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| import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import net.sf.json.JSONObject;
public class WeixinUtil {
private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",
"6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };
public static String post(String url,String outStr){
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
String res =null;
try {
httpPost.setEntity(new StringEntity(outStr, "utf-8"));
HttpResponse response = httpClient.execute(httpPost);
String result = EntityUtils.toString(response.getEntity(),"utf-8");
res = result;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return res;
}
public static String getPayCustomSign(Map<String, String> bizObj,String key) throws Exception {
String bizString = FormatBizQueryParaMap(bizObj, false);
return sign(bizString, key);
}
public static String sign(String content, String key)
throws Exception{
String signStr = "";
signStr = content + "&key=" + key;
return MD5(signStr).toUpperCase();
}
public final static String MD5(String s) {
char hexDigits[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
try {
byte[] btInput = s.getBytes();
MessageDigest mdInst = MessageDigest.getInstance("MD5");
mdInst.update(btInput);
byte[] md = mdInst.digest();
int j = md.length;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static String FormatBizQueryParaMap(Map<String, String> paraMap,
boolean urlencode) throws Exception {
String buff = "";
try {
List<Map.Entry<String, String>> infoIds = new ArrayList<Map.Entry<String, String>>(paraMap.entrySet());
Collections.sort(infoIds,
new Comparator<Map.Entry<String, String>>() {
public int compare(Map.Entry<String, String> o1,
Map.Entry<String, String> o2) {
return (o1.getKey()).toString().compareTo(
o2.getKey());
}
});
for (int i = 0; i < infoIds.size(); i++) {
Map.Entry<String, String> item = infoIds.get(i);
if (item.getKey() != "") {
String key = item.getKey();
String val = item.getValue();
if (urlencode) {
val = URLEncoder.encode(val, "utf-8");
}
buff += key + "=" + val + "&";
}
}
if (buff.isEmpty() == false) {
buff = buff.substring(0, buff.length() - 1);
}
} catch (Exception e) {
throw new Exception(e.getMessage());
}
return buff;
}
public static Map<String, String> xmlToMap(String strXML) throws Exception {
try {
Map<String, String> data = new HashMap<String, String>();
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
InputStream stream = new ByteArrayInputStream(strXML.getBytes("UTF-8"));
org.w3c.dom.Document doc = documentBuilder.parse(stream);
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getDocumentElement().getChildNodes();
for (int idx = 0; idx < nodeList.getLength(); ++idx) {
Node node = nodeList.item(idx);
if (node.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element element = (org.w3c.dom.Element) node;
data.put(element.getNodeName(), element.getTextContent());
}
}
try {
stream.close();
} catch (Exception ex) {
}
return data;
} catch (Exception ex) {
throw ex;
}
}
}
|
