golang error information processing

1. Scenario:
When the program reports an error, you want a fixed error message to perform the operations done by the corresponding code logic:

2. Code:

import strings

if errCheck != nil {
    
    
		if strings.Contains(errCheck.Error(), "Table 'opstyu.checkdb' doesn't exist") {
    
       // 表示表checkdb不存在，就是没有跑过校验数据
			return "1","2"
		} else {
    
    
			initlog.Error.Println(errCheck)
		}
	}

The above code means: look at whether the errCheck.Error() error message contains the following string ("Table'opstyu.checkdb' doesn't exist"), if it contains, then execute the following logic

3. The reason for this:
The information from errCheck.Error() has spaces and various unnecessary information is printed out. It is not easy to judge. It is the best way to judge whether it contains