Java编程调用微信分享功能示例

/**
* 调用微信分享接口
* */
public void WXConfig(){
    String url = getPara("href");
    WXConfigController scan = new WXConfigController();
    Map<String, String> map = scan.sign(url);
    System.out.println("调用分享接口URL"+url);
    renderJson(map);
}

package com.joffro.wine.controller.front;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import com.jfinal.kit.PropKit;
import com.joffro.web.common.controller.ControllerPath;
import com.joffro.weixin.WeixinUtil;
@ControllerPath(controllerKey = "/Joffro/wxconfig")
public class WXConfigController extends FrontController {
  public static String accessToken = null;
  public Map<String, String> sign(String url) {
    String aToken = WeixinUtil.getAccess_token("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+你的APPID+"&secret="+你的appSecret+"");
    String[] tokenOne = aToken.split(":");
    String[] token = tokenOne[1].split(",");
    char [] stringArr = token[0].toCharArray();
    String token3 = "" ;
    for(int i=1;i<stringArr.length-1;i++){
      String token2 = String.valueOf(stringArr[i]);
      token3 += token2;
    }
    String jsapi_ticket =WeixinUtil.getAccess_token("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+token3+"&type=jsapi");
    String[] jsapi1 = jsapi_ticket.split(":");
    String[] jsapi2 = jsapi1[3].split(",");
    char [] stringArray = jsapi2[0].toCharArray();
    String ticket3 = "" ;
    for(int i=1;i<stringArray.length-1;i++){
      String ticket = String.valueOf(stringArray[i]);
      ticket3 += ticket;
    }
    Map<String, String> ret = new HashMap<String, String>();
    String nonce_str = create_nonce_str(); //随机串
    String timestamp = create_timestamp(); //时间戳
    String string1;
    String signature = "";
    //注意这里参数名必须全部小写，且必须有序
    string1 = "jsapi_ticket=" + ticket3 +
         "&noncestr=" + nonce_str +
         "&timestamp=" + timestamp +
         "&url=" + url;
    System.out.println("string1="+string1);
    try
    {
      MessageDigest crypt = MessageDigest.getInstance("SHA-1");
      crypt.reset();
      crypt.update(string1.getBytes("UTF-8"));
      signature = byteToHex(crypt.digest());
    }
    catch (NoSuchAlgorithmException e)
    {
      e.printStackTrace();
    }
    catch (UnsupportedEncodingException e)
    {
      e.printStackTrace();
    }
    ret.put("url", url);
    ret.put("jsapi_ticket", ticket3);
    ret.put("nonceStr", nonce_str);
    ret.put("timestamp", timestamp);
    ret.put("signature", signature);
    ret.put("appId", PropKit.use("system.properties").get("appId"));
    return ret;
  }
  /**
   * 获取用户基本信息
   * @param hash
   * @return
   */
  public void getUserByopenid(){
    String aToken = WeixinUtil.getAccess_token("https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID&lang=zh_CN");
  }
  /**
   * 随机加密
   * @param hash
   * @return
   */
  private static String byteToHex(final byte[] hash) {
    Formatter formatter = new Formatter();
    for (byte b : hash)
    {
      formatter.format("%02x", b);
    }
    String result = formatter.toString();
    formatter.close();
    return result;
  }
  /**
   * 产生随机串--由程序自己随机产生
   * @return
   */
  private static String create_nonce_str() {
    return UUID.randomUUID().toString();
  }
  /**
   * 由程序自己获取当前时间
   * @return
   */
  private static String create_timestamp() {
    return Long.toString(System.currentTimeMillis() / 1000);
  }
}

wx.ready(function(){
    //分享朋友
    wx.onMenuShareAppMessage({
      title: '转盘大抽奖', // 分享标题
      desc: '转盘大抽奖，好奖等你拿', // 分享描述
      link: 'http://open.weixin.qq.com/connect/oauth2/authorize?appid='你的APPID'&redirect_uri=www.baidu.com', // 分享链接
      imgUrl: 'http://www.****.com/*****/static/img/line.png', // 分享图标
      trigger: function (res) {
          alert(res.);
        },
      success: function () {
        // 用户确认分享后执行的回调函数
        alert("分享成功");
        // 用户确认分享后执行的回调函数,跳转后台
        //获取openid
        var openid = $("#openid").val();
        location.href = "/*****/shareOk?openid="+openid;
      },
      cancel: function () {
        // 用户取消分享后执行的回调函数
        alert("分享失败");
      }
    });
    //分享朋友圈
    wx.onMenuShareTimeline({
      title: '大抽奖', // 分享标题
      link: 'www.baidu.com', // 分享链接
      imgUrl: 'http://www.*****.com/******/static/img/line.png', // 分享图标
      success: function () {
        alert("分享成功");
        // 用户确认分享后执行的回调函数,跳转后台
        //获取openid
        var openid = $("#openid").val();
        location.href = "/*******/shareOk?openid="+openid;
      },
      cancel: function () {
        // 用户取消分享后执行的回调函数
        alert("分享失败");
      }
    });
});