Json例子（remember!!）

最後更新：2018-12-03 來源：互聯網

上載者：User

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1.Address類

package com.xuankai.model;

public class Address
{
   private String homeAddress;
   private String companyAddress;
   public String getHomeAddress()
   {
       return homeAddress;
   }
   public void setHomeAddress(String homeAddress)
   {
       this.homeAddress = homeAddress;
   }
   public String getCompanyAddress()
   {
       return companyAddress;
   }
   public void setCompanyAddress(String companyAddress)
   {
       this.companyAddress = companyAddress;
   }

}

2.people類

package com.xuankai.model;

import java.util.List;

public class People
{
   private int id;
   private String name;
   private Address address;
   private List<People> frends;

   public int getId()
   {
       return id;
   }
   public void setId(int id)
   {
       this.id = id;
   }
   public String getName()
   {
       return name;
   }
   public void setName(String name)
   {
       this.name = name;
   }
   public Address getAddress()
   {
       return address;
   }
   public void setAddress(Address address)
   {
       this.address = address;
   }
   public List<People> getFrends()
   {
       return frends;
   }
   public void setFrends(List<People> frends)
   {
       this.frends = frends;
   }


}

3.Servlet : JsonServlet

package com.xuankai.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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

import com.google.gson.Gson; //匯入Gson
import com.xuankai.model.Address;
import com.xuankai.model.People;

public class JsonServlet extends HttpServlet
{
   @Override
   protected void doGet(HttpServletRequest req, HttpServletResponse resp)
           throws ServletException, IOException
   {

       List<People> list = new ArrayList<People>();

       People people1 = new People();
       people1.setId(1);
       people1.setName("jack1");

       Address address1 = new Address();
       address1.setHomeAddress("beijing");
       address1.setCompanyAddress("tianjing");

       people1.setAddress(address1);

       People people11 = new People();
       people11.setId(4);
       people11.setName("jack11");

       People people12 = new People();
       people12.setId(5);
       people12.setName("jack12");

       List<People> friends1 = new ArrayList<People>();
       friends1.add(people11);
       friends1.add(people12);

       people1.setFrends(friends1);

       System.out.println("*****************************");

       People people2 = new People();
       people2.setId(2);
       people2.setName("tom2");

       Address address2 = new Address();
       address2.setHomeAddress("liaoning");
       address2.setCompanyAddress("jilin");

       people2.setAddress(address2);

       People people21 = new People();
       people21.setId(6);
       people21.setName("tom21");

       People people22 = new People();
       people22.setId(7);
       people22.setName("tom22");

       List<People> friends2 = new ArrayList<People>();
       friends2.add(people21);
       friends2.add(people22);

       people2.setFrends(friends2);

       list.add(people1);
       list.add(people2);

       Gson gson = new Gson();

       String result = gson.toJson(list);

       System.out.println(result);

       resp.setContentType("application/json;charset=utf-8");

       resp.setHeader("pragma","no-cache");
       resp.setHeader("cache-control","no-cache");

       PrintWriter out = resp.getWriter();

       out.println(result);

       out.flush();
   }
}

4.json.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

                       var html = "<table width='60%' border='1' align='center'><tr><th>id</th><th>name</th><th>companyAddress</th><th>homeAddress</th><tr>";

                       for(var i=0;i<returnedData.length;i++)
                       {
                           var people = returnedData[i];

                           var id = people.id;
                           var name = people.name;
                           var companyAddress = people.address.companyAddress;
                           var homeAddress = people.address.homeAddress;

                           html += "<tr align='center'><td>"+id+"</td><td>"+name+"</td><td>"+companyAddress+"</td><td>"+homeAddress+"</td></tr>";
                       }

                       html += "</table>";

                       $("#body table:eq(0)").remove();
                       $("#body").append(html);

                   }
                   );

       });

   });


   </script>

</head>

<body id="body">

<input type="button" value="get content from server" id="button">

</body>
</html>

運行結果為：

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

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Json例子（remember!!）

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