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          ??一站式輕松地調用各大LLM模型接口，支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻
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                            自定義error：
~~~
package main

import (
	"fmt"
	"os"
	"time"
)

type PathError struct {
	path       string
	op         string
	createTime string
	message    string
}

func (p *PathError) Error() string {
	return fmt.Sprintf("path=%s \nop=%s \ncreateTime=%s \nmessage=%s", p.path,
		p.op, p.createTime, p.message)
}

func Open(filename string) error {

	file, err := os.Open(filename)
	if err != nil {
		return &PathError{
			path:       filename,
			op:         "read",
			message:    err.Error(),
			createTime: fmt.Sprintf("%v", time.Now()),
		}
	}

	defer file.Close()
	return nil
}

func main() {
	err := Open("/Users/***/Desktop/go/src/test.txt")
	switch v := err.(type) {
	case *PathError:
		fmt.Println("get path error,", v)
	default:

	}

}
~~~

輸出結果：
~~~
get path error, path=/Users/***/Desktop/go/src/test.txt 
op=read 
createTime=2018-04-05 11:25:17.331915 +0800 CST m=+0.000441790 
message=open /Users/***/Desktop/go/src/test.txt: no such file or directory
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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