首頁 > 開發者 > JavaScript
vue v-model表單控制項綁定詳解，vuev-model
v-model 指令在表單控制項元素上建立雙向資料繫結，下面一一進行樣本解釋。
1、v-model 雙向繫結文本
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <input v-model="message" placeholder="edit me"> <p>Message is: {{ message }}</p></div></body><script> var vm = new Vue({ el:"#app", data: { message: '綁定文本' } })</script></html>
輸出結果：
2、v-model 雙向繫結多行文本，與上面的例子相似。
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <<span>Multiline message is:</span> <p style="white-space: pre">{{ message }}</p> <br> <textarea v-model="message" placeholder="add multiple lines"></textarea></div></body><script> var vm = new Vue({ el:"#app", data: { message: '綁定多行文本' } })</script></html>
輸出結果：
3、v-model 綁定複選框
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <input type="checkbox" id="checkbox" v-model="checked"> <label for="checkbox">{{ checked }}</label></div></body><script> var vm = new Vue({ el:"#app", data: { checked: 'true' } })</script></html>
輸出結果：選中為true 不選中則為false
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <input type="checkbox" id="jack" value="劉二狗" v-model="checkedNames"> <label for="jack">Jack</label> <input type="checkbox" id="john" value="張麻子" v-model="checkedNames"> <label for="john">John</label> <input type="checkbox" id="mike" value="小狗子" v-model="checkedNames"> <label for="mike">Mike</label> <br> <span>Checked names: {{ checkedNames }}</span></div></body><script> var vm = new Vue({ el:"#app", data: { checkedNames: [] } })</script></html>
輸出結果：
4、v-model 綁定選項按鈕
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <input type="radio" id="one" value="One" v-model="picked"> <label for="one">One</label> <br> <input type="radio" id="two" value="Two" v-model="picked"> <label for="two">Two</label> <br> <span>Picked: {{ picked }}</span></div></body><script> var vm = new Vue({ el:"#app", data: { picked: '' } })</script></html>
輸出結果：
5、v-model 綁定下拉式清單
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <select v-model="selected"> <option>A</option> <option>B</option> <option>C</option> </select> <span>Selected: {{ selected }}</span></div></body><script> var vm = new Vue({ el:"#app", data: { selected: '' } })</script></html>
輸出結果：
多選列表
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <select v-model="selected" multiple style="width: 50px"> <option>A</option> <option>B</option> <option>C</option> </select> <br> <span>Selected: {{ selected }}</span></div></body><script> var vm = new Vue({ el:"#app", data: { selected: [] } })</script></html>
輸出結果：
6、動態選項，用 v-for 渲染：
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="vue.js"></script></head><body><div id="app"> <select v-model="selected"> <option v-for="option in options" v-bind:value="option.value"> {{ option.text }} </option> </select> <span>Selected: {{ selected }}</span></div></body><script> var vm = new Vue({ el:"#app", data: { selected: 'A', options: [ { text: 'One', value: 'A' }, { text: 'Two', value: 'B' }, { text: 'Three', value: 'C' } ] } })</script></html>
輸出結果：
以上就是本文的全部內容，希望對大家的學習有所協助，也希望大家多多支援幫客之家。
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
