添加修改删除打印机接口

business/model/dao/dao_print.go

@@ -1 +1,27 @@
 package dao
+
+import (
+	"git.rosy.net.cn/baseapi/utils"
+	"git.rosy.net.cn/jx-callback/business/model"
+)
+
+func GetPrinters(db *DaoDB, appID int, printNo string) (printers []*model.Printer, err error) {
+	sql := `
+		SELECT *
+		  FROM printer 
+         WHERE 1 = 1 AND deleted_at = ?
+	`
+	sqlParams := []interface{}{
+		utils.DefaultTimeValue,
+	}
+	if appID != 0 {
+		sql += " AND app_id = ?"
+		sqlParams = append(sqlParams, appID)
+	}
+	if printNo != "" {
+		sql += " AND print_no = ?"
+		sqlParams = append(sqlParams, printNo)
+	}
+	err = GetRows(db, &printers, sql, sqlParams)
+	return printers, err
+}