From d73040008f606c38ff8861f5bd5030b65486d61a Mon Sep 17 00:00:00 2001
From: p5gmxez4p <1151375936@qq.com>
Date: Sun, 10 Oct 2021 16:54:31 +0800
Subject: [PATCH] ADD file via upload

---
 CS体系结构-动态系统/delete.java | 50 +++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 CS体系结构-动态系统/delete.java

diff --git a/CS体系结构-动态系统/delete.java b/CS体系结构-动态系统/delete.java
new file mode 100644
index 0000000..763e055
--- /dev/null
+++ b/CS体系结构-动态系统/delete.java
@@ -0,0 +1,50 @@
+package edu.hzuapps.shudongapp;
+
+import android.os.Bundle;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.List;
+
+import edu.hzuapps.shudongapp.bean.User;
+import edu.hzuapps.shudongapp.util.ToastUtil;
+
+public class delete extends AppCompatActivity {
+
+    private Button button_Delete;
+    private EditText ed_name_Delete;
+    private TextView tv_Delete;
+    private MySQLiteOpenHelper mySQLiteOpenHelper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_delete);
+
+        ed_name_Delete = findViewById(R.id.ed_name_delete);
+        mySQLiteOpenHelper = new MySQLiteOpenHelper(this);
+    }
+
+    public void deletedata(View view) {
+        String name = ed_name_Delete.getText().toString().trim();
+
+        //按姓名从数据库中删除
+
+        int row = mySQLiteOpenHelper.deleteFromDByName(name);
+        if (row > 0) {
+            ToastUtil.toastLong(this, "删除成功，删了" + row + "条记录");
+        } else {
+            ToastUtil.toastShort(this, "删除失败，没有找到该名字的数据");
+        }
+    }
+}
\ No newline at end of file