分享的东西页面做的比较多，后台需要去取微信的Access_token 和JsApiTicket 然后再验签
public class WeixinShare {
private static Map<String,KeyValue> map=new HashMap<String,KeyValue>();
private static Map<String,String> urlMap=new HashMap<String,String>();
static {
urlMap.put("http://weixin8020/OhdWeixin/personal/integration.jsp", "http://www.。。。.com/OhdWeixin/UserAction!userSign.action");
urlMap.put("http://www.。。。.com/OhdWeixin/personal/integration.jsp", "http://www.。。。.com/OhdWeixin/UserAction!userSign.action");
urlMap.put("http://www.。。。.com/OhdWeixin/personal/personal.jsp", "http://www.。。。.com/OhdWeixin/UserAction!listUser.action");
urlMap.put("http://weixin8020/OhdWeixin/personal/personal.jsp", "http://www.oohdear.com/OhdWeixin/UserAction!listUser.action");
//这里可能只需要http://weixin8020开头的的自己网址的链接，因为当初我认为这个没有用 只加的自己的官网的链接地址 ，但是不对 url没有得到
}
private WeixinShare() {
}
/**
* 获取接口访问凭证，凭证有效时间为7200秒
* @param appid 凭证
* @param appsecret 密钥
* @return
*/
private static String getAccess_token(String appid, String appsecret) throws Exception {
if(map.get("access_token")==null || DateTool.getDistanceMinute(map.get("access_token").getDate(), new Date())>=120) {
String token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";
String requestUrl = token_url.replace("APPID", appid).replace("APPSECRET", appsecret);
JSONObject jsonObject = CommonUtil.httpsRequest(requestUrl,"GET",null);
if (null != jsonObject) {
try {
KeyValue keyValue=new KeyValue(jsonObject.getString("access_token"),new Date());
map.put("access_token", keyValue);
}
catch(JSONException err) {
err.printStackTrace();
}
}
}
return map.get("access_token").getValue();
}
/**
* 调用微信JS接口的临时票据，凭证有效时间为7200秒
* @param access_token 接口访问凭证
* @return
*/
private static String getJsApiTicket(String access_token) throws Exception {
if(map.get("ticket")==null || DateTool.getDistanceMinute(map.get("ticket").getDate(), new Date())>=120) {
String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi";
String requestUrl = url.replace("ACCESS_TOKEN", access_token);
JSONObject jsonObject = CommonUtil.httpsRequest(requestUrl,"GET",null);
if (null != jsonObject) {
try {
KeyValue keyValue=new KeyValue(jsonObject.getString("ticket"),new Date());
map.put("ticket", keyValue);
}
catch(JSONException err) {
err.printStackTrace();
}
}
}
return map.get("ticket").getValue();
}
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;
}
private static String create_nonce_str() {
return UUID.randomUUID().toString();
}
private static String create_timestamp() {
return Long.toString(System.currentTimeMillis()/1000);
}
private static String getUrl(){
HttpServletRequest request = ServletActionContext.getRequest();
StringBuffer requestUrl = request.getRequestURL();
String queryString = request.getQueryString();
String url = requestUrl.toString();
url=urlMap.get(url);
if(queryString!=null) url=url+"?"+queryString;
return url;
}
private static Map<String, String> sign(String jsapi_ticket, String url) {
Map<String, String> ret = new HashMap<String, String>();
String nonce_str = create_nonce_str();
String timestamp = create_timestamp();
String str;
String signature = "";
//注意这里参数名必须全部小写，且必须有序
str = "jsapi_ticket=" + jsapi_ticket +
"&noncestr=" + nonce_str +
"×tamp=" + timestamp +
"&url=" + url;
try {
MessageDigest crypt = MessageDigest.getInstance("SHA-1");
crypt.reset();
crypt.update(str.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", jsapi_ticket);
ret.put("nonceStr", nonce_str);
ret.put("timestamp", timestamp);
ret.put("signature", signature);
return ret;
}
/**
*
* @param appId 公账号appId
* @param appSecret
* @param url 当前网页的URL，不包含#及其后面部分
* @return
*/
public static JSONObject getParam() throws Exception {
String jsapi_ticket=getJsApiTicket(getAccess_token(CommonUtil.appId,CommonUtil.appSecret));
String url = getUrl();
Map<String, String> params = sign(jsapi_ticket, url);
params.put("appid", CommonUtil.appId);
JSONObject jsonObject = JSONObject.fromObject(params);
return jsonObject;
}
public static void main(String args[]) throws Exception {
String appId="";
String appsecret="";
System.out.println("getAccess_token:"+getAccess_token(appId,appsecret));
System.out.println("getJsApiTicket:"+getJsApiTicket(getAccess_token(appId,appsecret)));
}
private static class KeyValue {
private String value=null;
private Date date=null;
public KeyValue(String value,Date date) {
this.value=value;
this.date=date;
}
public String getValue() {
return value;
}
public Date getDate() {
return date;
}
}
前台jsp需要做的是： 调用WeixinShare.getParam();
<head>
<title></title>
<meta content="initial-scale=1.0,user-scalable=no,maximum-scale=1,width=device-width" name="viewport">
<meta content="yes" name="apple-mobile-web-app-capable">
<meta content="black" name="apple-mobile-web-app-status-bar-style">
<meta content="telephone=no" name="format-detection">
<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-1.7.1.min.js"></script>
<script type="text/javascript" src="<%=request.getContextPath()%>/js/alertPopShow.js"></script>
<script type="text/javascript" src="<%=request.getContextPath()%>/js/setFont.js"></script>
<link rel="stylesheet" href="<%=request.getContextPath()%>/css/alert.css">
<link rel="stylesheet" href="<%=request.getContextPath()%>/css/reset.css">
<link href="<%=request.getContextPath()%>/css/integration.css" rel="stylesheet">
<%
JSONObject jsonObject=WeixinShare.getParam();
String openid=(String)session.getAttribute("openid");
%>
<script src="<%=request.getContextPath()%>/js/jweixin-1.2.0.js"></script>
<script>
wx.config({
debug:false,
appId:'<%=jsonObject.getString("appid")%>',
timestamp:'<%=jsonObject.getString("timestamp")%>',
nonceStr:'<%=jsonObject.getString("nonceStr")%>',
signature:'<%=jsonObject.getString("signature")%>',
jsApiList:[
'checkJsApi',
'onMenuShareTimeline',
'onMenuShareAppMessage'
]
});
wx.ready(function () {
//分享朋友圈
wx.onMenuShareTimeline({
title:'分享得积分',
link:'http://www.。。。.com/OhdWeixin/invitation.jsp?recommender=${bindWxUser.mobile}',
imgUrl:'http://www.。。。.com/OhdWeixin/images/pheader.png',
success: function () {
// 用户确认分享后执行的回调函数
}
});
//分享给朋友
wx.onMenuShareAppMessage({
title:'快快去分享给你的朋友吧可以得积分哦！！',
desc:'开业大吉',
link:'http://www.。。。.com/OhdWeixin/invitation.jsp?recommender=${bindWxUser.mobile}',
imgUrl:'http://www.。。。.com/OhdWeixin/images/pheader.png',
type:'',
dataUrl:'',
success: function () {
// 用户确认分享后执行的回调函数
}
});
});
wx.error(function (res) {
alert(res.errMsg); //打印错误消息。及把 debug:false,设置为debug:ture就可以直接在网页上看到弹出的错误提示
});
</script>
