java微信开发API第四步 微信自定义个性化菜单实现

package com.gist.utils;

import java.io.file;
import java.io.fileinputstream;
import java.io.fileoutputstream;
import java.io.ioexception;
import java.io.inputstreamreader;
import java.net.url;

import javax.net.ssl.httpsurlconnection;

import com.gist.bean.access_token;
import com.google.gson.gson;

/**
 * @author 高远</n> 邮箱：wgyscsf@163.com</n> 博客 http://blog.csdn.net/wgyscsf</n>
 *  编写时期 2016-4-7 下午5:44:33
 */
public class accesstokenutils {
 private static final long max_time = 7200 * 1000;// 微信允许最长access_token有效时间（ms）
 private static final string tag = "weixinapitest";// tag
 private static final string appid = "wx889b020b3666b0b8";// appid
 private static final string secert = "6da7676bf394f0a9f15fbf06027856bb";// 秘钥

 /*
 * 该方法实现获取access_token、保存并且只保存2小时access_token。如果超过两个小时重新获取；如果没有超过两个小时，直接获取。该方法依赖
 * ：public static string getaccesstoken()；
 * 
 * 思路:将获取到的access_token和当前时间存储到file里，
 * 取出时判断当前时间和存储里面的记录的时间的时间差，如果大于max_time,重新获取，并且将获取到的存储到file替换原来的内容
 * ，如果小于max_time，直接获取。
 */
 // 为了调用不抛异常，这里全部捕捉异常，代码有点长
 public static string getsavedaccess_token() {
 gson gson = new gson();// 第三方jar,处理json和bean的转换
 string maccess_token = null;// 需要获取的access_token；
 fileoutputstream fos = null;// 输出流
 fileinputstream fis = null;// 输入流
 file file = new file("temp_access_token.temp");// access_token保存的位置
 try {
  // 如果文件不存在，创建
  if (!file.exists()) {
  file.createnewfile();
  }
 } catch (exception e1) {
  e1.printstacktrace();
 }
 // 如果文件大小等于0，说明第一次使用，存入access_token
 if (file.length() == 0) {
  try {
  maccess_token = getaccesstoken();// 获取accesstoken
  access_token at = new access_token();
  at.setaccess_token(maccess_token);
  at.setexpires_in(system.currenttimemillis() + "");// 设置存入时间
  string json = gson.tojson(at);
  fos = new fileoutputstream(file, false);// 不允许追加
  fos.write((json).getbytes());// 将accesstoken和当前时间存入文件
  fos.close();
  return maccess_token;
  } catch (exception e) {
  e.printstacktrace();
  }
 } else {
  // 读取文件内容
  byte[] b = new byte[2048];
  int len = 0;
  try {
  fis = new fileinputstream(file);
  len = fis.read(b);
  } catch (ioexception e1) {
  // todo auto-generated catch block
  e1.printstacktrace();
  }
  string mjsonaccess_token = new string(b, 0, len);// 读取到的文件内容
  access_token access_token = gson.fromjson(mjsonaccess_token,
   new access_token().getclass());
  if (access_token.getexpires_in() != null) {
  long savetime = long.parselong(access_token.getexpires_in());
  long nowtime = system.currenttimemillis();
  long remiantime = nowtime - savetime;
  // system.out.println(tag + "时间差：" + remiantime + "ms");
  if (remiantime < max_time) {
   access_token at = gson.fromjson(mjsonaccess_token,
    new access_token().getclass());
   maccess_token = at.getaccess_token();
   return maccess_token;
  } else {
   maccess_token = getaccesstoken();
   access_token at = new access_token();
   at.setaccess_token(maccess_token);
   at.setexpires_in(system.currenttimemillis() + "");
   string json = gson.tojson(at);
   try {
   fos = new fileoutputstream(file, false);// 不允许追加
   fos.write((json).getbytes());
   fos.close();
   } catch (ioexception e) {
   // todo auto-generated catch block
   e.printstacktrace();
   }
   return maccess_token;
  }

