feat(request): 实现请求参数获取方法
- 完成 ReqParam/ReqParams 方法实现,用于获取 URL 参数并返回 *Obj - 完成 ReqForm/ReqForms 方法实现,用于获取表单数据并返回 *Obj - 完成 ReqJson/ReqJsons 方法实现,用于获取 JSON Body 并返回 *Obj - 完成 ReqFile/ReqFiles 方法实现,用于获取上传文件 - 完成 ReqData/ReqDatas 方法实现,用于统一封装请求数据获取并返回 *Obj - 更新计划文件状态,标记所有相关功能模块为已完成
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package db
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import (
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. "code.hoteas.com/golang/hotime/common"
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"database/sql"
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"encoding/json"
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"errors"
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"reflect"
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"strings"
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)
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// md5 生成查询的 MD5 哈希(用于缓存)
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func (that *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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// Query 执行查询 SQL
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func (that *HoTimeDB) Query(query string, args ...interface{}) []Map {
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return that.queryWithRetry(query, false, args...)
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}
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// queryWithRetry 内部查询方法,支持重试标记
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func (that *HoTimeDB) queryWithRetry(query string, retried bool, args ...interface{}) []Map {
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// 保存调试信息(加锁保护)
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that.mu.Lock()
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that.LastQuery = query
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that.LastData = args
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that.mu.Unlock()
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defer func() {
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if that.Mode != 0 {
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that.mu.RLock()
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that.Log.Info("SQL:"+that.LastQuery, " DATA:", that.LastData, " ERROR:", that.LastErr.GetError())
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that.mu.RUnlock()
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}
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}()
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var err error
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var resl *sql.Rows
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// 主从数据库切换,只有select语句有从数据库
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db := that.DB
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if that.SlaveDB != nil {
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db = that.SlaveDB
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}
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if db == nil {
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err = errors.New("没有初始化数据库")
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that.LastErr.SetError(err)
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return nil
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}
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// 处理参数中的 slice 类型
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processedArgs := that.processArgs(args)
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if that.Tx != nil {
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resl, err = that.Tx.Query(query, processedArgs...)
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} else {
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resl, err = db.Query(query, processedArgs...)
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}
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that.LastErr.SetError(err)
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if err != nil {
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// 如果还没重试过,尝试 Ping 后重试一次
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if !retried {
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if pingErr := db.Ping(); pingErr == nil {
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return that.queryWithRetry(query, true, args...)
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}
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}
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return nil
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}
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return that.Row(resl)
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}
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// Exec 执行非查询 SQL
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func (that *HoTimeDB) Exec(query string, args ...interface{}) (sql.Result, *Error) {
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return that.execWithRetry(query, false, args...)
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}
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// execWithRetry 内部执行方法,支持重试标记
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func (that *HoTimeDB) execWithRetry(query string, retried bool, args ...interface{}) (sql.Result, *Error) {
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// 保存调试信息(加锁保护)
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that.mu.Lock()
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that.LastQuery = query
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that.LastData = args
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that.mu.Unlock()
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defer func() {
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if that.Mode != 0 {
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that.mu.RLock()
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that.Log.Info("SQL: "+that.LastQuery, " DATA: ", that.LastData, " ERROR: ", that.LastErr.GetError())
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that.mu.RUnlock()
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}
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}()
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var e error
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var resl sql.Result
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if that.DB == nil {
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err := errors.New("没有初始化数据库")
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that.LastErr.SetError(err)
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return nil, that.LastErr
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}
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// 处理参数中的 slice 类型
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processedArgs := that.processArgs(args)
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if that.Tx != nil {
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resl, e = that.Tx.Exec(query, processedArgs...)
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} else {
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resl, e = that.DB.Exec(query, processedArgs...)
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}
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that.LastErr.SetError(e)
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// 判断是否连接断开了,如果还没重试过,尝试重试一次
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if e != nil {
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if !retried {
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if pingErr := that.DB.Ping(); pingErr == nil {
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return that.execWithRetry(query, true, args...)
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}
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}
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return resl, that.LastErr
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}
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return resl, that.LastErr
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}
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// processArgs 处理参数中的 slice 类型
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func (that *HoTimeDB) processArgs(args []interface{}) []interface{} {
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processedArgs := make([]interface{}, len(args))
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copy(processedArgs, args)
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for key := range processedArgs {
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arg := processedArgs[key]
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if arg == nil {
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continue
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}
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argType := reflect.ValueOf(arg).Type().String()
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if strings.Contains(argType, "[]") || strings.Contains(argType, "Slice") {
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argLis := ObjToSlice(arg)
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// 将slice转为逗号分割字符串
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argStr := ""
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for i := 0; i < len(argLis); i++ {
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if i == len(argLis)-1 {
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argStr += ObjToStr(argLis[i])
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} else {
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argStr += ObjToStr(argLis[i]) + ","
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}
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}
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processedArgs[key] = argStr
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}
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}
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return processedArgs
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}
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// Row 数据库数据解析
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func (that *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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err := resl.Scan(b...)
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if err != nil {
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that.LastErr.SetError(err)
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return nil
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}
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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] // 取实际类型
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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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