/
main.go
165 lines (154 loc) · 4.19 KB
/
main.go
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package main
import (
"database/sql"
"errors"
"fmt"
"github.com/HinaKaze/initparse"
"github.com/go-sql-driver/mysql"
"github.com/tealeg/xlsx"
"os"
"path/filepath"
"strings"
)
var excelRoot string = "./excel/"
var exportRoot string = "./txt/"
//var dbstr string = "cehua:cehua123@tcp(10.10.0.100:3306)/fr_game"
var filterMap map[string]*excelFilter = make(map[string]*excelFilter)
var conns []*sql.DB = make([]*sql.DB, 0)
func main() {
loadConfig()
excelNames := getExcelList()
for _, fName := range excelNames {
fmt.Println("Excel file name", fName)
iFile, err := xlsx.OpenFile(fName)
if err != nil {
panic(err.Error())
}
fileName := fName[strings.LastIndex(fName, "\\")+1 : strings.Index(fName, ".")]
exportFileName := exportRoot + fileName + ".txt"
fmt.Println("Export file name", exportFileName)
err = os.Remove(exportFileName)
if err != nil {
//panic(err.Error())
}
eFile, err := os.Create(exportFileName)
if err != nil {
panic(err.Error())
}
defer eFile.Close()
//get filter
excelFilter, ok := filterMap[fileName]
if !ok {
excelFilter = filterMap["default"]
}
export(iFile, eFile, excelFilter)
for i := 0; i < len(conns); i++ {
import2db(conns[i], eFile, fileName)
}
}
for _, dbconn := range conns {
dbconn.Close()
}
}
func loadConfig() {
initparse.DefaultParse("./config.cfg")
if paths, ok := initparse.GetSection("Path"); ok {
excelRoot, _ = paths.GetValue("excelRoot")
exportRoot, _ = paths.GetValue("exportRoot")
}
//load filter
filterMap["default"] = &excelFilter{"default", -1, -1, -1, -1}
for i := 1; i < 1024; i++ {
sectionName := "Filter" + fmt.Sprintf("%d", i)
if filters, ok := initparse.GetSection(sectionName); ok {
filename, _ := filters.GetValue("filename")
rBegin := filters.GetIntValue("rBegin")
rEnd := filters.GetIntValue("rEnd")
cBegin := filters.GetIntValue("cBegin")
cEnd := filters.GetIntValue("cEnd")
filterMap[filename] = &excelFilter{filename, cBegin, cEnd, rBegin, rEnd}
} else {
break
}
}
//load db conn
for i := 1; i < 1024; i++ {
sectionName := "DB" + fmt.Sprintf("%d", i)
if connSection, ok := initparse.GetSection(sectionName); ok {
connStr, ok := connSection.GetValue("ConnStr")
fmt.Printf("Connect db [%s]\n", connStr)
if !ok {
fmt.Printf("[Warning] Section %s has no property ConnStr\n", sectionName)
continue
}
sqlconn, err := sql.Open("mysql", connStr)
if err != nil {
fmt.Printf("[Warning] Error in open sql conn [%s]\n", connStr)
continue
}
conns = append(conns, sqlconn)
} else {
break
}
}
}
func getExcelList() (fileNames []string) {
filepath.Walk(excelRoot, func(path string, f os.FileInfo, err error) error {
if f == nil {
return err
}
if f.IsDir() {
return nil
}
fileNames = append(fileNames, path)
return nil
})
return
}
//默认使用第一个sheet
func export(excelFile *xlsx.File, exportFile *os.File, filter *excelFilter) {
sheet := excelFile.Sheets[0]
var isFirstRow bool = false
for _, row := range filter.Rows(sheet.Rows) {
if !isFirstRow {
isFirstRow = true
continue
}
var rowStr string
if row.Cells[0].String() == "" {
break
}
for _, cell := range filter.Cells(row.Cells) {
escapeStr := strings.Replace(cell.Value, `"`, `\"`, -1)
rowStr += escapeStr + "\t"
//rowStr += cell.String() + "\t"
}
exportFile.WriteString(rowStr + "\r\n")
}
}
func import2db(db *sql.DB, exportFile *os.File, filename string) {
execStr1 := fmt.Sprintf(`SET CHARACTER SET 'utf8'`)
_, err := db.Exec(execStr1)
if err != nil {
panic(err.Error())
}
execStr2 := fmt.Sprintf("truncate %s", filename)
_, err = db.Exec(execStr2)
if err != nil {
panic(err.Error())
}
filePath := strings.Replace(exportFile.Name(), `\\`, `/`, -1)
mysql.RegisterLocalFile(filePath)
sqlresult, err := db.Exec(`LOAD DATA LOCAL INFILE '` + filePath + `' INTO TABLE ` + filename + ` fields terminated by '\t' optionally enclosed by '"' lines terminated by '\r\n';`)
if err != nil {
panic(err.Error())
}
num, err := sqlresult.RowsAffected()
if err != nil {
panic(err.Error())
}
fmt.Printf("Import table [%s] end.Effected row num [%d]\n", filename, num)
if num <= 0 {
panic(errors.New("load file but have no effect"))
}
}