您的位置：首页 > 移动开发 > 微信开发

JAVA WEB项目在微信浏览器下实现自定义分享源码示例

2017-11-18 00:18 561 查看

微信官方文档地址

js源代码：

SignatureController.java源代码：

@Controller
public class SignatureController extends BaseSearchController {
private Logger log = Logger.getLogger(this.getClass());

/**
* 获取微信分享的签名
* @param request
* @param response
* @return
* @throws Exception
*/
@RequestMapping(value = "/ajax_do_signature")
public String signature(HttpServletRequest request, HttpServletResponse response) throws Exception {
JsonDetail json = new JsonDetail();
try {
String ticket = (String)CacheUtil.getData(CacheConstants.WEIXIN_SHARE_PARAM, CacheConstants.TICKET);
if (StringUtils.isBlank(ticket)) {
ticket = WeiXinShareUtil.getTicket();
CacheUtil.setData(CacheConstants.WEIXIN_SHARE_PARAM, CacheConstants.TICKET, ticket, 7200);
}

String timestamp = request.getParameter("timestamp");
String nonceStr = request.getParameter("nonceStr");
String url = request.getParameter("url");

StringBuilder signatureParam = new StringBuilder();
signatureParam.append("jsapi_ticket=");
signatureParam.append(ticket);
signatureParam.append("&noncestr=");
signatureParam.append(nonceStr);
signatureParam.append("×tamp=");
signatureParam.append(timestamp);
signatureParam.append("&url=");
signatureParam.append(url);

String signature = WeiXinShareUtil.geteSignature(signatureParam.toString());
System.out.println(signature);

json.setStatus(true);
json.setItems(signature);
} catch (Exception e) {
log.error("获取微信分析签名出错 --> ", e);
e.printStackTrace();
json.setStatus(false);
json.setInfo("数据出错");
}
return this.json2Response(json, response);
}

}

工具类源代码：

WeiXinShareUtil.java：

import flexjson.JSONDeserializer;

public class WeiXinShareUtil {
private static Logger log = Logger.getLogger(WeiXinShareUtil.class);

/**
* 返回access_token
* @return
* @throws Exception
*/
public static String getAccessToken() throws Exception{
StringBuilder urlStr = new StringBuilder();
urlStr.append("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=");
urlStr.append(Config.getString("weixin.appID"));
urlStr.append("&secret=");
urlStr.append(Config.getString("weixin.appsecret"));

String tokenJson = HttpURLConnectionUtil.getUrlContent(urlStr.toString());
log.info("-------getAccessToken return--------\n" + tokenJson);
AccessToken accessTokenVo = new JSONDeserializer<AccessToken>().deserialize(tokenJson, AccessToken.class);
return accessTokenVo.getAccess_token();
}

/**
* 返回ticket
* @return
* @throws Exception
*/
public static String getTicket() throws Exception{
String accessToken = (String)CacheUtil.getData(CacheConstants.WEIXIN_SHARE_PARAM, CacheConstants.ACCESSTOKEN);
if (StringUtils.isBlank(accessToken)) {
accessToken = getAccessToken();
CacheUtil.setData(CacheConstants.WEIXIN_SHARE_PARAM, CacheConstants.ACCESSTOKEN, accessToken, 7200);
}
StringBuilder ticketUrl = new StringBuilder();
ticketUrl.append("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=");
ticketUrl.append(accessToken);
ticketUrl.append("&type=jsapi");
String ticketJson = HttpURLConnectionUtil.getUrlContent(ticketUrl.toString());
log.info("-------getTicket return--------\n" + ticketJson);
JsapiTicket ticketVo = new JSONDeserializer<JsapiTicket>().deserialize(ticketJson, JsapiTicket.class);
return ticketVo.getTicket();
}

/**
* SHA-1算法加密
*
* @param text
* @return
*/
public static String geteSignature(String text) {
MessageDigest md = null;
String outStr = null;
try {
md = MessageDigest.getInstance("SHA-1");
byte[] digest = md.digest(text.getBytes());
outStr = byteToString(digest);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
return outStr;
}

/**
* 字节数组转字符串
*
* @param digest
* @return
*/
private static String byteToString(byte[] digest) {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < digest.length; i++) {
String tempStr = Integer.toHexString(digest[i] & 0xff);
if (tempStr.length() == 1) {
buf.append("0").append(tempStr);
} else {
buf.append(tempStr);
}
}
return buf.toString().toLowerCase();
}
}

AccessToken.java:

public class AccessToken {

// 网页授权接口调用凭证,注意：此access_token与基础支持的access_token不同
private String access_token;

// access_token接口调用凭证超时时间，单位（秒）
private int expires_in;

public String getAccess_token() {
return access_token;
}

public void setAccess_token(String access_token) {
this.access_token = access_token;
}

public int getExpires_in() {
return expires_in;
}

public void setExpires_in(int expires_in) {
this.expires_in = expires_in;
}

}

JsapiTicket.java:

public class JsapiTicket {

// 错误code
private int errcode;

// 错误细心你
private String errmsg;

// 获取到的凭证
private String ticket;

// 接口调用凭证超时时间，单位（秒）
private int expires_in;

public int getErrcode() {
return errcode;
}

public void setErrcode(int errcode) {
this.errcode = errcode;
}

public String getErrmsg() {
return errmsg;
}

public void setErrmsg(String errmsg) {
this.errmsg = errmsg;
}

public String getTicket() {
return ticket;
}

public void setTicket(String ticket) {
this.ticket = ticket;
}

public int getExpires_in() {
return expires_in;
}

public void setExpires_in(int expires_in) {
this.expires_in = expires_in;
}
}
如有疑问，欢迎在评论区留言讨论。

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签： 微信分享微信分享 js-sdk

相关文章推荐

新的分享

章节导航