一 : code授权码 , 服务端丶客户端
二 : 数据库查询接口
三 : RSA加密丶Escape编码等方法
VerifyCode授权码,客户端
/***
* VerifyCode(授权码)客户端
*/
@Controller
public class VerifyCode {
private static String verifyCode = null; // 授权码
private static long valid_date = 0; // (授权码)有效期至(毫秒)
private static String server_puKey = null; // 中控端,加密公钥
// 获取授权码
// 同时只有一个线程可进入此方法
public static synchronized String getCode() {
if (verifyCode == null || new Date().getTime() >= valid_date) {
applyCode();
}
return verifyCode;
}
public static String getServerKey() {
return server_puKey;
}
/** 向"中控"服务器,请求Code验证码 **/
public static void applyCode() {
try {
String puKey = RSAUtils.getPukeyStr(); // RSA公钥(接收参数加密密钥)
String redirect_uri = "http://127.0.0.1:8080/" + Config.server_name + "/getCode"; // 回调地址(接受参数)
String url = "http://127.0.0.1:8080/control_center/getCode?redirect_uri=URI&puKey=PUKEY";
// "中控"服务器接口
url = url.replace("URI", Escape.escape(redirect_uri)).replace("PUKEY", Escape.escape(puKey));
Global.info(url);
String str = HttpGetRequest.doGet(url);
if (str != null) {
JSONObject json = JSONObject.fromObject(str);
int ret = json.getInt("ret");
if (ret == 0) {
Thread.sleep(200); // 此线程休眠200(毫秒),等待中控服务器信息反馈完毕
} else {
// 获取code失败
Global.error(json.getString("errorMag"));
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/** 获取到验证码 */
@RequestMapping("/getCode")
public void getCode(HttpServletResponse response, String verifyCode, String valid_time, String server_puKey) {
if (verifyCode != null) {
try {
// 对verifyCode进行解码,解密(已被加密)
VerifyCode.verifyCode = RSAUtils.decrypt(Escape.unescape(verifyCode), RSAUtils.getPrkey());
VerifyCode.valid_date = new Date().getTime() + Integer.parseInt(valid_time);
VerifyCode.server_puKey = Escape.unescape(server_puKey);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
HttpUtils.write(response, "{'ret':0}");
}
}VerifyCode授权码,服务端
/**
* verifyCode(授权)服务端
**/
@Controller
public class VerifyCode extends Global {
// 密钥组,JSONObject中存储pukey丶uri等信息
private static Map<String, JSONObject> codes = new HashMap<String, JSONObject>();
// 获取verifyCode(uri:回调地址,valid_time:有效时长(毫秒))
private static String getCode(String puKey, String uri, long valid_time) {
if (puKey != null) {
String verifyCode = getRandomStr(50); // 50位随机字符串(不含特殊符号)
codes.put(verifyCode,
getJSON("puKey", puKey, "uri", uri, "start_time", new Date().getTime(), "valid_time", valid_time));
return verifyCode;
}
return null;
}
// 获取code
public static JSONObject ready(String code) {
JSONObject js = codes.get(code);
if (js != null && (new Date().getTime() - js.getLong("start_time")) > js.getLong("valid_time")) {
js = null;
codes.remove(code);
}
return js;
}
// 获取control_center验证码(url匹配:一般只允许http://127.0.0.1/地址获取)
@RequestMapping("/getCode")
public void getCode(HttpServletResponse response, String redirect_uri, String puKey) {
try {
redirect_uri = Escape.unescape(redirect_uri); // escape编码解析,js语言方法
if (Pattern.compile(Config.regex).matcher(redirect_uri).find()) {
// 公钥
puKey = Escape.unescape(puKey);
// 获取VerifyCode验证码,有效期(毫秒/总24h)
long valid_time = 8640000;
String verifyCode = getCode(puKey, redirect_uri, valid_time);
// 加密verifyCode(公钥)
String en_verifyCode = RSAUtils.encrypt(verifyCode, RSAUtils.getPukey(puKey));
