{ "ID": 18, "fieldNames": [ "SMID", "SMLENGTH", "SMSDRIW", "SMSDRIN", "SMSDRIE", "SMSDRIS", "SMUSERID", "SMTOPOERROR", "SMGEOMETRYSIZE", "SMGEOPOSITION", "所属镇", "所属村", "年份", "状态", "Z" ], "fieldValues": [ "18", "62.07958578520052", "121.54979", "31.02312", "121.549965", "31.022633", "0", "0", "76", "1804956", "航头镇", "长达村", "2021", "建设中", "0.0" ], "geometry": { "center": { "x": 121.54978575357855, "y": 31.022721417296157 }, "id": 18, "parts": [4], "points": [ { "x": 121.54996737419518, "y": 31.023120420376276 }, { "x": 121.54986425987515, "y": 31.02306109998451 }, { "x": 121.54978575357855, "y": 31.022721417296157 }, { "x": 121.54985463565622, "y": 31.022632614636333 } ], "prjCoordSys": null, "style": null, "type": "LINE" } }