How to validate mailboxes asynchronously by thinkphp5

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TP5 uses bootstrapvalidator to asynchronously verify mailboxes

Js verification / * Created by HONGXIN on 2017-10-23. * / $(function () {$('form') .bootstrapValidator ({message:' This value is not valid', feedbackIcons: {valid: 'glyphicon glyphicon-ok', invalid:' glyphicon glyphicon-remove', validating: 'glyphicon glyphicon-refresh'}, live:' disabled',// after verification fails The submit button is still optional fields: {email: {message: 'username verification failed', / / default verbose: false, validators: {notEmpty: {message: 'mailbox cannot be empty'} EmailAddress: {message: 'incorrect email address format'}, remote: {url:'/ ajax_email', message: "this mailbox is already registered", type: "post" DataType: 'json', data: {/ / what is passed by default is the value of the input box}, delay: 500 penalty / delay effect},}} Password: {validators: {notEmpty: {message: 'email address cannot be empty'}, stringLength: {min: 6, max: 18 Message: 'user name must be between 6 and 18 digits'} Password2: {validators: {notEmpty: {message: 'confirm that the password cannot be empty'}, identical: {field: 'password' Message: 'password must be the same twice'}, username: {validators: {notEmpty: {message: 'user name cannot be empty'} StringLength: {min: 2, max: 8, message: 'username length must be between 2 and 8 digits'}}) }); TP5 processes public function ajax_email () {/ / the message can be empty, which replaces the message attribute echo json_encode of JS verification (['valid'= > false,'message'= >' incorrect verification code']);} js verifies several points for attention

Verbose: false, which means that js authentication is legal and then asynchronous background verification is performed to reduce server pressure.

Data: {}, the value of the input box is passed by default, so you don't have to write this property, or you can leave it empty.

Pay attention to the background.

Notice it's not return, it's echo.

Returns the json format {'valid':true [,' message':' successful']}

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