// 回调verifyCode码(加密后,接收方需进行解码)
String url = redirect_uri + "?verifyCode=" + Escape.escape(en_verifyCode) + "&valid_time=" + valid_time
+ "&server_puKey=" + Escape.escape(RSAUtils.getPukeyStr());
info("getCode redirect_uri:" + url);
HttpGetRequest.doGet(url);
// 发送,获取成功
HttpUtils.write(response,
"{'ret':0,'successMsg':'Code has been callback to the redirect_uri address!'}");
}
// 正则匹配失败,uri不是安全域名
else {
HttpUtils.write(response, "{'ret':10002,'errorMsg':'redirect_uri is not a secure domain name!'}");
}
} catch (Exception e) {
HttpUtils.write(response, "{'ret':10001,'errorMsg':'parameter anomaly!'}");
e.printStackTrace();
}
}
}DBServer服务端
/**
* 数据库服务器端
*/
@Controller
public class DBServer extends Global {
// 查询用户信息
@RequestMapping("/queryUser")
public void queryUser(HttpServletResponse response, String openid, String code) {
JSONObject json = VerifyCode.ready(code);
if (json != null) {
WxUser wxUser = WechatDB.getUserByOpenid(openid);
if (wxUser != null) {
try {
String data = "{'ret':0,'successMsg':'found user success!','data':" + getJSON("user", wxUser) + "}";
// 此处使用公钥加密信息(数据太长,需使用分段加密丶解密)
data = RSAUtils.encrypt(data, RSAUtils.getPukey(json.getString("puKey")));
// 对data字符串进行编码传输(防止乱码)
HttpUtils.write(response, Escape.escape(data));
} catch (Exception e) {
e.printStackTrace();
HttpUtils.write(response, "{'ret':10003,'errorMsg':'parsing error , please get code again !'}");
}
} else {
HttpUtils.write(response, "{'ret':10002,'errorMsg':'the user was not found!'}");
}
} else {
HttpUtils.write(response, "{'ret':10001,'errorMsg':'code is invalid!'}");
}
}
// 尝试减去用户积分
@RequestMapping("/subSocre")
public void subSocre(HttpServletResponse response, String openid, String code, String socre) {
JSONObject json = VerifyCode.ready(code);
if (json != null) {
try {
Boolean success = WechatDB.subSocerByOpenid(openid, Integer.parseInt(socre));
String data = "{'ret':0,'successMsg':'return success!','data':{'success':" + success + "}}";
// 对data字符串进行编码传输(防止乱码)
HttpUtils.write(response, Escape.escape(data));
} catch (Exception e) {
e.printStackTrace();
HttpUtils.write(response, "{'ret':10003,'errorMsg':'parsing error , please get code again !'}");
}
} else {
HttpUtils.write(response, "{'ret':10001,'errorMsg':'code is invalid!'}");
}
}
// 保存用户
@RequestMapping("/saveUser")
public void saveUser(HttpServletResponse response, String data, String code) {
JSONObject json = VerifyCode.ready(code);
if (json != null) {
try {
// 对data解码丶解密
data = Escape.unescape(data);
data = RSAUtils.decrypt(data, RSAUtils.getPrkey());
// 将data转化为WxUser对象
WxUser wxUser = (WxUser) JSONObject.toBean(JSONObject.fromObject(data).getJSONObject("user"),
WxUser.class);
// 尝试保存用户信息
Boolean success = WechatDB.saveWechatUser(wxUser);
String s_data = "{'ret':0,'successMsg':'return success!','data':{'success':" + success + "}}";
// 对data字符串进行编码传输(防止乱码)
HttpUtils.write(response, Escape.escape(s_data));
} catch (Exception e) {
e.printStackTrace();
HttpUtils.write(response, "{'ret':10003,'errorMsg':'parsing error , please get code again !'}");
}
} else {
HttpUtils.write(response, "{'ret':10001,'errorMsg':'code is invalid!'}");
