实现效果如：http://www.ligerui.com/demos/filter/filter.htm
代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="WebApplication1.WebForm2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<style>
.group {
border: 1px solid gray;
padding: 10px;
margin: 10px;
}
</style>
</head>
<body>
<form id="app">
<group v-bind:items="items"></group>
<input type="button" name="name" value="获取值" v-on:click="getValue" />
</form>
</body>
</html>
<script>
var indexs = 1000;
//定义一个组件,其实就是一组条件
var component = Vue.component("group", {
props: ["items"],
data: function () {
return {
}
},
methods: {
addLine: function (event) {
indexs++;
this.items.items.push({
id: indexs,
column: "Id",
local: "equal",
value: "1"
});
},
addGroup:function(){
indexs++;
this.items.items.push({
id: 0,
relation: "and",
items: []
});
},
removeLine: function (id) {
for (var i = 0; i < this.items.items.length; i++) {
if (this.items.items[i].id === id) {
console.log(this.items.items[i]);
this.items.items.splice(i, 1);
break;
}
}
},
removeGroup: function (id) {
for (var i = 0; i < this.items.items.length; i++) {
if (this.items.items[i].id === id) {
console.log(this.items.items[i]);
this.items.items.splice(i, 1);
break;
}
}
}
},
template: '<div class="group"> <div class="line"> <input type="button" name="name" value="新增一行" class="btnAddLine" v-on:click="addLine" /> <input type="button" name="name" value="新增一组" class="btnAddGroup" v-on:click="addGroup" /><input type="button" name="name" value="移除组" v-on:click="$emit(\'remove-group\',items.id)" v-if="items.id" /> </div> <div class="line" v-for="item of items.items" v-if="!item.relation"> <select> <option value="Id">编号</option> <option value="Name">姓名</option> <option value="Age">年龄</option> </select> <select> <option value="大于">大于</option> <option value="小于">小于</option> <option value="等于">等于</option> </select> <input type="type" name="name" value="" /> <input type="button" name="name" value="移除" class="btnRemoveLine" v-on:click="removeLine(item.id)" /> </div> <group v-bind:items="item" v-for="item of items.items" v-if="item.relation" v-on:remove-group="removeGroup"></group> </div>'
});
var app = new Vue({
el: "#app",
data: {
items: {
id: 0,
relation: "and",
items: [{
id: 1,
column: "Id",
local: "equal",
value: "1"
}, {
id: 2,
column: "Id",
local: "equal",
value: "1"
}, {
id: 3,
relation: "and",
items: [{
id: 4,
column: "Id",
local: "equal",
value: "1"
}]
}]
}
},
methods: {
getValue: function () {
console.log(this.items);
}
}
});
</script>
讲解：