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Form checking is a very common type of requirement in page development and is believed to be experienced by every front-end developer. There are a lot of mature form verification framework on the Internet, although it doesn't have much problem with the default design, but in practice, the form checksum can have more complex personalization requirements, so we can
Vertical arrangement:
Horizontal arrangement:
Note: The checkbox is placed in a container named ". CheckBox" along with the label label, and the radio is placed in a container named ". Radio" along with the label label.
3.Bootstrap Form Control state
1) Focus State
The focus state is implemented by adding a class name Form-control
The contents of the field are valid
$invalid
The contents of the field are illegal
$pristine
form does not fill in records
Example (using mailbox as an example + regular expression introducing Angular+bootstrap)ng Regular expression notation:Ng-pattern= "/^ ([a-za-z0-9_\.\-]) +\@ (([a-za-z0-9\-]) +\.) + ([a
Form verification is used in many places, before learning angular, I think form validation is a very troublesome thing, need to write a lot of code in JS, but in angular, only need to write very little code to complete the previous needs a lot of code to complete things.In
:
Formname.inputfieldname. $error
If the validation fails, the value of this property is true, and if the value is false, the value of the input field is validated.
Here we test these validation instructions:
The effect is as follows:
At the same time, ng for these kinds of authentication directives, targeted to set some CSS style
) { console.info (model);};Using Ng-change4. Verify the style of the resultWhen the edit item is validated, ANGULARJS will add the appropriate style to the edited item, with the result of the validation.
. ng-pristine
Ng-dirty
Ng-valid
Ng-invalid
You can use these styles to modify the editing items.5. Display error messageThe error message can be pre-added to the corresponding location of the page, not displayed by default
access this propertyFormname.inputfieldname. $errorIf the validation fails, the value of this property is true, and if the value is false, the value of the input field is validated.Here we test these validation instructions:Press CTRL + C to copy the codePress CTRL + C to copy the codeThe effect is as follows:At the same time, Ng has set some CSS styles for these kinds of verification instructions.They inc
\ Yii\bootstrap\activeform::validate ($model); It is best to perform $model->load (Yii:: $app->request->post ()) when there is data submission; Operation, do not do extra processing, and then Judge Ajax, otherwise Ajax validation may error 500. If there is a verification code, there is another problem: return \yii\bootstrap\activeform::validate ($model); this va
Angular has encapsulated the HTML native form, adding a lot of validation features1. Code structure2. If you want to use angular form validation, first make sure that the form must have
access this propertyFormname.inputfieldname. $errorIf the validation fails, the value of this property is true, and if the value is false, the value of the input field is validated.Here we test these validation instructions:The effect is as follows:At the same time, Ng has set some CSS styles for these kinds of verification instructions.They include:. ng-valid { }.ng-invalid { }.ng-pristine
-inline or. Radio-inline class for a series of check boxes and radio boxes to control that they appear on the same line.
The following examples demonstrate both types (default and inline):
The results are as follows:
check boxes and radio buttons
Use the selection box when you want users to choose from multiple options, but only one option is selected by default.
Use the
Use multiple= "multiple" to allow users to select multiple options.
The following examples demonstrate both
Foreword: To do the web development of us, form verification is again common but the demand. Friendly error hints can increase the user experience. Bo Master Search Bootstrap form verification, the results are mostly the theme of the article: Bootstrapvalidator. Let's see how it's used today.First, source code and API addressBefore you introduce it, give it the s
access this propertyFormname.inputfieldname. $errorIf the validation fails, the value of this property is true, and if the value is false, the value of the input field is validated.Here we test these validation instructions:The effect is as follows:At the same time, Ng has set some CSS styles for these kinds of verification instructions.They include:. ng-valid { }.ng-invalid { }.ng-pristine { }.ng-dirty
access this propertyFormname.inputfieldname. $errorIf the validation fails, the value of this property is true, and if the value is false, the value of the input field is validated.Here we test these validation instructions:The effect is as follows:At the same time, Ng has set some CSS styles for these kinds of verification instructions.They include:. ng-valid { }.ng-invalid { }.ng-pristine
convert the input values, or set the legitimacy of the form through the $setValidity () function.Using $parsers arrays is one way to implement custom validation.For example, suppose we want to make sure that the input value is between a number of values, and that a new function can be stacked in the $parsers array, and this function is called in the validation chain.The value returned by each $parser is pa
control to view the effect. Checksum statusBootstrap defines a style for the validation state of a form control, such as the error, warning, and success states. When used, Add. has-warning,. Has-error, or. has-success to the parent element of these controls. Any. Control-label,. Form-control, and. Help-block that are contained within this element will accept the
. Radio-inline class for a series of check boxes and radio boxes to control that they appear on the same line.
4. Selection box (SELECT)
Use the Use multiple= "multiple" to allow users to select multiple options.
5. Static controls
When you want to place plain text behind a form label in a horizontal form, use class. Form-control-sta
itself is block.
So it's unprofessional to wrap multiple radio boxes or check boxes with a label (haha). Also, a lot of is also very not beautiful. So, here's the second way.
Form validation
Has-success: Success, Green.
Has-warning: Warning, yellow.
Has-error: Wrong, red.
Add the corresponding style to "Form-group". For better verification, w
Angularjs Form Validation issues1 You can use ANGULARJS to bring your own verification, (required fields, email, url) using the method:通过myForm.personEmail.$valid是否为true 即可判断是否通过验证。具体是哪类错误可以通过demo:myForm.personEmail.$error错误信息的显示demo: Name="MyForm"> Name="Personemail" Required Type="Email" Ng-model= "Person.email" /> ng-show=> error ng-show= " Myform.personemail. $error. Required "> must be filled ng-s
One, Focus stateThe focus state is implemented through the pseudo class: focused. The focus state of the form control in the bootstrap frame removes the outline default style and adds the shadow effect again.
Second, disabled statusThe disabled state of the form control for the bootstrap framework is the
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