}
}
}DBClient客户端
/***
* 连接中控服务器数据库,客户端
*
*/
public class DBClient extends Global {
/** 获取用户信息 **/
public static WxUser getUserByOpenid(String openid) {
try {
String url = "http://127.0.0.1:8080/control_center/queryUser?openid=" + openid + "&code="
+ VerifyCode.getCode();
// 连接中控服务器,获取openid对应的用户信息
String json_string = HttpGetRequest.doGet(url);
if (json_string != null) {
// info("源字符串:" + json_string);
// 对json_string解码(数据已被编码,中文乱码)
json_string = Escape.unescape(json_string);
// json_string已被加密,此处需对信息进行解密(!可能需要分段解密)
json_string = RSAUtils.decrypt(json_string, RSAUtils.getPrkey());
// info("解码解密:" + json_string);
JSONObject json = JSONObject.fromObject(json_string);
int ret = json.getInt("ret");
// 数据返回成功
if (ret == 0) {
JSONObject data = json.getJSONObject("data");
return (WxUser) JSONObject.toBean(data.getJSONObject("user"), WxUser.class);
}
// code码失效
else if (ret == 10001) {
info("'中控中心'查询:,code码失效!");
}
// 不存在此openid的用户信息
else if (ret == 10002) {
info("'中控中心'查询:,不存在此openid的用户信息!");
}
// 参数解析失败(可能是上传的密钥问题)
else if (ret == 10003) {
info("'中控中心'查询:,参数解析失败(可能是上传的密钥问题)");
}
} else {
info("'中控中心'DBServer无响应!");
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/** 尝试减去用户积分 **/
public static Boolean subSocreByOpenid(String openid, Integer socre) {
try {
String url = "http://127.0.0.1:8080/control_center/subSocre?openid=" + openid + "&code="
+ VerifyCode.getCode() + "&socre=" + socre;
// 连接中控服务器,获取openid对应的用户信息
String json_string = HttpGetRequest.doGet(url);
if (json_string != null) {
// info("源字符串:" + json_string);
// 对json_string解码(数据已被编码,中文乱码)
json_string = Escape.unescape(json_string);
// info("解码解密:" + json_string);
JSONObject json = JSONObject.fromObject(json_string);
int ret = json.getInt("ret");
// 数据返回成功
if (ret == 0) {
JSONObject data = json.getJSONObject("data");
return data.getBoolean("success");
}
// code码失效
else if (ret == 10001) {
info("'中控中心'查询:,code码失效!");
}
// 参数解析失败(可能是上传的密钥问题)
else if (ret == 10003) {
info("'中控中心'查询:,参数解析失败(可能是上传的密钥问题)");
}
} else {
info("'中控中心'DBServer无响应!");
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/** 保存一位用户的信息 **/
public static Boolean saveWechatUser(WxUser wxUser) {
try {
String s_data = getJSON("user", wxUser).toString();
// 对s_data进行加密(使用server_puKey)
s_data = RSAUtils.encrypt(s_data, RSAUtils.getPukey(VerifyCode.getServerKey()));
String url = "http://127.0.0.1:8080/control_center/saveUser?data=" + Escape.escape(s_data) + "&code="
+ VerifyCode.getCode();
// 连接中控服务器,获取openid对应的用户信息
String json_string = HttpGetRequest.doGet(url);
if (json_string != null) {
// 对json_string解码(数据已被编码,中文乱码)
json_string = Escape.unescape(json_string);
JSONObject json = JSONObject.fromObject(json_string);
int ret = json.getInt("ret");
// 数据返回成功
if (ret == 0) {
JSONObject data = json.getJSONObject("data");
return data.getBoolean("success");
}
// code码失效
else if (ret == 10001) {
info("'中控中心'查询:,code码失效!");
}
// 参数解析失败(可能是上传的密钥问题)
else if (ret == 10003) {
info("'中控中心'查询:,参数解析失败(可能是上传的密钥问题)");
}
} else {
info("'中控中心'DBServer无响应!");
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
}RSAutils加密丶解密类( Base64编码,需视当前编译环境,自行更改 )
/**
* 加解密RSA方式 从字符串中获取加密秘钥和从文件中获取加密秘钥
*/
