[JEECG technology blog] a simple example of JEECG explains the custom form functionA simple example of JEECG is provided to illustrate the custom form function.Please click here to vote for us, 2015 blog star. Please stay tuned for more sharingAuthor: Ren Jie http://blog.csdn.net/renjie0520/article/details/502865031. I
upload file directory.
Do the file upload and download the specific operation:
First, load the necessary jar packs: "Commons-fileupload-1.2.1.jar", "Commons-io-1.4.jar"
Steps:
0. Create the object of the Fileitemfactory subclass Diskfileitemfactory
1. In order to get the Servletfileupload object, first you need to get an object of fileitemfactory, and then call new Servletfileupload (Fileitemfactory fif); method to get the Servletfileupload object
2. In order to get a set of Fileitem, we
the required property is used in the field.Valid (valid) and invalid (invalid): Applies a different style depending on whether the control contains errors.In-range (within range) and Out-of-range (out of range): Determines whether an input value is out of range based on the Min and Max properties of the control.
For example, you want to apply a light yellow background to a required
input:required {Background-color:lightyellow;}Input:required:inval
In the actual application development, we will often use JS mode events, but sometimes encounter some problems, such as click events, for example, click the form outside the "submit" button to submit the form. Code on it.
Html:
Copy Code code as follows:
Javscript:
Copy Code code as follows:
After testing, Ie,ff,chr
We all know that we use a variety of input forms when submitting form. But not every type of input form is very simple to get in the document.getElementById way. Some combinations of the form are similar to checkbox or radio or select how do we get and get the submitted arguments in the server with JavaScript?
Say more useless, on the code:
Jsp-html Code:
Earlier I demonstrated the angular form validation example: Angularjs's Form validation example, in fact, we can use angular provided module messages for easier form validation,
The HTML code does not change, but we introduce the Angular-messages.js file and use the ng-m
JQuery. Form. js example of jQuery plug-in usage analysis (with demo sample source code), Google map api demo
This document describes the jQuery. Form. js usage of the jQuery plug-in. We will share this with you for your reference. The details are as follows:
I. jQuery. Form. js plug-in implements Ajax submission forms
Section 3rd Search Keywords
This form is a keyword searcher, the user enters the keyword and then presses the lookup button, and immediately finds the number of keywords in the top of the search text and displays it in the Find Results box, as shown in Figure 3.1:
Figure 3.1 The form interface
For example, in the keyword text box on the left, ent
The example of this article describes the method of JS to form verification. Share to everyone for your reference. The implementation methods are as follows:
1. Traditional form validation code
Copy Code code as follows:
function $ (ID) {
return document.getElementById (ID);
}
function Check () {
var email = $ ("email"). Value;
var password
This Site A search example
The code is as follows
Copy Code
Sometimes we need to click on a different button to submit the form to a different address, which requires JS to submit the form. Sometimes how to submit unsuccessful, quote JavaScript error JavaScript Error:submit is not a function solution is simple, check your
In php, there are several forms to submit data. one is post and get. next I will introduce php beginners in detail how to use get and post to receive data submitted by forms, friends who need to know
In php, there are several forms to submit data. one is post and get. next I will introduce php beginners in detail how to use get and post to receive data submitted by forms, for more information, see.
PHP $ _ GET and $ _ POST variables are used to obtain information in the
Multiple file uploads and individual file uploads are handled the same way, simply by providing several input forms of type "file" to the client and specifying different "name" property values. For example, in the following code, you can have the user select three local files to pass to the server together, and the client's form looks like this:
Copy Code code as follows:
Select File 1:Select
This article mainly introduces the form submission instance in the jquery plug-in EasyUI, which has some reference value. If you are interested, refer to passing parameters to the Controller using AJax, then, call the method on the server side to change the database. Today, a new method is submitted as a form, which saves the trouble of passing parameters through AJax.
After the
This article mainly introduces jQuery plug-in. form. js usage, combined with the instance form analysis of jQuery. form. js usage tips and related precautions. For more information about jQuery plug-in, see the following example. form. js usage. We will share this with you f
C#winform parent window inside panel container embedded subform, program main Form Design exampleIn the project development often encountered the parent form Embedded subform So wrote an example program, by the way probably divided the next interface module and color, the shortcomings also look at the guidanceThe main form
of this HTML file, such as "Jacky", and then click the OK button, it will jump to get. php, as shown in get. php.
The source code of get. php is as follows:
The code is as follows:
.
Obtain the data of the form control by taking the name value of the form control.
For example, "username" is the name value of the text input
In this example, only functions and functions of the JQuery class library are used, and third-party plug-ins are not required. In addition, all form information is sent to the Administrator using the PHPMailer class library email. If you are not familiar with JQuery's basic syntax, search for the tutorial resources on this site. If you are not familiar with PHPMailer usage, please refer to another article o
This article mainly introduces the form processing example in the Python Django framework. form processing is a basic operation in Django. if you need it, you can refer to the following example about books, authors, and publishing houses:
from django.db import modelsclass Publisher(models.Model): name = models.CharF
This article mainly introduces the form usage in the Yii framework. The example analyzes the implementation methods and related skills of form in Yii, which is very useful. For more information, see
This article mainly introduces the form usage in the Yii framework. The example
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