  } else {
  return null;
  }
 }

 return maccess_token;
 }

 /*
 * 获取微信服务器accesstoken。该部分和getaccess_token() 一致，不再加注释
 */
 public static string getaccesstoken() {
 string urlstring = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="
  + appid + "&secret=" + secert;
 string reslut = null;
 try {
  url requrl = new url(urlstring);
  httpsurlconnection httpsconn = (httpsurlconnection) requrl
   .openconnection();
  inputstreamreader isr = new inputstreamreader(
   httpsconn.getinputstream());
  char[] chars = new char[1024];
  reslut = "";
  int len;
  while ((len = isr.read(chars)) != -1) {
  reslut += new string(chars, 0, len);
  }
  isr.close();
 } catch (ioexception e) {

  e.printstacktrace();
 }
 gson gson = new gson();
 access_token access_token = gson.fromjson(reslut,
  new access_token().getclass());
 if (access_token.getaccess_token() != null) {
  return access_token.getaccess_token();
 } else {
  return null;
 }
 }
}

 {
 "button":[
 { 
  "type":"click",
  "name":"今日歌曲",
  "key":"v1001_today_music"
 },
 {
  "name":"菜单",
  "sub_button":[
  { 
  "type":"view",
  "name":"搜索",
  "url":"http://www.soso.com/"
  },
  {
  "type":"view",
  "name":"视频",
  "url":"http://v.qq.com/"
  },
  {
  "type":"click",
  "name":"赞一下我们",
  "key":"v1001_good"
  }]
 }]
 }

//按钮基类
public class basebutton {
 private string type;
 private string name;
 private string key;
 private string url;
 private string media_id;
} 
//子按钮
public class sonbutton extends basebutton {
 private string sub_button;
}
//父按钮
public class fatherbutton extends basebutton {
private string button;//可能直接一个父按钮做响应
@serializedname("sub_button")//为了保证gson解析后子按钮的名字是“sub_button”，具体用法请搜索
private list<sonbutton> sonbuttons;//可能有多个子按钮
}

public class menu {
@serializedname("button")
private list<fatherbutton> fatherbuttons;
}

//匹配的json对应的json
public class matchrule {
private string group_id;
private string sex;
private string client_platform_type;
private string country;
private string province;
private string city;
private string language;
}

//修改menu.java
public class menu {
@serializedname("button")
private list<fatherbutton> fatherbuttons;
private matchrule matchrule;
}

 /*
 * 创建自定义菜单。
 */
 @test
 public void createcommmenu() {
 string access_token = accesstokenutils.getaccesstoken();// 获取accesstoken，accesstokenutils是封装好的类
 // 拼接api要求的httpsurl链接
 string urlstring = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token="
  + access_token;
 try {
  // 创建一个url
  url requrl = new url(urlstring);
  // 拿取链接
  httpsurlconnection httpsconn = (httpsurlconnection) requrl
   .openconnection();
  httpsconn.setdooutput(true);
  // 取得该连接的输出流，以读取响应内容
  outputstreamwriter osr = new outputstreamwriter(
   httpsconn.getoutputstream());
  osr.write(getmenujson());// 使用本类外部方法getmenujson()
  osr.close();

  // 返回结果
  inputstreamreader isr = new inputstreamreader(
   httpsconn.getinputstream());
  // 读取服务器的响应内容并显示
  char[] chars = new char[1024];
  string reslut = "";
  int len;
  while ((len = isr.read(chars)) != -1) {
  reslut += new string(chars, 0, len);
  }
  system.out.println("返回结果:" + reslut);
  isr.close();
 } catch (ioexception e) {
  e.printstacktrace();
 }
 }

 public string getmenujson() {
 gson gson = new gson();// json处理工具

 menu menu = new menu();// 菜单类
 list<fatherbutton> fatherbuttons = new arraylist<fatherbutton>();// 菜单中的父按钮集合
 // -----------
 // 父按钮1
 fatherbutton fb1 = new fatherbutton();
 fb1.setname("click");
 fb1.settype("click");
 fb1.setkey("10");
 // -------------
 // 父按钮2
 fatherbutton fb2 = new fatherbutton();
 fb2.setname("父按钮2");
 list<sonbutton> sonbuttons2 = new arraylist<sonbutton>();// 子按钮的集合