public class RSAUtils {
// 指定加密算法为RSA
private static final String ALGORITHM = "RSA";
// 密钥长度，用来初始化密钥(常用512/1024/2048/4096)
private static final int KEYSIZE = 1024;
// 密钥对象
private static PublicKey puKey = null;
private static PrivateKey prKey = null;
// 加密字符串最大长度(默认KEYSIZE=1024)
private static int MAX_ENCRYPT_BLOCK = 117; // MAX_ENCRYPT_BLOCK=KEYSIZE/8-11;
// 解密字符串最大长度(默认KEYSIZE=1024)
private static int MAX_DECRYPT_BLOCK = 128; // MAX_DECRYPT_BLOCK=KEYSIZE/8;
/** 公钥加密 **/
public static String encrypt(String src, PublicKey key) throws Exception {
return encode(encrypt(key, src.getBytes()));
}
/** 私钥解密 **/
public static String decrypt(String src, PrivateKey key) throws Exception {
return new String(decrypt(key, decode(src)));
}
/**
* 获取公钥(带标签)
**/
public static String getPukeyTag() {
if (puKey == null)
initKeyPair();
return "-----BEGIN PUBLIC KEY-----\n" + getPukeyStr() + "\n-----END PUBLIC KEY-----";
}
public static String getPukeyStr() {
if (puKey == null)
initKeyPair();
return new String(encode(puKey.getEncoded()));
}
public static PublicKey getPukey() {
return puKey;
}
/**
* 从字符串中加载公钥
*/
public static RSAPublicKey getPukey(String publicKeyStr) throws Exception {
try {
byte[] buffer = decode(publicKeyStr);
KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(buffer);
return (RSAPublicKey) keyFactory.generatePublic(keySpec);
} catch (NoSuchAlgorithmException e) {
throw new Exception("无此算法");
} catch (InvalidKeySpecException e) {
throw new Exception("公钥非法");
} catch (NullPointerException e) {
throw new Exception("公钥数据为空");
}
}
/**
* 获取私钥 (带标签)
**/
public static String getPrkeyTag() {
if (prKey == null)
initKeyPair();
return "-----BEGIN RSA PRIVATE KEY-----\n" + getPrkeyStr() + "\n-----END RSA PRIVATE KEY-----";
}
public static String getPrkeyStr() {
if (prKey == null)
initKeyPair();
return new String(encode(prKey.getEncoded()));
}
public static PrivateKey getPrkey() {
return prKey;
}
/**
* 从字符串中加载私钥
*/
public static RSAPrivateKey getPrivateKey(String privateKeyStr) throws Exception {
try {
byte[] buffer = decode(privateKeyStr);
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(buffer);
KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM);
return (RSAPrivateKey) keyFactory.generatePrivate(keySpec);
} catch (NoSuchAlgorithmException e) {
throw new Exception("无此算法");
} catch (InvalidKeySpecException e) {
throw new Exception("私钥非法");
} catch (NullPointerException e) {
throw new Exception("私钥数据为空");
}
}
// 生成密钥对
private static void initKeyPair() {
// RSA算法要求有一个可信任的随机数源
SecureRandom secureRandom = new SecureRandom();
try {
// 为RSA算法创建一个KeyPairGenerator对象
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(ALGORITHM);
// 利用上面的随机数据源初始化这个KeyPairGenerator对
keyPairGenerator.initialize(KEYSIZE, secureRandom);
// 生成密匙对
KeyPair keyPair = keyPairGenerator.generateKeyPair();
// 得到私钥
prKey = keyPair.getPrivate();
// 得到公钥
puKey = keyPair.getPublic();
// 加解密数据最大长度
MAX_DECRYPT_BLOCK = KEYSIZE / 8;
MAX_ENCRYPT_BLOCK = MAX_DECRYPT_BLOCK - 11;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
prKey = null;
puKey = null;
}
}
// 解密算法(分段)
private static byte[] decrypt(PrivateKey privateKey, byte[] encryptedData) throws Exception {
