Bootstrap Validator表单验证插件

引入必要文件

<link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap-theme.css" rel="stylesheet">
<link href="https://cdn.bootcss.com/jquery.bootstrapvalidator/0.5.3/css/bootstrapValidator.min.css" rel="stylesheet">
...
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdn.bootcss.com/jquery.bootstrapvalidator/0.5.3/js/bootstrapValidator.min.js"></script>

HTML编写

<form id="defaultForm" method="post" class="form-horizontal" action="target.php">
    <div class="form-group">
        <label class="col-lg-3 control-label">Full name</label>
        <div class="col-lg-4">
            <input type="text" class="form-control" name="firstName" placeholder="First name" />
        </div>
        <div class="col-lg-4">
            <input type="text" class="form-control" name="lastName" placeholder="Last name" />
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Username</label>
        <div class="col-lg-5">
            <input type="text" class="form-control" name="username" />
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Email address</label>
        <div class="col-lg-5">
            <input type="text" class="form-control" name="email" />
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Password</label>
        <div class="col-lg-5">
            <input type="password" class="form-control" name="password" />
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Retype password</label>
        <div class="col-lg-5">
            <input type="password" class="form-control" name="confirmPassword" />
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Gender</label>
        <div class="col-lg-5">
            <div class="radio">
                <label>
                    <input type="radio" name="gender" value="male" /> Male
                </label>
            </div>
            <div class="radio">
                <label>
                    <input type="radio" name="gender" value="female" /> Female
                </label>
            </div>
            <div class="radio">
                <label>
                    <input type="radio" name="gender" value="other" /> Other
                </label>
            </div>
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Birthday</label>
        <div class="col-lg-5">
            <input type="text" class="form-control" name="birthday" /> (YYYY/MM/DD)
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Languages</label>
        <div class="col-lg-5">
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="languages[]" value="english" /> English
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="languages[]" value="french" /> French
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="languages[]" value="german" /> German
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="languages[]" value="russian" /> Russian
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="languages[]" value="other" /> Other
                </label>
            </div>
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label">Programming Languages</label>
        <div class="col-lg-5">
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="net" /> .Net
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="java" /> Java
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="c" /> C/C++
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="php" /> PHP
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="perl" /> Perl
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="ruby" /> Ruby
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="python" /> Python
                </label>
            </div>
            <div class="checkbox">
                <label>
                    <input type="checkbox" name="programs[]" value="javascript" /> Javascript
                </label>
            </div>
        </div>
    </div>

    <div class="form-group">
        <label class="col-lg-3 control-label" id="captchaOperation"></label>
        <div class="col-lg-2">
            <input type="text" class="form-control" name="captcha" />
        </div>
    </div>

    <div class="form-group">
        <div class="col-lg-9 col-lg-offset-3">
            <button type="submit" class="btn btn-primary" name="signup" value="Sign up">Sign up</button>
            <button type="submit" class="btn btn-primary" name="signup2" value="Sign up 2">Sign up 2</button>
            <button type="button" class="btn btn-info" id="validateBtn">Manual validate</button>
            <button type="button" class="btn btn-info" id="resetBtn">Reset form</button>
        </div>
    </div>
</form>

JS编写

<script type="text/javascript">
    $(document).ready(function() {
        function randomNumber(min, max) {
            return Math.floor(Math.random() * (max - min + 1) + min);
        };
        $('#captchaOperation').html([randomNumber(1, 100), '+', randomNumber(1, 200), '='].join(' '));

        // 验证表单的规则
        $('#defaultForm').bootstrapValidator({
            live: 'enabled',
            message: '输入的值无效',
            feedbackIcons: {
                valid: 'glyphicon glyphicon-ok',
                invalid: 'glyphicon glyphicon-remove',
                validating: 'glyphicon glyphicon-refresh'
            },
            fields: {
                firstName: {
                    group: '.col-lg-4',
                    validators: {
                        notEmpty: {
                            message: '不能为空'
                        }
                    }
                },
                lastName: {
                    group: '.col-lg-4',
                    validators: {
                        notEmpty: {
                            message: '不能为空'
                        }
                    }
                },
                username: {
                    message: '用户名无效',
                    validators: {
                        notEmpty: {
                            message: '请输入用户名'
                        },
                        stringLength: {
                            min: 6,
                            max: 30,
                            message: '用户名长度在 6-30 个字符之间'
                        },
                        regexp: {
                            regexp: /^[a-zA-Z0-9_\.]+$/,
                            message: '用户名包含特殊字符'
                        },
                        remote: {
                            type: 'POST',
                            url: 'remote.php',
                            message: '用户名不可用'
                        },
                        different: {
                            field: 'password, confirmPassword',
                            message: '用户名和密码不能相同'
                        }
                    }
                },
                email: {
                    validators: {
                        emailAddress: {
                            message: '请输入正确的邮箱格式'
                        }
                    }
                },
                password: {
                    validators: {
                        notEmpty: {
                            message: '请输入密码'
                        },
                        identical: {
                            field: 'confirmPassword',
                            message: '两次密码必须输入一致'
                        },
                        different: {
                            field: 'username',
                            message: '用户名和密码不能相同'
                        }
                    }
                },
                confirmPassword: {
                    validators: {
                        notEmpty: {
                            message: '请确认密码'
                        },
                        identical: {
                            field: 'password',
                            message: '两次密码必须输入一致'
                        },
                        different: {
                            field: 'username',
                            message: '用户名和密码不能相同'
                        }
                    }
                },
                birthday: {
                    validators: {
                        date: {
                            format: 'YYYY/MM/DD',
                            message: '请输入正确的邮箱格式'
                        }
                    }
                },
                gender: {
                    validators: {
                        notEmpty: {
                            message: '请选择一个性别'
                        }
                    }
                },
                'languages[]': {
                    validators: {
                        notEmpty: {
                            message: '至少选择一个语言'
                        }
                    }
                },
                'programs[]': {
                    validators: {
                        choice: {
                            min: 2,
                            max: 4,
                            message: '请选择 2-4 个编程语言'
                        }
                    }
                },
                captcha: {
                    validators: {
                        callback: {
                            message: '错误的答案',
                            callback: function(value, validator) {
                                var items = $('#captchaOperation').html().split(' '), sum = parseInt(items[0]) + parseInt(items[2]);
                                return value == sum;
                            }
                        }
                    }
                }
            }
        }).on('success.form.bv', function(e) {
            // 设定默认提交方式，防止重复提交
            e.preventDefault();

            // 提交表单逻辑
            // $.ajax( ... );
        });

        // 验证表单
        $('#validateBtn').click(function() {
            $('#defaultForm').bootstrapValidator('validate');
            $("#modal_form").data("bootstrapValidator").isValid(); // 验证表单状态，成功返回true失败返回false
        });

        // 重置表单验证
        $('#resetBtn').click(function() {
            $('#defaultForm').data('bootstrapValidator').resetForm(true);
        });
    });
</script>