vue模板语法上
vue的插值案例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>vue的插值案例</title> <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script> </head> <body> <div id="app"> <ul> <li> <h3>文本</h3> {{msg}} </li> <li> <h3>html字符串渲染</h3> <div v-html="htmlStr"></div> {{msg}} </li> <li> <h3>v-bind属性绑定指令</h3> <input type="text" value="22" /> <input type="text" v-bind:value="age" /> </li> <li> {{str.substr(0,6).toUpperCase()}} {{ number + 1 }} {{ ok ? 'YES' : 'NO' }} <li v-bind:id="'list-' + id">我的Id是js动态生成的</li> </li> </ul> </div> </body> <script type="text/javascript"> new Vue({ el: "#app", data: { msg: 'hello Vue!!', htmlStr: '<span style="color: red;">红了</span>', age: 23, str: 'https://www.baidu.com', number: 6, ok: true, id:16, } }) </script> </html>
vue的指令门案例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>vue的指令门案例</title> <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script> </head> <body> <div id="app"> <ul> <li> <h3>分支</h3> <div v-if="score>90">A</div> <div v-else-if="score>80">B</div> <div v-else-if="score>70">C</div> <div v-else-if="score>60">D</div> <div v-else="">E</div> <input type="text" v-model="score" /> </li> <li> <h3>v-show指令</h3> <div v-show="flag">出来吧1</div> <!-- 分清楚v-if跟v-show的区别 v-if:控制的是标签是否打印 v-show:控制的是标签的样式 --> <div v-if="flag">出来吧2</div> </li> <li> <h3>v-for指令</h3> <div v-for="item,index in data1"> {{item}}~{{index}}<br /> </div> <hr /> <div v-for="item,index in data2"> {{item.id}}~{{item.name}}~{{index}}<br /> </div> </li> <li> <h3>动态事件调用</h3> <button v-on:[evname]="xxx">动态事件调用</button> <input type="text" v-model="evname"/> </li> </ul> </div> </body> <script type="text/javascript"> new Vue({ el: "#app", data: { score:88, flag:true, data1:[1,3,6,9,14], data2:[{ id:1, name:'篮球', }, { id:2, name:'跳棋' }, { id:3, name:'軍棋' }], evname:'click' }, methods:{ xxx(){ console.log('xxx方法被调用') } } }) </script> </html>
vue的过滤器案例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>vue的过滤器案例</title> <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script> </head> <body> <div id="app"> <ul> <li> <h3>局部过滤的注册</h3> {{msg}}<br /> {{msg|a}}<br> {{javaxl|a}} </li> <li> <h3>局部过滤的串联</h3> {{javaxl|a|b}} </li> <li> <h3>全局过滤器的注册</h3> {{javaxl|c}} </li> </ul> </div> </body> <script type="text/javascript"> Vue.filter('c',function(v){ console.log(v); return v.substring(10,16); }) new Vue({ el: "#app", data: { msg:'https//www.baidu.com', javaxl:'https://www.javaxl.com' }, filters:{ //a是过滤器的名字,后面的 'a':function(v){ console.log(v); return v.substring(0,16); }, 'b':function(v){ console.log(v); return v.substring(5,10); } } }) </script> </html>
vue的计算属性监听属性案例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>vue的计算属性监听属性案例</title> <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script> </head> <body> <div id="app"> <ul> <li> <h3>计算属性</h3> 单价<input v-model="price"/> 数量<input v-model="num" /> 总价:{{total}} </li> <li> <h3>监听属性</h3> km:<input v-model="km" /> m:<input v-model="m" /> </li> </ul> </div> </body> <script type="text/javascript"> new Vue({ el: "#app", data: { price:16, num:1, km:1, m:1000 }, computed:{ total(){ return parseInt(this.price)*parseInt(this.num); } }, watch:{ km(v){ this.m=v*1000; }, m(v){ this.km=v/1000; } } }) </script> </html>
今天就到这里了