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Embeer.js ArrayProxy any()用法及代码示例


Ember.js 是一个开源 JavaScript 框架，用于开发基于 Model-View-Controller (MVC) 架构的大型客户端 Web 应用程序。 Ember.js是使用最广泛的前端应用框架之一。它的目的是加速开发并提高生产力。目前，它被大量网站使用，包括 Square、Discourse、Groupon、Linked In、Live Nation、Twitch 和 Chipotle。

any() 方法对数组中的每个项目执行一次回调，直到找到真值。

用法:

any( callback, target );

参数：

  • callback:该函数将调用列表中的每个元素。
  • target: 它是回调调用中的目标元素。

返回值：如果找到真值则返回 true，否则返回 false。

安装和运行 Ember.js 的步骤：

要运行以下示例，您需要有一个 ember 项目。要创建一个，您需要先安装ember-cli。在终端中写入以下代码：

npm install ember-cli

现在您可以通过输入以下代码来创建项目：

ember new <project-name> --lang en

要启动服务器，请键入：

ember serve

示例 1：键入以下代码以生成本示例的路由：

ember generate route any1

应用程序/路线/any1.js


import Route from '@ember/routing/route'; 
  
export default class FruitsRoute extends Route { 
    fruits = [ 
        { 
            'name': 'Lady Finger', 
            'isFruit': false, 
            'color': 'green'
        }, 
        { 
            'name': 'Brinjal', 
            'isFruit': false, 
            'color': 'purple'
        }, 
        { 
            'name': 'Apple', 
            'isFruit': true, 
            'color': 'red'
        }, 
        { 
            'name': 'Grapes', 
            'isFruit': true, 
            'color': 'green'
        }, 
        { 
            'name': 'Mango', 
            'isFruit': true, 
            'color': 'yellow'
        }, 
        { 
            'name': 'Watermelon', 
            'isFruit': true, 
            'color': 'red'
        }, 
        { 
            'name': 'Orange', 
            'isFruit': true, 
            'color': 'orange'
        } 
    ]; 
    item2; 
    item3; 
    hello(data) { 
        this.set('color', data); 
    } 
    init() { 
        this._super(...arguments); 
        this.fruits.addObserver('color', this, 'hello'); 
    } 
    model() { 
        this.init(); 
        return this.fruits; 
    } 
    setupController(controller, model) { 
        super.setupController(controller, model); 
        controller.set('fruits', this.fruits); 
        controller.set('item1', this.item1); 
        controller.set('item2', this.item2); 
        controller.set('item3', this.item3); 
    } 
}

应用程序/控制器/any1.js


import Ember from "ember"; 
import { addObject, isAny, isEvery } from "@ember/array"; 
  
export default Ember.Controller.extend({ 
    actions: { 
        anyColor(data) { 
            let foo = this.fruits.any((item) =>  
            item.color == data); 
            alert(foo ? `Yes Fruit of color ${data}  
                is present` : `No ${data} color fruit  
                    is not present`) 
        }, 
        anyName(data) { 
            let foo = this.fruits.any((item) =>  
            item.name == data); 
            alert(foo ? `Yes ${data} is present` :  
                `No ${data} is not present`) 
        }, 
    }, 
});

应用程序/模板/any1.hbs


{{page-title "Fruits"}} 
<h3>Here is a list of eatables: </h3> 
<table> 
    <tr> 
        <th>Name</th> 
        <th>Fruit</th> 
        <th>Color</th> 
    </tr> 
    {{#each @model as |detail|}} 
    <tr> 
        <td>{{detail.name}}</td> 
        <td>{{detail.isFruit}}</td> 
        <td>{{detail.color}}</td> 
    </tr> 
    {{/each}} 
</table> 
<br/><br/> 
  
<div> 
    <label>Search with Color: </label> 
      {{input value=this.item3}} 
</div> 
<div> 
    <input type="button"
    id="addFruit"
    value="Search"
    {{action "anyColor" this.item3 }}    > 
</div> 
<br/><br/> 
<div> 
    <label>Search with Name: </label> 
      {{input value=this.item2}} 
</div> 
<div> 
    <input type="button"
    id="addFruit"
    value="Search"
    {{action "anyName" this.item2 }}    > 
</div> 
{{outlet}}

