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                            >[info] Go異常處理

~~~
package main

import (
   "errors"
   "fmt"
)

func main() {
   pa()

   defer func() {
      fmt.Println("捕獲異常", recover())
   }()

   in, err := sum2()
   if err != nil {
      fmt.Println(err)
   } else {
      fmt.Println(in)
   }
}

func sum2() (int, error) {
   return 9, errors.New("這是自定義描述的異常")
}

func pa() {
   panic("這是異常")
}

~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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