extjs | 易学教程

ExtJS 6.6.0 Enable CORS in form submit

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问题 How to enable Cross Domain in ExtJS 6.6.0 this.getForm().submit({ url: REST.API_DOMAIN + REST.API_ATTACH + data.id, scope: this, success: function(form, result) { console.info(result); }, failure: function(form, result) { console.info(result); } }); Although the REST API is fully cross-domain, ExtJS rejects the response. response headers HTTP/1.1 200 OK Date: Wed, 11 Jul 2018 11:41:36 GMT Server: Apache Content-Encoding: gzip Vary: Accept-Encoding Access-Control-Allow-Origin: * Access-Control

extjs form.submit failed due to “accessing a cross-origin frame”

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问题 In my extjs6 project I am uploading a file to my webapi. (using form... fileuploadfield) The file gets successfully uploaded and it is supposed to return a simple string list however even though the file gets uploaded properly, in my controller it ALWAYS returns FAILURE on form.submit. Reason..."Blocked a frame with origin "http://localhost:57007" from accessing a cross-origin frame." I believe I read somewhere that when I do form.submit it creates some kind of frame that causes the cross

extjs form.submit failed due to “accessing a cross-origin frame”

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mvc传递json数据到view简单实例

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基于extjs4.2 controller //存储数据的类 public class DataLink { public string Name { get; set; } public string Address { get; set; } public int Age { get; set; } } public ActionResult MessageBack(string username) { //声明泛型 List<DataLink> resultData = new List<DataLink>(); //存储数据到对象中 resultData.Add(new DataLink() { Name = "tetse", Age = 19, Address = "ly" }); //把对象序列化为string string rs = Newtonsoft.Json.JsonConvert.SerializeObject(resultData); //返回前端 return Content(rs); } 来源： oschina 链接： https://my.oschina.net/u/4270977/blog/3290991

Extjs文本域布局

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3 月，跳不动了？>>> { layout: 'column', items: [ { layout: 'form', items:[{ xtype:'textarea', id:'textarea', labelWidth: 100, fieldLabel: '批量导入', style:"margin-top:10px;", width: 150, height:200 }] //左侧文本域 },{ layout: 'form', items:[ { labelWidth: 100, width: 250, height:150, style:"margin-top:10px;margin-left:-25px;border:0;background:transparent;", xtype:'textarea', readOnly: true, value : '请按以下格式输入或者从Excel中粘贴过来:\n321424235676581\n343454536578652\n756456345576574\n546567678798073\n343553664578544\n872398424324545\n然后点击“导入”\n最多导入100个串码' }, //右侧上固定文本域 { width: 50, height: 30, xtype: 'button', text:

Step progress bar ExtJs

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问题 How I can implement a step progress bar in ExtJs like this?: 回答1: You can create step progressbar with help dataview . And write simple interface for synchronize your component with this dataview Fiddle 来源： https://stackoverflow.com/questions/60149321/step-progress-bar-extjs

Adding Filter Icon in Extjs Grid Column once after Filter is applied

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问题 Is there anyway we can highlight column with filter is applied. The same way when we do sorting an icon is added on the individual column level to notify user. Thanks in advance. 回答1: This question is bit similar to Filter Header Update Any way to Achive this what my approach is first You need to prepare one css which having image what exactly you want. Your code for css look like or change as per your need : .filtered-column { background:url(http://dev.toadformysql.com/webhelp/...fiedFilter

Extjs 设置TreePanel CheckBox三态选中

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对于TreePanel的Node我们需求是： 1.选中某个节点A的CheckBox，节点A的所有子节点全部选中； 2.节点A的所有子节点如果都选中，则A节点选中； 3.节点A的某些节点选中，某些节点不选中，则A节点处于半选状态。如下图所示：如何来实现呢？研究发现TreePanel的节点的Checkbox可发现通过node.getUI().checkbox可以获取到checkbox。设置 checkbox的checked属性为true / false 可以设置checkbox选中或者非选择，那么三态的半选中状态如何设置呢？可以通过设置checkbox的indeterminate属性为 true，checked为false可以实现。因此，可以如下处理： Ext.Net HTMLCode <ext:TreePanel runat="server" ID="tree" RootVisible="false"> <Loader> <ext:TreeLoader DataUrl="/Home/GetNode"> <BaseParams> <ext:Parameter Name="pNodeId" Value="node.id" Mode="Raw"> </ext:Parameter> </BaseParams> </ext:TreeLoader> </Loader> <Root> <ext

使用JavaScript计算文字宽度

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我想使用JavaScript计算字符串的宽度。是否可以不必使用等宽字体？如果不是内置的，我唯一的想法就是为每个字符创建一个宽度表，但这是非常不合理的，特别是支持 Unicode 和不同类型的大小（以及与此相关的所有浏览器）。 #1楼创建具有以下样式的DIV。在您的JavaScript中，设置要测量的字体大小和属性，将字符串放入DIV中，然后读取DIV的当前宽度和高度。它将拉伸以适合内容，并且大小将在字符串呈现大小的几个像素之内。 var fontSize = 12; var test = document.getElementById("Test"); test.style.fontSize = fontSize; var height = (test.clientHeight + 1) + "px"; var width = (test.clientWidth + 1) + "px" console.log(height, width); #Test { position: absolute; visibility: hidden; height: auto; width: auto; white-space: nowrap; /* Thanks to Herb Caudill comment */ } <div id="Test">

extjs插件并行布局

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{ layout: 'column', items : [ { layout: 'form', items :[{ xtype:'textarea', id:'textarea', labelWidth: 100, fieldLabel: '批量导入', style:"margin-top:10px;", width: 150, height:200 }] },{ layout: 'form', items :[ { labelWidth: 100, width: 250, height:150, style:"margin-top:10px;margin-left:-25px;border:0;background:transparent;", xtype:'textarea', readOnly: true, value : '' },{ width: 50, height: 30, xtype: 'button', text: '导入', style:"margin-left:50px;margin-top:15px;", handler: function () { } } ] } ] } 来源： oschina 链接： https://my.oschina.net/u/4048873/blog/3173820