增加跨域配置，以及增加配置说明

tools/db/auto.go

@@ -0,0 +1,18 @@
+package db
+
+import (
+	"code.hoteas.com/hoteas/hotime"
+	"code.hoteas.com/hoteas/hotime/tools/mysql"
+	"code.hoteas.com/hoteas/hotime/tools/sqlite"
+	"strings"
+)
+
+func SetDB(appIns *hotime.Application) {
+	if appIns.Config.GetString("dbType") == "sqlite" || strings.Index(appIns.Config.GetString("dbName"), ".db") == len(appIns.Config.GetString("dbName"))-3 {
+		appIns.Config["dbType"] = "sqlite"
+		sqlite.SetDB(appIns)
+	} else {
+		appIns.Config["dbType"] = "mysql"
+		mysql.SetDB(appIns)
+	}
+}

tools/mysql/mysql.go

@@ -0,0 +1,19 @@
+package mysql
+
+import (
+	"code.hoteas.com/hoteas/hotime"
+	"database/sql"
+	_ "github.com/go-sql-driver/mysql"
+)
+
+func SetDB(appIns *hotime.Application) {
+	appIns.SetConnectDB(func(err ...*hotime.Error) *sql.DB {
+		query := appIns.Config.GetString("dbUser") + ":" + appIns.Config.GetString("dbPwd") +
+			"@tcp(" + appIns.Config.GetString("dbHost") + ":" + appIns.Config.GetString("dbPort") + ")/" + appIns.Config.GetString("dbName") + "?charset=utf8"
+		DB, e := sql.Open("mysql", query)
+		if e != nil && len(err) != 0 {
+			err[0].SetError(e)
+		}
+		return DB
+	})
+}

tools/sqlite/sqlite.go

@@ -0,0 +1,17 @@
+package sqlite
+
+import (
+	"code.hoteas.com/hoteas/hotime"
+	"database/sql"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func SetDB(appIns *hotime.Application) {
+	appIns.SetConnectDB(func(err ...*hotime.Error) *sql.DB {
+		db, e := sql.Open("sqlite3", appIns.Config.GetString("dbName"))
+		if e != nil && len(err) != 0 {
+			err[0].SetError(e)
+		}
+		return db
+	})
+}