LAPP 打印服务 支持条码打印和表单打印 通过Socket或windows打印方式
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package db
import (
"LAPP_PRN_Service/common"
conf "LAPP_PRN_Service/config"
"LAPP_PRN_Service/glog"
"bufio"
"github.com/360EntSecGroup-Skylar/excelize/v2"
"os"
"path"
"path/filepath"
"strings"
"time"
"xorm.io/core"
)
/******备注:打印服务数据放到从库***************/
type PrintTask struct {
TaskId string
TaskFile string // 保存打印文件的文件路径
PrinterId string
PrintHead PrintHead
PrintDetailList []PrintDetail
}
// 基于模板将打印任务转换成字节码输出
func (t *PrintTask) GenBytesFile(conf *conf.EnvConfig) ([]common.ByteFile, error) {
TemplatePath,err := common.GetCurrentPath(conf.TemplatePath)
if err != nil {
glog.Infoln("failed to open template file: due to: ", err)
return nil, err
}
templatefile := filepath.Join(TemplatePath, t.PrintHead.TemplateFile)
f, err := os.Open(templatefile)
defer f.Close()
if err != nil {
glog.Infoln("failed to open template file: due to: ", templatefile, err)
return nil, err
}
var results []common.ByteFile
scanner := bufio.NewScanner(f)
for scanner.Scan() {
linetext := scanner.Text()
for _, pd := range t.PrintDetailList {
// -1 替换所有; 1 替换第一个; 5 替换前5个
linetext = strings.Replace(linetext, pd.VarName, pd.VarValue, -1)
}
var r common.ByteFile
r.ByteLine = []byte(linetext)
results = append(results, r)
}
return results, nil
}
// 基于模板将打印任务转换成字节码输出
func (t *PrintTask) GenStrsFile(conf *conf.EnvConfig) (string, error) {
TemplatePath,err := common.GetCurrentPath(conf.TemplatePath)
if err != nil {
glog.Infoln("failed to open template file: due to: ", err)
return "", err
}
templatefile := filepath.Join(TemplatePath, t.PrintHead.TemplateFile)
f, err := os.Open(templatefile)
defer f.Close()
if err != nil {
glog.Infoln("failed to open template file: due to: ", templatefile, err)
return "", err
}
var results string
scanner := bufio.NewScanner(f)
for scanner.Scan() {
linetext := scanner.Text()
for _, pd := range t.PrintDetailList {
// -1 替换所有; 1 替换第一个; 5 替换前5个
linetext = strings.Replace(linetext, pd.VarName, pd.VarValue, -1)
}
results += linetext
}
return results, nil
}
// 基于模板将打印任务转换成打印文件输出
func (t *PrintTask) GenPrintFile(conf *conf.EnvConfig) error {
TemplatePath,err := common.GetCurrentPath(conf.TemplatePath)
if err != nil {
glog.Infoln("failed to open template file: due to: ", err)
return err
}
templatefile := filepath.Join(TemplatePath, t.PrintHead.TemplateFile)
f, err := os.Open(templatefile)
defer f.Close()
if err != nil {
glog.Infoln("GenPrintFile: failed to open template file: due to:", templatefile, err)
return err
}
// 获取替换文件的内容行
var results []string
scanner := bufio.NewScanner(f)
for scanner.Scan() {
linetext := scanner.Text()
for _, pd := range t.PrintDetailList {
// -1 替换所有; 1 替换第一个; 5 替换前5个
linetext = strings.Replace(linetext, pd.VarName, pd.VarValue, -1)
}
results = append(results, linetext)
}
// 输出替换内容行到新建的打印文件
fileext := path.Ext(templatefile)
printfile := t.TaskId + fileext
inbox,err := common.GetCurrentPath(conf.Inbox)
if err != nil {
glog.Infoln("GenPrintFile: failed to create print file for task: due to: ", t.TaskId, err)
return err
}
t.TaskFile = filepath.Join(inbox, printfile)
fn, err := os.Create(t.TaskFile)
defer fn.Close()
if err != nil {
