付费网站搭建,html编辑器在哪里,淄博网站排名seo,常州网站推广机构vue3 简单的TodList 地址#xff1a; https://gitee.com/cheng_yong_xu/vue3-composition-api-todo-app-my
效果
step-1
初始化项项目 我们不采用vue cli 搭建项目
直接将上图文件夹#xff0c;复制到vscode编辑器#xff0c;清空App.vue的内容
安装包
# 安装包
npm…vue3 简单的TodList 地址 https://gitee.com/cheng_yong_xu/vue3-composition-api-todo-app-my
效果
step-1
初始化项项目 我们不采用vue cli 搭建项目
直接将上图文件夹复制到vscode编辑器清空App.vue的内容
安装包
# 安装包
npm i
# 启动
npm run servestep-2
先写样式结构
!-- src\App.vue --
templateh1ToDo App/h1formlabel for添加待办项/labelinput typetext namenewTodo autocompleteoff /button添 加/button/formh2待办列表/h2ullispan代办列表/spanbutton删 除/button/li/ul
/templatescript
export default {}
/scriptstyle langscss
$size1: 6px;
$size2: 12px;
$size3: 18px;
$size4: 24px;
$size5: 48px;
$backgroundColor: #27292d;
$primaryColor: #EC23F3;
$secondTextColor: #1f2023;$border: 2px solid rgba($color: white,$alpha: 0.35,);$textColor: white;
$border_r: 2px solid red;
$border_y: 2px solid rgb(241, 229, 50);
$border_g: 2px solid rgb(50, 241, 50);
$border_w: 2px solid white;body {margin: 0;padding: 0;font-family: Avenir, Helvetica, Arial, sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;background-color: $backgroundColor;color: $textColor;#app {max-width: 600px;margin-left: auto;margin-right: auto;padding: 20px;// border: $border_w;h1 {font-weight: bold;font-size: 28px;text-align: center;// border: $border_r;}form {display: flex;flex-direction: column;width: 100%;label {font-size: 14px;font-weight: bold;}input,button {height: $size5;box-shadow: none;outline: none;padding-left: $size2;padding-right: $size2;border-radius: $size1;font-size: 18px;margin-top: $size1;margin-bottom: $size2;transition: all 0.2s ease-in-out;/* 添加过渡效果使变化平滑 */}input {background-color: transparent;border: $border;color: inherit;}input:hover {border: 2px solid rgb(236, 35, 243);}button {cursor: pointer;background-color: rgb(236, 35, 243);border: 1px solid $primaryColor;font-weight: bold;color: white;border-radius: $size1;}}h2 {// border: $border_g;font-size: 22px;border-bottom: $border;padding-bottom: $size1;}ul {padding: 10px;li {display: flex;justify-content: space-between;align-items: center;border: $border;padding: 10px;border-radius: $size1;margin-bottom: $size2;span {cursor: pointer;}button {cursor: pointer;font-size: $size2;background-color: rgb(236, 35, 243);border: 1px solid $primaryColor;font-weight: bold;color: white;padding: 5px 15px;border-radius: $size1;}}}}
}
/stylestep-3
双向绑定数据
!-- src\App.vue --
templateh1ToDo App/h1form submit.preventaddTodo()label for添加待办项/labelinput typetext namenewTodo autocompleteoff v-modelnewTodo/button添 加/button/formh2待办列表/h2ullispan代办列表/spanbutton删 除/button/li/ul
/templatescript
import {ref } from vue;
export default {name: App,setup(){const newTodo ref();function addTodo(){if(newTodo.value){console.log(newTodo.value);}}return {newTodo,addTodo}}
}
/script step-4
定义数据并将数据变成响应式的 将数据持久化到本地
定义数据并将数据变成响应式的 script
import { ref } from vue;
export default {name: App,setup() {const newTodo ref();const defaultData ref([{done: false,content: 今天要学习Vue}]);const todos ref(defaultData);function addTodo() {if (newTodo.value) {todos.value.push({done: false,content: newTodo.value})}console.log(todos.value)}return {newTodo,addTodo}}
}
/script将数据持久化到本地
script
import { ref } from vue;
export default {name: App,setup() {const newTodo ref();const defaultData ref([{done: false,content: 今天要学习Vue}]);const todos ref(defaultData);function addTodo() {if (newTodo.value) {todos.value.push({done: false,content: newTodo.value})}saveData()console.log(sessionStorage.getItem(todos))}function saveData () {const storageData JSON.stringify(todos.value)sessionStorage.setItem(todos, storageData)}return {newTodo,addTodo}}
}
/scriptstep-5
渲染待办列表 h2待办列表/h2ulli v-for(todo, index) in todos :keyindexspan{{ todo.content }}/spanbutton删 除/button/li/ul点击文字划横线 点击删除从待办列表移除
!-- src\App.vue --
templateh1ToDo App/h1form submit.preventaddTodo()label for添加待办项/labelinput typetext namenewTodo autocompleteoff v-modelnewTodo /button添 加/button/formh2待办列表/h2ulli v-for(todo, index) in todos :keyindexspan:class{ done: todo.done }clicktodo.done !todo.done{{ todo.content }}/spanbutton clickremoveTodo(index)删 除/button/li/ul
/templatescript
import { ref } from vue;
export default {name: App,setup() {const newTodo ref();const defaultData ref([{done: false,content: 今天要学习Vue}]);const todos ref(defaultData);function addTodo() {if (newTodo.value) {todos.value.push({done: false,content: newTodo.value})newTodo.value }saveData()console.log(sessionStorage.getItem(todos))}function removeTodo(index) {todos.value.splice(index, 1)saveData()}function saveData() {const storageData JSON.stringify(todos.value)sessionStorage.setItem(todos, storageData)}return {newTodo,todos,addTodo,removeTodo}}
