小编Ale*_*Man的帖子

我已经使用ckeditor插件在angularjs中创建了一个应用程序,我已经为ckeditor创建了一个指令,该应用程序工作正常,但问题是我需要将最大字符长度设置为50,所以我放了maxlength="50",但它不起作用,

任何人都可以告诉我一些解决方案

的jsfiddle

HTML

<div data-ng-app="app" data-ng-controller="myCtrl">

<h3>CKEditor 4.2:</h3>
    <div ng-repeat="editor in ckEditors">
    <textarea data-ng-model="editor.value" maxlength="50" data-ck-editor></textarea>
    <br />
    </div>
    <button ng-click="addEditor()">New Editor</button>
</div>

脚本

var app = angular.module('app', []);

app.directive('ckEditor', [function () {
    return {
        require: '?ngModel',
        link: function ($scope, elm, attr, ngModel) {

            var ck = CKEDITOR.replace(elm[0]);

            ck.on('pasteState', function () {
                $scope.$apply(function () {
                    ngModel.$setViewValue(ck.getData());
                });
            });

            ngModel.$render = function (value) {
                ck.setData(ngModel.$modelValue);
            };
        }
    };
}])

function myCtrl($scope){
    $scope.ckEditors = [{value: ''}];
}

我使用cropper.js创建了一个用于裁剪图像的应用程序,应用程序正在运行并且图像正在裁剪但我无法看到预览,我的预览div在裁剪时没有正确填充任何内容.我的代码如下所示

任何人都可以告诉我一些解决方案

Plunker

脚本

 var $image = $('.img-container > img'),
    $dataRotate = $('#dataRotate'),
    options = {
       modal: true,
       guides: true,
       autoCrop: false,
       dragCrop: true,
       movable: true,
       resizable: true,
       zoomable: false,
       touchDragZoom: false,
       mouseWheelZoom: false,
       preview: '.preview',
      crop: function (data) {
        $dataRotate.val(Math.round(data.rotate));
      }
    };

任何人都可以告诉我如何做一个区分大小写的过滤器而不使用angularjs中的用户定义的过滤器,看到这里我想打印所有的名称除外john,但当我把filter:{item: '!john'}它删除john,johnmathew以及johnny,但我只john需要删除.

HTML

<div ng-app='myApp' ng-controller="Controller">
    <div ng-repeat="val in items | filter:{item: '!john'}">{{val.item}}</div>
</div>

脚本

var app = angular.module('myApp', []);
app.controller('Controller', function ($scope) {

    $scope.items = [{
        item: 'john'
    }, {
        item: 'sunny'
    }, {
        item: 'johnmathew'
    }, {
        item: 'lenu'
    }, {
        item: 'binu'
    }, {
        item: 'johnny'
    }];
});

的jsfiddle

如何为Rectangular编写茉莉花测试,如下所示

脚本

$scope.allEmployees = [{
            visible: true,
            empId: "EMP148"
 }];

$scope.employeeDocuments = {  "EMP148": [{
                                        "empId": "EMP148",
                                        "department": "Sales",
                                        "firstName": "Manu",
                                        "lastName": "Mathew",
                                        "place": "Kolkata"
                                        }]
                           };

var employeesCopy = angular.copy($scope.allEmployees);
$scope.allEmployees.push({visible: true, empId: "EMP489"});  

$scope.addEmployees = function (employeesCopy) {
    var newEmployee = {visible: true, empId: "EMP489"};
    var emplyeeList = {
        employees: $scope.allEmployees,
        newEmployee: newEmployee
    };
    Restangular.all('emp/getEmployees').post(emplyeeList).then(function (employees) {
        if (!_.isEmpty(employees[emplyeeList.newEmployee.empId])) {
            if ($scope.employeeDocuments.hasOwnProperty(emplyeeList.newEmployee.empId)) {
                delete $scope.employeeDocuments[emplyeeList.newEmployee.empId];
            }
            $scope.employeeDocuments[emplyeeList.newEmployee.empId] = employees[emplyeeList.newEmployee.empId];
            setMyEmployees(true);
            $scope.flag = true;
            console.log("success");
        } else {
            $scope.employeeDocuments …

