12 2020 档案
摘要：下载ogr2ogr工具 链接如下：https://www.gisinternals.com/query.html?content=filelist&file=release-1911-x64-gdal-3-0-4-mapserver-7-4-3.zip下载后解压即可，无需安装。 运行ogr2ogr
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摘要：一、调用例子： <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>经纬度转高德百度</title> </head> <body> <h1>请按F12打开控制台查看结果</h1> <script src="js/coordtrans
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摘要：SELECT * from river as R LIMIT 10; -- 先备份垃圾到表temp1,然后删除垃圾数据 CREATE TABLE temp1 as select * from river where ST_IsValid(geom) = false; delete from rive
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