808 lines
16 KiB
Go
808 lines
16 KiB
Go
package hotime
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"os"
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"reflect"
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"strings"
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)
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type HoTimeDB struct {
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*sql.DB
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Context
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Cached bool
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LastQuery string
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LastData []interface{}
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ConnectFunc func(err ...*Error) *sql.DB
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//LastErr Error
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limit Slice
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}
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//设置数据库配置连接
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func (this *HoTimeDB) SetConnect(connect func(err ...*Error) *sql.DB, err ...*Error) {
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this.ConnectFunc = connect
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this.InitDb()
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}
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func (this *HoTimeDB) InitDb(err ...*Error) Error {
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if len(err) != 0 {
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this.LastErr = *(err[0])
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}
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this.DB = this.ConnectFunc(&this.LastErr)
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if this.DB == nil {
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return this.LastErr
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}
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e := this.DB.Ping()
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this.LastErr.SetError(e)
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return this.LastErr
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}
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func (this *HoTimeDB) Page(page, pageRow int) *HoTimeDB {
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page = (page - 1) * pageRow
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if page < 0 {
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page = 1
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}
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this.limit = Slice{page, pageRow}
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return this
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}
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func (this *HoTimeDB) PageSelect(table string, qu ...interface{}) []Map {
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if len(qu) == 1 {
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qu = append(qu, Map{"LIMIT": this.limit})
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}
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if len(qu) == 2 {
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temp := qu[1].(Map)
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temp["LIMIT"] = this.limit
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qu[1] = temp
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}
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if len(qu) == 3 {
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temp := qu[2].(Map)
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temp["LIMIT"] = this.limit
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qu[2] = temp
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}
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//fmt.Println(qu)
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data := this.Select(table, qu...)
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return data
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}
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//数据库数据解析
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func (this *HoTimeDB) Row(resl *sql.Rows) []Map {
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dest := make([]Map, 0)
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strs, _ := resl.Columns()
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for i := 0; resl.Next(); i++ {
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lis := make(Map, 0)
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a := make([]interface{}, len(strs))
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b := make([]interface{}, len(a))
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for j := 0; j < len(a); j++ {
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b[j] = &a[j]
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}
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resl.Scan(b...)
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for j := 0; j < len(a); j++ {
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if a[j] != nil && reflect.ValueOf(a[j]).Type().String() == "[]uint8" {
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lis[strs[j]] = string(a[j].([]byte))
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} else {
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lis[strs[j]] = a[j]
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}
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}
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dest = append(dest, lis)
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}
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return dest
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}
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//
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////code=0,1,2 0 backup all,1 backup data,2 backup ddl
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//func (this *HoTimeDB) Backup(path string, code int) {
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// var cmd *exec.Cmd
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// switch code {
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// case 0:cmd= exec.Command("mysqldump","-h"+ObjToStr(Config["dbHost"]), "-P"+ObjToStr(Config["dbPort"]),"-u"+ObjToStr(Config["dbUser"]), "-p"+ObjToStr(Config["dbPwd"]),ObjToStr(Config["dbName"]))
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// case 1:cmd= exec.Command("mysqldump","-h"+ObjToStr(Config["dbHost"]), "-P"+ObjToStr(Config["dbPort"]),"-u"+ObjToStr(Config["dbUser"]), "-p"+ObjToStr(Config["dbPwd"]), ObjToStr(Config["dbName"]))
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// case 2:cmd= exec.Command("mysqldump","--no-data","-h"+ObjToStr(Config["dbHost"]), "-P"+ObjToStr(Config["dbPort"]),"-u"+ObjToStr(Config["dbUser"]), "-p"+ObjToStr(Config["dbPwd"]),ObjToStr(Config["dbName"]))
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// }
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//
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//
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//
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// stdout, err := cmd.StdoutPipe()
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// if err != nil {
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// log.Fatal(err)
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// }
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//
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// if err := cmd.Start(); err != nil {
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// log.Fatal(err)
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// }
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//
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// bytes, err := ioutil.ReadAll(stdout)
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// if err != nil {
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// log.Fatal(err)
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// }
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// err = ioutil.WriteFile(path, bytes, 0644)
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// if err != nil {
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// panic(err)
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// }
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// return ;
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// //
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// //db := ``
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// //fmt.Println(db)
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// //
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// //tables := this.Query("show tables")
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// //lth := len(tables)
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// //if lth == 0 {
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// // return
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// //}
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// //for k, _ := range tables[0] {
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// // db = Substr(k, 10, len(k))
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// //}
