liulei/jx-print
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邹宗楠
2022-10-18 10:54:48 +08:00
parent 03069ce0fe
commit 519f671ab4
1 changed files with 3 additions and 0 deletions
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dao/print_dao.go
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@@ -94,6 +94,9 @@ func GetPrintIsUse(printNo string) (bool, string, error) {
if err := globals.GetDB().Select(&result, sql, param...); err != nil { if err := globals.GetDB().Select(&result, sql, param...); err != nil {
return false, "", err return false, "", err
} }
if len(result) != 1 {
return false, "", errors.New("打印机不存在")
}
return len(result) == 1, result[0].PrintKey, nil return len(result) == 1, result[0].PrintKey, nil
} }