From 4d779fa6825155285b6f2a221bbeefdbbdf3c0a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8C=83=E4=BD=B3=E6=AC=A3?=
 <14091193+fanjxin@user.noreply.gitee.com>
Date: Mon, 6 Jan 2025 20:12:03 +0800
Subject: [PATCH] =?UTF-8?q?30=E5=92=8C03=E7=AC=94=E8=AE=B0=E6=8F=90?=
 =?UTF-8?q?=E4=BA=A4?=
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---
 ...30\344\270\213\346\213\211\346\241\206.md" | 41 +++++++++++++++++++
 ...42\346\225\260\346\215\256\345\272\223.md" | 12 ++++++
 2 files changed, 53 insertions(+)
 create mode 100644 "\350\214\203\344\275\263\346\254\243/20241230\344\270\213\346\213\211\346\241\206.md"
 create mode 100644 "\350\214\203\344\275\263\346\254\243/20250102\346\233\264\346\215\242\346\225\260\346\215\256\345\272\223.md"

diff --git "a/\350\214\203\344\275\263\346\254\243/20241230\344\270\213\346\213\211\346\241\206.md" "b/\350\214\203\344\275\263\346\254\243/20241230\344\270\213\346\213\211\346\241\206.md"
new file mode 100644
index 0000000..f54e4a4
--- /dev/null
+++ "b/\350\214\203\344\275\263\346\254\243/20241230\344\270\213\346\213\211\346\241\206.md"
@@ -0,0 +1,41 @@
+## 视图
+    @model ScoreManger.Models.Score;
+    <form asp-action="Create" method="post">
+    <table>
+        <tr>
+            <td><label for="StudentId">学生编号：</label></td>
+            @* <td><input asp-for="StudentId"></td> *@
+            <td><select type="text" asp-for="StudentId">
+                @foreach(var item in ViewBag.Student){
+                <option value="@item.Id">@item.StudentName</option>
+                }
+            
+            </select></td>
+        </tr>
+        <tr>
+            <td><label for="CourseId">课程编号：</label></td>
+            @* <td><input asp-for="CourseId"></td> *@
+            <td><select type="text" asp-for="CourseId">
+                @foreach(var item in ViewBag.Course){
+                    <option value="@item.Id">@item.CourseName</option>
+                }
+            </select></td>
+        </tr>
+            <tr>
+                <td><label for="Scores">课程分数：</label></td>
+                <td><input asp-for="Scores"></td>
+                </tr>
+            <td><button type="submit" >保存</button></td>
+            <td>  <button asp-action="Index">取消保存</button></td>
+        
+        </tr>
+    </table>
+    </form>
+
+## 控制器
+    //添加
+    public IActionResult Create(){
+        ViewBag.Score=_db.Score.ToList();
+        ViewBag.Student=_db.Student.ToList();
+        return View();
+    }
\ No newline at end of file
diff --git "a/\350\214\203\344\275\263\346\254\243/20250102\346\233\264\346\215\242\346\225\260\346\215\256\345\272\223.md" "b/\350\214\203\344\275\263\346\254\243/20250102\346\233\264\346\215\242\346\225\260\346\215\256\345\272\223.md"
new file mode 100644
index 0000000..28e03f6
--- /dev/null
+++ "b/\350\214\203\344\275\263\346\254\243/20250102\346\233\264\346\215\242\346\225\260\346\215\256\345\272\223.md"
@@ -0,0 +1,12 @@
+## 更换数据库
+  1. 安装好postgresql数据库
+      - 在Debian上安postgresql数据库
+      - 确认是否安装成功
+      - 设置高强度密码
+      - 设置允许远程访问数据库
+  2. 更换数据库驱动(配合OPM工具)，并且·重新生成迁移文件
+      - 移除原来的数据库驱动：dotnet remove package Microsoft.EntityFrameworkCore.SqlServer
+      - 安装新的数据库驱动：dotnet add package Npgsqld.EntityFrameworkCore.Postgresql
+      - 更换数据库上下文配置
+      - 重新生成迁移文件
+      - 同步迁移文件
\ No newline at end of file
-- 
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