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// //
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// //fd, _ := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
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// //fd.Write([]byte("/*datetime " + time.Now().Format("2006-01-02 15:04:05") + " */ \r\n"))
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// //fd.Close()
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// //
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// //for i := 0; i < lth; i++ {
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// // tt := tables[i]["Tables_in_"+db].(string)
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// // this.backupSave(path, tt, code)
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// // debug.FreeOSMemory()
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// //}
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//
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//}
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func (this *HoTimeDB) backupSave(path string, tt string, code int) {
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fd, _ := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
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defer fd.Close()
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str := "\r\n"
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if code == 0 || code == 2 {
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str += this.backupDdl(tt)
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}
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if code == 0 || code == 1 {
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str += "insert into `" + tt + "`\r\n\r\n("
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str += this.backupCol(tt)
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}
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fd.Write([]byte(str))
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}
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func (this *HoTimeDB) backupDdl(tt string) string {
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data := this.Query("show create table " + tt)
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if len(data) == 0 {
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return ""
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}
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return ObjToStr(data[0]["Create Table"]) + ";\r\n\r\n"
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}
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func (this *HoTimeDB) backupCol(tt string) string {
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str := ""
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data := this.Select(tt, "*")
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lthData := len(data)
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if lthData == 0 {
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return str
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}
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lthCol := len(data[0])
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col := make([]string, lthCol)
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tempLthData := 0
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for k, _ := range data[0] {
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if tempLthData == lthCol-1 {
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str += "`" + k + "`)"
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} else {
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str += "`" + k + "`,"
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}
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col[tempLthData] = k
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tempLthData++
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}
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str += " values"
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for j := 0; j < lthData; j++ {
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for m := 0; m < lthCol; m++ {
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if m == 0 {
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str += "("
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}
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v := "NULL"
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if data[j][col[m]] != nil {
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v = "'" + strings.Replace(ObjToStr(data[j][col[m]]), "'", `\'`, -1) + "'"
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}
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if m == lthCol-1 {
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str += v + ")"
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} else {
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str += v + ","
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}
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}
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if j == lthData-1 {
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str += ";\r\n\r\n"
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} else {
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str += ",\r\n\r\n"
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}
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}
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return str
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}
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func (this *HoTimeDB) md5(query string, args ...interface{}) string {
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strByte, _ := json.Marshal(args)
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str := Md5(query + ":" + string(strByte))
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return str
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}
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func (this *HoTimeDB) Query(query string, args ...interface{}) []Map {
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//fmt.Println(query)
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var err error
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var resl *sql.Rows
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this.LastQuery = query
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this.LastData = args
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if this.DB == nil {
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err = errors.New("没有初始化数据库")
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this.LastErr.SetError(err)
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return nil
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}
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resl, err = this.DB.Query(query, args...)
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this.LastErr.SetError(err)
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if err != nil {
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if err = this.DB.Ping(); err != nil {
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this.LastErr.SetError(err)
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this.InitDb()
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if this.LastErr.GetError() != nil {
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return nil
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}
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return this.Query(query, args...)
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}
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return nil
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}
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return this.Row(resl)
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}
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func (this *HoTimeDB) Exec(query string, args ...interface{}) (sql.Result, Error) {
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this.LastQuery = query
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this.LastData = args
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if this.DB == nil {
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err := errors.New("没有初始化数据库")
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this.LastErr.SetError(err)
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return nil, this.LastErr
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}
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resl, e := this.DB.Exec(query, args...)
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this.LastErr.SetError(e)
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//判断是否连接断开了
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if e != nil {
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if e = this.DB.Ping(); e != nil {
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this.LastErr.SetError(e)
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this.InitDb()
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if this.LastErr.GetError() != nil {
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return resl, this.LastErr
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}
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return this.Exec(query, args...)