我所看到的BiConsumer，BiPredicate，BiFunction但不能BiSupplier或类似。我尝试了下面的代码，但有一个异常说：

“在 BiSupplier 中发现的多个非覆盖抽象方法”。

@FunctionalInterface
public interface BiSupplier<T, R> {

    /**
     * Gets a first.
     *
     * @return a first
     */
    T getFirst();


    /**
     * Gets a second.
     *
     * @return a second
     */
    R getSecond();
}

可以请一些人帮我解决这个问题。

我已经创建了一个应用程序是angularjs,其中我有一个指令,我正在指令中的一个监视器,当$ rootScope变量发生更改时触发指令中的某些方法,但问题是当$ rootScope.name值被更改指令内的手表不起作用

我的代码如下所示

工作演示

var module = angular.module('myapp', []);

module.controller("TreeCtrl", function($scope, $rootScope) {
    $scope.treeFamily = {
        name : "Parent"
    };

    $scope.changeValue = function()
    {
        $rootScope.name = $scope.userName;
    };

});

module.directive("tree", function($compile) {
    return {
        restrict: "E",
        transclude: true,
        scope: {},
        template:'<div>sample</div>',
        link : function(scope, elm, $attrs) {
           function update()
           {
           };
           scope.$watch('name', function(newVal, oldVal) {
                console.log('calling');
               update();
            }, true);
        }
    };
});

我为下拉框创建了一个angularjs指令,该指令工作正常,但问题是当我复制指令时,两者同时打开,选择和关闭

<div ng-app='myApp' ng-controller="Controller">
    <drop-down></drop-down>
    <br> <br> <br> <br> <br> <br>
    <drop-down></drop-down>
</div>

任何人都可以告诉我一些解决方案

的jsfiddle

我有两个函数调用 Employee 和 Address DAO 类，我在其中检查员工姓名或地址是否已被使用

为了使检查和抛出异常通用，我创建了以下通用函数

checkOrElseThrow在CommonUtil.java

public static <R, C, T extends Throwable> R checkOrElseThrow(R rtn, C chk, Supplier<? extends T> ex) throws T
{
    if (chk != null)
    {
        throw ex.get();
    }
    return rtn;
}

上面的通用函数在EmployeeDAO.java和AddressDAO.java 中被调用，如下所示

checkAndReturnEmployee在EmployeeDAO.java

public Employee checkAndReturnEmployee(Employee employee) {
    return checkOrElseThrow(
        employee,
        employee.getAddressName(),
        () -> new EntityNotFoundException("Employee already in use for another address"));
}

checkAndReturnAddress在AddressDAO.java

public Address checkAndReturnAddress(Address address) {
    return checkOrElseThrow(
        address, …

public void setQueryTimeout(int queryTimeout)我想知道我们需要传入的值的类型是什么jdbcTemplate。文件说

> Set the query timeout for statements that this JdbcTemplate executes.
> <p>Default is -1, indicating to use the JDBC driver's default (i.e. to
> not pass a specific query timeout setting on the driver). <p>Note: Any
> timeout specified here will be overridden by the remaining transaction
> timeout when executing within a transaction that has a timeout
> specified at the transaction level. @see
> java.sql.Statement#setQueryTimeout

想知道queryTimeout是否是milliseconds， …

我看到很多人@Autowired在构造函数中使用注释来注入依赖项，如下所示

@Service
public class Employee {

 private EmployeeService employeeService;
 
 @Autowired
 public Employee(EmployeeService employeeService) {
   this.employeeService = employeeService;
 }
 :
 :
}

据我所知，现在 Spring 非常先进，Spring 构造函数/setter DI 即使没有@Autowired如下所示也能工作

@Service
public class Employee {

 private EmployeeService employeeService;

 public Employee(EmployeeService employeeService) {
   this.employeeService = employeeService;
 }
 :
 :
}

想知道人们是否有任何理由使用@Autowired注释来注释构造函数以注入依赖项。

有人可以帮我解决这个问题吗