Opanlayers用LineString画多边形

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OpenLayers Select Feature Example
    

        vector, feature, selecting, selection, advanced
    
        
    

      Select a feature on hover or click with the Control.SelectFeature on a
      vector layer.
    
  
    

    

        

            
            navigate
        
        

            
            draw point
        
        

            
            draw line
        
        

            
            draw polygon
        
        

            
            Select features on hover
        
        

            
            select feature (0 features selected)
            

                

                    
                    select features in a box
                
                

                    
                    click out to unselect features
                
            
        
    
    
Use the shift key to select multiple features.  Use the ctrl key to
    toggle selection on features one at a time.  Note: the "clickout" option has no
    effect when "hover" is selected.