ovf文件:
<OGRVRTDataSource>
    <OGRVRTLayer name="aqidata">
        <SrcDataSource>MYSQL:cmias,user=root,password=123456,host=127.0.0.1,port=3306,useUnicode=true,characterEncoding=GBK</SrcDataSource> 
        <SrcSQL>SELECT exam.invet_obj, invet_info.lati, invet_info.longi, invet_info.grid FROM exam left join invet_info on invet_info.id=exam.invet_id</SrcSQL> 
        <GeometryType>wkbPoint</GeometryType>
        <GeometryField encoding="PointFromColumns" x="lati" y="longi"/> 
    </OGRVRTLayer>
</OGRVRTDataSource>map文件:
#####################################
 LAYER  #调查点图
    NAME "dili"
    STATUS DEFAULT
    TYPE POINT
    CONNECTIONTYPE OGR  
    CONNECTION "aqidata.ovf"
    DATA "aqidata"
    ##LABELITEM "areaid"
    CLASSITEM "grid"
    LABELITEM "invet_obj"
    CLASS 
      NAME "MyClass"
       LABEL
        COLOR 255 0 0
        TYPE TRUETYPE
        ENCODING GB2312
        FONT songti
        SIZE 40
        ANTIALIAS TRUE
        #POSITION CL
        PARTIALS FALSE
        MINDISTANCE 300
        BUFFER 4
      END 
     STYLE
      SYMBOL 'square'
      SIZE 2 ##SIZE [samplevalue]  ##SIZEITEM 'samplevalue'
      COLOR 255 0 0
     END ##end style
    END ##end class
 END 不支持label标签中文,哪位兄弟用过?帮帮忙!