WebService

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public String  queryCreditInfo(Parameter parameter, String type)
   throws Exception {
  String jsonResult = null;
  try {
   if ("person".equals(type)) {
    HttpClient http = new HttpClient();
    System.out.println(parameter.getSign("person")); //加密
    String url = "https://www.alit.cn/reportserver/rest/ylService/personReport?name="+URLEncoder.encode(parameter.getName(), "utf-8")+ "&idCard="+ parameter.getIdCard()+ "&card="+ parameter.getCard()+ "&confirmCard="+ parameter.getConfirmCard()+ "&member="+ parameter.getMember()+ "&sign="+parameter.getSign("person");
    Protocol myhttps = new Protocol("https", new MySSL(), 443);
    Protocol.registerProtocol("https", myhttps);
    GetMethod method = new GetMethod(url);
    http.executeMethod(method);
    jsonResult = method.getResponseBodyAsString();
   }else {
    throw new Exception("查询报告类型不能为空");
   } 
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return jsonResult;
 }

//加密方法

public String getSign(String type) throws Exception {
  if("person".equals(type)){
    this.sign = Md5.md5(this.getName() + this.getIdCard() + this.getCard()+this.getConfirmCard() + this.getMember() + this.getKey());
   return sign;
  }else if("merchant".equals(type)){
   if(null==this.getBussesCode()||"".equals(this.getBussesCode())){
    this.bussesCode = null;
   }
   if(null==this.getMid()||"".equals(this.getMid())){
    this.mid = null;
   }
   this.sign = Md5.md5(this.getName() + this.bussesCode + this.getMid()+ this.getMember() + this.getKey());
   return sign;
  }else{
   throw new Exception("sign生成错误");
  }
 }

//MD5加密类

public class Md5 {  

private static final String encryModel = "MD5";  

/**   * md5加密方法   * @param str   * @return   */    

public static String md5(String str) throws Exception {        

　　return md5(encryModel, str.getBytes("utf-8"));    

}

public static String md5(String algorithm, byte[] data) {        

　　try {            

　　　　MessageDigest md = MessageDigest.getInstance(algorithm);            

　　　　md.update(data);            

　　　　StringBuffer sb = new StringBuffer();            

　　　　byte[] bytes = md.digest();            

　　　　for (int i = 0; i < bytes.length; i++) {                

　　　　　　int b = bytes[i] & 0xFF;                

　　　　　　if (b < 0x10) {                    

　　　　　　　　sb.append(‘0‘);                

　　　　　　}                

　　　　　　sb.append(Integer.toHexString(b));            

　　　　}            

　　return sb.toString();        

} catch (Exception e) {            

return "";        

}    

}     

} 

WebService

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原文地址：http://www.cnblogs.com/Defry/p/4607641.html