Cipher cipher = Cipher.getInstance(privateKey.getAlgorithm());
cipher.init(2, privateKey);
int inputLen = encryptedData.length;
int offSet = 0;
ByteArrayOutputStream out = new ByteArrayOutputStream();
for (int i = 0; inputLen - offSet > 0; offSet = i * MAX_DECRYPT_BLOCK) {
byte[] cache;
if (inputLen - offSet > MAX_DECRYPT_BLOCK) {
cache = cipher.doFinal(encryptedData, offSet, MAX_DECRYPT_BLOCK);
} else {
cache = cipher.doFinal(encryptedData, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
++i;
}
byte[] decryptedData = out.toByteArray();
out.close();
return decryptedData;
}
// 加密算法(分段)
private static byte[] encrypt(PublicKey publicKey, byte[] data) throws Exception {
Cipher cipher = Cipher.getInstance(publicKey.getAlgorithm());
cipher.init(1, publicKey);
int inputLen = data.length;
int offSet = 0;
ByteArrayOutputStream out = new ByteArrayOutputStream();
for (int i = 0; inputLen - offSet > 0; offSet = i * MAX_ENCRYPT_BLOCK) {
byte[] cache;
if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
cache = cipher.doFinal(data, offSet, MAX_ENCRYPT_BLOCK);
} else {
cache = cipher.doFinal(data, offSet, inputLen - offSet);
}
out.write(cache, 0, cache.length);
++i;
}
byte[] encryptedData = out.toByteArray();
out.close();
return encryptedData;
}
/** Base64解码 **/
public static String encode(byte[] src) {
return (new Base64Encoder()).encode(src);
}
/** base64编码 **/
public static byte[] decode(String src) {
return (new Base64Encoder()).decode(src);
}
}Escape编码类(与js的escape()丶unescape()保持一致),在传输中防止乱码
/**
* js语言escape()编码丶解码方法
**/
public class Escape {
public static String escape(String src) {
int i;
char j;
StringBuffer tmp = new StringBuffer();
tmp.ensureCapacity(src.length() * 6);
for (i = 0; i < src.length(); i++) {
j = src.charAt(i);
if (Character.isDigit(j) || Character.isLowerCase(j) || Character.isUpperCase(j))
tmp.append(j);
else if (j < 256) {
tmp.append("%");
if (j < 16)
tmp.append("0");
tmp.append(Integer.toString(j, 16));
} else {
tmp.append("%u");
tmp.append(Integer.toString(j, 16));
}
}
return tmp.toString();
}
public static String unescape(String src) {
StringBuffer tmp = new StringBuffer();
tmp.ensureCapacity(src.length());
int lastPos = 0, pos = 0;
char ch;
while (lastPos < src.length()) {
pos = src.indexOf("%", lastPos);
if (pos == lastPos) {
if (src.charAt(pos + 1) == 'u') {
ch = (char) Integer.parseInt(src.substring(pos + 2, pos + 6), 16);
tmp.append(ch);
lastPos = pos + 6;
} else {
ch = (char) Integer.parseInt(src.substring(pos + 1, pos + 3), 16);
tmp.append(ch);
lastPos = pos + 3;
}
} else {
if (pos == -1) {
tmp.append(src.substring(lastPos));
lastPos = src.length();
} else {
tmp.append(src.substring(lastPos, pos));
lastPos = pos;
}
}
}
return tmp.toString();
}
/**
* @disc 对字符串重新编码
* @param src
* @return
*/
public static String isoToGB(String src) {
String strRet = null;
try {
strRet = new String(src.getBytes("ISO_8859_1"), "GB2312");
} catch (Exception e) {
}
return strRet;
}
/**
* @disc 对字符串重新编码
* @param src
* @return
*/
public static String isoToUTF(String src) {
String strRet = null;
try {
strRet = new String(src.getBytes("ISO_8859_1"), "UTF-8");
} catch (Exception e) {
