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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Vue: Basic CRUD</title> <style> table { border-collapse: collapse; } th, td { padding: 0 0.5rem; border: 1px solid black; } </style> </head> <body> <div id="app"></div> <!-- <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> --> <script> const uuid = () => Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1); const ComponentA = { props: { props_saveStudent: { type: Function, }, student: Object, }, template: `<div> <button v-on:click="$emit('sendStudent',{ username:'',email:'',id:''})"> New Student </button><br /> <input type="text" placeholder="username" v-model="student.username" /><br /> <input type="text" placeholder="email" v-model="student.email" /><br /> <button @click="saveStudent">{{student.id ? 'Update Student':'Create Student'}} </button><br /><br /> </div>`, methods: { saveStudent() { if (!this.student.username || !this.student.email) return; this.props_saveStudent(this.student); } }, } const ComponentB = { data() { return { filter: "", } }, props: { props_listStudent: Array, props_deleteStudent: Function, }, template: `<div> <input type="text" placeholder="Search..." v-model="filter"> <button @click="filter=''">x</button> <table> <thead> <tr> <th>#</th> <th>User</th> <th>Email</th> <th>Actions</th> </tr> </thead> <tbody> <tr v-for="(item, index) in filterStudent" :key="index"> <td>{{index + 1}}</td> <td>{{item.username}}</td> <td>{{item.email}}</td> <td> <button @click="$emit('sendStudent', {...item})">Edit</button> <button @click="props_deleteStudent(item.id)">Delete</button> </td> </tr> </tbody> </table> </div>`, computed: { filterStudent() { return this.props_listStudent.filter(item => item.username.includes(this.filter)) } }, } const RootComponent = { template: `<component-a :student = "student" :props_saveStudent="saveStudent" @sendStudent="student=$event" /> <component-b :props_listStudent="listStudent" :props_deleteStudent="deleteStudent" @sendStudent="student=$event" />`, data() { return { student: { username: '', email: '', id: '' }, listStudent: [{ username: 'name-random', email: 'email-random', id: '123123' }], filter: "", } }, components: { "component-a": ComponentA, "component-b": ComponentB }, methods: { saveStudent(student) { if (!student.id) { student.id = uuid(); this.listStudent.push({ ...student }) } else { let find_student = this.listStudent.find(item => item.id == this.student.id); find_student.username = this.student.username; find_student.email = this.student.email; } this.student = { username: '', email: '', id: '' }; }, deleteStudent(id) { this.listStudent = this.listStudent.filter(item => item.id !== id) }, }, } Vue.createApp(RootComponent).mount("#app") </script> </body> </html> |
CRUD – StudentList in multiple Component
Author: admin - Posted: 01/10/22 - Update: 03/11/22
