同学您好,以下是我的配置,同学可以对照一下哈
package com.imooc.o2o.web.wechat;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.imooc.o2o.util.wechat.SignUtil;
@Controller
@RequestMapping("wechat")
public class WechatController {
private static Logger log = LoggerFactory.getLogger(WechatController.class);
@RequestMapping(method = { RequestMethod.GET })
public void doGet(HttpServletRequest request, HttpServletResponse response) {
log.debug("weixin get...");
// 微信加密签名,signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数。
String signature = request.getParameter("signature");
// 时间戳
String timestamp = request.getParameter("timestamp");
// 随机数
String nonce = request.getParameter("nonce");
// 随机字符串
String echostr = request.getParameter("echostr");
// 通过检验signature对请求进行校验,若校验成功则原样返回echostr,表示接入成功,否则接入失败
PrintWriter out = null;
try {
out = response.getWriter();
if (SignUtil.checkSignature(signature, timestamp, nonce)) {
log.debug("weixin get success....");
out.print(echostr);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (out != null)
out.close();
}
}
}
package com.imooc.o2o.util.wechat;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
/**
* 微信请求校验工具类
*/
public class SignUtil {
// 与接口配置信息中的Token要一致
private static String token = "myo2o";
/**
* 验证签名
*
* @param signature
* @param timestamp
* @param nonce
* @return
*/
public static boolean checkSignature(String signature, String timestamp, String nonce) {
String[] arr = new String[] { token, timestamp, nonce };
// 将token、timestamp、nonce三个参数进行字典序排序
Arrays.sort(arr);
StringBuilder content = new StringBuilder();
for (int i = 0; i < arr.length; i++) {
content.append(arr[i]);
}
MessageDigest md = null;
String tmpStr = null;
try {
md = MessageDigest.getInstance("SHA-1");
// 将三个参数字符串拼接成一个字符串进行sha1加密
byte[] digest = md.digest(content.toString().getBytes());
tmpStr = byteToStr(digest);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
content = null;
// 将sha1加密后的字符串可与signature对比,标识该请求来源于微信
return tmpStr != null ? tmpStr.equals(signature.toUpperCase()) : false;
}
/**
* 将字节数组转换为十六进制字符串
*
* @param byteArray
* @return
*/
private static String byteToStr(byte[] byteArray) {
String strDigest = "";
for (int i = 0; i < byteArray.length; i++) {
strDigest += byteToHexStr(byteArray[i]);
}
return strDigest;
}
/**
* 将字节转换为十六进制字符串
*
* @param mByte
* @return
*/
private static String byteToHexStr(byte mByte) {
char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
char[] tempArr = new char[2];
tempArr[0] = Digit[(mByte >>> 4) & 0X0F];
tempArr[1] = Digit[mByte & 0X0F];
String s = new String(tempArr);
return s;
}
}