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

db/backup.go

@@ -0,0 +1,93 @@
+package db
+
+import (
+	. "code.hoteas.com/golang/hotime/common"
+	"os"
+	"strings"
+)
+
+// backupSave 保存备份
+// path: 备份文件路径
+// tt: 表名
+// code: 备份类型 0=全部, 1=仅数据, 2=仅DDL
+func (that *HoTimeDB) backupSave(path string, tt string, code int) {
+	fd, _ := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
+	defer fd.Close()
+
+	str := "\r\n"
+	if code == 0 || code == 2 {
+		str += that.backupDdl(tt)
+	}
+
+	if code == 0 || code == 1 {
+		str += "insert  into `" + tt + "`\r\n\r\n("
+		str += that.backupCol(tt)
+	}
+
+	_, _ = fd.Write([]byte(str))
+}
+
+// backupDdl 备份表结构（DDL）
+func (that *HoTimeDB) backupDdl(tt string) string {
+	data := that.Query("show create table " + tt)
+	if len(data) == 0 {
+		return ""
+	}
+
+	return ObjToStr(data[0]["Create Table"]) + ";\r\n\r\n"
+}
+
+// backupCol 备份表数据
+func (that *HoTimeDB) backupCol(tt string) string {
+	str := ""
+	data := that.Select(tt, "*")
+
+	lthData := len(data)
+
+	if lthData == 0 {
+		return str
+	}
+
+	lthCol := len(data[0])
+	col := make([]string, lthCol)
+	tempLthData := 0
+
+	for k := range data[0] {
+		if tempLthData == lthCol-1 {
+			str += "`" + k + "`) "
+		} else {
+			str += "`" + k + "`,"
+		}
+		col[tempLthData] = k
+		tempLthData++
+	}
+
+	str += " values"
+
+	for j := 0; j < lthData; j++ {
+		for m := 0; m < lthCol; m++ {
+			if m == 0 {
+				str += "("
+			}
+
+			v := "NULL"
+			if data[j][col[m]] != nil {
+				v = "'" + strings.Replace(ObjToStr(data[j][col[m]]), "'", `\'`, -1) + "'"
+			}
+
+			if m == lthCol-1 {
+				str += v + ") "
+			} else {
+				str += v + ","
+			}
+		}
+
+		if j == lthData-1 {
+			str += ";\r\n\r\n"
+		} else {
+			str += ",\r\n\r\n"
+		}
+	}
+
+	return str
+}