输出：访问 localhost:4200/any1 查看输出

Ember.js ArrayProxy 任何方法

示例 2：键入以下代码以生成本示例的路由：

ember generate route any2

应用程序/路线/any2.js


import Route from '@ember/routing/route'; 
  
export default class DetailsRoute 
    extends Route { 
    details = [ 
        { 
            name: 'Aaksh', 
            mobile: '9811129967', 
            city: 'Delhi', 
            country: 'India', 
            gender: 'M', 
            zipCode: '800020', 
        }, 
        { 
            name: 'Sweta', 
            mobile: '9456712890', 
            city: 'Mumbai', 
            country: 'India', 
            gender: 'F', 
            zipCode: '400001', 
        }, 
        { 
            name: 'Satyam', 
            mobile: '2222222222', 
            city: 'Raipur', 
            country: 'India', 
            gender: 'M', 
            zipCode: '110012', 
        }, 
        { 
            name: 'Shandya', 
            mobile: '1122113322', 
            city: 'Bangalore', 
            country: 'India', 
            gender: 'F', 
            zipCode: '530068', 
        }, 
        { 
            name: 'Ayushi', 
            mobile: '2244668800', 
            city: 'Thana', 
            country: 'India', 
            gender: 'F', 
            zipCode: '302001', 
        }, 
    ]; 
    someMoreDetails = [ 
        { 
            name: 'Yogesh', 
            mobile: '1133557799', 
            city: 'Chennai', 
            country: 'India', 
            gender: 'F', 
            zipCode: '600001', 
        }, 
        { 
            name: 'Sunny', 
            mobile: '9911000000', 
            city: 'Masore', 
            country: 'India', 
            gender: 'M', 
            zipCode: '574142', 
        }, 
        { 
            name: 'Khushi', 
            mobile: '8888888888', 
            city: 'Pune', 
            country: 'India', 
            gender: 'F', 
            zipCode: '111045', 
        }, 
    ]; 
    city; 
    name; 
    code; 
    model() { 
        return this.details; 
    } 
    setupController(controller, model) { 
        super.setupController(controller, model); 
        controller.set('details', this.details); 
        controller.set('someMoreDetails', 
            this.someMoreDetails); 
        controller.set('city', this.city); 
        controller.set('code', this.code); 
        controller.set('name', this.name); 
    } 
}

应用程序/控制器/any2.js


import Ember from 'ember'; 
import { addObjects, shiftObject, setEach } 
    from '@ember/array'; 
  
export default Ember.Controller.extend({ 
    actions: { 
        checkCity(city) { 
            let foo = this.details.any((person) =>  
            person.city == this.city); 
            foo ? alert(`Yes Someone from ${city} is present`) 
                : alert(`No one from ${city} present`); 
        }, 
        checkName(name) { 
            let foo = this.details.any((person) => 
                person.name == this.name); 
            foo ? alert(`Yes Someone from ${name} is present`) 
                : alert(`No one from ${name} present`); 
        }, 
        checkCode(code) { 
            let foo = this.details.any((person) =>  
                person.zipCode == this.code); 
            foo ? alert(`Yes Someones details match  
                with ${code}`) : alert(`No one's 
                detail matched ${code}`); 
        }, 
    }, 
});

应用程序/模板/any2.hbs


{{page-title "Details"}} 
<h3>List of People: </h3> 
<br /><br /> 
<table> 
    <tr> 
        <th>Name</th> 
        <th>Gender</th> 
        <th>Mobile</th> 
        <th>City</th> 
        <th>Country</th> 
        <th>Zip Code</th> 
    </tr> 
    {{#each @model as |detail|}} 
    <tr> 
        <td>{{detail.name}}</td> 
        <td>{{detail.gender}}</td> 
        <td>{{detail.mobile}}</td> 
        <td>{{detail.city}}</td> 
        <td>{{detail.country}}</td> 
        <td>{{detail.zipCode}}</td> 
    </tr> 
    {{/each}} 
</table> 
  
<br /><br /> 
<div> 
    <label>Enter City: </label> 
    {{input value=this.city}} 
</div> 
<div> 
    <input type="button" id="check-city" 
        value="Check Anyone City match" 
        {{action 'checkCity' this.city}} /> 
</div> 
<br /><br /> 
<div> 
    <label>Enter zipCode: </label> 
    {{input value=this.code}} 
</div> 
<div> 
    <input type="button" id="check-code" 
        value="Check Anyone Zip-Code match" 
        {{action 'checkCode' this.code}} /> 
</div><br /><br /> 
<div> 
    <label>Enter Name: </label> 
    {{input value=this.name}} 
</div> 
<div> 
    <input type="button" id="check-name" 
        value="Check Anyone name match" 
        {{action 'checkName' this.name}} /> 
</div> 
{{outlet}}

输出：访问 localhost:4200/any2 查看输出

Ember.js ArrayProxy 任何方法

参考：https://api.emberjs.com/ember/4.4/classes/ArrayProxy/methods/destroy?anchor=any



相关用法


注：本文由纯净天空筛选整理自jeemains0neet大神的英文原创作品 Ember.js ArrayProxy any() Method。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。