createDissolvedGDB 在工作区上创建文件 gdb

def createDissolvedGDB(workspace, gdbName):
    gdb_name = workspace + "/" + gdbName + ".gdb"

    if(arcpy.Exists(gdb_name):
        arcpy.Delete_management(gdb_name)
        arcpy.CreateFileGDB_management(workspace, gdbName, "")
    else:
        arcpy.CreateFileGDB_management(workspace, gdbName, "")

    return gdb_name