来源:脚本之家  责任编辑:小易  

Recent years have seen rising popularity of public square dancing among elder people in China,since it has provided them with a good platform to relax them and make new friends in their personal lives.However,others,young people in particular,have held complicated views towards it,which they argue have disturbed their normal lives.Therefore,how do you react to the topic?As for senior residents,the public square dancing is relatively easy to learn and thus wins their favor.Moreover,the celebrations of public square dancing doesn’e799bee5baa6e997aee7ad94e4b893e5b19e31333337383862t need special place,and all it need is an open ground and loudspeakers.As a result,it can be found across the country,regardless of city or village.In the meantime,a majority of young people have generally showed their discontent to the celebrations of public square dancing,which take place in their neighboring places and disturb their quiet life.In fact,it is the accompanying loud noisy along with public square dancing that draws the hatred from young people.Therefore,a mutual concession should be made by both sides on the ground that they live peace with each other.Public square dancers are expected to dance in a far distance away from residential communities and not disturb other’s lives with following noisy,while the young are called for to show tolerance to the spread of public square dancing because they will also become old one day or their moms may be one of dancers in the group which they dislike.In addition,the government should build suitable public spaces under their jurisdiction where the elder will hold their favorable activities,including public square dancingwww.zgxue.com防采集请勿采集本网。


do 只有如下才用to doing: be used to doing,习惯react to,作出反应 access to 接近,进入(某地的)方法;通路 according to 按照,依照,视…而定 be addicted to 沉溺于…,对…上瘾 look forward to

先赌为快:在线DEMO,感觉还不错点一下star  -_- ~

How do acids react on metals?酸对金属会起怎样的化学反应?An acid can react with a base to form a salt.酸和碱反应会产生盐。6.【军】反攻,反击 react【vt】的主要用法 使起(化学)反应;使发生相互作用


其实大家总说靠死记硬背XX to doing的词组去记这个东西,但我们都知道这个方式不靠谱。第一,一旦英语被这么大个东西拖累,英语学习将变得不确定、不可控、不轻松;第二、用的时候硬套,会很影响


By overcoming them 很高兴为你解答!老师祝你学习进步!望采纳,多谢你的问题!








7、双击可以编辑(有个坑:双击编辑内input的keyUp Enter保存会连带触发blur失去焦点保存。已解决:通过设置一个可以保存的状态控制)






// Todo.jsx内 //1 传递给子组件的回调函数,只要有心得内容传递过来,就更新当前的:list。list只要更新,通过props传递给TodoList的data就会更新,DOM就会新增一个选项列表 onAddSubmit(addTitle) { console.log("增加了:" + addTitle) let addItem = { title: addTitle, isFinished: false } this.state.list.unshift(addItem) this.setState({ list: this.state.list }) this._saveToSession() }// 通过props传递给子组件(等待使用)<TodoAdd onAddSubmit={this.onAddSubmit} />// TodoAdd.jsx// 2、點擊enter鍵:有值就確認增加 _onKeyUpEnter(e) { if (e.keyCode == 13) { this.confirmAddItem() } } // 3、失去焦點:有值就確認增加 _onBlurEnter(e) { this.confirmAddItem() } // 4、確認增加,调用父组件的回调函数,传递参数 confirmAddItem() { if (this.state.title) { this.props.onAddSubmit(this.state.title) //把新增的内容通过props传进来的回调函数告诉父组件Todo,有新的内容来了 // 置空當前 this.setState({ title: "" }) } }


// Todo.js 父模块import TodoAdd from "./TodoAdd"import TodoList from "./TodoList"class Todo { constructor() { this.list = [] this.TodoAdd = new TodoAdd({ // 父模块给子模块的回调 resetList: (content) => { if (content) { this._updateList(content) } } }) this.TodoList = new TodoList({ list: this.list, }) } _updateList(content) { this.list.push(content) // 调用子模块的方法更新内部列表 this.TodoList && this.TodoList._getNewList(this.list) }}module.exports = Todo// TodoAdd.js 新增子模块class TodoAdd { constructor({ resetList, }) { this.resetList = resetList } _onSubmit(str) { if (str) { // 1、告诉父模块新增了 this.resetList(str) } }}module.exports = TodoAdd// TodoList.js 列表子模块class TodoList { constructor({ list, }) { this.list = [] this._getNewList(list) } // 3、监听父模块是否要更新 _getNewList(newList) { this.list = newList // 其他操作 }}module.exports = TodoList

以上所述是小编给大家介绍的React中的todo-list ,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的!

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