improve gutil.Dump, improve sqlite file searching when opening db file

database/gdb/gdb.go

@@ -11,6 +11,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"time"
 
 	"github.com/gogf/gf/os/glog"
@@ -370,6 +371,7 @@ func (c *Core) getSqlDb(master bool, schema ...string) (sqlDb *sql.DB, err error
 	v := c.cache.GetOrSetFuncLock(node.String(), func() interface{} {
 		sqlDb, err = c.DB.Open(node)
 		if err != nil {
+			intlog.Printf("DB open failed: %v, %+v", err, node)
 			return nil
 		}
 		if c.maxIdleConnCount > 0 {

database/gdb/gdb_driver_sqlite.go

@@ -14,6 +14,7 @@ import (
 	"database/sql"
 	"fmt"
 	"github.com/gogf/gf/internal/intlog"
+	"github.com/gogf/gf/os/gfile"
 	"github.com/gogf/gf/text/gstr"
 	"strings"
 )
@@ -34,11 +35,16 @@ func (d *DriverSqlite) New(core *Core, node *ConfigNode) (DB, error) {
 // Open creates and returns a underlying sql.DB object for sqlite.
 func (d *DriverSqlite) Open(config *ConfigNode) (*sql.DB, error) {
 	var source string
+	var err error
 	if config.LinkInfo != "" {
 		source = config.LinkInfo
 	} else {
 		source = config.Name
 	}
+	source, err = gfile.Search(source)
+	if err != nil {
+		return nil, err
+	}
 	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("sqlite3", source); err == nil {
 		return db, nil