翻譯|使用教程|編輯:楊鵬連|2020-08-24 10:49:25.327|閱讀 320 次
概述:本教程為您提供有關(guān)如何在服務(wù)器端使用ASP.NET Core 2 創(chuàng)建Gantt的分步說(shuō)明的實(shí)施Web API部分。
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dhtmlxGantt是用于跨瀏覽器和跨平臺(tái)應(yīng)用程序的功能齊全的Gantt圖表。可滿足項(xiàng)目管理應(yīng)用程序的所有需求,是最完善的甘特圖圖表庫(kù)。它允許你創(chuàng)建動(dòng)態(tài)甘特圖,并以一個(gè)方便的圖形化方式可視化項(xiàng)目進(jìn)度。有了dhtmlxGantt,你可以顯示活動(dòng)之間的依賴關(guān)系,顯示具有完成百分比陰影的當(dāng)前任務(wù)狀態(tài)以及組織活動(dòng)到樹結(jié)構(gòu)。
步驟4.實(shí)施Web API
現(xiàn)在該進(jìn)行實(shí)際的REST API實(shí)施了。轉(zhuǎn)到Startup.cs并啟用MVC路由(如果尚未啟用):
啟動(dòng)文件
public void ConfigureServices(IServiceCollection services) { services.AddMvc(); services.AddDbContext<GanttContext>(options => options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"))); } //The method is called by the runtime. Use it to configure HTTP request pipeline. public void Configure(IApplicationBuilder app, IHostingEnvironment env) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } app.UseDefaultFiles(); app.UseStaticFiles(); app.UseMvc(); }
添加控制器
創(chuàng)建Controllers文件夾并創(chuàng)建三個(gè)空的API Controller:一個(gè)用于Tasks,另一個(gè)用于Links,另一個(gè)用于整個(gè)數(shù)據(jù)集:
任務(wù)控制器
讓我們?yōu)門asks創(chuàng)建一個(gè)控制器。它將為甘特任務(wù)定義基本的CRUD操作。
這個(gè)怎么運(yùn)作:
控制器/ TaskController.cs using System.Collections.Generic; using System.Linq; using Microsoft.EntityFrameworkCore; using Microsoft.AspNetCore.Mvc; using DHX.Gantt.Models; namespace DHX.Gantt.Controllers { [Produces("application/json")] [Route("api/task")] public class TaskController : Controller { private readonly GanttContext _context; public TaskController(GanttContext context) { _context = context; } // GET api/task [HttpGet] public IEnumerable<WebApiTask> Get() { return _context.Tasks .ToList() .Select(t => (WebApiTask)t); } // GET api/task/5 [HttpGet("{id}")] public WebApiTask Get(int id) { return (WebApiTask)_context .Tasks .Find(id); } // POST api/task [HttpPost] public ObjectResult Post(WebApiTask apiTask) { var newTask = (Task)apiTask; _context.Tasks.Add(newTask); _context.SaveChanges(); return Ok(new { tid = newTask.Id, action = "inserted" }); } // PUT api/task/5 [HttpPut("{id}")] public ObjectResult Put(int id, WebApiTask apiTask) { var updatedTask = (Task)apiTask; var dbTask = _context.Tasks.Find(id); dbTask.Text = updatedTask.Text; dbTask.StartDate = updatedTask.StartDate; dbTask.Duration = updatedTask.Duration; dbTask.ParentId = updatedTask.ParentId; dbTask.Progress = updatedTask.Progress; dbTask.Type = updatedTask.Type; _context.SaveChanges(); return Ok(new { action = "updated" }); } // DELETE api/task/5 [HttpDelete("{id}")] public ObjectResult DeleteTask(int id) { var task = _context.Tasks.Find(id); if (task != null) { _context.Tasks.Remove(task); _context.SaveChanges(); } return Ok(new { action = "deleted" }); } } }
鏈接控制器
接下來(lái),您應(yīng)該為L(zhǎng)inks創(chuàng)建一個(gè)控制器:控制器/LinkController.cs using System.Collections.Generic; using System.Linq; using Microsoft.EntityFrameworkCore; using Microsoft.AspNetCore.Mvc; using DHX.Gantt.Models; namespace DHX.Gantt.Controllers { [Produces("application/json")] [Route("api/link")] public class LinkController : Controller { private readonly GanttContext _context; public LinkController(GanttContext context) { _context = context; } // GET api/Link [HttpGet] public IEnumerable<WebApiLink> Get() { return _context.Links .ToList() .Select(t => (WebApiLink)t); } // GET api/Link/5 [HttpGet("{id}")] public WebApiLink Get(int id) { return (WebApiLink)_context .Links .Find(id); } // POST api/Link [HttpPost] public ObjectResult Post(WebApiLink apiLink) { var newLink = (Link)apiLink; _context.Links.Add(newLink); _context.SaveChanges(); return Ok(new { tid = newLink.Id, action = "inserted" }); } // PUT api/Link/5 [HttpPut("{id}")] public ObjectResult Put(int id, WebApiLink apiLink) { var updatedLink = (Link)apiLink; updatedLink.Id = id; _context.Entry(updatedLink).State = EntityState.Modified; _context.SaveChanges(); return Ok(new { action = "updated" }); } // DELETE api/Link/5 [HttpDelete("{id}")] public ObjectResult DeleteLink(int id) { var Link = _context.Links.Find(id); if (Link != null) { _context.Links.Remove(Link); _context.SaveChanges(); } return Ok(new { action = "deleted" }); } } }
數(shù)據(jù)控制器
最后,您需要為數(shù)據(jù)操作創(chuàng)建一個(gè)控制器:控制器/DataController.cs using System.Collections.Generic; using System.Linq; using Microsoft.AspNetCore.Mvc; using DHX.Gantt.Models; namespace DHX.Gantt.Controllers { [Produces("application/json")] [Route("api/data")] public class DataController : Controller { private readonly GanttContext _context; public DataController(GanttContext context) { _context = context; } // GET api/data [HttpGet] public object Get() { return new { data = _context.Tasks.ToList().Select(t => (WebApiTask)t), links = _context.Links.ToList().Select(l => (WebApiLink)l) }; } } }都準(zhǔn)備好了。您可以運(yùn)行該應(yīng)用程序,并查看完整的Gantt。
是否想嘗試DHTMLX Gantt來(lái)構(gòu)建自己的Salesforce應(yīng)用?訪問(wèn)我們的GitHub存儲(chǔ)庫(kù),您可以在其中找到Salesforce的Gantt組件的完整源代碼,并按照我們的視頻指南中的步驟進(jìn)行操作。
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