vue.js-UI/單筆資料更新小試
單筆record:更新/查詢狀態下input依不同模式調整class
by cactus77kiki
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.12/vue.min.js"></script>
<div id="app">
<h2>Todos:</h2>
<ol>
<li v-for="todo in todos">
<label>
<input type="checkbox"
v-on:change="toggle(todo)"
v-bind:checked="todo.done">
<del v-if="todo.done">
{{ todo.text }}
</del>
<span v-else>
{{ todo.text }}
</span>
</label>
</li>
</ol>
<br/>
<h4>
tables:
{{todos}}
</h4>
<input type="button" value="Add" class="genstyle" v-on:click="addrow">
<table>
<thead>
<tr>
<td>seq</td>
<td colspan="3">content</td>
</tr>
</thead>
<tbody v-for="(row,index) in todos">
<tr>
<td>
<input type="text" v-bind:value="index+1" size="1px" class="noneborder">
<input type="checkbox" v-bind:checked="row.done" v-on:change="toggle(row)" v-bind:disabled="!row.editing">
<!--<input type="text" v-model="row.text" v-bind:class="{'noneborder' : !row.editing}" v-bind:readonly="!row.editing">-->
<span v-if="!row.editing" style="width:200px;display: inline-block;">{{row.text}}</span>
<span v-else>
<input type="text" v-model="row.text" style="width:193px;">
</span>
<span v-if="!row.editing">
<input type="button" value="Edit" style="width:60px;" v-on:click="changemode(row)">
</span>
<span v-else>
<input type="button" value="Confirm" style="width:60px;" class="genstyle" v-on:click="updaterow(row)">
<input type="button" value="Cancel" style="width:60px;" class="genstyle" v-on:click="cancelupdate(row,index)">
</span>
</td>
</tr>
</tbody>
</table>
CSS
body {
background: #20262E;
padding: 20px;
font-family: Helvetica;
}
#app {
background: #fff;
border-radius: 4px;
padding: 20px;
transition: all 0.2s;
}
li {
margin: 8px 0;
}
h2 {
font-weight: bold;
margin-bottom: 15px;
}
del {
color: rgba(0, 0, 0, 0.3);
}
input.noneborder{
border: none;
background: transparent;
}
JavaScript
new Vue({
el: "#app",
data: {
todos: [
{ id:1 ,text: "Learn JavaScript", done: false ,editing: false},
{ id:2, text: "Learn Vue", done: false ,editing: false},
{ id:3, text: "Play around in JSFiddle", done: true ,editing: false},
{ id:4, text: "Build something awesome", done: true ,editing: false}
],
querymode: true
},
computed: {
editmode: function(){ return !this.querymode;}
},
methods: {
toggle: function(todo){
todo.done = !todo.done
},
changemode: function(todo){ //切換單列資料狀態為編輯/一般
todo.editing = ! todo.editing;
},
cancelupdate: function(todo,index){ //取消更新/新增
if(todo.id==""){ this.todos.splice(index,1); }
else{
//若更改資料,回復原始資料(連回db)
}
this.changemode(todo);
},
updaterow: function(todo){ //更新資料
//1.更新資料(後端)
// note: 無id=>後端處理並取得值後更新.
//2.回復資料
//3.回復UI狀態
this.changemode(todo);
},
addrow: function(){
this.todos.push({id: "",text: "", done: false ,editing: true});
}
}
});
/*
reference:
https://stackoverflow.com/questions/3447294/transparent-borderless-text-input/45544665
https://jsfiddle.net/davidnotplay/5vdczjgt/
*/