数据格式：

创建test数据库 

注意要选择postgis范本

执行代码

 
import psycopg2
from psycopg2.extras import RealDictCursor
from shapely.wkt import dumps
from shapely.geometry import Polygon

# 数据
data = [
    {
        'name': 'a',
        'geom':
            '104.059962,30.647005;104.06156,30.649142;104.062694,30.650745;104.063921,30.652742;104.064346,30.652746;104.064561,30.652686;104.065495,30.652663;104.059962,30.647005',
    },
    {
        'name': 'b',
        'geom':
            '104.236258,30.686956;104.234757,30.687411;104.233716,30.687536;104.232814,30.687523;104.231929,30.687296;104.231295,30.686936;104.230775,30.686467;104.229629,30.685142;104.229014,30.684482;104.22838,30.683951;104.227979,30.683657;104.227813,30.683835;104.227269,30.684107;104.227149,30.684118;104.226463,30.684118;104.225964,30.684232;104.225459,30.684294;104.236258,30.686956',
    },
]

# 连接PostgreSQL数据库
connection = psycopg2.connect(
    dbname="test",
    user="postgres",
    password="user",
    host="localhost",  # 请替换为实际数据库服务器地址
    port="5432"
)

# 创建游标对象
cursor = connection.cursor(cursor_factory=RealDictCursor)

# 创建表（如果不存在）
cursor.execute("""
    CREATE TABLE IF NOT EXISTS keshan (
        id SERIAL PRIMARY KEY,
        name VARCHAR(255),
        geom GEOMETRY(POLYGON, 4326)
    );
""")

# 清空keshan表（如果已存在）
cursor.execute("""
    DELETE FROM keshan;
    ALTER SEQUENCE keshan_id_seq RESTART WITH 1; -- 重置id序列
""")

# 将polyline转换为Polygon对象
def polyline_to_polygon(polyline):
    points = [(float(x), float(y)) for x, y in [p.split(',') for p in polyline.split(';')]]
    return Polygon(points)

# 插入数据
for district in data:
    polygon = polyline_to_polygon(district['geom'])
    wkt = dumps(polygon, rounding_precision=6)
    
    # 插入记录
    cursor.execute("""
        INSERT INTO keshan (name, geom) VALUES (%s, ST_GeomFromText(%s, 4326))
    """, (district['name'], wkt))

# 提交事务
connection.commit()

# 关闭游标和连接
cursor.close()
connection.close()