/** 返回String類型的結果* 檢查用戶名的合法性,如果用戶已經存在，返回false，否則返回true(返回json數據，格式為{"valid",true})*/@RequestMapping(value = "/checkNameExistsMethod1", produces = "application/json;charset=UTF-8")public @ResponseBodyString checkNameValidMethod1(@RequestParam String name) {boolean result = true;List<Employee> lstEmployees = employeeService.getAllEmployees();for (Employee employee : lstEmployees) {if (employee.getName().equals(name)) {result = false;break;}}Map<String, Boolean> map = new HashMap<>();map.put("valid", result);ObjectMapper mapper = new ObjectMapper();String resultString = "";try {resultString = mapper.writeValueAsString(map);} catch (JsonProcessingException e) {e.printStackTrace();}return resultString;}

{"valid":false} //表示不合法，驗證不通過{"valid":true} //表示合法，驗證通過

$(function(){/* 文檔加載，執行一個函數*/$('#defaultForm').bootstrapValidator({message: 'This value is not valid',feedbackIcons: {/*input狀態樣式圖片*/valid: 'glyphicon glyphicon-ok',invalid: 'glyphicon glyphicon-remove',validating: 'glyphicon glyphicon-refresh'},fields: {/*驗證：規則*/username: {//驗證input項：驗證規則message: 'The username is not valid',validators: {notEmpty: {//非空驗證：提示消息message: '用戶名不能為空'},stringLength: {min: 6,max: 30,message: '用戶名長度必須在6到30之間'},threshold : 6 , //有6字符以上才發送ajax請求，（input中輸入一個字符，插件會向服務器發送一次，設置限制，6字符以上才開始）remote: {//ajax驗證。server result:{"valid",true or false} 向服務發送當前input name值，獲得一個json數據。例表示正確：{"valid",true} url: 'exist2.do',//驗證地址message: '用戶已存在',//提示消息delay : 2000,//每輸入一個字符，就發ajax請求，服務器壓力還是太大，設置2秒發送一次ajax（默認輸入一個字符，提交一次，服務器壓力太大）type: 'POST'//請求方式/**自定義提交數據，默認值提交當前input value* data: function(validator) {return {password: $('[name="passwordNameAttributeInYourForm"]').val(),whatever: $('[name="whateverNameAttributeInYourForm"]').val()};}*/},regexp: {regexp: /^[a-zA-Z0-9_/.]+$/,message: '用戶名由數字字母下劃線和.組成'}}},password: {message:'密碼無效',validators: {notEmpty: {message: '密碼不能為空'},stringLength: {min: 6,max: 30,message: '用戶名長度必須在6到30之間'},identical: {//相同field: 'password', //需要進行比較的input name值message: '兩次密碼不一致'},different: {//不能和用戶名相同field: 'username',//需要進行比較的input name值message: '不能和用戶名相同'},regexp: {regexp: /^[a-zA-Z0-9_/.]+$/,message: 'The username can only consist of alphabetical, number, dot and underscore'}}},repassword: {message: '密碼無效',validators: {notEmpty: {message: '用戶名不能為空'},stringLength: {min: 6,max: 30,message: '用戶名長度必須在6到30之間'},identical: {//相同field: 'password',message: '兩次密碼不一致'},different: {//不能和用戶名相同field: 'username',message: '不能和用戶名相同'},regexp: {//匹配規則regexp: /^[a-zA-Z0-9_/.]+$/,message: 'The username can only consist of alphabetical, number, dot and underscore'}}},email: {validators: {notEmpty: {message: '郵件不能為空'},emailAddress: {message: '請輸入正確的郵件地址如：123@qq.com'}}},phone: {message: 'The phone is not valid',validators: {notEmpty: {message: '手機號碼不能為空'},stringLength: {min: 11,max: 11,message: '請輸入11位手機號碼'},regexp: {regexp: /^1[3|5|8]{1}[0-9]{9}$/,message: '請輸入正確的手機號碼'}}},invite: {message: '邀請碼',validators: {notEmpty: {message: '邀請碼不能為空'},stringLength: {min: 8,max: 8,message: '請輸入正確長度的邀請碼'},regexp: {regexp: /^[/w]{8}$/,message: '請輸入正確的邀請碼(包含數字字母)'}}},}}).on('success.form.bv', function(e) {//點擊提交之后// Prevent form submissione.preventDefault();// Get the form instancevar $form = $(e.target);// Get the BootstrapValidator instancevar bv = $form.data('bootstrapValidator');// Use Ajax to submit form data 提交至form標簽中的action，result自定義$.post($form.attr('action'), $form.serialize(), function(result) {//do something...});});});