}
return strRet;
}
}其他一些方法:
public class Global {
// debug等级,0不显示,1错误,2debug,3info
private static final Integer debugLevel = 3;
/** INFO信息输出 **/
public static void info(Object object) {
if (debugLevel > 2) {
System.out.println(Config.server_name + "信息 : " + object);
Logger.info(Config.server_name + "信息 : " + object);
}
}
/** DEBUG信息输出 **/
public static void debug(Object object) {
if (debugLevel > 1) {
System.out.println(Config.server_name + "调试 : " + object);
Logger.debug(Config.server_name + "调试 : " + object);
}
}
/** ERROR信息输出 **/
public static void error(Object object) {
if (debugLevel > 0) {
System.out.println(Config.server_name + "错误 : " + object);
Logger.error(Config.server_name + "错误 : " + object);
}
}
/** 将对象转化为String数组 **/
public static String[] string(Object... args) {
String[] str_arr = new String[args.length];
for (int i = 0; i < args.length; i++)
str_arr[i] = (String) args[i];
return str_arr;
}
/** 快速建立JSON对象 **/
public static JSONObject getJSON(Object... args) {
JSONObject json = new JSONObject();
if (args.length % 2 == 0) {
for (int i = 0; i < args.length; i += 2) {
json.put(args[i], args[i + 1]);
}
} else {
Global.error("Global.getJSON() 's args.length% != 0");
}
return json;
}
/** 获取一个length长度的随机字符串 ***/
public static String getRandomStr(int length) {
// 定义一个字符串（A-Z，a-z，0-9）即62位；
String str = "zxcvbnmlkjhgfdsaqwertyuiopQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
// 随机数种子
Random random = getRandom();
StringBuffer strbuff = new StringBuffer();
for (int i = 0; i < length; ++i) { // 字符串长度
int number = random.nextInt(62); // 产生0-61的数字
strbuff.append(str.charAt(number)); // 将产生的数字通过length次承载到strbuff中
}
// 将承载的字符转换成字符串
return strbuff.toString();
}
/** 获取一个random对象 . (基于Date.now's getTime()作为种子) **/
public static Random getRandom() {
return new Random(new Date().getTime());
}
}/**
* 错误丶调试信息输出到本地txt文件
*
*/
public class Logger {
// 项目编译(运行)路径
private static String runpath = null;
/** 获取项目编译(运行)路径 **/
private static String getRun() {
if (runpath == null) {
try {
runpath = Logger.class.getClassLoader().getResource("").toURI().getPath();
runpath = runpath.substring(0, runpath.indexOf(Config.server_name)) + Config.server_name;
} catch (URISyntaxException e) {
System.out.println("获取项目路径出现异常!");
e.printStackTrace();
runpath = null;
}
}
return runpath;
}
/** 错误输出日志 ***/
public static void error(Object message) {
FileOutputStream writer = null;
try {
// 获取文件路径
String path = getRun() + "/logs/error.txt";
// 如果文件不存在,则创建对应文件
File file = new File(path);
if (!file.exists()) {
new File(file.getParent()).mkdir();
file.createNewFile();
}
// 写入的数据
String data = new SimpleDateFormat("yyyy年MM月dd日 EEEE HH:mm:ss")
.format(new Date(System.currentTimeMillis())) + "\n" + message.toString() + "\n\n\n";
// 创建写入流(追加文末写入)
writer = new FileOutputStream(path, true);
writer.write(data.getBytes());
writer.flush();
writer.close();
writer = null;
} catch (IOException e) {
System.out.println(Config.server_name + "错误:Logger.error() throw exception!");
e.printStackTrace();
}
}
/** 调试输出日志 ***/
public static void debug(Object message) {
FileOutputStream writer = null;
try {
// 获取文件路径
String path = getRun() + "/logs/debug.txt";
