【问题标题】:Editing table data in Angular 4在 Angular 4 中编辑表格数据
【发布时间】:2018-05-22 14:40:14
【问题描述】:

我只是想在 Angular 中显示、添加、删除和更新员工表。这是表格的图像:

到目前为止,我已禁用表格的每个字段。每当我点击“编辑”按钮时,我都希望启用相应行的字段,以便我可以直接编辑!

这是我的文件:

employee-data.component.ts

import { Component } from '@angular/core';
import { Employee } from './employee';
import { NgForm } from '@angular/forms';
import { promise } from 'selenium-webdriver';


@Component({
selector: 'employee-data',
templateUrl: './employee-data.component.html',
})

export class EmployeeDataComponent {

id: number;
name: string;
address: string;
gender: string;
company: string;

//emp: Employee[] = [];

employees: Employee[] = [
    {
        id: 1,
        name: 'Ram',
        address: 'Kupondole',
        gender: 'Male',
        company: 'XYZ Techno Sales'
    },
    {
        id: 2,
        name: 'Shyam',
        address: 'Baneshwor',
        gender: 'Male',
        company: 'ABC Enterprises'
    },
    {
        id: 3,
        name: 'Prashansha',
        address: 'Tripureshwor',
        gender: 'Female',
        company: 'MNO Inc'
    },
    {
        id: 4,
        name: 'Rita',
        address: 'Ghatthaghar',
        gender: 'Female',
        company: 'Subisu'
    }
];

addRow() {
    //prompt("Checking the control!");
    this.employees.push({
        id: this.id,
        name: this.name,
        address: this.address,
        gender: this.gender,
        company: this.company
    });
}

deleteEmployee(index) {

    this.employees.splice(index, 1);
}

editEmployee(index) {

    //code for editing

}

}

employee-data.component.html

<table border="1">
<thead>
    <tr>
        <td>Id</td>
        <td>Name</td>
        <td>Address</td>
        <td>Gender</td>
        <td>Company</td>
        <td>Action</td>
    </tr>
</thead>

<tbody>
    <tr *ngFor="let employee of employees; let i= index;">
        <td>
            <input type="number" min="1" [(ngModel)]="employee.id" disabled>
        </td>
        <td>
            <input type="text" [(ngModel)]="employee.name" disabled>
        </td>
        <td>
            <input type="text" [(ngModel)]="employee.address" disabled>
        </td>
        <td>
            <input type="text" [(ngModel)]="employee.gender" disabled>
        </td>
        <td>
            <input type="text" [(ngModel)]="employee.company" disabled>
        </td>
        <td>
            <div>
                <button (click)="editEmployee(i)">Edit</button>
                <button (click)="deleteEmployee(i)">Delete</button>
            </div>
        </td>
    </tr>
</tbody>
</table>
<hr>
<br>
<h1>Add an Employee</h1>

<form>
<div>
    <label>Id</label>
    <div>
        <input type="number" class="" name="id"
        [(ngModel)]="id" required />
    </div>
</div>

<div>
    <label>Name</label>
    <div>
        <input type="text" class="" name="name"
        [(ngModel)]="name" required />
    </div>
</div>
<div>
    <label>Address</label>
    <div>
        <input type="text" class="" name="address"
        [(ngModel)]="address" required />
    </div>
</div>
<div>
    <label>Gender</label>
    <div>
        <input type="text" class="" name="gender"
        [(ngModel)]="gender" required />
    </div>
</div>
<div>
    <label>Company</label>
    <div>
        <input type="text" class="" name="company"
        [(ngModel)]="company" required />
    </div>
</div>
<div>                               
    <div>
        <input type="submit" value="Submit" class=""
           (click)="addRow()" />
    </div>
</div>
</form>

如何编辑行?我正在使用 Angular 4

【问题讨论】:

  • 不确定这在这么多年后是否会有所帮助,但我建议使用单独的表格进行编辑和添加,因为这样可以降低复杂性。此外,我发现内联编辑存在风险,因为如果用户开始触发多行更新并且设计会由于内联字段而开始摇摆,则可能需要处理许多替代方案。我设计了一张桌子,可以使用抽屉一次专注于一行。我也为此做了一个指南。 You can find it here编辑

标签: angular data-binding


【解决方案1】:

您可以将isEditable 之类的属性与员工一起使用,并使用它来禁用或启用类似的编辑

<input type="text" [(ngModel)]="employee.name"  [disabled]="!employee.isEditable">

然后在点击编辑按钮时启用

<button (click)="employee.isEditable=!employee.isEditable" *ngIf="!employee.isEditable">Edit</button>

Check this demo

【讨论】:

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