vue part5.2 vuex todolist 改写

代码

main部分

index.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <link rel="stylesheet" href="./static/css/bootstrap.css">
    <title>vue_demo</title>

    <style>
      .router-link-active {
        color: red !important;
      }
    </style>

  </head>

  <body>
    <div id="app">

    </div> <!--app -->
  </body>

</html>

View Code

src/base.css

body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(225, 225, 225, 0.2), 0 1px 2px rgba(0, 0, 0,0.15);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

View Code

src/main.js

/**
 * Created by infaa on 2018/9/19.
 */
import Vue from 'vue'
import App from './components/App'
import store from './store'
import './base.css'
/* eslint-disable no-new */

new Vue({
  el: '#app',
  render: h => h(App),
  store
})

View Code

工具部分

src/util/storageUtil.js

/**
 * Created by infaa on 2018/9/20.
 */
const TODO_KEY = 'todos_key'
export default {
  saveTodos (value) {
    window.localStorage.setItem(TODO_KEY, JSON.stringify(value))
  },
  readTodos () {
    return JSON.parse(window.localStorage.getItem(TODO_KEY) || '[]')
  }
}

View Code

store 部分（vuex）

src/store/action.js

/**
 * Created by infaa on 2018/9/22.
 */
import {ADD_TODO, DELETE_TODO, SELECT_ALL_TODOS, CLEAR_ALL_COMPLETED, RECEIVE_TODOS} from './mutation-types'
import storeageUtil from '../util/storageUtil'
export default {
  addTodo ({commit}, todo) {
    commit(ADD_TODO, {todo})
  },
  deleteTodo ({commit}, index) {
    commit(DELETE_TODO, {index})
  },
  selectAllTodos ({commit}, check) {
    commit(SELECT_ALL_TODOS, {check})
  },
  clearALLCompleted ({commit}) {
    commit(CLEAR_ALL_COMPLETED)
  },
  reqTodos ({commit}) {
    // 模拟异步获取延迟1秒
    setTimeout(() => {
      const todos = storeageUtil.readTodos()
      commit(RECEIVE_TODOS, todos)
    }, 1000)
  }
}

View Code

src/store/getters.js

/**
 * Created by infaa on 2018/9/22.
 */
export default {
  totalCount (state) {
    return state.todos.length
  },
  completeCount (state) {
    return state.todos.reduce((preTotal, todo) => {
      return preTotal + (todo.complete ? 1 : 0)
    }, 0)
  },
  isAllSelected (state, getters) {
    return getters.totalCount === getters.completeCount && state.todos.length > 0
  }
}

View Code

src/store/index.js

/**
 * Created by infaa on 2018/9/22.
 */
import Vue from 'vue'
import Vuex from 'vuex'
import state from './state'
import mutations from './mutations'
import actions from './actions'
import getters from './getters'

Vue.use(Vuex)

/* eslint-disable new-cap */

export default new Vuex.Store({
  state,
  mutations,
  actions,
  getters
})

View Code

src/store/mutation-types.js

/**
 * Created by infaa on 2018/9/22.
 * mutation 名称常量
 */
export const ADD_TODO = 'add_todo'
export const DELETE_TODO = 'delete_todo'
export const SELECT_ALL_TODOS = 'select_all_todos'
export const CLEAR_ALL_COMPLETED = 'clear_all_completed'
export const RECEIVE_TODOS = 'receive_todos' // 接收todos

View Code

src/store/mutation.js

/**
 * Created by infaa on 2018/9/22.
 */
import {ADD_TODO, DELETE_TODO, SELECT_ALL_TODOS, CLEAR_ALL_COMPLETED, RECEIVE_TODOS} from './mutation-types'
export default {
  [ADD_TODO] (state, {todo}) {
    state.todos.unshift(todo)
  },
  [DELETE_TODO] (state, {index}) {
    state.todos.splice(index, 1)
  },
  [SELECT_ALL_TODOS] (state, {check}) {
    state.todos.forEach(todo => (todo.complete = check))
  },
  [CLEAR_ALL_COMPLETED] (state) {
    state.todos = state.todos.filter(todo => (!todo.complete))
  },
  [RECEIVE_TODOS] (state, todos) {
    state.todos = todos
  }
}

View Code

src/store/state.js

/**
 * Created by infaa on 2018/9/22.
 */
export default {
  todos: []

}

View Code

组件部分

components/App.vue

<template>
<div class="todo-container">
    <div  class="todo-wrap">
      <TodoHeader></TodoHeader>
      <TodoList></TodoList>
      <TodoFooter></TodoFooter>
    </div>
  </div>
</template>

<script>
import TodoHeader from './TodoHeader.vue'
import TodoList from './TodoList.vue'
import TodoFooter from './TodoFooter.vue'
// import storageUtil from '../util/storageUtil.js'
export default {
  mounted () {
    // 发送命令到acitong，模拟异步获取todos数据，由action处理
    this.$store.dispatch('reqTodos')
  },
  components: {
    TodoHeader,
    TodoList,
    TodoFooter
  }
//  methods: {
//
//  },
//  watch: {
//    todos: {
//      deep: true,
//      handler: storageUtil.saveTodos
//    }
//
//  }
}
</script>

