showimage.java 1.3 KB
package com.servlet.bksh.DMC;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class showimage extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = -5036114696176316944L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html");

		String dir = this.getServletContext().getRealPath("/");
		String filepath = dir + "bkshimag";
		String re = "{root:[";
		File file = new File(filepath);// 获得这个文件的对象
		if (!file.exists())
			file.mkdir();
		for (int i = 0; i < file.list().length; i++) {
			String name = file.list()[i];
			if (i == 0)
				re += "{filename:'" + name + "'}";
			else
				re += ",{filename:'" + name + "'}";
		}
		PrintWriter out = response.getWriter();
		out.write(re + "]}");
		out.close();
	}

}