}
/script
style langscss
$size1: 6px;
$size2: 12px;
$size3: 18px;
$size4: 24px;
$size5: 48px;
$backgroundColor: #27292d;
$primaryColor: #EC23F3;
$secondTextColor: #1f2023;$border: 2px solid rgba($color: white,$alpha: 0.35,);$textColor: white;
$border_r: 2px solid red;
$border_y: 2px solid rgb(241, 229, 50);
$border_g: 2px solid rgb(50, 241, 50);
$border_w: 2px solid white;body {margin: 0;padding: 0;font-family: Avenir, Helvetica, Arial, sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;background-color: $backgroundColor;color: $textColor;#app {max-width: 600px;margin-left: auto;margin-right: auto;padding: 20px;// border: $border_w;h1 {font-weight: bold;font-size: 28px;text-align: center;// border: $border_r;}form {display: flex;flex-direction: column;width: 100%;label {font-size: 14px;font-weight: bold;}input,button {height: $size5;box-shadow: none;outline: none;padding-left: $size2;padding-right: $size2;border-radius: $size1;font-size: 18px;margin-top: $size1;margin-bottom: $size2;transition: all 0.2s ease-in-out;/* 添加过渡效果使变化平滑 */}input {background-color: transparent;border: $border;color: inherit;}input:hover {border: 2px solid rgb(236, 35, 243);}button {cursor: pointer;background-color: rgb(236, 35, 243);border: 1px solid $primaryColor;font-weight: bold;color: white;border-radius: $size1;}}h2 {// border: $border_g;font-size: 22px;border-bottom: $border;padding-bottom: $size1;}ul {padding: 10px;li {display: flex;justify-content: space-between;align-items: center;border: $border;padding: 10px;border-radius: $size1;margin-bottom: $size2;span {cursor: pointer;}.done {text-decoration: line-through;}button {cursor: pointer;font-size: $size2;background-color: rgb(236, 35, 243);border: 1px solid $primaryColor;font-weight: bold;color: white;padding: 5px 15px;border-radius: $size1;}}}h4 {text-align: center;opacity: 0.5;margin: 0;}}
}
/stylestep-6
目前我们的数据虽然存在本地但是我们使用的是内存中的数据应该使用本地的数据 关闭浏览器再打开看到的还是和关闭之前一样的数据
templateh1ToDo App/h1form submit.preventaddTodo()labelNew ToDo /labelinputv-modelnewTodonamenewTodoautocompleteoffbuttonAdd ToDo/button/formh2ToDo List/h2ulliv-for(todo, index) in todos:keyindexspan:class{ done: todo.done }clickdoneTodo(todo){{ todo.content }}/spanbutton clickremoveTodo(index)Remove/button/li/ulh4 v-iftodos.length 0Empty list./h4
/templatescriptimport { ref } from vue;export default {name: App,setup () {const newTodo ref();const defaultData [{done: false,content: Write a blog post}]const todosData JSON.parse(localStorage.getItem(todos)) || defaultData;const todos ref(todosData);function addTodo () {if (newTodo.value) {todos.value.push({done: false,content: newTodo.value});newTodo.value ;}saveData();}function doneTodo (todo) {todo.done !todo.donesaveData();}function removeTodo (index) {todos.value.splice(index, 1);saveData();}function saveData () {const storageData JSON.stringify(todos.value);localStorage.setItem(todos, storageData);}return {todos,newTodo,addTodo,doneTodo,removeTodo,saveData}}}
/scriptstyle langscss
$border: 2px solidrgba($color: white,$alpha: 0.35,);
$size1: 6px;
$size2: 12px;
$size3: 18px;
$size4: 24px;
$size5: 48px;
$backgroundColor: #27292d;
$textColor: white;
$primaryColor: #a0a4d9;
$secondTextColor: #1f2023;
body {margin: 0;padding: 0;font-family: Avenir, Helvetica, Arial, sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;background-color: $backgroundColor;color: $textColor;#app {max-width: 600px;margin-left: auto;margin-right: auto;padding: 20px;h1 {font-weight: bold;font-size: 28px;text-align: center;}form {display: flex;flex-direction: column;width: 100%;label {font-size: 14px;font-weight: bold;}input,button {height: $size5;box-shadow: none;outline: none;padding-left: $size2;padding-right: $size2;border-radius: $size1;font-size: 18px;margin-top: $size1;margin-bottom: $size2;}input {background-color: transparent;border: $border;color: inherit;}}button {cursor: pointer;background-color: $primaryColor;border: 1px solid $primaryColor;color: $secondTextColor;font-weight: bold;outline: none;border-radius: $size1;}h2 {font-size: 22px;border-bottom: $border;padding-bottom: $size1;}ul {padding: 10px;li {display: flex;justify-content: space-between;align-items: center;border: $border;padding: $size2 $size4;border-radius: $size1;margin-bottom: $size2;span {cursor: pointer;}.done {text-decoration: line-through;}button {font-size: $size2;padding: $size1;}}}h4 {text-align: center;opacity: 0.5;margin: 0;}}
}
/style