<style>
 .todo-container {
    width: 600px;
    margin: 0 auto;
    }
    .todo-container .todo-wrap {
      padding: 10px;
      border: 1px solid #ddd;
      border-radius: 5px;
    }
</style>

View Code

components/TodoFooter.vue

<template>
      <div class="todo-footer">
        <label>
          <input type="checkbox" v-model="isAllChecked">
        </label>
        <span>
          <span>已完成{{completeCount}}</span>/全部{{totalCount}}
        </span>
        <button class="btn btn-danger" v-show="completeCount" @click="clearALLCompleted">清除已完成任务</button>
      </div>
</template>

<script>
import {mapGetters, mapActions} from 'vuex'
export default {
  computed: {
    ...mapGetters(['totalCount', 'completeCount', 'isAllSeleted']),
    isAllChecked: {
      get () {
        return this.$store.getters.isAllSelected
      },
      set (value) {
        this.$store.dispatch('selectAllTodos', value)
      }
    }
  },
  methods: {
    ...mapActions(['clearALLCompleted'])
  }

}

</script>

<style>
  .todo-footer {
    height: 40px;
    line-height: 40px;
    padding-left: 6px;
    margin-top: 5px;
  }
  .todo-footer label {
    display: inline-block;
    margin-right: 20px;
    cursor: pointer;
  }
  .todo-footer label input {
    position: relative;
    top: -1px;
    vertical-align: middle;
    margin-right: 5px;
  }
  .todo-footer button {
    float: right;
    margin-top: 5px;
  }
</style>

View Code

components/TodoHeader.vue

<template>
      <div class="todo-header">
        <input type="text" placeholder="请输入你的任务名称，按回车键确认"
               v-model="inputTodo" @keyup.enter="addItem">
      </div>
</template>

<script>
export default {
  data () {
    return {
      inputTodo: ''
    }
  },
  methods: {
    addItem () {
      const title = this.inputTodo.trim()
      if (!title) {
        alert('title Kong')
        return
      }
      const todo = {
        title,
        complete: false
      }
      this.$store.dispatch('addTodo', todo)
      this.inputTodo = '' // 注意这里要操作this对象而不是函数内局部变量title
      // 验证合法性  生成对象  添加  还原
    }
  }
}

</script>

<style>
  .todo-header input {
    width: 560px;
    height: 28px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 7px;
  }
  .todo-header input:focus {
    outline: none;
    border-color: rgba(82, 168, 236, 0.8);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.75), 0 0 8px rgba(82, 168, 236, 0.5);
  }
</style>

View Code

components/TodoItem.vue

<template>
        <li :style="{background: bgColor}" @mouseenter="handleEnter(true)" @mouseleave="handleEnter(false)">
          <label>
            <input type="checkbox" v-model="todo.complete">
            <span>{{todo.title}}</span>
          </label>
          <button class="btn btn-danger" @click="deleteItem" v-show="isShow">删除</button>
        </li>
</template>

<script>
export default {
  props: {
    todo: Object,
    index: Number
  },
  data () {
    return {
      isShow: false,
      bgColor: 'white'
    }
  },
  methods: {
    deleteItem () {
      const index = this.index
      const todo = this.todo
      if (window.confirm(`删除${todo.title}`)) {
        this.$store.dispatch('deleteTodo', index)
      }
    },
    handleEnter (isEnter) {
      if (isEnter) {
        this.isShow = true
        this.bgColor = 'grey'
      } else {
        this.isShow = false
        this.bgColor = 'white'
      }
    }
  }
}

</script>

<style>
  /*item*/
  li {
    list-style: none;
    height: 36px;
    line-height: 36px;
    padding: 0 5px;
    border-bottom: 1px solid #ddd;
  }
  li label {
    /*float: left;*/
    cursor: pointer;
  }
  li label li input {
    vertical-align: middle;
    margin-right: 6px;
    position: relative;
    top: -1px;
  }
  li button {
    float: right;
    display: none;
    margin-top: 3px;
  }
  li:before {
    content: initial;
  }
  li:last-child {
    border-bottom: none;
  }
</style>

View Code

components/TodoList.vue

<template>
      <ul class="todo-main">
        <TodoItem v-for="(todo,index) in todos" :todo="todo" :key="index" :index="index"></TodoItem>
      </ul>
</template>

<script>
import {mapState} from 'vuex'
import TodoItem from './TodoItem.vue'
import storeageUtil from '../util/storageUtil'
export default {
  components: {
    TodoItem
  },
  computed: {
    ...mapState(['todos'])
  },
  watch: {
    todos: {
      deep: true,
      handler: storeageUtil.saveTodos
    }
  }
}

</script>

<style>
  .todo-main {
    margin-left: 0px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 0px;
  }
  .todo-empty {
    height: 40px;
    line-height: 40px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding-left: 5px;
    margin-top: 10px;
  }
</style>

View Code

posted @ 2018-09-22 23:37 EngineTang 阅读(350) 评论(0) 收藏举报

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infaaf

KEEP RUNNIG

vue part5.2 vuex todolist 改写

main部分

工具部分

store 部分（vuex）

组件部分

公告

infaaf

KEEP RUNNIG

vue part5.2 vuex todolist 改写

main部分

工具部分

store 部分 （vuex）

组件部分

公告

store 部分（vuex）