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最新推荐文章于 2024-11-20 11:17:32 发布

weixin_42957479

最新推荐文章于 2024-11-20 11:17:32 发布

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public class ProvinceServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private ProviceServiceI proviceService = new ProviceServiceImpl();

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 */
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	request.setCharacterEncoding("UTF-8");
	response.setCharacterEncoding("UTF-8");
	String method = request.getParameter("method");
	
	if ("initProvince".equals(method)) {
		initProvince(request, response);
	}else if ("getCity".equals(method)) {
		getCity(request, response);
	}else if ("getArea".equals(method)) {
		getArea(request, response);
	}
}

private void getArea(HttpServletReque![在这里插入图片描述](https://img-blog.youkuaiyun.com/20180920131229240?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mjk1NzQ3OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70)st request, HttpServletResponse response) throws IOException {
	// TODO Auto-generated method stub
	response.setContentType("text.html; charset=UTF-8");
	PrintWriter out = response.getWriter();
	
	String cityCode = request.getParameter("cityCode");
	List<Area> bycityCode = proviceService.getAreaByCityCode(cityCode);
	
	String jsonString = JSON.toJSONString(bycityCode);
	out.write(jsonString);
	
}

private void getCity(HttpServletRequest request, HttpServletResponse response) throws IOException {
	// TODO Auto-generated method stub
	response.setContentType("text.html; charset=UTF-8");
	PrintWriter out = response.getWriter();
	
	String provCode = request.getParameter("provCode");
	List<City> cityList = proviceService.getCityByProvCode(provCode);
	System.out.println(cityList);
	
	String jsonString = JSON.toJSONString(cityList);
	out.write(jsonString);
	
	
}

private void initProvince(HttpServletRequest request, HttpServletResponse response) throws IOException {
	// TODO Auto-generated method stub
	response.setContentType("text.html; charset=UTF-8");
	PrintWriter out = response.getWriter();		//向前台的jsp页面 输出结果
	
	List<Province> provList = proviceService.getAllProvince();
	System.out.println(provList);
	String jsonString = JSON.toJSONString(provList);
	out.write(jsonString);

	
	
}

/**
 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	// TODO Auto-generated method stub
	doGet(request, response);
}

}
在这里插入图片描述