modify

src/main.rs

@@ -4,10 +4,6 @@ use std::thread;
 use std::time;
 use std::str;
 
-fn read_byte(_url: &String) -> Result<(), &'static str>{
-	Err("input error.")
-}
-
  //循环
 fn handle_client(mut stream: TcpStream) -> Result<(), Error>{
     let mut buf = [0; 512];
@@ -17,17 +13,9 @@ fn handle_client(mut stream: TcpStream) -> Result<(), Error>{
         //输入内容字节数
         let bytes_read = stream.read(&mut buf)?;
         //字节数为0则结束
-        match read_byte(bytes_read) {
-			Ok(k) => {
-               stream.read(&mut buf)?;
-            },
-			Err(e) => {
-				println!("Failed to open the file.");
+        if bytes_read == 0 {
+            return Ok(());
         }
-		};
-        // if bytes_read == 0 {
-        //     return Ok(());
-        // }
         //字节数
         println!("format {} arguments", bytes_read);
         //写回到stream中
@@ -56,7 +44,6 @@ fn main() -> std::io::Result<()> {
         let handle = thread::spawn( || {
             //调用handle_client，有错误抛出异常unwrap_or_else类似match
             handle_client(stream).unwrap_or_else(|error| eprintln!("{:?}", error));
-            //Err(error);
         });
         eprintln!("handle ==========={:?}", handle);
     }