void CShapefileEditView::ReadSHPHead(FILE* ReadFile){fread(&m_filehead.FileCode,sizeof(int),1,ReadFile);//读取filecodem_filehead.FileCode=BigendianAndLittleendian(m_filehead.FileCode);int code=m_filehead.FileCode;fread(&m_filehead.Unused[0],sizeof(int

sql联合查询的详细讲解 select * from 表A,表A子表 where 表A.FileCode = 表A子表.FileCode and 表A.ID in (select 表A子表.ID from 表A子表 where Vc_Code = '1190' AND Vc_Num ='111300' AND Er_Num ='0101'); 这个查询的条件在子表，而结果在父表，没用关联查询，直接查询2个表

java识别文件编码格式(无三方JAR包)

但很多时候为了方便，我们会自定义生成文本文件的函数 Function createTextFile(Byval content,Byval fileDir,Byval code) dim fileobj,fileCode : fileDir=replace(fileDir, "\", "/") if isNul(code) then fileCode=Charset else fileCode=code call createfolder(fileDir,"filedir") if f

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