// 如果文件不存在,则创建对应文件
File file = new File(path);
if (!file.exists()) {
new File(file.getParent()).mkdir();
file.createNewFile();
}
// 写入的数据
String data = new SimpleDateFormat("yyyy年MM月dd日 EEEE HH:mm:ss")
.format(new Date(System.currentTimeMillis())) + "\n" + message.toString() + "\n\n\n";
// 创建写入流(追加文末写入)
writer = new FileOutputStream(path, true);
writer.write(data.getBytes());
writer.flush();
writer.close();
writer = null;
} catch (IOException e) {
System.out.println(Config.server_name + "错误:Logger.debug() throw exception!");
e.printStackTrace();
}
}
/** 错误输出日志 ***/
public static void info(Object message) {
FileOutputStream writer = null;
try {
// 获取文件路径
String path = getRun() + "/logs/info.txt";
// 如果文件不存在,则创建对应文件
File file = new File(path);
if (!file.exists()) {
new File(file.getParent()).mkdir();
file.createNewFile();
}
// 写入的数据
String data = new SimpleDateFormat("yyyy年MM月dd日 EEEE HH:mm:ss")
.format(new Date(System.currentTimeMillis())) + "\n" + message.toString() + "\n\n\n";
// 创建写入流(追加文末写入)
writer = new FileOutputStream(path, true);
writer.write(data.getBytes());
writer.flush();
writer.close();
writer = null;
} catch (IOException e) {
System.out.println(Config.server_name + "错误:Logger.info() throw exception!");
e.printStackTrace();
}
}
/** servlet日志 ***/
public static void servlet(Object message) {
FileOutputStream writer = null;
try {
// 获取文件路径
String path = getRun() + "/logs/servlet.txt";
// 如果文件不存在,则创建对应文件
File file = new File(path);
if (!file.exists()) {
new File(file.getParent()).mkdir();
file.createNewFile();
}
// 写入的数据
String data = new SimpleDateFormat("yyyy年MM月dd日 EEEE HH:mm:ss")
.format(new Date(System.currentTimeMillis()))
+ "\n==================================================================================\n"
+ message.toString()
+ "\n==================================================================================\n\n\n";
// 创建写入流(追加文末写入)
writer = new FileOutputStream(path, true);
writer.write(data.getBytes());
writer.flush();
writer.close();
writer = null;
} catch (IOException e) {
System.out.println(Config.server_name + "错误:Logger.servlet() throw exception!");
e.printStackTrace();
}
}
}HttpUtils
public class HttpUtils {
public static void write(HttpServletResponse response, Object o) {
try {
response.setHeader("Access-Control-Allow-Origin", "*");
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
out.println(o.toString());
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void write(HttpServletResponse response, String o) {
try {
response.setHeader("Access-Control-Allow-Origin", "*");
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
out.println(o);
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void writeJson(HttpServletResponse respone, String result) {
try {
respone.setHeader("Access-Control-Allow-Origin", "*");
respone.setCharacterEncoding("utf-8");
respone.setContentType("application/json;charset=utf-8");
PrintWriter out = respone.getWriter();
out.print(result);
out.flush();
out.close();
} catch (Exception e) {
// //System.out.println("Comm_Util_writeJson---->" + e);
e.printStackTrace();
}
}
}
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