更新进度条。更新覆盖保存开关。

src/messager.rs

@@ -0,0 +1,42 @@
+use crate::messager;
+use std::fmt::Debug;
+use std::sync::mpsc;
+pub struct Messager {
+    name: String,
+    sender: mpsc::Sender<messager::Message>,
+}
+
+pub struct Message {
+    pub name: String,
+    pub signal: Signals,
+}
+
+pub enum Signals {
+    Start,
+    Decrypt,
+    Save,
+    End,
+}
+
+impl Messager {
+    pub fn new(name: String, sender: mpsc::Sender<messager::Message>) -> Self {
+        Self { name, sender }
+    }
+    pub fn send(&self, s: Signals) -> Result<(), std::sync::mpsc::SendError<messager::Message>> {
+        self.sender.send(Message {
+            name: self.name.clone(),
+            signal: s,
+        })
+    }
+}
+impl Debug for Message {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let message = match &self.signal {
+            Signals::Start => "开始破解".to_string(),
+            Signals::Decrypt => "开始解密".to_string(),
+            Signals::Save => "保存文件".to_string(),
+            Signals::End => "破解完成".to_string(),
+        };
+        write!(f, "[{}] {}", self.name, message)
+    }
+}