Angular2编辑和更新视图
我正在尝试做CRUD应用程序。我的组件代码是Angular2编辑和更新视图,angular,angular2-template,angular2-forms,Angular,Angular2 Template,Angular2 Forms,我正在尝试做CRUD应用程序。我的组件代码是 import {Component} from 'angular2/core'; import {FormBuilder, Validators, ControlGroup} from 'angular2/common'; function emailValidator(control) { var EMAIL_REGEXP = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-
import {Component} from 'angular2/core';
import {FormBuilder, Validators, ControlGroup} from 'angular2/common';
function emailValidator(control) {
var EMAIL_REGEXP = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
if (!EMAIL_REGEXP.test(control.value)) {
return {invalidEmail: true};
}
}
function mobileValidator(control) {
var MOBIL_REGEXP = /^[0-9]{10}$/;
if(!MOBIL_REGEXP.test(control.value)){
return {invalidMobile: true};
}
}
@ComponeteEmployeeForm;
createEmployeeJson;
employees;
employeeCreate;
constructor(createForm: FormBuilder){
this.createEmployeeForm = createForm.group({
employeeName: ["", Validators.required],
employeeEmail: ["", Validators.compose([emailValidator])],
employeeMobile: ["", Validators.compose([mobileValidator])]
});
this.employees = [{ "employeeName": "asd", "employeeEmail": "asd@asd.com", "employeeMobile": "2342342323", "isEditable": false }];
this.employeeCreate = {};
}
createEmployee(){
console.log(this.employeeCreate)
this.createEmployeeJson = this.employeeCreate;
this.employeeCreate.isEditable = false;
this.employees.push(this.employeeCreate);
console.log(this.employeeCreate)
this.createEmployeeForm.controls["employeeName"].updateValue("")
this.createEmployeeForm.controls["employeeEmail"].updateValue("")
this.createEmployeeForm.controls["employeeMobile"].updateValue("")
}
makeEditable(data,index){
console.log(data)
data.isEditable = true;
}
updateEditedData(data,index){
data.isEditable = false;
}
}
component({
selector: 'crud',
templateUrl: 'app/components/CRUD-only-FE/CRUD-only-FE.html'
})
export class CRUDOnlyFE{
createEmployeeForm;
createEmployeeJson;
employees;
employeeCreate;
constructor(createForm: FormBuilder){
this.createEmployeeForm = createForm.group({
employeeName: ["", Validators.required],
employeeEmail: ["", Validators.compose([emailValidator])],
employeeMobile: ["", Validators.compose([mobileValidator])]
});
this.employees = [{ "employeeName": "asd", "employeeEmail": "asd@asd.com", "employeeMobile": "2342342323", "isEditable": false }];
this.employeeCreate = {};
}
createEmployee(){
console.log(this.employeeCreate)
this.createEmployeeJson = this.employeeCreate;
this.employeeCreate.isEditable = false;
this.employees.push(this.employeeCreate);
console.log(this.employeeCreate)
this.createEmployeeForm.controls["employeeName"].updateValue("")
this.createEmployeeForm.controls["employeeEmail"].updateValue("")
this.createEmployeeForm.controls["employeeMobile"].updateValue("")
}
makeEditable(data,index){
console.log(data)
data.isEditable = true;
}
updateEditedData(data,index){
data.isEditable = false;
}
}
我的HTML内容是
<h1>Create Employee</h1>
<form (ngSubmit)="createEmployee()" [ngFormModel]="createEmployeeForm" #create='ngForm' novalidate>
<input type="text" placeholder="Enter Employee Name" ngControl="employeeName" [(ngModel)]="employeeCreate.employeeName">
<span style="color:red">
<span *ngIf="create.form.controls.employeeName.touched && !create.form.controls.employeeName.valid">
Employee Name Required
</span>
</span>
<input type="text" placeholder="Enter Employee email" ngControl="employeeEmail" [(ngModel)]="employeeCreate.employeeEmail">
<span style="color:red">
<span *ngIf="create.form.controls.employeeEmail.touched && !create.form.controls.employeeEmail.valid">
Employee Email Required
</span>
</span>
<input type="text" placeholder="Enter Employee Mobile" ngControl="employeeMobile" [(ngModel)]="employeeCreate.employeeMobile">
<span style="color:red">
<span *ngIf="create.form.controls.employeeMobile.touched && !create.form.controls.employeeMobile.valid">
Employee Mobile Required
</span>
</span>
<button type="submit">Create</button>
</form>
<div *ngIf="employees">
<br>
<table class="table table-bordered">
<tr>
<th>Emp ID</th>
<th>Employee Name</th>
<th>Email</th>
<th>Mobile</th>
<th>Action</th>
</tr>
<tr *ngFor="#employee of employees #i=index">
<td>{{i+1}}</td>
<td [contentEditable]="employee.isEditable">{{employee.employeeName}}</td>
<td>{{employee.employeeEmail}}</td>
<td>{{employee.employeeMobile}}</td>
<td><button class="btn btn-xs btn-primary" (click)="makeEditable(employee,i)" *ngIf="!employee.isEditable">Edit</button><button class="btn btn-xs btn-primary" (click)="updateEditedData(employee,i)" *ngIf="employee.isEditable">Update</button></td>
</tr>
</table>
<pre>{{employees | json}}</pre>
</div>
创建员工
需要员工姓名
需要员工电子邮件
需要员工手机
创造
Emp ID
员工姓名
电子邮件
可移动的
行动
{{i+1}}
{{employee.employeeName}
{{employee.employeeEmail}
{{employee.employeeMobile}
编辑更新
{{employees | json}}
我有一个函数makeEditable(employee,index)
,它包含单行值和索引值。如果我做了data.isEditable=true
或this.employees[index].isEditable=true
,则输出为
为什么所有记录都在变化。根据概念,只需更改一条记录即可。请给我一些解决办法我想问题是
this.employeeCreate = {};
如果您不创建新员工实例,但始终使用此。employeeCreate,则每次单击都会对其进行修改并将其添加到此。employees。我已通过添加此代码解决了此问题
在
createEmployee
function中,这里有一个示例CRUD演示,其中包含Angular2,可能会有所帮助
this.employeeCreate = {};