Inventor 2 图片云端保存及访问的开发思路 · App Inventor 2 中文网

... 云端图片访问 使用“Web浏览器”组件,访问图片url “Web客户端”组件下载图片至本地缓存,使用“图像”组件显示图片 « 返回首页 一般来说,类似于购物App,你可以从手机App上传物品图片,然后他人也可...
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App Inventor 2 如何下载/保存网络图片? · App Inventor 2 中文网

... 返回首页 首先,需要使用 Web客户端 组件,需要和网络url进行数据交互的场景就要考虑使用它,Web客户端 组件在“通信连接”抽屉中: 设置好网络图片的url,然后执行Get方法即可,代码如下: 其中,特别要注意的是保存...
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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网

...调用第三方天气api,填入必要的参数,通过Web客户端请求url。返回json格式的数据结果,使用AppInventor2解析json结果,显示到App上即可。 第三方天气API介绍 第三方天气的api平台特别多,这里仅以“和风天气”(dev.qweather.com)作...
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AppInventor如何实现通过扫二维码导入表格数据 - App Inventor 2 拓展 - 清...

...用原生的“条码扫描器”组件: 2、读取二维码中的url信息: 从上面条码组件的事件中获取。 3、访问远程url获取表格csv数据: 使用Web客户端组件访问url获取数据。数据格式建议采用csv(逗号分隔)格式。 4、解析数...
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How do servlets work? Instantiation, sessions, shared variables and multithreading

...n). When a client (e.g. user with a web browser, or programmatically using URLConnection) sends an HTTP request, the servlet container creates new HttpServletRequest and HttpServletResponse objects and passes them through any defined Filter in the chain and, eventually, the Servlet instance. In th...
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Convert Data URI to File then append to FormData

...ataURI to a Blob: function dataURItoBlob(dataURI) { // convert base64/URLEncoded data component to raw binary data held in a string var byteString; if (dataURI.split(',')[0].indexOf('base64') >= 0) byteString = atob(dataURI.split(',')[1]); else byteString = unesca...
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How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?

... use FileReader on it to see what's in it. This is how you can get a data url for the stuff you just pasted in Chrome: // window.addEventListener('paste', ... or document.onpaste = function(event){ var items = (event.clipboardData || event.originalEvent.clipboardData).items; console.log(JSON.s...
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How can javascript upload a blob?

... 'test.wav'); fd.append('data', soundBlob); $.ajax({ type: 'POST', url: '/upload.php', data: fd, processData: false, contentType: false }).done(function(data) { console.log(data); }); You need to use the FormData API and set the jQuery.ajax's processData and contentType ...
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List all svn:externals recursively?

...kes a huge step in relieving these frustrations. As mentioned earlier, the URLs used in the new externals definition format can be relative, and Subversion provides syntax magic for specifying multiple flavors of URL relativity. ../     Relative to the URL of the directory on which the ...