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}
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}
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return resl, this.LastErr
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}
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//func (this *HoTimeDB)copy(data []Map)[]Map{
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// if data==nil{
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// return nil
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// }
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//
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// lth:=len(data)
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//
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// res:=make([]Map,lth)
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//
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//
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// for i:=0;i<lth;i++{
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//
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// res[i]=DeepCopy(data[i]).(Map)
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// }
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//
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// return res
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//
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//}
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func (this *HoTimeDB) Select(table string, qu ...interface{}) []Map {
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query := "SELECT"
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where := Map{}
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qs := make([]interface{}, 0)
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intQs, intWhere := 0, 1
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join := false
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if len(qu) == 3 {
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intQs = 1
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intWhere = 2
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join = true
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}
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if len(qu) > 0 {
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if reflect.ValueOf(qu[intQs]).Type().String() == "string" {
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query += " " + qu[intQs].(string)
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} else {
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for i := 0; i < len(qu[intQs].(Slice)); i++ {
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if i+1 != len(qu[intQs].(Slice)) {
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query += " `" + qu[intQs].(Slice)[i].(string) + "`,"
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} else {
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query += " `" + qu[intQs].(Slice)[i].(string) + "`"
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}
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}
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}
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} else {
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query += " *"
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}
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query += " FROM " + table
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if join {
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for k, v := range qu[0].(Map) {
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switch Substr(k, 0, 3) {
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case "[>]":
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query += " LEFT JOIN " + Substr(k, 3, len(k)-3) + " ON " + v.(string)
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case "[<]":
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query += " RIGHT JOIN " + Substr(k, 3, len(k)-3) + " ON " + v.(string)
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}
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switch Substr(k, 0, 4) {
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case "[<>]":
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query += " FULL JOIN " + Substr(k, 4, len(k)-4) + " ON " + v.(string)
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case "[><]":
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query += " INNER JOIN " + Substr(k, 4, len(k)-4) + " ON " + v.(string)
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}
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}
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}
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if len(qu) > 1 {
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where = qu[intWhere].(Map)
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}
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temp, resWhere := this.where(where)
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query += temp
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qs = append(qs, resWhere...)
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res := this.Query(query, qs...)
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return res
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}
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func (this *HoTimeDB) Get(table string, qu ...interface{}) Map {
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//fmt.Println(qu)
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if len(qu) == 1 {
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qu = append(qu, Map{"LIMIT": 1})
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}
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if len(qu) == 2 {
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temp := qu[1].(Map)
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temp["LIMIT"] = 1
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qu[1] = temp
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}
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if len(qu) == 3 {
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temp := qu[2].(Map)
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temp["LIMIT"] = 1
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qu[2] = temp
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}
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//fmt.Println(qu)
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data := this.Select(table, qu...)
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if len(data) == 0 {
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return nil
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}
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return data[0]
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}
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/**
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** 计数
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*/
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func (this *HoTimeDB) Count(table string, qu ...interface{}) int {
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req := []interface{}{}
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if len(qu) == 2 {
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req = append(req, qu[0])
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req = append(req, "COUNT(*)")
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req = append(req, qu[1])
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} else {
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req = append(req, "COUNT(*)")
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req = append(req, qu...)
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}
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//req=append(req,qu...)
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data := this.Select(table, req...)
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//fmt.Println(data)
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if len(data) == 0 {
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return 0
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}
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//res,_:=StrToInt(data[0]["COUNT(*)"].(string))
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res := ObjToStr(data[0]["COUNT(*)"])
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count, _ := StrToInt(res)
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return count
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}
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var condition = []string{"AND", "OR"}
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var vcond = []string{"GROUP", "ORDER", "LIMIT"}
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//where语句解析
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func (this *HoTimeDB) where(data Map) (string, []interface{}) {
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where := ""
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res := make([]interface{}, 0)
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//AND OR判断
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for k, v := range data {
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x := 0
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for i := 0; i < len(condition); i++ {
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if condition[i] == k {
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tw, ts := this.cond(k, v.(Map))
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where += tw
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res = append(res, ts...)
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break
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}
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x++
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}
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y := 0
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for j := 0; j < len(vcond); j++ {
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if vcond[j] == k {
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break
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}
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y++
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}
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if x == len(condition) && y == len(vcond) {
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tv, vv := this.varCond(k, v)
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where += tv
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res = append(res, vv...)
