转：微信公众号-接口测试帐号接口配置及Java源代码

JAVA代码：

package com.mazun.weixin;
 
import java.io.IOException;
import java.io.PrintWriter;
import java.security.MessageDigest;
import java.util.Arrays;
 
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.apache.commons.codec.binary.Hex;
 
 @RequestMapping("/doGet")
    @ResponseBody
    private void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException {
  	public static final String TOKEN = "puyuma";
 
	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		try {
			// 开发者提交信息后，微信服务器将发送GET请求到填写的服务器地址URL上，GET请求携带参数
			String signature = request.getParameter("signature");// 微信加密签名（token、timestamp、nonce。）
			String timestamp = request.getParameter("timestamp");// 时间戳
			String nonce = request.getParameter("nonce");// 随机数
			String echostr = request.getParameter("echostr");// 随机字符串
			PrintWriter out = response.getWriter();
			// 将token、timestamp、nonce三个参数进行字典序排序
			String[] params = new String[] { TOKEN, timestamp, nonce };
			Arrays.sort(params);
			// 将三个参数字符串拼接成一个字符串进行sha1加密
			String clearText = params[0] + params[1] + params[2];
			String algorithm = "SHA-1";
			String sign = new String(
					Hex.encodeHex(MessageDigest.getInstance(algorithm).digest((clearText).getBytes()), true));
			// 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信
			if (signature.equals(sign)) {
				response.getWriter().print(echostr);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}	
}

pom.xml依赖包

	<dependencies>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
		</dependency>
		<dependency>
			<groupId>commons-codec</groupId>
			<artifactId>commons-codec</artifactId>
			<version>1.10</version>
		</dependency>
	</dependencies>

编辑完成后到测试号配置页面进行提交即可。