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tomcat服务器用Servlet类查找磁盘文件上的Json信息,如果匹配则在浏览器上显示出该条内容的全部信息

发布时间:2017-09-13 15:29:59
package com.swift;import java.io.BufferedReader;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStreamReader;i ...
package com.swift;import java.io.BufferedReader;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import com.google.gson.Gson;/** * Servlet implementation class FindServlet */@WebServlet("/find")public class FindServlet extends HttpServlet { private static final long serialVersionUID = 1L;   /**  * @see HttpServlet#HttpServlet()  */ public FindServlet() {  super();  // TODO Auto-generated constructor stub } /**  * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)  */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {  //response.setCharacterEncoding("utf-8");  response.setContentType("text/html;charset=utf-8");  BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream("d:/student.json"),"utf-8"));  List<Student> list=new ArrayList<Student>();  String str;  while((str=br.readLine())!=null) {   Gson gson=new Gson();   Student stu=gson.fromJson(str, Student.class);   list.add(stu);  }  br.close();  String name=request.getParameter("name");  for(Student stu:list) {   if(stu.getName().equals(name)) {    Gson gson=new Gson();    String json=gson.toJson(stu);    response.getWriter().println(json);   }  } } /**  * @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); }}

tomcat服务器用Servlet类查找磁盘文件上的Json信息,如果匹配则在浏览器上显示出该条内容的全部信息

 

原标题:tomcat服务器用Servlet类查找磁盘文件上的Json信息,如果匹配则在浏览器上显示出该条内容的全部信息

关键词:JS

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