 // 子按钮2-1
 sonbutton sb21 = new sonbutton();
 sb21.setname("view");
 sb21.seturl("http://www.baidu.com");
 sb21.settype("view");
 // 子按钮2-2
 sonbutton sb22 = new sonbutton();
 sb22.setname("scancode_push");
 sb22.settype("scancode_push");
 sb22.setkey("22");
 // 子按钮2-3
 sonbutton sb23 = new sonbutton();
 sb23.setname("scancode_waitmsg");
 sb23.settype("scancode_waitmsg");
 sb23.setkey("23");
 // 子按钮2-4
 sonbutton sb24 = new sonbutton();
 sb24.setname("pic_sysphoto");
 sb24.settype("pic_sysphoto");
 sb24.setkey("24");
 // 子按钮2-5
 sonbutton sb25 = new sonbutton();
 sb25.setname("pic_photo_or_album");
 sb25.settype("pic_photo_or_album");
 sb25.setkey("25");

 // 添加子按钮到子按钮集合
 sonbuttons2.add(sb21);
 sonbuttons2.add(sb22);
 sonbuttons2.add(sb23);
 sonbuttons2.add(sb24);
 sonbuttons2.add(sb25);

 // 将子按钮放到2-0父按钮集合
 fb2.setsonbuttons(sonbuttons2);

 // ------------------
 // 父按钮3
 fatherbutton fb3 = new fatherbutton();
 fb3.setname("父按钮3");
 list<sonbutton> sonbuttons3 = new arraylist<sonbutton>();

 // 子按钮3-1
 sonbutton sb31 = new sonbutton();
 sb31.setname("pic_weixin");
 sb31.settype("pic_weixin");
 sb31.setkey("31");
 // 子按钮3-2
 sonbutton sb32 = new sonbutton();
 sb32.setname("locatselect");
 sb32.settype("location_select");
 sb32.setkey("32");
 // // 子按钮3-3-->测试不了，因为要media_id。这需要调用素材id.
 // sonbutton sb33 = new sonbutton();
 // sb33.setname("media_id");
 // sb33.settype("media_id");
 // sb33.setmedia_id("???");
 // // 子按钮3-4-->测试不了，因为要media_id。这需要调用素材id.
 // sonbutton sb34 = new sonbutton();
 // sb34.setname("view_limited");
 // sb34.settype("view_limited");
 // sb34.setmedia_id("???");

 // 添加子按钮到子按钮队列
 sonbuttons3.add(sb31);
 sonbuttons3.add(sb32);
 // sonbuttons3.add(sb33);
 // sonbuttons3.add(sb34);

 // 将子按钮放到3-0父按钮队列
 fb3.setsonbuttons(sonbuttons3);
 // ---------------------

 // 将父按钮加入到父按钮集合
 fatherbuttons.add(fb1);
 fatherbuttons.add(fb2);
 fatherbuttons.add(fb3);

 // 将父按钮队列加入到菜单栏
 menu.setfatherbuttons(fatherbuttons);
 string json = gson.tojson(menu);
 system.out.println(json);// 测试输出
 return json;

 }

// 拼接api要求的httpsurl链接
string urlstring = "https://api.weixin.qq.com/cgi-bin/menu/addconditional?access_token="
  + access_token; 

// -----
// 从此处开始设置个性菜单
matchrule matchrule = new matchrule();
matchrule.setsex("2");// 男生
menu.setmatchrule(matchrule);
// ----