vue.js 嵌套循环、if判断、动态删除

xingyun86 2018-4-17 1755

Vue.js是当下很火的一个JavaScript MVVM库,它是以数据驱动和组件化的思想构建的。相比于Angular.js,Vue.js提供了更加简洁、更易于理解的API


app.html

<!doctype html>  
<html>  
<head>  
    <meta charset="UTF-8">  
    <title>  
    vuejs 嵌套循环、if判断  
    </title>  
    <style type="text/css">  
        [v-cloak] { display: none }  
    </style>  
</head>  
  
<body>  
   <div id="app">  
          
        <table>  
            <tr>            
                <td >id</td>  
                <td >姓名</td>  
                <td >手机号</td>  
                <td >城市</td>  
                  
                <td >通过审核</td>  
                <td >我的学生</td>  
                <td >操作</td>                  
            </tr>  
           <tr v-for="(item,index) in list ">   
                <td>{{item.id}}</td>   
                <td>{{item.name}}</td>  
                <td>{{item.tel}}</td>   
                  
                <td>{{item.province}}_{{item.city}}</td>   
                <td v-if="item.status==1">是</td>   
                <td v-else-if="item.status==0">否</td>   
                <td >  
                    <span v-for="stu in item.stu ">  
                    {{stu.name}},  
                    </span>  
                </td>   
                <td>  
                   <button v-on:click="edit">修改</button>  
                   <button v-on:click="del(index)">删除</button>  
                </td>   
           </tr>  
        </table>  
   </div>  
</body>  
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" charset="utf-8"></script>  
<script src="https://cdn.bootcss.com/vue/2.3.0/vue.min.js" charset="utf-8"></script>  
<script type="text/javascript">  
$(function() {  
    new Vue({   
        el: '#app',   
        methods: {   
            del:function(index){  
                this.list.splice(index,1);  
            },  
            edit: function () {  
                alert('修改')  
            },  
        },  
        data: {  
            "list":[{  
                "id":"139",  
                "name":"王五",  
                "tel":"13681829898",  
                "status":"1",  
                "province":"省",  
                "city":"市",  
                "sex":"1",  
                "stu":[{  
                    "id":"200",  
                    "name":"学生1",  
                    "tel":"13681829898",  
                },{  
                    "id":"201",  
                    "name":"学生2",  
                    "tel":"13681829898",  
                }],  
            },  
            {  
                "id":"138",  
                "name":"麻子",  
                "tel":"13681829898",  
                "status":"0",  
                "province":"省",  
                "city":"市",  
                "sex":"0",  
                "stu":[{  
                    "id":"300",  
                    "name":"学生31",  
                    "tel":"13681829898",  
                },{  
                    "id":"301",  
                    "name":"学生32",  
                    "tel":"13681829898",  
                }],  
            },  
            {  
                "id":"137",  
                "name":"丽丽",  
                "tel":"15152882891",  
                "status":"0",  
                "province":"省",  
                "city":"市",  
                "sex":"1",  
                "stu":[{  
                    "id":"400",  
                    "name":"学生41",  
                    "tel":"13681829898",  
                },{  
                    "id":"401",  
                    "name":"学生42",  
                    "tel":"13681829898",  
                }],  
            },  
            {  
                "id":"136",  
                "name":"娜娜",  
                "tel":"15152882891",  
                "status":"0",  
                "province":"省",  
                "city":"市",  
                "sex":"0",  
                "stu":[{  
                    "id":"500",  
                    "name":"学生51",  
                    "tel":"13681829898",  
                },{  
                    "id":"501",  
                    "name":"学生52",  
                    "tel":"13681829898",  
                }],  
            }]  
        }  
    })  
})  
</script>  
</html>



vue1.0和vue2.0循环索引使用区别

如果是vue1.0这样写:  
  
<ol>  
            <li v-for="todo in todos" @click="delete($index)">  
                    {{todo.label}}  
            </li>  
</ol>  
然后:  
  
methods:{  
      
    delete:function(index){  
        this.todos.splice(index,1);  
    }  
}  
如果是vue2.0这样写:  
  
<ol>  
                <li v-for="(todo,index) in todos" @click="delete(index)">  
                    {{todo.label}}  
                </li>    
</ol>  
然后  
  
methods:{  
      
    delete:function(index){  
        this.todos.splice(index,1);  
    }  
}


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