E-Commerce

A Mobile Commerce Model for Automobile Rescue Services 263Method name and parameterspublic void service(HttpServletRequest req,HttpServletResponse res)Hashtable getFormFieldsHT(HttpServletRequest req,MapToolkit toolkit)MapJ initMapJ()private voidsendHTMLResponse(HttpServletResponse res,HttpServletRequest req,Hashtable ht,MapToolkit toolkit, StringstrRequestType)private voidsendImageResponse(HttpServletResponse res,HttpServletRequest req)private void sendMsgResponse(HttpServletResponse res,HttpServletRequest req)voidapplyHiddenFormFields(MapJmyMap, Hashtable ht, HttpSessionsession)public voidFindingXYFeature(MapJmyMap,Hashtable ht,DoublePoint dp)public voidFindingXYFeature2(MapJmyMap,Hashtable ht,DoublePoint dp)private void setMapSize(MapJmyMap, boolean bSmallSize)public voidrendeFindFeature(MapJmyMap,FeatureSet fs,DoublePoint dp)Method DescriptionThe main function of servlet.Access to list of all the parameters of therequest, and save them in the Hashtable.Initialization map objectThis method return the page controls ofcontroling map and the map table.According to the user’s request, the methoswill generate a picture to the client.Build a MSG to the user. This method canshow the location of users.Application of user-defined map displaysettingsAccroding to the latitude and longitude, thismethod can return surroundingenvironment information.Accroding to the latitude and longitude, thismethod cannot return surroundingenvironment information.Set the display size of mapMark and highlight the points of mapTable 2. The main methods and descriptions of the user-defined servlet5. ConclusionWith the advance of mobile commerce technology, mobile businesses rapidly gain itspopularity. Many factors, including LBS (Location-Based Services) SMS and Electronic Mapare becoming the key words of mobile business. The authors comprehend those factors as