model support globbing patterns (#153)

* model support globbing patterns

* optimize model

* optimize model

* format code

tools/goctl/model/sql/example/generator.sh

@@ -1,7 +1,11 @@
 #!/bin/bash
 
 # generate model with cache from ddl
-goctl model mysql ddl -src="./sql/user.sql" -dir="./sql/model" -c
+goctl model mysql ddl -src="./sql/*.sql" -dir="./sql/model/user" -c
 
 # generate model with cache from data source
-#goctl model mysql datasource -url="user:password@tcp(127.0.0.1:3306)/database" -table="table1,table2"  -dir="./model"
+#user=root
+#password=password
+#datasource=127.0.0.1:3306
+#database=test
+#goctl model mysql datasource -url="${user}:${password}@tcp(${datasource})/${database}" -table="*" -dir ./model