glog.Infoln("GenPrintFile: failed to create print file for task: due to: ", t.TaskId, err)
return err
}
w := bufio.NewWriter(fn)
for _, linetext := range results {
GBKStr,err := common.Utf8ToGbk([]byte(linetext))
if err != nil {
glog.InfoExtln("Printer", "Failed to Utf8ToGbk due to: ", err)
return err
}
_, err = w.WriteString(string(GBKStr)+ "\r\n")
if err != nil {
glog.Infoln("GenPrintFile: failed to write print file for task: due to: ", t.TaskId, err)
return err
}
}
w.Flush()
return nil
}
// 基于模板将打印任务转换成Excel文件输出
func (t *PrintTask) GenExcelFile(conf *conf.EnvConfig) error {
var (
templatefile string
xlFile *excelize.File
err error
)
TemplatePath,err := common.GetCurrentPath(conf.TemplatePath)
if err != nil {
glog.Infoln("failed to open template file: due to: ", err)
return err
}
templatefile = filepath.Join(TemplatePath, t.PrintHead.TemplateFile)
xlFile, err = excelize.OpenFile(templatefile)
if err != nil {
glog.Infoln("Failed to open the template file: due to: ", templatefile, err)
return err
}
// 获取替换文件的内容行并替换Excel表格中的内容
for _, pd := range t.PrintDetailList {
// 替换单元格对应的内容
xlFile.SetCellValue("Sheet1", pd.VarPos, pd.VarValue)
}
// 输出替换内容行到新建的Excel文件
fileext := path.Ext(templatefile)
printfile := t.TaskId + fileext
inbox,err := common.GetCurrentPath(conf.Inbox)
if err != nil {
glog.Infoln("Failed to open the template file: due to: ", templatefile, err)
return err
}
t.TaskFile = filepath.Join(inbox, printfile)
err = xlFile.SaveAs(t.TaskFile)
if err != nil {
glog.Infoln("GenExcelFile: failed to create excel file for task: due to: ", t.TaskId, err)
return err
}
return nil
}
// 获取打印任务
func (t *PrintTask) GetPrintTaskList(stalist []string, prnlist []string, conf *conf.EnvConfig) ([]PrintTask, error) {
var (
tasklist []PrintTask
printheadlist []PrintHead
err error
)
e := G_DbEngine
// 获取所有开口的打印任务头
if len(prnlist) > 0 {
err = e.Where("PlantNr = ?", conf.PlantNr).In("Status", stalist).In("PrinterId", prnlist).OrderBy("PrintHeadId").Find(&printheadlist)
} else {
err = e.Where("PlantNr = ?", conf.PlantNr).In("Status", stalist).OrderBy("PrintHeadId").Find(&printheadlist)
}
if err != nil {
glog.Infoln("failed to query PrintHead due to: ", err)
return nil, err
}
// 遍历打印任务头
for _, p := range printheadlist {
var t PrintTask
t.PrintHead = p
t.TaskId = t.PrintHead.PrintHeadId
t.PrinterId = t.PrintHead.PrinterId
var pdlist []PrintDetail
err := e.Where("PlantNr = ? and PrintHeadId = ?", conf.PlantNr, t.PrintHead.PrintHeadId).OrderBy("Pos").Find(&pdlist)
if err != nil {
glog.Infoln("failed to query printdetailtab due to: ", err)
return nil, err
}
for _, pd := range pdlist {
t.PrintDetailList = append(t.PrintDetailList, pd)
}
tasklist = append(tasklist, t)
}
return tasklist, nil
}
// 关闭打印任务
func (t *PrintTask) ChangePrintTaskStatus(task PrintTask, newStatus string) error {
e := G_DbEngine
task.PrintHead.Status = newStatus
task.PrintHead.LastModify = common.DateTime(time.Now())
_, err := e.Id(core.PK{task.PrintHead.PlantNr, task.PrintHead.PrintHeadId}).Cols("Status", "LastModify").Update(&task.PrintHead)
if err != nil {
glog.Infoln("failed to change PrinterHead status for PrintHeadId:", task.PrintHead.PrintHeadId)
return err
}
return nil
}