Basics of dojo (3) Sending data to the server_dojo
There are two ways to send data to the server: get and post.
First, replace the html code in the body with
<pre class="brush:php;toolbar:false"> <button dojoType="Button" widgetId="helloButton">Hello World!</button><br> <br><br> 请输入名称: <input type="text" id="name">
- get
We only need to change:in the basic part (2). Needless to say, you can understand the url in it. It is a relative path. That is to say, in the current location of HelloWorld.html There should be a HelloWorldResponseGET.jsp file under the directory<pre class="brush:php;toolbar:false"> function helloPressed()<br> {<br> dojo.io.bind({<br> url: 'response.txt',<br> handler: helloCallback<br> });<br> }<br>替换为:<br><pre class="brush:php;toolbar:false"> function helloPressed()<br> {<br> dojo.io.bind({<br> url: 'HelloWorldResponseGET.jsp',<br> handler: helloCallback,<br> content: {name: dojo.byId('name').value }<br> });<br> }
Copy after login
. The handler is still the same, processing the returned data,
if any.
content is the data to be sent. The name is name, and the value of name is The value you entered.
In this way, we can write simple code in jsp to obtain this value. The following is the code in jsp<%<BR> /*<BR> ' HelloWorldResponseGET.jsp<BR> ' --------<BR> '<BR> ' 打印name的值.<BR> '<BR> */<br><br> response.setContentType("text/plain");<BR>%>
Copy after loginHello <%= request.getParameter("name") %> ,欢迎来到dojo世界!
Copy after login - Post
This method is to submit the data in the form. The corresponding html code of
is:dojo code is:<pre class="brush:php;toolbar:false"> <button dojoType="Button" widgetId="helloButton">Hello World!</button><br> <br><br> <form id="myForm" method="POST"><br> 请输入名称: <input type="text" name="name"><br> </form>
Copy after loginHere the content attribute is changed to the formNode attribute.<pre class="brush:php;toolbar:false"> function helloPressed()<br> {<br> dojo.io.bind({<br> url: 'HelloWorldResponsePOST.jsp',<br> handler: helloCallback,<br> formNode: dojo.byId('myForm')<br> });<br><br> }
Copy after login
The jsp code remains unchanged.
http://dojo.jot.com/WikiHome/Tutorials/HelloWorld

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











The latest trends in JavaScript include the rise of TypeScript, the popularity of modern frameworks and libraries, and the application of WebAssembly. Future prospects cover more powerful type systems, the development of server-side JavaScript, the expansion of artificial intelligence and machine learning, and the potential of IoT and edge computing.

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

JavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.

This article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base

I built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

The main uses of JavaScript in web development include client interaction, form verification and asynchronous communication. 1) Dynamic content update and user interaction through DOM operations; 2) Client verification is carried out before the user submits data to improve the user experience; 3) Refreshless communication with the server is achieved through AJAX technology.
