From ddca06e9414f7391d521eff3f99fadc41ba5af74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=92=8B=E7=BE=A4?= <jiangqunttt@qq.com>
Date: Sun, 5 Jan 2025 20:18:50 +0800
Subject: [PATCH] =?UTF-8?q?20241230+20250103=E7=AC=94=E8=AE=B0?=
MIME-Version: 1.0
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---
 .../20241230-\347\254\224\350\256\260.md"     | 111 ++++++++++++++++++
 .../20250103-\347\254\224\350\256\260.md"     |  43 +++++++
 2 files changed, 154 insertions(+)
 create mode 100644 "\350\222\213\347\276\244/20241230-\347\254\224\350\256\260.md"
 create mode 100644 "\350\222\213\347\276\244/20250103-\347\254\224\350\256\260.md"

diff --git "a/\350\222\213\347\276\244/20241230-\347\254\224\350\256\260.md" "b/\350\222\213\347\276\244/20241230-\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..59b021e
--- /dev/null
+++ "b/\350\222\213\347\276\244/20241230-\347\254\224\350\256\260.md"
@@ -0,0 +1,111 @@
+```js
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using StudentManger.Models;
+
+namespace StudentManger.Controllers;
+
+public class StudentController:Controller{
+
+    //数据库
+private readonly StudentsContext _db;
+public StudentController()
+{
+    _db=new StudentsContext();
+}
+
+    public IActionResult Index(){
+        var list=_db.Students.ToList();
+        return View(list);
+    }
+    //新增
+    public IActionResult Create(){
+        return View();
+
+    }
+   [HttpPost]
+    public IActionResult Create(Students input){
+        _db.Students.Add(input);
+        _db.SaveChanges();
+        return RedirectToAction("Index");
+
+    }
+
+    //编辑
+    public IActionResult Edit(int id){
+        var cont=_db.Students.FirstOrDefault(x=>x.Id==id);
+        return View(cont);
+        
+    }
+    [HttpPost]
+    public IActionResult Edit(Students input){
+        var cont=_db.Students.FirstOrDefault(x=>x.Id==input.Id);
+        if(cont==null){
+            return NotFound();
+        }
+        cont.Age=input.Age;
+        cont.StudentName=input.StudentName;
+        _db.SaveChanges();
+        return RedirectToAction("Index");
+        
+    }
+    //删除
+    // public IActionResult Delete(){
+    //     return View();
+        
+    // }
+    // public IActionResult DeleteOther(){
+    //     return View();
+        
+    // }
+    public IActionResult Delete(int id)
+    {
+        var cont = _db.Students.FirstOrDefault(x=>x.Id==id);
+
+        return View(cont);
+    }
+    public IActionResult DeleteOther(int id)
+    {
+        var cont = _db.Students.FirstOrDefault(x=>x.Id==id);
+        if(cont==null)
+        {
+            return NotFound();
+        }
+        _db.Students.Remove(cont);
+        _db.SaveChanges();
+
+        return RedirectToAction("Index");
+
+    }
+}
+```
+```js
+namespace StudentManger.Models;
+
+public class Students{
+
+public int Id{get;set;}
+public int Age{get;set;}
+public string StudentName{get;set;}=null!;
+
+}
+
+```
+```js
+// using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+namespace StudentManger.Models;
+
+
+public class StudentsContext:DbContext{
+
+public DbSet<Students> Students{get;set;}=null!;
+
+protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder){
+    base.OnConfiguring(optionsBuilder);
+    var contionString=$"server=.;database=Studentjq;uid=sa;pwd=123456;TrustServerCertificate=true;";
+    optionsBuilder.UseSqlServer(contionString);
+}
+}
+
+```
\ No newline at end of file
diff --git "a/\350\222\213\347\276\244/20250103-\347\254\224\350\256\260.md" "b/\350\222\213\347\276\244/20250103-\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..f729434
--- /dev/null
+++ "b/\350\222\213\347\276\244/20250103-\347\254\224\350\256\260.md"
@@ -0,0 +1,43 @@
+### 学生成绩表3
+```js
+//删除
+
+<h2>你确定删除吗？</h2>
+<table>
+    <tr>
+        <td>课程：</td>
+        <td>@Model.CourseName</td>
+    </tr>
+    <tr>
+        <td>
+            <a asp-action="DeleteConfirm" asp-route-id="@Model.Id">确定删除</a>
+        
+        </td>
+        <td>    <a asp-action="Index">取消删除</a></td>
+    </tr>
+</table>
+public IActionResult Delete(int id){
+        var obj=_db.Course.FirstOrDefault(x=>x.CourseId==id);
+         if (obj != null)
+        {
+            return View(obj);
+        }
+        return View();
+    }
+
+
+      [HttpPost]
+      public IActionResult DeleteConfirm(int id){
+        var obj=_db.Course.FirstOrDefault(x=>x.CourseId==id);
+        if(obj!=null){
+            return NotFound();
+
+       
+            // _db.SaveChange();
+        }
+
+     _db.Course.Remove(obj);
+        return View(obj);
+    }   
+
+```
-- 
Gitee