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}
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}
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if len(where) != 0 {
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where = " WHERE " + where
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}
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//特殊字符
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for j := 0; j < len(vcond); j++ {
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for k, v := range data {
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if vcond[j] == k {
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if k == "ORDER" {
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where += " " + k + " BY "
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//fmt.Println(reflect.ValueOf(v).Type())
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//break
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} else if k == "GROUP" {
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where += " " + k + " BY "
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} else {
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where += " " + k
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}
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if reflect.ValueOf(v).Type().String() == "hotime.Slice" {
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for i := 0; i < len(v.(Slice)); i++ {
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where += " " + ObjToStr(v.(Slice)[i])
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if len(v.(Slice)) != i+1 {
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where += ","
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}
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}
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} else {
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//fmt.Println(v)
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where += " " + ObjToStr(v)
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}
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break
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}
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}
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}
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return where, res
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}
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func (this *HoTimeDB) varCond(k string, v interface{}) (string, []interface{}) {
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where := ""
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res := make([]interface{}, 0)
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length := len(k)
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if length > 4 {
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def := false
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switch Substr(k, length-3, 3) {
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case "[>]":
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k = strings.Replace(k, "[>]", "", -1)
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where += "`" + k + "`>? "
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res = append(res, v)
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case "[<]":
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k = strings.Replace(k, "[<]", "", -1)
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where += "`" + k + "`<? "
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res = append(res, v)
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case "[!]":
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k = strings.Replace(k, "[!]", "", -1)
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where, res = this.notIn(k, v, where, res)
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case "[#]":
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k = strings.Replace(k, "[#]", "", -1)
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where += "`" + k + "`=" + ObjToStr(v)
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case "[~]":
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k = strings.Replace(k, "[~]", "", -1)
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where += "`" + k + "` LIKE ? "
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v = "%" + v.(string) + "%"
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res = append(res, v)
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default:
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def = true
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}
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if def {
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switch Substr(k, length-4, 4) {
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case "[>=]":
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k = strings.Replace(k, "[>=]", "", -1)
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where += "`" + k + "`>=? "
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res = append(res, v)
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case "[<=]":
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k = strings.Replace(k, "[<]", "", -1)
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where += "`" + k + "`<=? "
|
|
res = append(res, v)
|
|
case "[><]":
|
|
k = strings.Replace(k, "[><]", "", -1)
|
|
where += "`" + k + "` NOT BETWEEN ? AND ? "
|
|
res = append(res, v.(Slice)[0])
|
|
res = append(res, v.(Slice)[1])
|
|
case "[<>]":
|
|
k = strings.Replace(k, "[<>]", "", -1)
|
|
where += "`" + k + "` BETWEEN ? AND ? "
|
|
res = append(res, v.(Slice)[0])
|
|
res = append(res, v.(Slice)[1])
|
|
default:
|
|
if reflect.ValueOf(v).Type().String() == "hotime.Slice" {
|
|
where += "`" + k + "` IN ("
|
|
res = append(res, (v.(Slice))...)
|
|
for i := 0; i < len(v.(Slice)); i++ {
|
|
if i+1 != len(v.(Slice)) {
|
|
where += "?,"
|
|
} else {
|
|
where += "?) "
|
|
}
|
|
//res=append(res,(v.(Slice))[i])
|
|
}
|
|
} else {
|
|
where += "`" + k + "`=? "
|
|
res = append(res, v)
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
} else {
|
|
//fmt.Println(reflect.ValueOf(v).Type().String())
|
|
if reflect.ValueOf(v).Type().String() == "hotime.Slice" {
|
|
|
|
//fmt.Println(v)
|
|
where += "`" + k + "` IN ("
|
|
res = append(res, (v.(Slice))...)
|
|
for i := 0; i < len(v.(Slice)); i++ {
|
|
if i+1 != len(v.(Slice)) {
|
|
where += "?,"
|
|
} else {
|
|
where += "?) "
|
|
}
|
|
//res=append(res,(v.(Slice))[i])
|
|
}
|
|
} else if reflect.ValueOf(v).Type().String() == "[]interface {}" {
|
|
where += "`" + k + "` IN ("
|
|
res = append(res, (v.([]interface{}))...)
|
|
for i := 0; i < len(v.([]interface{})); i++ {
|
|
if i+1 != len(v.([]interface{})) {
|
|
where += "?,"
|
|
} else {
|
|
where += "?) "
|
|
}
|
|
//res=append(res,(v.(Slice))[i])
|
|
}
|
|
} else {
|
|
where += "`" + k + "`=? "
|
|
res = append(res, v)
|
|
}
|
|
}
|
|
|
|
return where, res
|
|
}
|
|
|
|
// this.Db.Update("user",hotime.Map{"ustate":"1"},hotime.Map{"AND":hotime.Map{"OR":hotime.Map{"uid":4,"uname":"dasda"}},"ustate":1})
|
|
func (this *HoTimeDB) notIn(k string, v interface{}, where string, res []interface{}) (string, []interface{}) {
|
|
//where:=""
|
|
//fmt.Println(reflect.ValueOf(v).Type().String())
|
|
if reflect.ValueOf(v).Type().String() == "hotime.Slice" {
|
|
where += "`" + k + "` NOT IN ("
|
|
res = append(res, (v.(Slice))...)
|
|
for i := 0; i < len(v.(Slice)); i++ {
|
|
if i+1 != len(v.(Slice)) {
|
|
where += "?,"
|
|
} else {
|
|
where += "?) "
|
|
}
|
|
//res=append(res,(v.(Slice))[i])
|
|
}
|
|
} else if reflect.ValueOf(v).Type().String() == "[]interface {}" {
|
|
where += "`" + k + "` NOT IN ("
|
|
res = append(res, (v.([]interface{}))...)
