初始化

.svn/pristine/64/649559a0c05af8a170299eb54fd2c40f35448f25.svn-base

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+package com.ifish.util;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Random;
+
+public class IfishUtil {
+
+	private static final String formatDate1 ="yyyy-MM-dd";
+	private static final String formatDate2 ="yyyy-MM-dd HH:mm:ss";
+	
+	/**
+	 * 格式化日期yyyy-MM-dd HH:mm:ss
+	 * @param date
+	 * @return
+	 */
+	public static String format2(Date date){
+		SimpleDateFormat format = new SimpleDateFormat(formatDate2);
+		return format.format(date);
+	}
+	
+	/**
+	 * 格式化日期yyyy-MM-dd
+	 * @param date
+	 * @return
+	 */
+	public static String format1(Date date){
+		SimpleDateFormat format = new SimpleDateFormat(formatDate1);
+		return format.format(date);
+	}
+	
+	/**
+	 * 随机生成字母与数字组合
+	 * @param length
+	 * @return
+	 */
+	public static String getCharAndNumr(int length) {
+		String val = "";
+		Random random = new Random();
+		for (int i = 0; i < length; i++) {
+			// 输出字母还是数字
+			String charOrNum = random.nextInt(2) % 2 == 0 ? "char" : "num"; 
+			// 字符串
+			if ("char".equalsIgnoreCase(charOrNum)) {
+				// 取得大写字母还是小写字母
+				int choice = random.nextInt(2) % 2 == 0 ? 65 : 97; 
+				val += (char) (choice + random.nextInt(26));
+				// 数字
+			} else if ("num".equalsIgnoreCase(charOrNum)) { 
+				val += String.valueOf(random.nextInt(10));
+			}
+		}
+		return val;
+	}
+	
+}

.svn/pristine/64/64db1171fd4230a9eb95f09afa013aca0ed2ffaf.svn-base

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+package com.ifish.netease;
+
+import java.security.MessageDigest;
+
+/**
+ * SHA1(AppSecret + Nonce + CurTime),三个参数拼接的字符串，进行SHA1哈希计算，转化成16进制字符(String，小写)
+ * @author Administrator
+ *
+ */
+public class CheckSumBuilder {
+	
+	// 计算并获取CheckSum
+	public static String getCheckSum(String appSecret, String nonce, String curTime) {
+		return encode("sha1", appSecret + nonce + curTime);
+	}
+
+	// 计算并获取md5值
+	public static String getMD5(String requestBody) {
+		return encode("md5", requestBody);
+	}
+
+	private static String encode(String algorithm, String value) {
+		if (value == null) {
+			return null;
+		}
+		try {
+			MessageDigest messageDigest
+			= MessageDigest.getInstance(algorithm);
+			messageDigest.update(value.getBytes());
+			return getFormattedText(messageDigest.digest());
+		} catch (Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	private static String getFormattedText(byte[] bytes) {
+		int len = bytes.length;
+		StringBuilder buf = new StringBuilder(len * 2);
+		for (int j = 0; j < len; j++) {
+			buf.append(HEX_DIGITS[(bytes[j] >> 4) & 0x0f]);
+			buf.append(HEX_DIGITS[bytes[j] & 0x0f]);
+		}
+		return buf.toString();
+	}
+	
+	private static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+	
+}