微信公众号接口配置信息详解
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2022-05-29 12:58:06
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微信测试号页面
当回调接口没有上面的代码时,接口配置信息修改后保存提示配置失败
需要在项目中运行一下代码接口,才能实现接口配置
回调接口代码:
package com.huawei.test;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.huawei.interfaces.tools.StrUtil;
import com.umpay.api.util.SignUtil;
import edu.emory.mathcs.backport.java.util.Collections;
public class TestAction extends HttpServlet
{
private static final long serialVersionUID = 1L;
public static final String TOKEN = "123456";
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException
{
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");
PrintWriter out = response.getWriter();
// 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
if (checkSignature(signature, timestamp, nonce) == signature ) {
out.write(echostr);
System.out.println("微信服务验证成功!"+echostr);
}else {
out.print(echostr);
System.out.println("微信服务验证失败!"+echostr);
}
out.flush();
out.close();
}
public static String checkSignature(String signature ,String timestamp, String nonce)
{
String[] src = {TOKEN,timestamp,nonce};
List<String> list =Arrays.asList(src);
Collections.sort(list);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < list.size(); i++)
{
sb.append(list.get(i));
}
return StrUtil.SHA1(sb.toString());
}
/**
*
* @param decript
* @return
*/
public static String SHA1(String decript) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-1");
digest.update(decript.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuffer hexString = new StringBuffer();
// 字节数组转换为 十六进制 数
for (int i = 0; i < messageDigest.length; i++) {
String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
if (shaHex.length() < 2) {
hexString.append(0);
}
hexString.append(shaHex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}
}