這篇文章主要介紹了angularjs循環(huán)對(duì)象屬性實(shí)現(xiàn)動(dòng)態(tài)列的思路詳解,本文給大家分享一個(gè)demo代碼給大家介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值，需要的朋友可以參考下

angularjs循環(huán)對(duì)象屬性實(shí)現(xiàn)動(dòng)態(tài)列

優(yōu)點(diǎn)：保存對(duì)象，在數(shù)據(jù)庫(kù)只保存一條數(shù)據(jù)

缺點(diǎn)：添加對(duì)象屬性需要修改表結(jié)構(gòu)、代碼，然后重新重新發(fā)布

實(shí)現(xiàn)思路

1）數(shù)據(jù)庫(kù)創(chuàng)建表（對(duì)象）、創(chuàng)建字段（對(duì)象屬性）

2）根據(jù)表（對(duì)象）、字段（對(duì)象屬性）生成配置表

3）根據(jù)表（對(duì)象）、字段（對(duì)象屬性）生成三層架構(gòu)

4）demo代碼如下

1.接口代碼：

using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using WebApplication1.Models;
 
namespace WebApplication1.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index(string objecttype)
        {
            ViewBag.objecttype = objecttype;
            return View();
        }
        [HttpPost]
        public JsonResult GetItem(string objecttype)
        {
            if (objecttype == "student")
            {
                Student item = new Student
                {
                    no = "S001",
                    name = "張三",
                    gender = "男",
                };
                List<Column> columns = new List<Column>();
                columns.Add(new Column { columnname = "no", displaynname="學(xué)號(hào)" });
                columns.Add(new Column { columnname = "name", displaynname = "姓名" });
                columns.Add(new Column { columnname = "gender", displaynname = "性別" });
                return Json(new { code = "1", msg = "", item = item, columns = columns });
            }
            else
            {
                School item = new School
                {
                    no = "S001",
                    name = "浙江大學(xué)",
                    address = "浙江",
                };
                List<Column> columns = new List<Column>();
                columns.Add(new Column { columnname = "no", displaynname = "編碼" });
                columns.Add(new Column { columnname = "name", displaynname = "名稱" });
                columns.Add(new Column { columnname = "address", displaynname = "地址" });
                return Json(new { code = "1", msg = "", item = item, columns = columns });
            }
        }
 
        [HttpPost]
        public JsonResult SaveItem(string objecttype, string itemstring)
        {
            if (objecttype == "student")
            {
                Student item = JsonConvert.DeserializeObject<Student>(itemstring);
            }
            else
            {
                School item = JsonConvert.DeserializeObject<School>(itemstring);
            }
            return Json(new { ResultCode = "1", ResultMessage = "保存成功！" });
        }
    }
    public class Student
    {
        public string no { get; set; }
        public string name { get; set; }
        public string gender { get; set; }
    }
    public class School
    {
        public string no { get; set; }
        public string name { get; set; }
        public string address { get; set; }
    }
    public class Column
    { 
        public string columnname { get; set; }
        public string displaynname { get; set; }
    }
}

2.angularjs前端代碼

@{
    ViewData["Title"] = "Home Page";
}
 
<script type="text/javascript">
    var app = angular.module("my_app", []);
    app.controller('my_controller', function ($scope) {
        //保存
        $scope.saveItem = function () {
            var itemstring = JSON.stringify($scope.item)
            $.post('@Url.Action("SaveItem", "Home")', { objecttype: '@ViewBag.objecttype', itemstring: itemstring }, function (data) {
 
            });
        }
        //獲取
        $scope.getItem = function () {
            $.post('@Url.Action("GetItem", "Home")', { objecttype: '@ViewBag.objecttype' }, function (result) {
                $scope.item = result.item;
                $scope.columns = result.columns;
                $scope.$apply();
            });
        }
        $scope.getItem();
    });
</script>
<div>
    <ul>
        <li ng-repeat="column in columns">
            <span>{{column.displaynname}}</span>
            <input ng-if="item[column.columnname]&&item[column.columnname].length" ng-model="item[column.columnname]" />
        </li>
    </ul>
    <input type="button" value="保存" ng-click="saveItem();" />
</div>

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