Bootstrap是美国Twitter公司的设计师Mark Otto和Jacob Thornton合作基于HTML、CSS、JavaScript 开发的简洁、直观、强悍的前端开发框架，使得 Web 开发更加快捷。本文主要讲述了一个简单实用的Bootstrap+PHP表单验证实例，非常适合初学者及js不熟悉者，还有ajax远程验证，感兴趣的朋友一起来了解一下吧。

js验证表单

 1 $(document).ready(function() {  2     $('#defaultForm')  3             .bootstrapValidator({  4                 message: 'This value is not valid',  5                 feedbackIcons: {  6                     valid: 'glyphicon glyphicon-ok',  7                     invalid: 'glyphicon glyphicon-remove',  8                     validating: 'glyphicon glyphicon-refresh'  9                 }, 10                 fields: { 11                     username: { 12                         message: 'The username is not valid', 13                         validators: { 14                             notEmpty: { 15                                 message: 'The username is required and can\'t be empty' 16                             }, 17                             stringLength: { 18                                 min: 6, 19                                 max: 30, 20                                 message: 'The username must be more than 6 and less than 30 characters long' 21                             }, 22                             /*remote: { 23                              url: 'remote.php', 24                              message: 'The username is not available' 25                              },*/ 26                             regexp: { 27                                 regexp: /^[a-zA-Z0-9_\.]+$/, 28                                 message: 'The username can only consist of alphabetical, number, dot and underscore' 29                             } 30                         } 31                     }, 32                     email: { 33                         validators: { 34                             notEmpty: { 35                                 message: 'The email address is required and can\'t be empty' 36                             }, 37                             emailAddress: { 38                                 message: 'The input is not a valid email address' 39                             } 40                         } 41                     }, 42                     password: { 43                         validators: { 44                             notEmpty: { 45                                 message: 'The password is required and can\'t be empty' 46                             } 47                         } 48                     } 49                 } 50             }) 51             .on('success.form.bv', function(e) { 52                 // Prevent form submission 53                 e.preventDefault(); 54  55                 // Get the form instance 56                 var $form = $(e.target); 57  58                 // Get the BootstrapValidator instance 59                 var bv = $form.data('bootstrapValidator'); 60  61                 // Use Ajax to submit form data 62                 $.post($form.attr('action'), $form.serialize(), function(result) { 63                     console.log(result); 64                 }, 'json'); 65             }); 66 });

推荐课程：Bootstrap视频教程

PHP远程验证用户名

1 $userName = $_POST['username']; 2  3 echo json_encode(array( 4     'message' => sprintf('Welcome %s', $userName), 5 ));

推荐课程：PHP视频教程

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