|
|
for i := 0; i < len(v.([]interface{})); i++ {
|
|
if i+1 != len(v.([]interface{})) {
|
|
where += "?,"
|
|
} else {
|
|
where += "?) "
|
|
}
|
|
//res=append(res,(v.(Slice))[i])
|
|
}
|
|
} else {
|
|
where += "`" + k + "` !=? "
|
|
res = append(res, v)
|
|
}
|
|
|
|
return where, res
|
|
}
|
|
|
|
func (this *HoTimeDB) cond(tag string, data Map) (string, []interface{}) {
|
|
where := " "
|
|
res := make([]interface{}, 0)
|
|
lens := len(data)
|
|
//fmt.Println(lens)
|
|
for k, v := range data {
|
|
x := 0
|
|
for i := 0; i < len(condition); i++ {
|
|
|
|
if condition[i] == k {
|
|
|
|
tw, ts := this.cond(k, v.(Map))
|
|
if lens--; lens <= 0 {
|
|
//fmt.Println(lens)
|
|
where += "(" + tw + ") "
|
|
} else {
|
|
where += "(" + tw + ") " + tag + " "
|
|
}
|
|
|
|
res = append(res, ts...)
|
|
break
|
|
}
|
|
x++
|
|
}
|
|
|
|
if x == len(condition) {
|
|
|
|
tv, vv := this.varCond(k, v)
|
|
|
|
res = append(res, vv...)
|
|
if lens--; lens <= 0 {
|
|
where += tv + ""
|
|
} else {
|
|
where += tv + " " + tag + " "
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return where, res
|
|
}
|
|
|
|
//更新数据
|
|
func (this *HoTimeDB) Update(table string, data Map, where Map) int64 {
|
|
|
|
query := "UPDATE " + table + " SET "
|
|
//UPDATE Person SET Address = 'Zhongshan 23', City = 'Nanjing' WHERE LastName = 'Wilson'
|
|
qs := make([]interface{}, 0)
|
|
tp := len(data)
|
|
|
|
for k, v := range data {
|
|
vstr := "?"
|
|
if Substr(k, len(k)-3, 3) == "[#]" {
|
|
k = strings.Replace(k, "[#]", "", -1)
|
|
|
|
vstr = ObjToStr(v)
|
|
} else {
|
|
qs = append(qs, v)
|
|
}
|
|
query += "`" + k + "`=" + vstr + ""
|
|
if tp--; tp != 0 {
|
|
query += ", "
|
|
}
|
|
}
|
|
|
|
temp, resWhere := this.where(where)
|
|
//fmt.Println(resWhere)
|
|
|
|
query += temp
|
|
qs = append(qs, resWhere...)
|
|
|
|
res, err := this.Exec(query, qs...)
|
|
|
|
if err.GetError() != nil {
|
|
|
|
return 0
|
|
}
|
|
|
|
//return 0
|
|
rows, _ := res.RowsAffected()
|
|
return rows
|
|
}
|
|
|
|
func (this *HoTimeDB) Delete(table string, data map[string]interface{}) int64 {
|
|
|
|
query := "DELETE FROM " + table + " "
|
|
|
|
temp, resWhere := this.where(data)
|
|
query += temp
|
|
|
|
res, err := this.Exec(query, resWhere...)
|
|
|
|
if err.GetError() != nil {
|
|
return 0
|
|
}
|
|
|
|
//return 0
|
|
rows, _ := res.RowsAffected()
|
|
return rows
|
|
}
|
|
|
|
//插入新数据
|
|
func (this *HoTimeDB) Insert(table string, data map[string]interface{}) int64 {
|
|
|
|
values := make([]interface{}, 0)
|
|
queryString := " ("
|
|
valueString := " ("
|
|
|
|
lens := len(data)
|
|
tempLen := 0
|
|
for k, v := range data {
|
|
tempLen++
|
|
values = append(values, v)
|
|
if tempLen < lens {
|
|
queryString += "`" + k + "`,"
|
|
valueString += "?,"
|
|
} else {
|
|
queryString += "`" + k + "`) "
|
|
valueString += "?);"
|
|
}
|
|
|
|
}
|
|
query := "INSERT INTO " + table + queryString + "VALUES" + valueString
|
|
|
|
res, err := this.Exec(query, values...)
|
|
|
|
if err.GetError() != nil {
|
|
|
|
return 0
|
|
}
|
|
|
|
id, e := res.LastInsertId()
|
|
this.LastErr.SetError(e)
|
|
if e != nil {
|
|
return 0
|
|
}
|
|
//fmt.Println(id)
|
|
return id
|
|
}
|