Merge remote-tracking branch 'origin/master'

# Conflicts:
#	Cargo.lock
#	Cargo.toml
#	src/main.rs

Cargo.toml

@@ -4,4 +4,5 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.5"
+mysql = "25.0.1"
+actix-web = "4"

src/main.rs

@@ -1,41 +1,21 @@
-use std::io;
+use mysql::*;
-use std::cmp::Ordering;
+use mysql::prelude::*;
-use rand::Rng;
+fn main() -> Result<()> {
+    // 连接mysql
+    let url = "mysql://root:0andrx@122.152.201.90:9912/test_server";
+    let pool = Pool::new(url)?;
+    let mut conn = pool.get_conn()?;
 
-fn main() {
+    // 执行查询
-    println!("Hello, world!");
+    conn.query_drop(
-    let secret_number = rand::thread_rng().gen_range(1..=100);
+        r"CREATE TABLE IF NOT EXISTS users (
+            id INT PRIMARY KEY AUTO_INCREMENT,
+            name TEXT NOT NULL,
+            age INT NOT NULL
+        )"
+    )?;
 
+    println!("Created users table");
 
-    loop {
+    Ok(())
-        // println!("The secret number is {}", secret_number);
-
-        println!("Please enter command:");
-
-        let mut command = String::new();
-
-        io::stdin()
-            .read_line(&mut command)
-            .expect("Failed to read line");
-
-        let command: u32 = match  command.trim().parse() {
-            Ok(num) => num,
-            Err(_) => {
-                println!("Please input a number!");
-                continue;
-            },
-        };
-
-        println!("The command is {command}");
-
-        match command.cmp(&secret_number) {
-            Ordering::Less => println!("Too small!"),
-            Ordering::Equal => {
-                println!("You win!");
-                break;
-            }
-            Ordering::Greater => println!("Too big!"),
-        }
-    }
-
 }